Masahiko Hirokawa - My portal

Profile Information

Affiliation: National Agriculture and Food Research Organization

Degree: 博士（農学）(北海道大学)

J-GLOBAL ID: 201601017563219991
researchmap Member ID: B000262681

Awards

Apr, 2006

蚕糸学進歩賞・技術賞

Masahiko Hirokawa
Apr, 2005

日本蚕糸学会ベスト論文賞

佐原健, 吉戸敦生, 井原淳一郎, 廣川昌彦
Apr, 2005

蚕糸学進歩賞・技術賞, A novel method, PCR-mediated amplification of methylated sites, detects methylated CpG islands in the genome of Bombyx mori

Ken-ichiro Tatematsu, Masahiko Hirokawa, Eiichi Kosegawa
Apr, 1999

蚕糸学進歩賞・奨励賞, Genetic analysis of a new mutant expressing extra-legs and extra-wings at the adult stage in the silkworm, Bombyx mori

Masahiko Hirokawa

Papers

カイコ遺伝資源保存業務における確実かつ効率的な保存方法の模索

廣川昌彦

蚕糸・昆虫バイオテック, 79(1) 17-41, Apr, 2018 Peer-reviewed
Silkworm Genetic Resources Newly Introduced from Fukushima and Gunma Prefecture

Masahiko Hirokawa

Survey Report for Animal Genetic Resources, (17) 8-19, Mar, 2017 Peer-reviewed
The order of four homeotic-mutant genes, Nc, E^Cw, E^Kp and E^Mu, on the 6th-linkage group of Bombyx mori

Hirokawa Masahiko, Tatematsu Ken-Ichiro

The Journal of Sericultural Science of Japan, 80(2) 2_041-2_048, 2011
Genetic analysis of the new mutant, translucent Hime'nichi, in the silkworm, Bombyx mori

SHIMIZU KUNIMITU, HIROKAWA MASAHIKO, TATEMATSU KEN-ICHIRO, KOSEGAWA EIICHI

Sanshi-konchu biotec, 75(1) 33-36, Apr 1, 2006
Building of the Data Retrieval System for the Genetic Resources of Silkworm

KINOSHITA Haruo, IIZUKA Masayo, WATASE Hisaya, NAGAYASU Ken-ichi, KOSEGAWA Eiichi, HIROKAWA Masahiko, TATEMATSU Ken-ichiro

The Journal of Silk Science and Technology of Japan, 14 29-36, Dec 1, 2005
Genetic Analysis of a New Mutation 'Extra-abdominal Legs and Extra Crescents' Belonging to the E pseudoalleles in the Silkworm, Bombyx mori

HIROKAWA Masahiko, TATEMATSU Ken-Ichiro, KOSEGAWA Eiichi

Journal of Insect Biotechnology and Sericology, 74(3) 111-116, Oct 28, 2005
Effective induction of egg diapause in multivoltine silkworm races by low temperature and short-photoperiod rearing condition

Kunimitu Shimizu, Masahiko Hirokawa, Ken-ichiro Tatematsu, Eiichi Kosegawa

Journal of Sericultural Science of Japan, 74(1) 1-7, 2005
Influence of environmental condition in embrionic stage on diapause and hatchability of the multivoltine silkworm, Bombyx mori

Kunimitsu Shimizu, Masahiko Hirokawa, Ken-ichiro Tatematsu, Eiichi Kosegawa

Journal of Sericultural Science of Japan, 74(42403) 73-79, 2005
Genetic analysis of the new mutant, maternal brown egg of Shimizu, in the silkworm, Bombyx mori

Kunimitsu Shimizu, Masahiko Hirokawa, Ken-ichiro Tatematsu, Eiichi Kosegawa

Journal of Sericultural Science of Japan, 74(42403) 53-57, 2005
On the Cocoon Characteristics of Chinese Improved Races Maintained as Genetic Resource

KINOSHITA Haruo, KOSEGAWA Eiichi, HIROKAWA Masahiko, TATEMATSU Ken-ichiro, NAGAYASU Ken-ichi, IIZUKA Masayo, WATASE Hisaya

J. Silk. Sci. Tech. Jpn., 13 83-90, Dec 1, 2004
Genetic Analysis of the New Mutation "Dark-black Ursa" in the Silkworm, Bombyx mori

HIROKAWA Masahiko, TATEMATSU Ken-Ichiro, KOSEGAWA Eiichi, MEGURO Yu

Journal of Insect Biotechnology and Sericology, 73(3) 135-139, Oct 29, 2004
Studies on the analysis of characteristics on the preserved silkworm races (2) In the cace of japamese improved race

KINOSHITA Haruo, KOSEGAWA Eiichi, HIROKAWA Masahiko, TATEMATSU ken-ichiro, NAGAYASU Ken-ichi, YAMAMOTO Toshio

J. Silk. Sci. Tech. Jpn., 12 27-34, Dec 1, 2003
A Novel Method, PCR-Mediated Amplification of Methylated Sites, Detects Methylated CpG Islands in the Genome of Bombyx mori

TATEMATSU Ken-ichiro, HIROKAWA Masahiko, KOSEGAWA Eiichi

The Journal of Sericultural Science of Japan, 72(3) 191-195, Oct 31, 2003
Studies on the analysis of characteristics in the genetic resources of silkworm : (1) In the cace of Japanese native race

KINOSHITA Haruo, KOSEGAWA Eiichi, HIROKAWA Masahiko, TATEMATSU Ken-ichiro, NAGAYASU Ken-ichi, YAMAMOTO Toshio

日本シルク学会誌 : 日本シルク学会研究発表要旨集録, 11 61-69, Dec 1, 2002
カイコにおける性の制御 (昆虫機能研究会(平成12年度))

廣川昌彦

蚕糸・昆虫農業技術研究所研究資料, (28) 152-154, Mar, 2001
Characteristics of the recombinant between E-pseudoalleles, ECw and EKPin the silkworm, Bombyx mori

Masahiko Hirokawa

Journal of Sericultural Science of Japan, 68(1) 41-47, 1999
Genetic analysis of a new mutant expressing extra-legs and extra-wings at the adult stage in the silkworm, Bombyx mori.

HIROKAWA MASAHIKO

Journal of Insect Biotechnology and Sericology, 67(1) 1-7, 1998
Detection of mixoploid by using egg color genes in parthenotes of the silkworm, Bombyx mori

HIROKAWA MASAHIKO

日本蠶絲學雜誌, 65(5) 390-391, Oct, 1996
Egg color mutation detected by meiotic parthenogenesis in the parthenotes induced by hot-water treatment in the silkworm, Bombyx mori.

HIROKAWA MASAHIKO

Journal of Insect Biotechnology and Sericology, 65(4) 315-317, 1996
家蚕における性の制御に関する研究

廣川昌彦

福島県蚕業試験場研究報告, (28) p1-104, Dec, 1995

Presentations

蚕遺伝資源データ検索システムの構築

木下晴夫, 飯塚雅世, 渡瀬久也, 小瀬川英一, 廣川昌彦, 立松謙一郎, 永易健一

日本シルク学会誌 : 日本シルク学会研究発表要旨集録, Dec 1, 2004
中国在来種の蚕品種特性について

木下晴夫, 小瀬川英一, 廣川昌彦, 立松謙一郎, 永易健一, 山本俊雄

日本シルク学会誌 : 日本シルク学会研究発表要旨集録, Dec 1, 2003
カイコ遺伝資源のデータベース化

木下晴夫, 小瀬川英一, 廣川昌彦, 立松健一郎, 永易健一, 山本俊雄

日本シルク学会誌 : 日本シルク学会研究発表要旨集録, Dec 1, 2002