SAKAMOTO Takashi

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Name
SAKAMOTO Takashi
Affiliation
Tokyo University of Marine Science and Technology
Degree
(BLANK)(Tokyo University of Fisheries)

Research Areas

 
 

Academic & Professional Experience

 
1995
 - 
1997
Research Fellow of Japan Society for Promotion Science
 
1997
 - 
1999
Postdoctral Research Fellow, University of Guelph, Carada
 
1999
   
 
- Tokyo University of Fisheries, Assistant Professor
 

Education

 
 
 - 
1996
Graduate School, Division of Fisheries, Tokyo University of Fisheries
 
 
 - 
1991
Faculty of Fisheries, Tokyo University of Fisheries
 

Published Papers

 
A SNP in a Steroidogenic Enzyme Is Associated with Phenotypic Sex in Seriola Fishes
Takashi Koyama, Masatoshi Nakamoto, Kagayaki Morishima, Ryohei Yamashita,Takefumi Yamashita, Kohei Sasaki, Yosuke Kuruma, Naoki Mizuno, Moe Suzuki, Yoshiharu Okada, Risa Ieda, Tsubasa Uchino, Satoshi Tasumi, Sho Hosoya, Seiichi Uno, Jiro Koyama, Atsushi Toyoda, Kiyoshi Kikuchi, Takashi Sakamoto
CURRENT BIOLOGY   29(11) 1901-1909   Jun 2019   [Refereed]
Shingo Akita, Shingo Akita, Keiichiro Koiwai, Takeaki Hanyuda, Syou Kato, Reiko Nozaki, Tsubasa Uchino, Takashi Sakamoto, Hidehiro Kondo, Ikuo Hirono, Daisuke Fujita
Journal of Applied Phycology   30 2111-2115   Jun 2018   [Refereed]
© 2018, Springer Science+Business Media B.V., part of Springer Nature. Polymorphic simple sequence repeat (SSR) markers of Ecklonia radicosa were developed using Illumina MiSeq next-generation sequencing (NGS) analysis. In total, 3112 SSRs (di- to...
Tsubasa Uchino, Erina Hosoda, Yoji Nakamura, Motoshige Yasuike, Miyuki Mekuchi, Masashi Sekino, Atushi Fujiwara, Takuma Sugaya, Yosuke Tanaka, Kazunori Kumon, Yasuo Agawa, Yoshifumi Sawada, Motohiko Sano, Takashi Sakamoto
Aquaculture Research   49 1293-1301   Mar 2018   [Refereed]
© 2017 John Wiley & Sons Ltd Pacific bluefin tuna (Thunnus orientalis) has high market value, but its wild populations have decreased in recent years. The broodstock of Pacific bluefin tuna that were hatched artificially and reared under aquacul...
Xuanchen Zhang, Masato Endo, Takashi Sakamoto, Reiko Fuseya, Goro Yoshizaki, Toshio Takeuchi
Aquaculture   484 191-196   Feb 2018   [Refereed]
© 2017 The Closed Ecological Recirculating Aquaculture System (CERAS) simulates the food chain of hydrosphere and also includes materials cyclical type of food production systems. In the present study, the nourishment salt form kuruma shrimp aquac...
Ryusuke Sudo, Moeri Miyao, Tsubasa Uchino, Yoshiaki Yamada, Katsumi Tsukamoto, Takashi Sakamoto
Aquaculture   484 317-321   Feb 2018   [Refereed]
© 2017 Elsevier B.V. Anguillid eels are a high value species for aquaculture in East Asian countries, but natural stocks of eels have been decreasing. Mass production of glass eels is one of the most effective ways to solve this problem. Genetic i...
Masatoshi Nakamoto, Masatoshi Nakamoto, Yasushi Shibata, Kaoru Ohno, Takeshi Usami, Yasuhiro Kamei, Yoshihito Taniguchi, Takeshi Todo, Takashi Sakamoto, Graham Young, Graham Young, Penny Swanson, Penny Swanson, Kiyoshi Naruse, Yoshitaka Nagahama
Molecular and Cellular Endocrinology   460 104-122   Jan 2018   [Refereed]
© 2017 Elsevier B.V. Although estrogens have been generally considered to play a critical role in ovarian differentiation in non-mammalian vertebrates, the specific functions of estrogens during ovarian differentiation remain unclear. We isolated ...
Satoshi Kubota, Amphai Longloy, Arkom Singhabun, Wanpen Khammee, Kanonkporn Kessuwan, Kanonkporn Kessuwan, Paiboon Bunlipatanon, Akiyuki Ozaki, Kom Silapajarn, Varin Tanasomwang, Nobuaki Okamoto, Takashi Sakamoto
Aquaculture Research   48 5913-5927   Dec 2017   [Refereed]
© 2017 John Wiley & Sons Ltd Growth-related traits are the main target of genetic breeding programmes in grouper aquaculture. We constructed genetic linkage maps for tiger grouper (Epinephelus fuscoguttatus) and giant grouper (E. lanceolatus) us...
Masatoshi Nakamoto, Yusuke Takeuchi, Kazuki Akita, Ryo Kumagai, Junpei Suzuki, Takashi Koyama, Tsutomu Noda, Kazunori Yoshida, Akiyuki Ozaki, Kazuo Araki, Takashi Sakamoto
Developmental and Comparative Immunology   76 361-369   Nov 2017   [Refereed]
© 2017 Elsevier Ltd Little is known about mechanisms of resistance to parasitic diseases in marine finfish. Benedenia disease is caused by infection by the monogenean parasite Benedenia seriolae. Previous quantitative trait locus (QTL) analyses ha...
Kyosuke Niwa, Atsushi Kobiyama, Reiko Fuseya, Takashi Sakamoto
Journal of Applied Phycology   29 1483   Jun 2017   [Refereed]
© 2017, Springer Science+Business Media Dordrecht. The original version of this article unfortunately contained a mistake. Table 2 was incorrect. The correct Table 2 is now given below: (Table presented).
A. Nanjo, T. Shibata, M. Saito, K. Yoshii, M. Tanaka, T. Nakanishi, H. Fukuda, T. Sakamoto, G. Kato, M. Sano
Journal of Fish Diseases   40 157-168   Feb 2017   [Refereed]
© 2016 John Wiley & Sons Ltd Herpesviral haematopoietic necrosis (HVHN), caused by cyprinid herpesvirus-2 (CyHV-2), has affected the commercial production of the goldfish Carassius auratus and gibelio carp Carassius auratus gibelio. High water t...
Kyosuke Niwa, Atsushi Kobiyama, Reiko Fuseya, Takashi Sakamoto
Journal of Applied Phycology   1-10   Jan 2017   [Refereed]
© 2017 Springer Science+Business Media Dordrecht To clarify the significance of genetic resources in the marine crop Undaria pinnatifida, we investigated whether morphological features of two cultivars were genetically different from each other ba...
Changwei Shao, Changwei Shao, Baolong Bao, Zhiyuan Xie, Xinye Chen, Bo Li, Xiaodong Jia, Xiaodong Jia, Qiulin Yao, Guillermo Ortí, Wenhui Li, Xihong Li, Xihong Li, Kristin Hamre, Kristin Hamre, Juan Xu, Lei Wang, Lei Wang, Fangyuan Chen, Yongsheng Tian, Yongsheng Tian, Alex M. Schreiber, Na Wang, Na Wang, Fen Wei, Jilin Zhang, Zhongdian Dong, Zhongdian Dong, Lei Gao, Junwei Gai, Takashi Sakamoto, Sudong Mo, Sudong Mo, Wenjun Chen, Qiong Shi, Hui Li, Yunji Xiu, Yunji Xiu, Yangzhen Li, Yangzhen Li, Wenteng Xu, Wenteng Xu, Zhiyi Shi, Guojie Zhang, Deborah M. Power, Deborah M. Power, Qingyin Wang, Qingyin Wang, Manfred Schartl, Manfred Schartl, Manfred Schartl, Songlin Chen, Songlin Chen
Nature Genetics   49 119-124   Jan 2017   [Refereed]
© 2017 Nature America, Inc., part of Springer Nature. All rights reserved. Flatfish have the most extreme asymmetric body morphology of vertebrates. During metamorphosis, one eye migrates to the contralateral side of the skull, and this migration ...
Kanonkporn Kessuwan, Kanonkporn Kessuwan, Satoshi Kubota, Qi Liu, Qi Liu, Motohiko Sano, Motohiko Sano, Nobuaki Okamoto, Takashi Sakamoto, Hirofumi Yamashita, Yoji Nakamura, Akiyuki Ozaki
Marine Biotechnology   18 57-84   Feb 2016   [Refereed]
© 2015, The Author(s). To initiate breeding programs for kelp grouper (Epinephelus bruneus), the establishment of genetic linkage maps becomes essential accompanied by the search for quantitative trait loci that may be utilized in selection progra...
Tomoyuki Okutsu, Shinya Shikina, Takashi Sakamoto, Mamiko Mochizuki, Goro Yoshizaki
Aquaculture   446 298-302   Sep 2015   [Refereed]
© 2015 Elsevier B.V. Mono-sex culture provides economic advantages in aquaculture. In particular, YY supermales, which produce all-male progeny, are desirable in many fish species whose males have more economically desirable characteristics than f...
X. Q. Wang, D. Zeng, X. Ma, X. Ma, G. Xiong, Z. Y. Wang, Z. Y. Wang, T. Sakamoto
Genetics and Molecular Research   14 9437-9440   Aug 2015   [Refereed]
© FUNPEC-RP. The large yellow croaker (Larimichthys crocea) is one of the largest marine net-cage cultured species in the oceans around China. In the present study, we isolated and characterized 13 polymorphic microsatellite markers from genomic l...
Takashi Koyama, Akiyuki Ozaki, Kazunori Yoshida, Junpei Suzuki, Kanako Fuji, Jun ya Aoki, Wataru Kai, Yumi Kawabata, Tatsuo Tsuzaki, Kazuo Araki, Takashi Sakamoto
Marine Biotechnology   17 502-510   Aug 2015   [Refereed]
© 2015, Springer Science+Business Media New York. Unlike the conservation of sex-determining (SD) modes seen in most mammals and birds, teleost fishes exhibit a wide variety of SD systems and genes. Hence, the study of SD genes and sex chromosome ...
Jun Ya Aoki, Wataru Kai, Yumi Kawabata, Akiyuki Ozaki, Kazunori Yoshida, Takashi Koyama, Takashi Sakamoto, Kazuo Araki
BMC Genomics   16    May 2015   [Refereed]
© 2015 Aoki et al.; licensee BioMed Central. Background: Physical and linkage maps are important aids for the assembly of genome sequences, comparative analyses of synteny, and to search for candidate genes by quantitative trait locus analysis. Ye...
Tomoya Shibata, Azusa Nanjo, Masato Saito, Keisuke Yoshii, Takafumi Ito, Teruyuki Nakanishi, Takashi Sakamoto, Motohiko Sano
Diseases of Aquatic Organisms   115 223-232   Jan 2015   [Refereed]
© 2015 Inter-Research. Herpesviral hematopoietic necrosis caused by goldfish hematopoietic necrosis virus (now identified as cyprinid herpesvirus 2, CyHV-2) has contributed to economic losses in goldfish Carassius auratus culture and is becoming a...
Changwei Shao, Changwei Shao, Changwei Shao, Yongchao Niu, Pasi Rastas, Yang Liu, Yang Liu, Zhiyuan Xie, Hengde Li, Lei Wang, Lei Wang, Yong Jiang, Shuaishuai Tai, Yongsheng Tian, Yongsheng Tian, Takashi Sakamoto, Songlin Chen, Songlin Chen
DNA Research   22 161-170   Jan 2015   [Refereed]
© The Author 2015. Published by Oxford University Press on behalf of Kazusa DNA Research Institute. High-resolution genetic maps are essential for fine mapping of complex traits, genome assembly, and comparative genomic analysis. Single-nucleotide...
Kanako Fuji, Takashi Koyama, Wataru Kai, Satoshi Kubota, Kazunori Yoshida, Akiyuki Ozaki, Jun Ya Aoki, Yumi Kawabata, Kazuo Araki, Tatsuo Tsuzaki, Nobuaki Okamoto, Takashi Sakamoto
BMC Research Notes   7    Mar 2014   [Refereed]
Background: Japanese amberjack/yellowtail (Seriola quinqueradiata) is a commonly cultured marine fish in Japan. For cost effective fish production, a breeding program that increases commercially important traits is one of the major solutions. In s...
Jun ya Aoki, Wataru Kai, Yumi Kawabata, Akiyuki Ozaki, Kazunori Yoshida, Tatsuo Tsuzaki, Kanako Fuji, Takashi Koyama, Takashi Sakamoto, Kazuo Araki
BMC Genomics   15    Feb 2014   [Refereed]
Background: Yellowtail (Seriola quinqueradiata) are an economically important species in Japan. However, there are currently no methods for captive breeding and early rearing for yellowtail. Thus, the commercial cultivation of this species is reli...
Qi Liu, Takashi Sakamoto, Satoshi Kubota, Nobuaki Okamoto, Hirofumi Yamashita, Motohiro Takagi, Yuya Shigenobu, Takuma Sugaya, Yoji Nakamura, Motohiko Sano, Motohiko Sano, Suwit Wuthisuthimethavee, Akiyuki Ozaki
Aquaculture   414-415 63-81   Nov 2013   [Refereed]
Kelp grouper (Epinephelus bruneus) is an important aquaculture species in Japan, Korea and China. Mariculture production of the species has increased due to its high demand and market price. However, some problems affect kelp grouper aquaculture s...
Akiyuki Ozaki, Kazunori Yoshida, Kanako Fuji, Satoshi Kubota, Wataru Kai, Jun ya Aoki, Yumi Kawabata, Junpei Suzuki, Kazuki Akita, Takashi Koyama, Masahiro Nakagawa, Takurou Hotta, Tatsuo Tsuzaki, Nobuaki Okamoto, Kazuo Araki, Takashi Sakamoto
PLoS ONE   8    Jun 2013   [Refereed]
Benedenia infections caused by the monogenean fluke ectoparasite Benedenia seriolae seriously impact marine finfish aquaculture. Genetic variation has been inferred to play a significant role in determining the susceptibility to this parasitic dis...
Adam Ahanchédé, José E.F. Alfaya, L. W. Andersen, Didier Azam, Ma Anita M. Bautista, Anne Laure Besnard, Gregorio Bigatti, Anthony Bouétard, Marie Agnès Coutellec, Eben Ezer B.K. Ewédjè, Eben Ezer B.K. Ewédjè, Reiko Fuseya, Ricardo García-Jiménez, M. Haratian, Olivier J. Hardy, L. E. Holm, Casey W. Hoy, Eriko Koshimizu, V. Loeschcke, Violeta López-Márquez, Carlos A. Machado, Annie Machordom, C. Marchi, Andrew P. Michel, Claire Micheneau, Claire Micheneau, Omprakash Mittapalli, Takahiro Nagai, Nobuaki Okamoto, Ying Pan, F. Panitz, N. Safaie, Takashi Sakamoto, B. Sharifnabi, En Wei Tian, En Wei Tian, Hui Yu
Molecular Ecology Resources   13 158-159   Jan 2013   [Refereed]
This article documents the addition of 83 microsatellite marker loci and 96 pairs of single-nucleotide polymorphism (SNP) sequencing primers to the Molecular Ecology Resources Database. Loci were developed for the following species: Bembidion lamp...
Ricardo S. Hattori, Yu Murai, Miho Oura, Shuji Masuda, Sullip K. Majhi, Takashi Sakamoto, Juan I. Fernandino, Gustavo M. Somoza, Masashi Yokota, Carlos A. Strus̈smann
Proceedings of the National Academy of Sciences of the United States of America   109 2955-2959   Feb 2012   [Refereed]
Gonadal sex determination in vertebrates generally follows a sequence of genetically programmed events. In what is seemingly becoming a pattern, all confirmed or current candidate "master"sex-determining genes reported in this group, e.g., SRY in ...
Akiyuki Ozaki, Wataru Kai, Junya Aoki, Kazuharu Nomura, Kazuo Araki, Kazunori Yoshida, Tatsuo Tsuzaki, Takuma Sugaya, Motohiko Sano, Kanako(kobayashi) Fuji, Takashi Sakamoto, Nobuaki Okamoto
Nippon Suisan Gakkaishi (Japanese Edition)   78 273   Jan 2012   [Refereed]
Kazuo Araki, Jyunya Aoki, Wataru Kai, Akiyuki Ozaki, Kazunori Yoshida, Tatsuo Tsuzaki, Takashi Sakamoto
Nippon Suisan Gakkaishi (Japanese Edition)   78 270   Jan 2012   [Refereed]
Takashi Sakamoto, Kanako(kobayashi) Fuji, Osamu Hasegawa, Kiyohiro Kumasaka, Hiroshi Murakami, Takahiro Nagai, Osamu Kawaguchi, Yoshisuke Iida
Nippon Suisan Gakkaishi (Japanese Edition)   78 268   Jan 2012   [Refereed]
Seong Don Hwang, Kanako Fuji, Tomokazu Takano, Takashi Sakamoto, Hidehiro Kondo, Ikuo Hirono, Takashi Aoki
Marine Biotechnology   13 1086-1091   Dec 2011   [Refereed]
Toll-like receptors (TLRs) are responsible for the recognition of specific pathogen-associated molecular patterns and consequently activate signal pathways leading to inflammatory and interferon responses. The region surrounding several TLRs was p...
F. Keith Barker, F. Keith Barker, F. Keith Barker, James J. Bell, Steven M. Bogdanowicz, S. L. Bonatto, Frank Cezilly, Sarah M. Collins, Christine Dubreuil, Matthew J. Dufort, Cyril Eraud, Reiko Fuseya, E. A. Heap, E. A. Heap, N. Jacobsen, M. Madders, R. Mcewing, Andrew P. Michel, F. Mougeot, F. Mougeot, R. S. Ogden, Lucia C. Orantes, A. S. Othman, Éric Parent, P. Pulido-Santacruz, Rachel Rioux-Paré, M. F. Roberts, R. Rosazlina, Takashi Sakamoto, Pelayo Salinas De-León, Jean Marie Sévigny, Philippe St-Onge, J. Terraube, J. Terraube, R. E. Tingay, Réjean Tremblay, Seiichi Watanabe, Rémi A. Wattier
Molecular Ecology Resources   11 1124-1126   Nov 2011   [Refereed]
This article documents the addition of 112 microsatellite marker loci and 24 pairs of single nucleotide polymorphism (SNP) sequencing primers to the Molecular Ecology Resources Database. Loci were developed for the following species: Agelaius phoe...
James J. Nagler, James J. Nagler, Tim Cavileer, Tim Cavileer, Sam Hunter, Sam Hunter, Robert Drew, Tomoyuki Okutsu, Takashi Sakamoto, Goro Yoshizaki
Molecular Reproduction and Development   78 181-187   Mar 2011   [Refereed]
The purposes of this study were to quantify the secondary proliferation of primordial germ cells (PGCs) in both sexes of rainbow trout, determine if a sex difference in the timing of PGC proliferation and eventual pre-meiotic number exists, and us...
Kyosuke Niwa, Takashi Sakamoto
Journal of Phycology   46 1097-1105   Dec 2010   [Refereed]
To confirm whether allopolyploidy occurs in samples of previously identified Porphyra yezoensis Ueda, P. tenera Kjellm., and P. yezoensis × P. tenera from natural and cultivated populations, we examined these samples by using PCR-RFLP and microsat...
Cecilia Castaño-Sánchez, Kanako Fuji, Akiyuki Ozaki, Akiyuki Ozaki, Osamu Hasegawa, Takashi Sakamoto, Kagayaki Morishima, Ichiro Nakayama, Atsushi Fujiwara, Tetsuji Masaoka, Hiroyuki Okamoto, Kengo Hayashida, Michihira Tagami, Jun Kawai, Yoshihide Hayashizaki, Nobuaki Okamoto
BMC Genomics   11    Oct 2010   [Refereed]
Background: Japanese flounder (Paralichthys olivaceus) is one of the most economically important marine species in Northeast Asia. Information on genetic markers associated with quantitative trait loci (QTL) can be used in breeding programs to ide...
Kanako Fuji, Kazunori Yoshida, Keita Hattori, Akiyuki Ozaki, Kazuo Araki, Masanori Okauchi, Satoshi Kubota, Nobuaki Okamoto, Takashi Sakamoto
Aquaculture   308    Sep 2010   [Refereed]
The sex-determining system of yellowtail (Japanese amberjack), Seriola quinqueradiata, is not known. In this study, we identified the sex-linked locus in yellowtail and we characterized the sex-determining system by genetic linkage analysis conduc...
Akiyuki Ozaki, Hiroyuki Okamoto, Toshiyuki Yamada, Tomomasa Matuyama, Takamitsu Sakai, Kanako Fuji, Takashi Sakamoto, Nobuaki Okamoto, Kazunori Yoshida, Keita Hatori, Kazuo Araki, Kazuo Araki, Masanori Okauchi
Aquaculture   308    Sep 2010   [Refereed]
Streptococcal disease (streptococcosis) caused by Streptococcus iniae is a serious bacterial disease in Japanese flounder (Paralichthys olivaceus). Developing streptococcosis-resistant Japanese flounder will reduce the number of outbreaks of this ...
Kyosuke Niwa, Atsushi Kobiyama, Takashi Sakamoto
Journal of Phycology   46 693-702   Aug 2010   [Refereed]
We performed interspecific hybridization in the haploid blade-forming marine species (nori) of the genus Porphyra, which have a heteromorphic life cycle with a haploid gametophytic blade and a diploid microscopic sporophyte called the "conchocelis...
Takashi Koyama, Shuichi Asakawa, Takayuki Katagiri, Atsushi Shimizu, Fernand F. Fagutao, Rapeepat Mavichak, Mudjekeewis D. Santos, Kanako Fuji, Takashi Sakamoto, Toshihide Kitakado, Hidehiro Kondo, Nobuyoshi Shimizu, Takashi Aoki, Ikuo Hirono
BMC Genomics   11    Feb 2010   [Refereed]
Background: Higher crustaceans (class Malacostraca) represent the most species-rich and morphologically diverse group of non-insect arthropods and many of its members are commercially important. Although the crustacean DNA sequence information is ...
Eriko Koshimizu, Carlos Augusto Strüssmann, Nobuaki Okamoto, Hideo Fukuda, Takashi Sakamoto
Marine Biotechnology   12 8-13   Feb 2010   [Refereed]
The process of sex differentiation in fishes is regulated by genetic and environmental factors. The sex of Patagonian pejerrey (Odontesthes hatcheri) appears to be under strong genotypic control (GSD) because the sex ratios are balanced (1:1) betw...
R. S. Hattori, M. Oura, T. Sakamoto, M. Yokota, S. Watanabe, C. A. Strüssmann
Animal Genetics   41 81-84   Feb 2010   [Refereed]
The Patagonian pejerrey Odontesthes hatcheri is an atherinopsid species presenting genotypic sex determination (GSD) at intermediate temperatures and temperature-dependent sex determination at the low and high ranges of thermal tolerance. A recent...
Glenn R. Almany, Maurício P. De Arruda, Wolfgang Arthofer, Z. K. Atallah, Steven R. Beissinger, Michael L. Berumen, Michael L. Berumen, S. M. Bogdanowicz, S. D. Brown, Michael W. Bruford, C. Burdine, Jeremiah W. Busch, Nathan R. Campbell, D. Carey, Bryan C. Carstens, K. H. Chu, Marc A. Cubeta, J. P. Cuda, Zhaoxia Cui, L. E. Datnoff, J. A. DÁvila, Emily S. Davis, R. M. Davis, Onno E. Diekmann, Eduardo Eizirik, Eduardo Eizirik, J. A. Fargallo, Fabiano Fernandes, Hideo Fukuda, L. R. Gale, Elizabeth Gallagher, Yongqiang Gao, Philippe Girard, Anna Godhe, Evonnildo C. GonÇalves, Licinia Gouveia, Amber M. Grajczyk, M. J. Grose, Zhifeng Gu, Christer HalldÉn, Karolina HÄrnstrÖm, Amanda H. Hemmingsen, Gerald Holmes, C. H. Huang, Chuan Chin Huang, S. P. Hudman, Geoffrey P. Jones, Geoffrey P. Jones, Loukas Kanetis, Iddya Karunasagar, Indrani Karunasagar, Nusha Keyghobadi, S. J. Klosterman, Page E. Klug, J. Koch, Margaret M. Koopman, Kirsten KÖppler, Eriko Koshimizu, Susanne KrumbÖck, T. Kubisiak, J. B. Landis, J. B. Landis, Mario L. Lasta, Chow Yang Lee, Qianqian Li, Qianqian Li, Shou Hsien Li, Rong Chien Lin, M. Liu, Na Liu, W. C. Liu, Yuan Liu, Yuan Liu, A. Loiseau, Weisha Luan, Weisha Luan, K. K. Maruthachalam, Helen M. McCormick, Rohan Mellick, Rohan Mellick, P. J. Monnahan, Eliana Morielle-Versute, Tomás E. Murray, Tomás E. Murray, Shawn R. Narum, Katie Neufeld, P. J.G. De Nova, Peter S. Ojiambo, Nobuaki Okamoto, Ahmad Sofiman Othman, W. A. Overholt, Renata Pardini, Ian G. Paterson, Olivia A. Patty, Robert J. Paxton, Serge Planes, Carolyn Porter, Morgan S. Pratchett, Thomas PÜttker, Gordana Rasic
Molecular Ecology Resources   9 1460-1466   Nov 2009   [Refereed]
This article documents the addition of 512 microsatellite marker loci and nine pairs of Single Nucleotide Polymorphism (SNP) sequencing primers to the Molecular Ecology Resources Database. Loci were developed for the following species: Alcippe mor...
Hirotoshi Shishidou, Shuichi Kitada, Takashi Sakamoto, Katsuyuki Hamasaki
Nippon Suisan Gakkaishi (Japanese Edition)   74 183-188   Mar 2008   [Refereed]
Genetic variability of natural and hatchery-released red sea bream in Kagoshima Bay and its vicinity was evaluated using three microsatellite DNA markers. Hardy-Weinberg equilibrium was found at all loci for each sample and even for all natural fi...
Kanako Fuji, Osamu Hasegawa, Kazumitsu Honda, Kiyohiro Kumasaka, Takashi Sakamoto, Nobuaki Okamoto
Aquaculture   272 291-295   Nov 2007   [Refereed]
An allele of a microsatellite, Poli9-8TUF, has a dominant effect at a single major locus and is responsible for resistance to lymphocystis disease (LD-R) in Japanese flounder. We developed a new population of Japanese flounder produced by marker-a...
Akiyuki Ozaki, Akiyuki Ozaki, Sok Kean Khoo, Sok Kean Khoo, Yasutoshi Yoshiura, Mitsuru Ototake, Takashi Sakamoto, Johannes Martinus Dijkstra, Johannes Martinus Dijkstra, Nobuaki Okamoto
Fish Pathology   42 131-140   Sep 2007   [Refereed]
Previous typing of microsatellite markers in a BC1F1 backcross rainbow trout Oncorhynchus mykiss revealed two quantitative trait loci (QTL) with a significant impact on susceptibility to infectious pancreatic necrosis. In the present study, additi...
C. Castaño-Sanchez, K. Fuji, K. Hayashida, M. Tagami, A. Ozaki, O. Hasegawa, T. Sakamoto, J. Kawai, Y. Hayashizaki, N. Okamoto, N. Okamoto
Animal Genetics   38 75-76   Feb 2007   [Refereed]
We have developed the first set of trinucleotide and tetranucleotide markers for the Japanese flounder, Paralichthys olivaceus. One hundred and sixty-seven polymorphic trinucleotide and tetranucleotide microsatellites were isolated using clones de...
Takahiro Nagai, Takashi Sakamoto
Fish Pathology   41 99-104   Sep 2006   [Refereed]
Three stocks of ayu Plecoglossus altivelis, viz. an amphidromous stock, domesticated stock and hybridized stock between amphidromous and domesticated stocks, were challenged by intraperitoneal injection and by field spontaneous infection with Flav...
C. Castaño Sanchez, K. Fuji, K. Kobayashi, O. Hasegawa, E. Ohara, A. Ozaki, M. R M Coimbra, T. Sakamoto, N. Okamoto
Molecular Ecology Notes   6 456-458   Jun 2006   [Refereed]
The isolation and characterization of eight polymorphic microsatellite loci from a Japanese flounder partial genomic library are reported. The eight markers isolated in this study were highly polymorphic and their positions on the linkage genome m...
Emi Yokoyama, Takashi Sakamoto, Takuma Sugaya, Shuichi Kitada
Molecular Ecology Notes   6 323-324   Jun 2006   [Refereed]
Six polymorphic microsatellite loci were isolated for genetic structure studies of the Japanese Spanish mackerel, Scomberomorus niphonius, a severely exploited marine fish species. The number of observed alleles for each locus ranged from seven to...
Kanako Fuji, Kazunobu Kobayashi, Osamu Hasegawa, Maria Raquel Moura Coimbra, Takashi Sakamoto, Nobuaki Okamoto
Aquaculture   254 203-210   Apr 2006   [Refereed]
Japanese flounder (Paralichthys olivaceus) is an economically important fish as a food, and has been widely cultured in Asian countries such as Japan, Korea and China. We chose to study lymphocystis disease (LD) because it has become widely spread...
Karim Gharbi, Karim Gharbi, Karim Gharbi, Angélique Gautier, Angélique Gautier, Roy G. Danzmann, Sonia Gharbi, Takashi Sakamoto, Bjørn Høyheim, John B. Taggart, Margaret Cairney, Richard Powell, Francine Krieg, Nobuaki Okamoto, Moira M. Ferguson, Lars Erik Holm, René Guyomard
Genetics   172 2405-2419   Apr 2006   [Refereed]
We report on the construction of a linkage map for brown trout (Salmo trutta) and its comparison with those of other tetraploid-derivative fish in the family Salmonidae, including Atlantic salmon (Salmo salar), rainbow trout (Oncorhynchus mykiss),...
Akimasa Hatanaka, Sho Ichi Yamada, Takashi Sakamoto, Toru Mitsuboshi
Journal of the World Aquaculture Society   37 139-143   Mar 2006   [Refereed]
Motoyuki Hara, Takashi Sakamoto, Masashi Sekino, Kenichi Ohara, Hironori Matsuda, Masahiro Kobayashi, Nobuhiko Taniguchi
Fisheries Science   72 208-210   Feb 2006   [Refereed]
Koji Inoue, Takashi Sakamoto, Shinya Yuge, Hozi Iwatani, Sayaka Yamagami, Makiko Tsutsumi, Hiroshi Hori, Maria Carmela Cerra, Bruno Tota, Norio Suzuki, Nobuaki Okamoto, Yoshio Takei
Molecular Biology and Evolution   22 2428-2434   Dec 2005   [Refereed]
Natriuretic peptides (NPs) are a group of hormones playing important roles in cardiovascular and osmoregulatory systems in vertebrates. Among the NP subtypes, atrial NP (ANP), B-type NP (BNP), and ventricular NP (VNP) are circulating hormones expr...
Roy G. Danzmann, Margaret Cairney, William S. Davidson, Moira M. Ferguson, Karim Gharbi, Rene Guyomard, Lars Erik Holm, Erica Leder, Erica Leder, Nobuaki Okamoto, Akiyuki Ozaki, Akiyuki Ozaki, Caird E. Rexroad, Takashi Sakamoto, John B. Taggart, Rachael A. Woram
Genome   48 1037-1051   Dec 2005   [Refereed]
We updated the genetic map of rainbow trout (Oncorhynchus mykiss) for 2 outcrossed mapping panels, and used this map to assess the putative chromosome structure and recombination rate differences among linkage groups. We then used the rainbow trou...
G. M.L. Perry, M. M. Ferguson, T. Sakamoto, R. G. Danzmann
Journal of Heredity   96 97-107   Mar 2005   [Refereed]
We hypothesized that correlation between growth traits and upper thermal tolerance (UTT) in rainbow trout (Oncorhynchus mykiss) might be explained by quantitative trait loci (QTL) localized to the same linkage groups. Microsatellites on three auto...
Eriko Ohara, Takuya Nishimura, Yoshitomo Nagakura, Takashi Sakamoto, Keiichi Mushiake, Nobuaki Okamoto
Aquaculture   244 41-48   Feb 2005   [Refereed]
The yellowtails Seriola quinqueradiata and Seriola lalandi are the most important species in marine fishery resources and aquaculture in Japan. A genetic linkage map is needed to improve efficiency of breeding by marker-assisted selection (MAS) an...
Kean Khoo Sok, Kean Khoo Sok, Akiyuki Ozaki, Akiyuki Ozaki, Fusayuki Nakamura, Tetsuya Arakawa, Shinichi Ishimoto, Radoslav Nickolov, Takashi Sakamoto, Tetsuya Akutsu, Mamiko Mochizuki, Ikuo Denda, Nobuaki Okamoto
Fish Pathology   39 95-101   Jun 2004   [Refereed]
Infectious hematopoietic necrosis (IHN) is an acute, systemic, rhabdoviral disease of salmonid species. To date, the effective approach in preventing or treating this epizootic disease is unknown. In this study, a genetic cross was established to ...
Takashi Sakamoto
Nippon Suisan Gakkaishi (Japanese Edition)   70 496-499   Jan 2004   [Refereed]
E. Ohara, T. Nishimura, T. Sakamoto, Y. Nagakura, K. Mushiake, Nobuaki Okamoto
Molecular Ecology Notes   3 390-391   Sep 2003   [Refereed]
We developed five microsatellite primer pairs for the yellowtail Seriola quinqueradiata. The loci were highly polymorphic, with eight to 14 alleles per locus, and can be used to study kinship and/or population structure. Many of these primer pairs...
A. Ozaki, S. K. Khoo, T. Sakamoto, Nobuaki Okamoto
Animal Genetics   34 315-317   Aug 2003   [Refereed]
K. G. O'Malley, T. Sakamoto, R. G. Danzmann, M. M. Ferguson
Journal of Heredity   94 273-284   Jul 2003   [Refereed]
We incorporated 69 microsatellite loci into an existing data set of 132 markers to test for quantitative trait loci (QTLs) affecting spawning date and body weight in a backcross between two outbred strains of rainbow trout (Oncorhynchus mykiss). T...
Maria R.M. Coimbra, Kazunobu Kobayashi, Shinrokuro Koretsugu, Osamu Hasegawa, Eriko Ohara, Akiyuki Ozaki, Takashi Sakamoto, Kyoshi Naruse, Nobuaki Okamoto
Aquaculture   220 203-218   Apr 2003   [Refereed]
We report the first genetic linkage map of the Japanese flounder (Paralichthys olivaceus) constructed with 111 microsatellite markers and 352 AFLP fragments. The parental male linkage map consisted of 25 linkage groups while the female map consist...
Rachael A. Woram, Karim Gharbi, Karim Gharbi, Takashi Sakamoto, Bjorn Hoyheim, Lars Erik Holm, Kerry Naish, Colin McGowan, Moira M. Ferguson, Ruth B. Phillips, Jake Stein, René Guyomard, Margaret Cairney, John B. Taggart, Richard Powell, William Davidson, Roy G. Danzmann
Genome Research   13 272-280   Feb 2003   [Refereed]
We compared the Y-chromosome linkage maps for four salmonid species (Arctic charr, Salvelinus alpinus; Atlantic salmon, Salmo salar; brown trout, Salmo trutta; and rainbow trout, Oncorhynchus mykiss) and a putative Y-linked marker from lake trout ...
Takashi Sakamoto, Roy G. Danzmann, Nobuakio Kamoto
Fisheries Science   68 1079-1082   Jan 2002   [Refereed]
The majority of species and strains reared globally for aquaculture are relatively unimproved for commercially important traits. The potential for genetic improvement in fish species compared with domestic livestock, is very high. Therefore, we ar...
A. Fujiwara, C. Nishida-Umehara, T. Sakamoto, N. Okamoto, I. Nakayama, I. Nakayama, S. Abe
Genetica   111 77-89   Dec 2001   [Refereed]
Cytogenetic methodology is still underdeveloped in fishes compared with mammals. Culture condition for fish lymphocytes was optimized to improve chromosome preparation using the rainbow trout (Oncorhynchus mykiss) as a model after changing the com...
K. Nakamura, A. Ozaki, T. Akutsu, K. Iwai, T. Sakamoto, G. Yoshizaki, N. Okamoto
Molecular Genetics and Genomics   265(4) 687-693   Aug 2001   [Refereed]
Albinism in animals is generally a recessive trait, but in Japan a dominant oculocutaneous albino (OCA) mutant strain has been isolated in rainbow trout (Oncorhynchus mykiss). After confirming that this trait is not due to a tyrosinase gene mutati...
A. Ozaki, T. Sakamoto, S. Khoo, K. Nakamura, M. R.M. Coimbra, T. Akutsu, N. Okamoto
Molecular Genetics and Genomics   265(1) 23-31   Jan 2001   [Refereed]
Infectious pancreatic necrosis (IPN) is a well-known acute viral disease of salmonid species. We have identified quantitative trait loci (QTLs) associated with resistance to this disease in rainbow trout. We searched for linkage among 51 microsate...
Takashi Sakamoto, Takashi Sakamoto, Roy G. Danzmann, Roy G. Danzmann, Karim Gharbi, Pamela Howard, Akiyuki Ozaki, Sok Kean Khoo, Rachael A. Woram, Nobuaki Okamoto, Moira M. Ferguson, Lars Erik Holm, René Guyomard, Bjorn Hoyheim
Genetics   155 1331-1345   Jul 2000   [Refereed]
We constructed a genetic linkage map for a tetraploid derivative species, the rainbow trout (Oncorhynchus mykiss), using 191 microsatellite, 3 RAPD, 7 ESMP, and 7 allozyme markers in three backcross families. The linkage map consists of 29 linkage...
S. K. Khoo, A. Ozaki, T. Sakamoto, N. Okamoto
Journal of animal science   78 490-491   Jan 2000   [Refereed]
S. K. Khoo, A. Ozaki, T. Sakamoto, N. Okamoto
Animal Genetics   31 73-74   Jan 2000   [Refereed]
Takashi Sakamoto, Takashi Sakamoto, Roy G. Danzmann, Nobuaki Okamoto, Moira M. Ferguson, Peter E. Ihssen
Aquaculture   173 33-43   Mar 1999   [Refereed]
We have used 54 microsatellite markers to search for quantitative trait loci (QTL) associated with spawning time in rainbow trout (Oncorhynchus mykiss). Linkage tests have been conducted in a backcross family produced by crossing spring and fall s...
Anthony G. Fishback, Roy G. Danzmann, Takashi Sakamoto, Moira M. Ferguson
Aquaculture   172 247-254   Mar 1999   [Refereed]
We have developed an octaplex and a hexaplex polymerase chain reaction (PCR) genotyping system for rainbow trout (Oncorhynchus mykiss). During the development of the two multiplex systems, we encountered numerous allele scoring difficulties. The v...
A. Ozaki, S. K. Khoo, T. Sakamoto, N. Okamoto
Animal Genetics   30 393-394   Jan 1999   [Refereed]
A. Ishikawa, T. Sakamoto, N. Okamoto, Y. Ikeda
Journal of animal science   74 1737   Jan 1996   [Refereed]
A. Ishikawa, T. Sakamoto, N. Okamoto, Y. Ikeda
Journal of animal science   74 1736   Jan 1996   [Refereed]
Takashi Sakamoto, Nobuaki Okamoto, Mamoru Ishii, Masashi Maita, Yayoi Ikeda
Fisheries Science   62(5) 719-722   Jan 1996   [Refereed]
To obtain restriction fragment length polymorphism (RFLP) and variable number of tandem repeat (VNTR) markers from the rainbow trout genome, we constructed a genomic cosmid library from the RTG-2 cell line. Cosmid DNAs were prepared from 25 clones...
Takashi Sakamoto, Nobuaki Okamoto, Yayoi Ikeda
Fisheries Science   62(4) 552-555   Jan 1996   [Refereed]
Dinucleotide repeat polymorphisms are widely used as markers for genetic analysis in mammalian genomes because of their abundance and high variability among individuals. We have previously isolated informative markers for genetic studies of rainbo...
A. Ishikawa, T. Sakamoto, N. Okamoto, Y. Ikeda
Journal of animal science   73 1213   Jan 1995   [Refereed]
A. Ishikawa, T. Sakamoto, N. Okamoto, Y. Ikeda
Journal of animal science   73 1214   Jan 1995   [Refereed]
T. Sakamoto, N. Okamoto, Y. Ikeda
Journal of animal science   72 2768   Jan 1994   [Refereed]
T. Sakamoto, N. Okamoto, Y. Ikeda
Journal of animal science   72 2767   Jan 1994   [Refereed]
T. Sakamoto, T. Sakamoto, N. Okamoto, Y. Ikeda, Y. Nakamura, T. Sato
Journal of Fish Biology   44 1093-1096   Jan 1994   [Refereed]
Dinucleotide–repeat DNA polymorphisms for rainbow trout, Oncorhynchus mykiss, are described. The potential applications of these markers in fisheries science are discussed. Copyright © 1994, Wiley Blackwell. All rights reserved
T. Sakamoto, N. Okamoto, Y. Ikeda
Journal of animal science   72 2766   Jan 1994   [Refereed]
T. Sakamoto, N. Okamoto, Y. Ikeda
Journal of animal science   72 2765   Jan 1994   [Refereed]
Takaaki Sato, Takaaki Sato, Takashi Sakamoto, Ken ichi Takita, Hiroko Saito, Keiko Okui, Yusuke Nakamura
Genomics   17(3) 762-764   Jan 1993   [Refereed]
Five cosmid clones, isolated by procedures to screen genomic libraries for homologous variants of the human prohibitin gene (PHB), were analyzed to determine their genomic structures. Four of these (PHBP1-4) were found to be processed pseudogenes,...
Takaaki Sato, Fujio Kasumi, Jeff Swensen, Carla Wood, Hiroko Saito, Jeff Swensen, Arnold Olifant, David Danner, Takashi Sakamoto, Arnold Olifant, Yoshio Miki, Kenichi Takita, Yoshio Miki, Mark Skolnick, Yusuke Nakamura, Mark Skolnick
Cancer Research   52 1643-1646   Jan 1992   [Refereed]
A gene called “prohibitin” was isolated as a candidate antipro-liferating gene in rat liver cells. We have isolated the human homologue of the rat prohibitin gene and mapped it to chromosome 17q 12-21 where a gene responsible for hereditary breast...

Misc

 
C. Castaño Sánchez, K. Kobayashi, M. R.M. Coimbra, M. R.M. Coimbra, K. Fuji, T. Sakamoto, N. Okamoto
Genome Mapping and Genomics in Animals   2 135-148   Jan 2008   [Refereed]
The Human Prohibitin Gene Located on 17p21 Is Mutated in sporadic Breast Cancer.
Cancer Research   52 1643-1646   1992
Dinucleotide-repeat polymorphism in DNA of rainbow trout and its application in fisheries.
Journal of Fish Biology   44 1093-1096   1994
Dinucleotide repeat polymorphism of rainbow trout, FGT2.
Journal of Animal Science   72 2765   1994
Dinucleotide repeat polymorphism of rainbow trout, FGT3.
Journal of Animal Science   72 2766   1994
Dinucleotide repeat polymorphism of rainbow trout, FGT4.
Journal of Animal Science   72 2767   1994
Dinucleotide repeat polymorphism of rainbow trout, FGT5.
Journal of Animal Science   72 2768   1994
Variable Number of Tandem Repeat Marker, RVF9401, in rainbow trout.
Journal of Animal Science   73 1213   1995
Variable Number of Tandem Repeat Marker, RVF9303, in rainbow trout.
Journal of Animal Science   73 1214   1995
A Bgl(]G0002[) Restriction Fragment Length Polymorphism, in rainbow trout.
Journal of Animal Science   74 1736   1996

Books etc

 
QTL analysis in fish.
Genome Analysis and New Breeding Strategy in Domestic Animals. /Springer-Verlag Tokyo, Inc.   2000   

Works

 
Joint Research on Sex determination in fish
2000
Joint Research on Fish Genetics and Breeding Science
1999

Research Grants & Projects

 
Fish Molecular Genetics
Study of Sex determination in fish
Fish Molecular Pathology
Establishment of genetic breeding method to domesticate aquacultural species using genetic engeneering