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Related Experiment Videos

Short and Solid Culm/RFL/APO2 for culm development in rice.

Juan Wang1,2, Ruci Wang1, Yueming Wang1

  • 1State Key Laboratory of Plant Genomics and National Plant Gene Research Center, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China.

The Plant Journal : for Cell and Molecular Biology
|April 4, 2017
PubMed
Summary
This summary is machine-generated.

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Rice culm development involves elongation and medullary cavity (MC) formation. The SHORT and SOLID CULM (SSC) gene regulates both, impacting plant architecture and potentially improving rice crops.

Area of Science:

  • Plant Biology
  • Genetics
  • Agricultural Science

Background:

  • Rice culm development is crucial for plant architecture, involving elongation and medullary cavity (MC) formation.
  • While factors affecting culm elongation are known, molecules regulating MC formation are unidentified.

Purpose of the Study:

  • To identify molecules involved in rice medullary cavity (MC) formation.
  • To elucidate the role of the SHORT and SOLID CULM (SSC) gene in rice culm development.

Main Methods:

  • Analysis of a point mutation in the SHORT and SOLID CULM (SSC) gene.
  • Transcriptomic analysis of the ssc mutant background.
  • Genetic analysis using GA-accumulating mutation (eui).

Main Results:

Keywords:
short and solid culmculm elongationmedullary cavity formationrice (Oryza sativa L)

Related Experiment Videos

  • The ssc mutation drastically reduced rice culm length and abolished MC formation.
  • SSC regulates culm elongation via gibberellin (GA) homeostasis and MC formation via the KNOX pathway.
  • Enhanced SSC expression decreased plant height and MC size.

Conclusions:

  • SSC plays a dual role in rice culm development, regulating both elongation and MC formation.
  • Manipulating SSC offers a strategy for improving rice plant architecture and crop yield.
  • SSC's function in MC formation is possibly mediated through the KNOX pathway.