ArticlePlant biotechnology journal2021
Evolutionary and functional analysis of two-component system in chickpea reveals CaRR13, a TypeB RR, as positive regulator of symbiosis.
Article in Plant biotechnology journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 32 citations in OpenAlex.
- Exploring the Genetic Landscape of Histidine Phosphotransfer Proteins in the Oryza Genus.Molecular biotechnology · 2026Article
- Genome-wide identification and expression analysis of two-component system genes in switchgrass (Panicum virgatum L.).BMC plant biology · 2024Article
- Critical compromise: Trade-off between symbiosis and water uptake.Plant physiology · 2024Article
- Omics-assisted characterization of two-component system genes fromFrontiers in plant science · 2023Article
- Structure and character analysis of cotton response regulator genes family reveals that GhRR7 responses to draught stress.Biological research · 2022Article
- Overexpression ofGenes · 2022Article
- Omics Path to Increasing Productivity in Less-Studied Crops Under Changing Climate-Lentil a Case Study.Frontiers in plant science · 2022Review
- Evolutionary and functional analysis of two-component system in chickpea reveals CaRR13, a TypeB RR, as positive regulator of symbiosis.Plant biotechnology journal · 2021Article
- Effective Use of Water in Crop Plants in Dryland Agriculture: Implications of Reactive Oxygen Species and Antioxidative System.Frontiers in plant science · 2021Review
- Two-Component System Genes inFrontiers in genetics · 2021Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The critical role of cytokinin in early nodulation in legumes is well known. In our study, exogenous cytokinin application to roots of the important crop legume, chickpea (Cicer arietinum L.), led to the formation of pseudo-nodules even in the absence of rhizobia. Hence, a genome-wide analysis of the cytokinin signalling, two-component system (TCS) genes, was conducted in chickpea, Medicago and Cajanus cajan. The integrated phylogenetic, evolutionary and expression analysis of the TCS genes was carried out, which revealed that histidine kinases (HKs) were highly conserved, whereas there was diversification leading to neofunctionalization at the level of response regulators (RRs) especially the TypeB RRs. Further, the functional role of the CaHKs in nodulation was established by complementation of the sln1Δ mutant of yeast and cre1 mutants of (Medicago) which led to restoration of the nodule-deficient phenotype. Additionally, the highest expressing TypeB RR of chickpea, CaRR13, was functionally characterized. Its localization in the nucleus and its Y1H assay-based interaction with the promoter of the early nodulation gene CaNSP2 indicated its role as a transcription factor regulating early nodulation. Overexpression, RNAi lines and complementation of cre1 mutants with CaRR13 revealed its critical involvement as an important signalling molecule regulating early events of nodule organogenesis in chickpea.
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