J-GLOBAL         Last updated: Jan 3, 2019 at 11:16
Shinshu University
Institute of Science
Job title


My major research interest is in the evolution and ecology of left-right asymmetry (laterality) and speciation mechanisms. Within the clade of Spiralia/Lophotrochozoa, left-right reversal has recurrently evolved in snails with internal fertilization despite its copulating disadvantage but not in externally fertilizing snails or in the other spiralian phyla. Currently I am tackling this puzzle by multidisciplinary approaches.

Research Areas


Academic & Professional Experience

Research Associate, School of Environmental Sciences, University of Virginia/ Virginia Museum of Natural History
Lecturer, Tokyo Metropolitan College/Postdoctoral Fellow, Smithsonian Institute
Associate Professor, Tokyo Metropolitan College
Associate Professor, Department of Biology, Shinshu University
Professor, Department of Biology, Shinshu University


Dec 1988
Biology, School of Arts and Sciences, University of Virginia
Mar 1980
Biology, School of Sciences, Tokyo Metropolitan University
Biology, Faculty of Science, Tokyo Metropolitan University

Awards & Honors

Sep 2009
Zoological Science Award

Published Papers

Heterochirality results from reduction of maternal diaph expression in a terrestrial pulmonate snail
Noda T, Satoh N, Asami T
Zoology Letters   in press    [Refereed]
Evolution of a dextral lineage by left-right reversal in Cristataria (Gastropoda, Pulmonata, Clausiliidae)
Páll-Gergely B, Szekeres M, Fehér Z, Asami T, Harl J
Journal of Zoological Systematics and Evolutionary Research   in press    [Refereed][Invited]
Enantiomorphs and taxonomy of three conchological species in flat-shelled snails Trichocathaica (Pulmonata: Camaenidae)
Páll-Gergely B, Hunyadi A, Asami T
Zookeys   810 19-44   2018   [Refereed]
Riccardoella mites infecting six land snail species, referred to in the Red Data List and the Red Data Book
Waki T, Shimano S, Asami T
Taxa   in press    [Refereed]
Subspecies description rates are higher in morphologically complex land snails
Páll-Gergely B, Asami T, Sólymos P
Zoologica Scripta   in press    2018   [Refereed]
Páll-Gergely, B, Otani, JU, Hosoda, T, Asami, T, Harl, J
Molluscan Research   38 41-49,   2018   [Refereed]
Riccardoella reaumuri Fain and van Goethem, 1986 (Acariformes: Trombidiformes: Ereynetidae) from terrestrial mollusks in Okinawajima Island, as first record from Japan
Waki T, Shimano S, Asami T, Miyai T, Sasaki T
The biological magazine Okinawa   56 27-31   Jan 2018   [Refereed]
A new species of Metalycaeus hitherto undistinguished from M. vinctus (Pilsbry, 1902) (Gastropoda: Cyclophoroidea: Alycaeidae)
Páll-Gergely, B, Asami, T
Venus   75 1–16,   2017   [Refereed]
Wu, M, Asami, T
Molluscan Research    2017   [Refereed]
Páll-Gergely, B, Hunyadi, A, Đỗ, Đ S, Naggs, F, Asami, T
Zootaxa   4331 1–124   2017   [Refereed]
Harl, J, Haring, E, Sittenthaler, M, Sattmann, H, Asami, T, Páll-Gergely, B
Zoological Journal of the Linnean Society   181 778–794,   2017   [Refereed]
Páll-Gergely B, Jochum, A, Asami, T
Acta Zoologica Academiae Scientiarum Hungaricae   63(3) 327-341,   2017   [Refereed]
Páll-Gergely, B, Hunyadi, A, Asami, T
Zookeys   678 1-10,   2017   [Refereed]
Páll-Gergely, B., Fehér, Z., Otani, J.U. and Asami, T.
Molluscan Research   37 113-119,   2016   [Refereed]
An impressive new camaenid, Entadella entadiformis gen. & sp. n. from Guangxi, China (Gastropoda: Pulmonata)
Páll-Gergely, B., Hunyadi, A., Otani, J.U. and Asami, T.
Journal of Conchology   42 167-179,   2016   [Refereed]
Páll-Gergely, B., Naggs, F. and Asami, T.
Biology Letters   12 20160151,   2016   [Refereed]
Páll-Gergely, B., Muratov, I.V. and Asami, T.
ZooKeys   592 1-26,   2016   [Refereed]
Danaisawadi, P., Asami, T., Ota, H., Sutcharit, C. and Panha, S.
Scientific Reports   6 23832,   2016   [Refereed]
Predatory behavior of the snail-eating snake Pareas carinatus (Boie, 1828) (Squamata: Pareidae): an ethogram study
Danaisawadi, P., Asami, T., Ota, H., Sutcharit, C. and Panha, S. [reprint]
Tropical Natural History   16 21-31,   2016   [Refereed]
Páll-Gergely, B., Budha, P.B., Naggs, F., Backeljau, T. and Asami, T.
ZooKeys   529 1–70,   2015   [Refereed]
Kakishima, S., Morita, S., Yoshida, K., Ishida, A., Hayashi, S., Asami, T., Ito, H., Miller III, D. G., Uehara, T., Mori, S., Hasegawa, E., Matsuura, K., Kasuya, E., Yoshimura, J.
Royal Society Open Science   2 150330,   2015   [Refereed]
Páll-Gergely, B., Hunyadi, A., Jochum, A., and Asami, T.
ZooKeys   523 31–62,   2015   [Refereed]
Nyumura, N. and Asami, T.
Zoological Science   32 372-377,   2015   [Refereed]
Danaisawadi, P., Asami, T., Ota, H., Sutcharit, C. and Panha, S.
Journal of Ethology   33 243-246,   2015   [Refereed]
Páll-Gergely, B., Hunyadi, A., Ablett, J., Luong Van, H., Naggs, F. and Asami, T.
Zookeys   473 1-118,   2015   [Refereed]
Páll-Gergely, B., Fehér, Z., Hunyadi, A. and Asami, T.
Zootaxa   3937 1–49,   2015   [Refereed]
Páll-Gergely, B. and Asami, T.
Venus   73 41-50,   2015   [Refereed]
Additional information on the distribution, anatomy, and systematics of living and fossil Chinese Plectopylidae (Gastropoda: Pulmonata)
Páll-Gergely, B. and Asami, T. (543e39fe0cf25d6b1ad97280.pdf)
Genus   25 527-564,   2014   [Refereed]
Asanuma, H., Kakisima, S., Ito, H., Kobayashi, K.,Hasegawa, E., Asami, T., Matsuura, K., Roff, D. A. and Yoshimura, J.
Scientific Reports   4 5425,   2014   [Refereed]
Ujiié, Y. and Asami, T.
Journal of Zoology   293 16-24,   2014   [Refereed]
A new, ribbed Schileykula species from north-eastern Turkey
Páll-Gergely, B. and Asami, T.
North-Western Journal of Zoology   9 214-216,   2013   [Refereed]
Páll-Gergely, B, Hunyadi, A. and Asami, T.
Molluscan Research   33 130–134,   2013   [Refereed]
Shimizu, K., Iijima, M., Setiamarga, D. H. E., Sarashina, I., Kudoh, T., Asami, T., Gittenberger, E. and Endo, K.
BMC EvoDevo   4 15   2013   [Refereed]
Ujiié, Y., Asami, T., T. de Garidel-Thoron, Liu, H., Ishitani, Y. and De Vargas, C.
Ecology and Evolution   2 1725–1737,   2012   [Refereed]
Gittenberger, E., Hamann, T. D. and Asami, T.
PLoS One   7 e34005,   2012   [Refereed]
Noshita, K., Asami, T. and Ubukata, T.
Paleobiology   38 322-334,   2012   [Refereed]
Utsuno, H., Asami, T., Van Dooren, T. J. M. and Gittenberger, E.
Evolution   65 2399–2411,   2011   [Refereed]
Hoso, M., Kameda, Y., Wu, S.-P., Asami, T., Kato, M. and Hori, M.
Nature Communications   1 133,   2010   [Refereed]
Nakadera, Y., Sutcharit, C., Ubukata, T., Seki, K., Utsuno, H., Panha, S. and Asami, T.
Journal of Evolutionary Biology   23 2377-2384,   2010   [Refereed]
Genetic basis of racemism and ease of interchiral mating in a clausiliid species of snails.
Utsuno, H., Kasem, S., Fukuda, H. and Asami, T.
Molluscan Research   30 37-47,   2010   [Refereed]
Utsuno, H. and Asami, T.
Journal of Heredity   101 11-19,   2010   [Refereed]
Wiwegweaw, A., Seki, K.,Utsuno, H. and Asami, T.
Zoological Science   26 191-196,   2009   [Refereed]
Wiwegweaw, A., Seki, K., Mori, H. and Asami, T.
Biology Letters   5 240-243,   2009   [Refereed]
Kumazawa, F., Asami, T., Nakagiri, N., Tainaka, K., Togashi, T., Miyazaki, T., Yoshimura, J.
Ecological Modelling   220 424-429,   2009   [Refereed]
Okumura, T., Utsuno, H., Kuroda, J., Gittenberger, E., Asami, T. and Matsuno, K.
Developmental Dynamics   237 3497-3515,   2008   [Refereed]
Seki, K., Wiwegweaw, A. and Asami, T.
Zoological Science   25 1212-1219,   2008   [Refereed]
Maintenance mechanism of a supergene for shell colour polymorphism in the terrestrial pulmonate Bradybaena similaris.
Asami, T. and Asami, N.
Basteria   72 119-127,   2008   [Refereed]
Asami, T., Gittenberger, E. and Falkner, G.
Journal of Heredity   99 552-557,   2008   [Refereed]
Hayashi S, Ohkawa K, Suwa Y, Sugawara T, Asami T., and Yamamoto H.
Macromolecular Bioscience   8 46-59,   2008   [Refereed]
Zhang, X., Asami, T. and Onozato H.
Fishery Science   73 1325-1331,   2007   [Refereed]
Sutcharit, C., Asami, T. and Panha, S.
Journal of Evolutionary Biology   20 661-672,   2007   [Refereed]
Hoso, M., Asami, T. and Hori, M.
Biology Letters   3 169-172,   2007   [Refereed]
Population dynamics of Batesian mimicry under interspecific competition
Kumazawa, F., Asami, T., Hayashi, T. and Yoshimura, J.
Evolutionary Ecology Research   8 591-604,   2006   [Refereed]
Tainaka, K., Itoh, Y., Yoshimura, J. and Asami, T.
Population Ecology   48 113-119,   2006   [Refereed]
Lymnaea stagnalis as a model organism for studies of calcium carbonate biomineralization
Endo, K., Sarashina, I., and Asami,T.
Biomineralization: formation, diversity, evolution and application   172-175   2004   [Refereed]
Ueshima, R. and Asami, T.
Nature   425 679,   2003   [Refereed]
Geographical distributions of sibling species of land snails Bradybaena pellucida and B. similaris in the Boso Peninsula.
Seki, K., Inoue, S. and Asami, T.
Venus   61 41-48,   2002   [Refereed]
Marine molluscan and brachiopod fauna of Tanoura, Nagashima Island, kaminoseki-cho, Yamaguchi Prefecture, Japan
Fukuda, H., Asami, T., Yamashita, H., Sato, M, Hori, S. and Nakamura, Y.
Yuriyagai   7 115-196,   2001   [Refereed]
Effects of oviposition substrate on lifetime fecundity of the terrestrial pulmonate Bradybaena similaris
Asami, T. and Ohbayashi, K.
Journal of Conchology   36 1-9,   1999   [Refereed]
Asami, T., Cowie, R. H. and Ohbayashi, K.
American Naturalist   152 225-236,   1998   [Refereed]
Geographical distribution of the land snail Bradybaena pellucida (Pulmonata: Bradybaenidae)
Asami, T., Yamashita, H., Park, J. and Ishikawa, H.
Yuriyagai   5 31-42,   1997   [Refereed]
Asami, T., Ohbayashi, K. and Seki, K.
Venus   56 35-39,   1997   [Refereed]
Melanism has not evolved in Japanese Biston betularia
Asami, T. and Grant, B.
Journal of the Lepidopterists'Society   49 88-91,   1995   [Refereed]
A long term assessment of Biston betularia (L.) in one UK locality (Caldy Common, West Kirby, Wirral), 1959-93, and glimpses elsewhere.
Clarke, C. A., Grant, B., Clarke, F. M. M. and Asami, T.
Linnean   10 18-26,   1994   [Refereed]
Genetic variation and evolution of coiling chirality in snails
Asami, T.
Forma   9 263-276,   1993   [Refereed]
Asami, T.
Functional Ecology   7 571-577,   1993   [Refereed]
Asami, T., Fukuda, H. and Tomiyama, K.
Venus   52 155-159,   1993   [Refereed]
Divergence of activity patterns in sympatric land snails.
Asami, T.
Malacologia   35 399-406,   1993   [Refereed]
Asami, T.
Venus   47 278-297,   1988   [Refereed]
Wasserman, S. S. and Asami, T.
Oikos   45 191-196,   1985   [Refereed]
Aotsuka, T. and Asami, T.
Japanese Journal of Genetics   54 397-400,   1979   [Refereed]

Conference Activities & Talks

Handedness coevolution between snakes & snails in Southeast Asia [Invited]
Asami, T
Keynote, The 4th Annual International Seminar on Trends in Science and Science Education 2017, Medan, Indonesia. 14 Nov   2017   
Evolution of reproductive barriers in snails [Invited]
Asami, T
Keynote, World Congress of Malacology 2016, Penang, Malaysia. 23 Jul   2016   
Quantitative variation and evolution of chirality in pulmonate snails [Invited]
Asami, T
Plenary Lecture, XI International Congress of Medical and Applied Malacology, Rio de Janeiro, Brazil. 25 Sep   2012   
Sex pheromones: Are hybrids superior or inferior in mating success? [Invited]
Asami, T
Keynote, Symposium "Reproduction and Mating Systems in Hermaphroditic Molluscs" World Congress of Malacology 2010, Phuket, Thailand. 20 Jul   2010   

Teaching Experience


Research Grants & Projects

Chemical ecology of hybrid vigor and hybrid breakdown in sex pheromone
JSPS Grant-in-Aid for Scientific Research (A)
Project Year: Apr 2012 - Mar 2017    Investigator(s): Takahiro Asami
Ecological functions and long-term dynamics of snail chiral dimorphism
JSPS Grant-in-Aid for Scientific Research (A)
Project Year: Mar 2012 - Mar 2017    Investigator(s): Takahiro Asami
Dynamic equilibrium and adaptive evolution of snail chirality
JSPS Grant-in-Aid for Scientific Research (B)
Project Year: Apr 2008 - Mar 2012    Investigator(s): Takahiro Asami
Maintenance mechanism and evolution of enantiomorphy in snails
JSPS Grant-in-Aid for Scientific Research (B)
Project Year: Apr 2004 - Mar 2008    Investigator(s): Takahiro Asami
Developmental constraint against left-right reversal
JSPS Grant-in-Aid for Exploratory Research
Project Year: Apr 2004 - Mar 2007    Investigator(s): Takahiro Asami
Evolutionary biology of enantiomorphy and mirror-image populations in tree snails
JSPS Grant-in-Aid for Scientific Research (B)
Project Year: Apr 2001 - Apr 2004    Investigator(s): Takahiro Asami
Is spiral cleavage responsible for morphogenetic handedness
JSPS Grant-in-Aid for Exploratory Research
Project Year: Apr 2001 - Mar 2003    Investigator(s): Takahiro Asami
Pattern and process of chiral evolution in snails
JSPS Grant-in-Aid for Scientific Research (C)
Project Year: Apr 1998 - Mar 2000    Investigator(s): Takahiro Asami
Why snails are right-handed: ecological genetics of chiral reversal
JSPS Grant-in-Aid for Exploratory Research
Project Year: Apr 1996 - Mar 1998    Investigator(s): Takahiro Asami