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1998 Fiscal Year Final Research Report Summary

GENETIC DISSECTION OF SEXUAL DIFFERENTIATION AND POLLINATION

Research Project

Project/Area Number 07281102
Research Category

Grant-in-Aid for Scientific Research on Priority Areas (A)

Allocation TypeSingle-year Grants
Research InstitutionTohoku University

Principal Investigator

HINATA Kokichi  Emeritus Professor, 農学部, 名誉教授 (00005589)

Co-Investigator(Kenkyū-buntansha) TORIYAMA Kinya  Tohoku University, Grad. School Agri. Sci., Associate Professor, 農学部, 助教授 (20183882)
KOMEDA Yoshibumi  Hokkaido University, Grad. School Sci, Professor, 大学院・理学研究科, 教授 (10124215)
ISOGAI Akira  Nara Insti. Sci. & Tech., Grad. School Biol Sci., Professor, バイオ, 教授 (20011992)
NAGATO Yasuo  University of Tokyo, Grad. School Agri. & Life Sci., Professor, 大学院・農学生命科学, 教授 (10143413)
KAMADA Hiroshi  University of Tsukuba, Insti. Biol. Sci., Professor, 生物, 教授 (00169608)
Project Period (FY) 1999
KeywordsHigher plants / Sexual differentiation / Pollination / Fertilization / Pollen / Flower / Self-incompatibility / Embryo
Research Abstract

The aim of this project is to elucidate the mechanism of sexual reproduction system of higher plants by means of dissection of genes. We have been focusing on two major projects organizing two project teams investigating process of differentiation and development of sexual organs (A team), and process of pollination and fertilization (B team). Supervisor committee was also organized in order to plan, execute and evaluate the two project teams.
The most prominent progress is made in the following study : Inflorescence formation, sex chromosomes, meiosis, pollen-specific genes, pollen allergen, cytoplasmic male sterility, S-locus genes, recognition of self and nonself pollen, X-ray analysis of S-RNase, embryo formation and somatic embryo genesis.
The supervisor committee organized joint meeting of A team and B team twice a year for presenting the progress reports of each project. The meeting of supervisor committee was also held twice. We published the newsletter 10 times a year and helped to exchange information. We also organized symposium and workshop on the special topics of sexual reproduction system, and meeting of young researchers, each once a year. These projects greatly accelerated to organize the collaborative projects and to publish the results of many joint researches.
We have published the progress reports consisting of two volumes (570 and 589 page-book), that include the summary, list of all publications, and selected reprints resulting from tins study.

  • Research Products

    (16 results)

All Other

All Publications (16 results)

  • [Publications] Hatakeyama, K., Watanabe, M., Takasaki, T., Ojima, K. and Hinata, K.: "Dominance relationships between S-alleles in self-incompatible Brassica campestris L."Heredity. 79. 241-247 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hatakeyama, K., Takasaki, T., Watanabe, M. and Hinata, K.: "Molecular characterization of S locus genes, SLG and SRK, in a pollen-recessive self-incompatibility haplotype of Brassica rapa L."Genetics. 194. 1587-1597 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Yokoyama, R., Takahashi, T., Kato, A., Torii K.U. and Komeda Y.: "The Arabidopsis ERECTA gene is expressed in the shoot apical meristem and organ primordia"The Plant Journal. 15. 301-310 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Toriyama, K., Hanaoka, K., Okada, T., Watanabe, M.: "Molecular cloning of a cDNA encoding a pollen extracellular protein as a potential source of a pollen allergen in Brassica rapa"FEBS Let. 424. 234-238 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Tachikawa,Y., Saitou,T., Kamada H. and Harada, H.: "Changes in protein pattern during stress-induction of carrot (Daucus carota L.) somatic embryogenesis"Plant Bioptechnology. 15. 17-22 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Takahashi, M., Nagasawa, N., Kitano, H. and Nagato, Y.: "Panicle phytomer 1 mutations affect the panicle architecture of rice"Theoret. Appl. Genet.. 96. 1050-1056 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Akashi, K., Takenaka, M., Yamaoka, S., Suyama, Y., Fukuzawa, H. and Ohyama, K.: "Coexisitence of nuclear DNA-encoded tRNAVal(AAC) and mitochondrial DNA-encoded tRNAVal(UAC) in mitochondria of liverwort Marchantia polymorpha"Nucl. Acids Res.. 26. 2168-2172 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Iwano, M., Sakamoto, K., Suzuki G., Watanabe, M., Takayama, S., Fukui, K., Hianata, K. and Isogai, A.: "Visualization of a self-incompatibility gene in Brassica campestris L. multicolor FISH"Theor. Appl. Genet. 751-757. 96. 751-757 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Natakeyama K, Watanabe M, Takasaki T, Ojima K, Hinata K: "Dominance relationship between S-alleles in self-incompatible Brassica campestris L"Heridity. 79. 241-247 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Harakeyama K, Takasaki T, Watanabe M, Hinata K: "Molecular characterzation of S locus genes, LG and SRK, in a pollen-recessive self-incompatibility haplotype of Brassica rapa L"Genetics. 194. 1587-1597 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yakoyama R, Takasaki T, ato A, Toni K, Komeda Y: "The Arabidopsis ERECTA gene is expressed in the shoot apical meristem and organ primordia"Plant J. 15. 301-310 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Toriyama K, Hanaoka K, Okada T, Watanabe M: "Molecular cloning of a c DNA encoding a pollen extracelluar protein as a potential source of a pollen allergen in Brassica rapa"FEBS Let. 424. 234-238 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tachikawa Y, Saitou T, Kamada H, Harada: "Changes in protein pattern during stress-induction of carrot (Daucus carota L.) somatic embryogenesis"Plant Biol. 15. 1050-1056 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Takahashi M, Nagasawa N, Kitano H, Nagato: "Panicle phytomer 1 mutations affect the panicle architecture of rice"Theoret Appl Genet. 96. 1050-1056 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Akashi K, Takenaka M, Yamaoka S, Suyama Y, Fukuzawa H, Ohyama K: "Coexistence of nuclear DNA-encoded tRNAVal (ACC) and mitochndrial DNA-encoded tRNAVal (UAC) uin mirochndria of liverwort Marchantia polymorpha"Nucl. Aciods Res. 26. 2168-2172 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Iwano M, Sakamoto K, Suzuki C, Watanabe M, Takayama S. Fukui K, Hinata K, Isogai A: "FVisualization of a self-incompatibility gene in Brassica campestris L. by multicolor FISH"Theoret Appl Genet. 96. 751-757 (1998)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2001-10-23  

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