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Identification of the Genes Involved in Stomatal Development via Epidermal Phenotype Scoring
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SPEECHLESS Speaks Loudly in Stomatal Development.

Liang Chen1, Zhongliang Wu1, Suiwen Hou1

  • 1Key Laboratory of Cell Activities and Stress Adaptations, Ministry of Education, School of Life Sciences, Lanzhou University, Lanzhou, China.

Frontiers in Plant Science
|March 11, 2020
PubMed
Summary
This summary is machine-generated.

SPEECHLESS (SPCH) is a key transcription factor regulating plant stomatal development. This review highlights SPCH

Keywords:
SPCHstomatal developmentstomatal differentiatationstomatal lineagestomatal patterning

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Area of Science:

  • Plant Biology
  • Developmental Biology
  • Genetics

Background:

  • Stomata are crucial plant pores regulating gas exchange, vital for physiology and ecology.
  • Stomatal development is a complex process influenced by various signals.
  • The transcription factor SPEECHLESS (SPCH) has emerged as a central regulator.

Purpose of the Study:

  • To review the SPCH-mediated regulation of stomatal development.
  • To emphasize SPCH's role as a molecular hub integrating developmental signals.

Main Methods:

  • Literature review of studies on SPCH and stomatal development.
  • Analysis of gene expression patterns and signaling pathways involving SPCH.

Main Results:

  • SPCH initiates stomatal development by controlling cell fate and asymmetric division.
  • SPCH integrates hormonal, environmental, and intralineage signals.
  • SPCH expression is spatiotemporally regulated to ensure proper stomatal patterning.

Conclusions:

  • SPCH is indispensable for stomatal development, acting as a central molecular hub.
  • Understanding SPCH regulation provides insights into plant adaptation and evolution.
  • Further research on SPCH can inform strategies for crop improvement.