staff

photo:Ryuji Ishikawa Professor

Ryuji Ishikawa

  • Title Professor
  • Department Applied Biology and Food Sciences
  • Course Biotechnology Course
  • Research Field Plant Breeding
  • E-mail ishikawa [at] hirosaki-u.ac.jp
    please substitute @ for [at]
  • Phone +81-172-39-3778

Message

Crop breeding is one of the most important research fields to sustain population. We will work to improve modern varieties with the helop of wide genetic resources including wild rice and landraces.


Research Theme

Crop breeding, Evolution of crop domestication


Education & Appointments

Education

1984 Graduated Faculty of Agriculture, Hokkaido University

1986 Graduated Graduate school of Agriculture, Hokkaido University

1993 Phd (Doctor of Agriculture from Hokkaido University)

 

Job career

1988 Assistant Professor in Faculty of Agriculture, Hirosaki University

1993 Associate Professor in Faculty of Agriculture, Hirosaki University

1997 Associate Professor in Faculty of Agriculture and Life Science, Hirosaki University

2008 Professor in Faculty of Agriculture and Life Science, Hirosaki University

2013-2015,2017- Deputy Dean of Faculty of Agriculture and Life Science, Hirosaki University


Publications

2017/01/13

Article ID: PBI12674

Brozynska,M., D. Copetti, A. Furtado, R. A. Wing, D. Crayn, G. Fox, R. Ishikawa, R. J. Henry (2017) Sequencing of Australian wild rice genomes reveals ancestral relationships with domesticated rice  Plant Biot. Jour 15: 765-774. 

 

2016

Muto, C., R. Ishikawa, K.M. Olsen, K. Kawano, C. Bounphanousay, T. Matoh, Y-I. Sato (2016) The origin and diversification of wx allele of glutinous indica rice landraces through the traditional slash and burn system in northern Laos. Breed. Sci. 66:580-590. DOI 10.1270/jsbbs.16032

Ishikawa, R., N. Badenoch, K. Miyagi, K. Medoruma, T. Osada, M. Oonishi. (2016) Multi-lineages of of Shiikuwasha (Citrus depressa Hayata) evaluated by using whole chloroplast genome sequences and its bio-diversity in Okinawa, Japan. Breed. Sci. 66:490-498.

Hao, Y., M. Akimoto, R. Kaewcheenchai, M. Sotowa, T. Ishii, and R. Ishikawa (2015) Inconsistent diversities between nuclear and plastid genomes of AA genome species in the genus Oryza. Genes & Genetic Systems 2016 Mar 23;90(5):269-81. doi: 10.1266/ggs.14-00063. Epub 2015 Dec 18.

Tanaka, K., N Kamijo, H Tabuchi, K Hanamori, R Matsuda, J Suginomori, Y-I Sato, T Udatsu, R Ishikawa (2015) Morphological and molecular genetics of ancient remains and modern rice confirm diversity in ancient Japan. Genetic Resources and Crop Evolution. Genetic Resources and Crop Evolution March 2016, Volume 63, Issue 3, pp 447-464 First online: 11 July 2015 10.1007/s10722-015-0262-2

 

2015

Castillo, C., K. Tanaka, Y-I Sato, R. Ishikawa, B. Bellina, C. Higham, N, Chang, R. Mohanty, M. Kajale, D. Fuller (2015) Archaeogenetic study of prehistoric rice remains from Thailand and India: evidence of early japonica in South and Southeast Asia. Archae. Anthrop. Sci. DOI 10.1007/s12520-015-0236-5 Date: 10 May 2015

 

2014 

Marta Brozynska & Ernnie Syafika Omar &Agnelo Furtado & Darren Crayn & Bryan Simon & Ryuji Ishikawa & Robert James Henry 

Brozynska M., E. Syafika, OA. Furtado, D. Crayn, B. Simon, R. Ishikawa, RJ. Henry (2014) Chloroplast Genome of Novel Rice Germplasm Identified in Northern Australia. Tropical Plant Biol. (2014) 7:111–120. 10.1007/s12042-014-9142-8

Ootsuka,K., I Takahashi, K. Tanaka, T. Itani, H. Tabuchi, T. Yoshihashi, A. Tonouchi, R. Ishikawa (2014) Genetic polymorphisms in Japanese fragrant landraces and novel fragrant allele domesticated in northern Japan. Breeding Science 64:115-124. (査読有り)

 

2013

Sotowa, M., K. Ootsuka, Y. Kobayashi, Y. Hao, K. Tanaka, K. Ichitani, JM. Flowers, M D .Purugganan, I. Nakamura, Y-I. Sato, T. Sato, D. Crayn, B. Simon, D. LE. Waters, R. J. Henry and R. Ishikawa (2013) Molecular relationships between Australian annual wild rice, Oryza meridionalis, and two related perennial forms. Rice 2013, 6:26 doi:10.1186/1939-8433-6-26

Sotowa, M, (14名略),R. Ishikawa (2013) Molecular relationships between Australian annual wild rice, Oryza meridionalis, and two related perennial forms. Rice 6:26 doi:10.1186/1939-8433-6-26 

Ashikawa, I. and R. Ishikawa (2013) A population genetics-based approach reveals candidate gene regions important inthe determination of resistance specificity for the Pik family of rice blast resistance genes. J Gen Plant Pathol J Gen Plant Pathol 79:178-181.

Ashikawa, I. and R. Ishikawa (2013) A population genetics-based approach reveals candidate gene regions important inthe determination of resistance specificity for the Pik family of rice blast resistance genes. J Gen Plant Pathol J Gen Plant Pathol 79:178-181.

Wang, YP, C. Bounphanousay, K. Kanyavong, I. Nakamura, Y-I. Sato, T. Sato, H-S. Zhang, L-H Tang , R. Ishikawa (2012) Population structural analysis of an in-situ conservation site for wild rice in Laos Genes Genet. Syst. 87:311-322. 


Laboratory

You can check our laboratory in our web site by following web address.

http://nature.cc.hirosaki-u.ac.jp/lab/1/plantbrd/genetics.html


Keyword :
1.22.2019 update

Ryuji Ishikawa

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