Who begets whom? Plant cell fate determination by asymmetric cell division

Colette A. ten Hove*, Renze Heidstra

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

34 Citations (Scopus)

Abstract

Asymmetric cell division generates cell types with different fates. Recent studies have improved our understanding of the molecular mechanisms involved in asymmetric cell division in Arabidopsis thaliana. Genetic approaches have identified candidate intrinsic factors and signaling components that mediate extrinsic cues. WOX genes appear to be putative intrinsic determinants acting in early embryonic asymmetric divisions. A non-canonical mechanism involving specific SHORT ROOT (SHR)-SCARECROW (SCR) nuclear complexes is implicated in ground tissue asymmetric divisions. Asymmetric stem cell division requires extrinsic organizer signaling, whereas the involvement of intrinsic stem cell segregants is unknown. Finally, new studies on stomatal development have identified several intrinsic acting factors that specify cell fate and an extrinsic signaling cascade that controls the number and plane of asymmetric divisions.

Original languageEnglish
Pages (from-to)34-41
Number of pages8
JournalCurrent Opinion in Plant Biology
Volume11
Issue number1
DOIs
Publication statusPublished - Feb 2008
Externally publishedYes

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