Genome-Wide Identification of the CrRLK1L Subfamily and Comparative Analysis of Its Role in the Legume-Rhizobia Symbiosis

The plant receptor-like-kinase subfamily CrRLK1L has been widely studied, and CrRLK1Ls have been described as crucial regulators in many processes in (L.), Heynh. Little is known, however, about the functions of these proteins in other plant species, including potential roles in symbiotic nodulation...

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Published in:Genes 2020-07, Vol.11 (7), p.793
Main Authors: Solis-Miranda, Jorge, Fonseca-García, Citlali, Nava, Noreide, Pacheco, Ronal, Quinto, Carmen
Format: Article
Language:English
Subjects:
Arabidopsis - genetics
Arabidopsis - metabolism
Cell division
Comparative analysis
Fabaceae - genetics
Fabaceae - metabolism
Flowers & plants
Gene expression
Gene Expression Regulation, Plant - genetics
Genomes
Kinases
Legumes
Localization
Nitrogen
Nodulation
Nodules
Peptides
Phaseolus - genetics
Phylogenetics
Phylogeny
Plant Proteins - genetics
Plant Roots - genetics
Plant Roots - microbiology
Protein structure
Proteins
Rhizobium - genetics
Rhizobium - metabolism
Root Nodules, Plant - genetics
Root Nodules, Plant - microbiology
Symbiosis
Symbiosis - genetics
Trees
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Summary:The plant receptor-like-kinase subfamily CrRLK1L has been widely studied, and CrRLK1Ls have been described as crucial regulators in many processes in (L.), Heynh. Little is known, however, about the functions of these proteins in other plant species, including potential roles in symbiotic nodulation. We performed a phylogenetic analysis of CrRLK1L subfamily receptors of 57 different plant species and identified 1050 CrRLK1L proteins, clustered into 11 clades. This analysis revealed that the CrRLK1L subfamily probably arose in plants during the transition from chlorophytes to embryophytes and has undergone several duplication events during its evolution. Among the of legumes and , protein structure, gene structure, and expression patterns were highly conserved. Some legume genes were active in nodules. A detailed analysis of eight nodule-expressed genes in L. showed that these genes were differentially expressed in roots at different stages of the symbiotic process. These data suggest that are both conserved and underwent diversification in a wide group of plants, and shed light on the roles of these genes in legume-rhizobia symbiosis.
ISSN:2073-4425
2073-4425
DOI:10.3390/genes11070793