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Directed Differentiation of Primitive and Definitive Hematopoietic Progenitors from Human Pluripotent Stem Cells
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Founder cell specification.

John W Chandler1

  • 1Institute of Developmental Biology, Cologne Biocenter, Cologne University, Zuelpicher Strasse 47b, D-50674 Cologne, Germany. John.Chandler@uni-koeln.de

Trends in Plant Science
|September 20, 2011
PubMed
Summary
This summary is machine-generated.

Lateral organ formation begins with specifying founder cells. Auxin is crucial, but other signals and their interplay are vital for plant organogenesis.

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Area of Science:

  • Plant biology
  • Developmental biology
  • Genetics

Background:

  • Lateral organs originate from meristems or specific cell positions.
  • Founder cell specification is the initial step in organogenesis.
  • Auxin is a known signal in organ specification, but its role and interaction with other signals are complex.

Purpose of the Study:

  • To review progress in understanding signals for founder cell specification.
  • To outline complexities in positional information perception during organ initiation.
  • To highlight the interplay of multiple signals in plant development.

Main Methods:

  • Literature review of plant organogenesis research.
  • Analysis of signaling pathways in lateral organ formation.
  • Synthesis of current understanding on positional information and cell competencies.

Main Results:

  • Auxin is necessary but not solely sufficient for founder cell specification.
  • Multiple signaling pathways interact to regulate organ initiation.
  • Positional information perception is context-dependent and requires coordinated cellular competencies.

Conclusions:

  • Founder cell specification involves a complex network of signals beyond auxin.
  • Understanding the interplay of signals and positional cues is key to deciphering plant organogenesis.
  • Future research should focus on the coordination of cellular competencies for precise organ development.