Divergence of evolutionary ways among common sym genes: CASTOR and CCaMK show functional conservation between two symbiosis systems and constitute the root of a common signaling pathway

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Serval ID
serval:BIB_41AB15ECDA32
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Divergence of evolutionary ways among common sym genes: CASTOR and CCaMK show functional conservation between two symbiosis systems and constitute the root of a common signaling pathway
Journal
Plant and Cell Physiology
Author(s)
Banba M., Gutjahr C., Miyao A., Hirochika H., Paszkowski U., Kouchi H., Imaizumi-Anraku H.
ISSN
1471-9053 (Electronic)
ISSN-L
0032-0781
Publication state
Published
Issued date
2008
Volume
49
Number
11
Pages
1659-1671
Language
english
Notes
Publication types: Journal Article ; Research Support, Non-U.S. Gov't
Publication Status: ppublish
Abstract
In recent years a number of legume genes involved in root nodule (RN) symbiosis have been identified in the model legumes, Lotus japonicus (Lotus) and Medicago truncatula. Among them, a distinct set of genes has been categorized as a common symbiosis pathway (CSP), because they are also essential for another mutual interaction, the arbuscular mycorrhiza (AM) symbiosis, which is evolutionarily older than the RN symbiosis and is widely distributed in the plant kingdom. Based on the concept that the legume RN symbiosis has evolved from the ancient AM symbiosis, one issue is whether the CSP is functionally conserved between non-nodulating plants, such as rice, and nodulating legumes. We identified three rice CSP gene orthologs, OsCASTOR, OsPOLLUX and OsCCaMK, and demonstrated the indispensable roles of OsPOLLUX and OsCCaMK in rice AM symbiosis. Interestingly, molecular transfection of either OsCASTOR or OsCCaMK could fully complement symbiosis defects in the corresponding Lotus mutant lines for both the AM and RN symbioses. Our results not only provide a conserved genetic basis for the AM symbiosis between rice and Lotus, but also indicate that the core of the CSP has been well conserved during the evolution of RN symbiosis. Through evolution, CASTOR and CCaMK have remained as the molecular basis for the maintenance of CSP functions in the two symbiosis systems.
Keywords
Calcium-Calmodulin-Dependent Protein Kinases/genetics, Calcium-Calmodulin-Dependent Protein Kinases/metabolism, DNA, Plant/genetics, Loteae/genetics, Loteae/metabolism, Loteae/microbiology, Mycorrhizae/physiology, Oryza/genetics, Oryza/metabolism, Oryza/microbiology, Plant Proteins/genetics, Plant Proteins/metabolism, Root Nodules, Plant/genetics, Root Nodules, Plant/metabolism
Pubmed
Web of science
Open Access
Yes
Create date
13/07/2018 10:00
Last modification date
25/09/2019 7:09
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