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CrRLK1L receptor-like kinases: not just another brick in the wall


Lindner, Heike; Müller, Lena Maria; Boisson-Dernier, Aurélien; Grossniklaus, Ueli (2012). CrRLK1L receptor-like kinases: not just another brick in the wall. Current Opinion in Plant Biology, 15(6):659-669.

Abstract

In plants, receptor-like kinases regulate many processes during reproductive and vegetative development. The Arabidopsis subfamily of Catharanthus roseus RLK1-like kinases (CrRLK1Ls) comprises 17 members with a putative extracellular carbohydrate-binding malectin-like domain. Only little is known about the functions of these proteins, although mutant analyses revealed a role during cell elongation, polarized growth, and fertilization. However, the molecular nature of the underlying signal transduction cascades remains largely unknown. CrRLK1L proteins are also involved in biotic and abiotic stress responses. It is likely that carbohydrate-rich ligands transmit a signal, which could originate from cell wall components, an arriving pollen tube, or a pathogen attack. Thus, post-translational modifications could be crucial for CrRLK1L signal transduction and ligand binding.

Abstract

In plants, receptor-like kinases regulate many processes during reproductive and vegetative development. The Arabidopsis subfamily of Catharanthus roseus RLK1-like kinases (CrRLK1Ls) comprises 17 members with a putative extracellular carbohydrate-binding malectin-like domain. Only little is known about the functions of these proteins, although mutant analyses revealed a role during cell elongation, polarized growth, and fertilization. However, the molecular nature of the underlying signal transduction cascades remains largely unknown. CrRLK1L proteins are also involved in biotic and abiotic stress responses. It is likely that carbohydrate-rich ligands transmit a signal, which could originate from cell wall components, an arriving pollen tube, or a pathogen attack. Thus, post-translational modifications could be crucial for CrRLK1L signal transduction and ligand binding.

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Additional indexing

Item Type:Journal Article, refereed, further contribution
Communities & Collections:07 Faculty of Science > Department of Plant and Microbial Biology
07 Faculty of Science > Zurich-Basel Plant Science Center
Dewey Decimal Classification:580 Plants (Botany)
Language:English
Date:2012
Deposited On:22 Feb 2013 14:49
Last Modified:05 Apr 2016 16:32
Publisher:Elsevier
ISSN:1369-5266
Publisher DOI:https://doi.org/10.1016/j.pbi.2012.07.003
PubMed ID:22884521

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