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Curr Opin Plant Biol. 2008 Feb;11(1):75-81. Epub 2007 Dec 19.

Diverse and conserved roles of CLE peptides.

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  • 1University of Missouri, Division of Plant Sciences and Bond Life Sciences Center, Columbia, MO 65211, USA.


The function of plant CLAVATA3 (CLV3)/ENDOSPERM SURROUNDING REGION (ESR) (CLE) peptides in shoot meristem differentiation has been expanded in recent years to implicate roles in root growth and vascular development among different CLE family members. Recent evidence suggests that nematode pathogens within plant roots secrete ligand mimics of plant CLE peptides to modify selected host cells into multinucleate feeding sites. This discovery demonstrated an unprecedented adaptation of an animal gene product to functionally mimic a plant peptide involved in cellular signaling for parasitic benefit. This review highlights the diverse and conserved role of CLE peptides in these different contexts.

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