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The variation in inflorescence architecture of flowering-cherries, and its clarification by expression analysis of FT/TFL1/CEN homologous genes

Research Project

Project/Area Number 26850017
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Horticultural science
Research InstitutionShimane University

Principal Investigator

ESUMI Tomoya  島根大学, 生物資源科学部, 准教授 (30548764)

Research Collaborator TADA Yasuhiro  
YOSHIBAYASHI Ryuta  
SUEHIRO Yuka  
ITAMURA Hiroyuki  
SHIRASAWA Kenta  
Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords花序形態 / 花芽分化 / 花数 / 花序軸伸長 / サクラゲノム / 遺伝子発現解析
Outline of Final Research Achievements

The variety of flowering-cherries show various inflorescence architectures, which is one of the important traits affecting their ornamental quality. The size and structure of each inflorescence of 140 flowering-cherry cultivars were investigated at full-bloom stage. The inflorescence architecture diverged widely from corymb to umbel. The inflorescence size of each cultivar was related to the blooming date of each. The first step of inflorescence development was observed at the floral differentiation stage when flower primordia were initiated in the bud. The expression of some of FT/TFL1/CEN homologous genes were detected in inflorescence tissues, however the relationship between these gene expression and morphological variation couldn't be elucidated.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (3 results)

All 2016 2014

All Presentation (3 results) (of which Int'l Joint Research: 2 results)

  • [Presentation] Phenotyping of inflorescence morphology for flowering-cherry 'Sakura' genetic resource2016

    • Author(s)
      Tomoya Esumi, Yasuhiro Tada, Hiroyuki Itamura
    • Organizer
      8th International Rosaceae Genomics Conference
    • Place of Presentation
      Angers, France
    • Year and Date
      2016-06-21
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Phenotyping of inflorescence morphology for flowering-cherry ‘Sakura’ genetic resource2016

    • Author(s)
      Tomoya ESUMI, Yasuhiro TADA, and Hiroyuki, ITAMURA
    • Organizer
      8th International Rosaceae Genomics Conference
    • Place of Presentation
      Angers, FRANCE
    • Year and Date
      2016-06-21
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Development and Flowering-related Gene Expressions in Inflorescence and Peduncles of Japanese Flowering-cherries2014

    • Author(s)
      Tomoya Esumi, Ryuta Yoshibayashi, Yuka Suehiro, Hiroyuki Itamura
    • Organizer
      7th International Rosaceae Genomics Conference
    • Place of Presentation
      シアトル, USA
    • Year and Date
      2014-06-24 – 2014-06-26
    • Related Report
      2014 Research-status Report

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Published: 2014-04-04   Modified: 2018-03-22  

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