I. Registration of new gene symbols

T. KINOSHITA, Convener

In accordance with rule 7, the following gene symbols were registered after an examination for priority and validity, with the assistance of coordinators for respective traits.


  • GENE SYMBOL REGISTRATION No. 47


    Registrant: Itsuro Takamure and Toshiro Kinoshita (Fac. Agr. Hokkaido University, Sapporo, Japan)

    Gene Symbol: mls-3 (t)

    Gene name: malformed spikelet-3

    Character expression: Abnormalities of lemma and palea, Low temperature sensitive

    Name of original line: Mutant-1

    Origin: Spontaneous mutation

    Gene locus: Chromosome 4

    Remark: F2 segregation data are reported.

    Reference: Takamure, I. and T. Kinoshita, 1992. RGN 9: 85-88.



  • GENE SYMBOL REGISTRATION No. 48

    Registrant: Masahiro Yano (Hokuriku Agr. Exp. Station, Joetsu, Japan) and Naoto Shibuya (National Inst. Agro-Biol. Resources, Tsukuba, Japan)

    Gene symbol: Man

    Gene name: Mannan in endosperm cell wall

    Character expression: Accumulation of mannan (glucomannan) in endosperm cell wall

    Name of original line: Kasalath

    Gene locus: Chromosome 9

    Remark: Data on BC1 segregation and RFLP mapping are reported.

    References: Yano, M., R. Zamorsky, A. Saito and N. Shibuya, 1993. (RGN 10, Res. Note 27)



  • GENE SYMBOL REGISTRATION No. 49

    Registrant: Masahiko Maekawa (Fac. Agr. Hokkaido University, Sapporo,Japan)

    Gene symbol: shp-5 (t)

    Gene name: sheathed panicle-5

    Character expression: Panicle dose not exert. Reduced number of tillers, round shape of spikelet and hairy glumes are accompanied with sheathed panicle.

    Name of original line: MA-87486

    Gene locus: Chromosome 4

    Origin: NMU-induced mutation from Shlokari

    Remark: F2 segregation data are reported.

    Reference: Maekawa, M. and T. Inukai 1992. Japan. J. Breed. 42 (Suppl. 2): 212-213.



  • GENE SYMBOL REGISTRATION No. 50

    Registrant: Osamu Ideta, Atsushi Yoshimura, Tadayuki Matsumoto, Hiroshi Tsunematsu, Hikaru Satoh and Nobuo Iwata (Fac. Agr. Kyushu University, Fukuoka, Japan)

    Gene symbol: spl-10

    Gene name: spotted leaf-10

    Character expression: Yellow or brown spots on leaves

    Name of original line: CM 226

    Origin: Mutant induced by a treatment of N-metyl-N- nitrosourea from Kinmaze

    Gene locus: Chromosome 10

    Remark: F2 segregations and linkage data are reported.

    Reference: Ideta, O., A. Yoshimura, T. Matsumoto, H. Tsunematsu, H. Satoh and N. Iwata 1993. (RGN 10, Res. Note 18)



  • GENE SYMBOL REGISTRATION No. 51

    Registrant: Izumi Ohshima and Fumio Kikuchi (Inst. Agr. and Forest. Univ. of Tsukuba, Ibaraki, Tsukuba, Japan)

    Gene symbol: Se-4 (t)

    Gene name: Photosensitivity-4 Character expression: Weak response to photoperiod in Nanjing 11

    Name of original line: Naming 11 from China

    Remark: Data on F2 segregation from a cross between Nanjing 11 and Culture 340 and photoperiod responses of F3 lines are reported.

    Reference: Ohshima, I., F. Kikuchi, Y. Watanabe and C. Asahi 1993. Japan. J. Breed. 43: 101-106.



  • GENE SYMBOL REGISTRATION No. 52

    Registrant: Masao Yokoo (Nati. Food Res. Inst., Tsukuba, Japan) and Kazutoshi Okuno (Natl. Inst. Agro-Biol. Resources, Tsukuba, Japan)

    Gene Symbol: Se-5 (t)

    Gene name: Earliness due to the loss of photoperiod sensitivity

    Character expression: Earlier by 46 days than the original cultivar Norin 8 under natural long-day

    Name of original line: HM-1

    Origin: An early-heading mutant induced from Norin 8 by X-ray irradiation

    Gene locus: Chromosome 6

    Remark: Yellowish green leaf is expressed as a pleiotropy of Se-5 (t).

    Reference: Yokoo, M. and K. Okuno 1993. Japan. J. Breed. 43: 1-11.



  • GENE SYMBOL REGISTRATION No. 53

    Registrant: Seiji Yanagihara, Jiaming Wan, Hiroshi Kato and Hiroshi Ikehashi (Fac. Hort. Chiba University, Chiba, Japan)

    Gene Symbol: S-8

    Gene name: Hybrid sterility-8

    Character expression: Semi-sterility is expressed as an allelic interaction such as S-8yp/S-8kn

    Name of original line: Yeong Pung (S-8yp), Ketan Nangka (S-8kn and Akihikari (S-8n)

    Gene locus: Chromosome 6

    Remark: Data on F1 fertility and F2 segregation due to triple crosses are reported.

    Reference: Yanagihara, S., J. Wan, H. Kato and H. Ikehashi 1992b. Japan. J. Breed. 42 (Suppl. 2): 216-217.



  • GENE SYMBOL REGISTRATION No. 54

    Registrant: Jiaming Wan, Seiji Yanagihara, Hiroshi Kato and Hiroshi Ikehashi (Fac. Hort. Chiba University, Chiba, Japan)

    Gene Symbol: S-9

    Gene name: Hybrid sterility-9

    Character expression: Semi-sterility is expressed as an allelic interaction such as S-9i/S-9kn

    Name of original line: N 22 (S-9i), Ketan nangka (S-9kn) and Akamai (S-9n)

    Gene locus: Chromosome 4

    Remark: Data on F1 fertility and F2 segregation due to triple crosses are reported.

    Reference: Wan, J., S. Yanagihara, H. Kato and H. Ikehashi 1993. Japan. J. Breed. 43 (Suppl. 1): 146.



  • GENE SYMBOL REGISTRATION No. 55

    Registrant: Yoshio Sano (National Institute of Genetics, Mishima, Japan)

    Gene Symbol: S-10

    Gene name: Hybrid sterility-10

    Character expression: Gametic elimination due to an allelic interaction such as S-10/S-10a

    Name of original line: Taichung 65 wx

    Origin: A near-isogenic line of Taichung 65 with wx

    Gene locus: Chromosome 6, tightly linked with wx

    Remark: Data on backcross generation are reported.

    Reference: Sano, Y., M. Eiguchi and H.-Y. Hirano 1992. Japan. J. Breed. 42 (Suppi. 2): 454-455.



  • GENE SYMBOL REGISTRATION No. 56

    Registrant: Shaoyang Lin and Hiroshi Ikehashi (Fac. Hort. Chiba University, Chiba, Japan)

    Gene Symbol: ga-11

    Gene name: gamatophyte-11

    Character expression: Distored segregation due to selective fertilization caused by ga-11, ga-11a

    Name of original line: IR36, IR50 etc. (ga-11a) Akihikari, Akamal (ga-11+)

    Gene locus: Chromosome 7

    Remark: F2 segregation patterns of the marker (Est-9) linked with ga-11 are reported.

    Reference: Lin, S. and H. Ikehashi 1993. Euphytica 67: 35-40.



  • GENE SYMBOL REGISTRATION No. 57

    Registrant: Masahiko Maekawa (Fac. Agr. Hokkaido University, Sapporo Japan)

    Gene symbol: ga-12

    Gene name: gamatophyte-12

    Character expression: Distored segregation due to selective fertilization caused by ga-12

    Name of original line: MA-87486

    Gene locus: Chromosome 4

    Origin: NMU-induced mutation from Shiokari

    Remark: F2 segregation patterns of markers (d-2, shp-5(t)) linked with ga-12 are reported.

    Reference: Maekawa, M. and T. Inukai 1992. Japan. J. Breed. 42