ArticleBMC plant biology2021
Genome-wide identification and evolutionary analysis of RLKs involved in the response to aluminium stress in peanut.
Article in BMC plant biology, 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, 21 citations in OpenAlex.
- Genome-wide exploration and characterization of the RALFs and analysis of its role in peanut (Arachis hypogaea L.).BMC plant biology · 2025Article
- A Genome-Wide Characterization of Receptor-like Cytoplasmic Kinase IV Subfamily Members inPlants (Basel, Switzerland) · 2024Article
- Major components of RNAi gene families inHeliyon · 2024Article
- Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
- Genome-Wide Comprehensive Identification andGenetics research · 2024Article
- An update on evolutionary, structural, and functional studies of receptor-like kinases in plants.Frontiers in plant science · 2024Review
- Phylogeny of the plant receptor-like kinase (RLK) gene family and expression analysis of wheat RLK genes in response to biotic and abiotic stresses.BMC genomics · 2023Article
- Receptor-like Kinases (LRR-RLKs) in Response of Plants to Biotic and Abiotic Stresses.Plants (Basel, Switzerland) · 2022Review
- Genome-wide identification, evolutionary and expression analyses of LEA gene family in peanut (Arachis hypogaea L.).BMC plant biology · 2022Article
- Genome-wide identification and analysis of theFrontiers in plant science · 2022Article
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7 authors at 1 institution in 1 country.
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Abstract
backgroundAs an important cash crop, the yield of peanut is influenced by soil acidification and pathogen infection. Receptor-like protein kinases play important roles in plant growth, development and stress responses. However, little is known about the number, location, structure, molecular phylogeny, and expression of RLKs in peanut, and no comprehensive analysis of RLKs in the Al stress response in peanuts have been reported.
resultsA total of 1311 AhRLKs were identified from the peanut genome. The AhLRR-RLKs and AhLecRLKs were further divided into 24 and 35 subfamilies, respectively. The AhRLKs were randomly distributed across all 20 chromosomes in the peanut. Among these AhRLKs, 9.53% and 61.78% originated from tandem duplications and segmental duplications, respectively. The ka/ks ratios of 96.97% (96/99) of tandem duplication gene pairs and 98.78% (646/654) of segmental duplication gene pairs were less than 1. Among the tested tandem duplication clusters, there were 28 gene conversion events. Moreover, all total of 90 Al-responsive AhRLKs were identified by mining transcriptome data, and they were divided into 7 groups. Most of the Al-responsive AhRLKs that clustered together had similar motifs and evolutionarily conserved structures. The gene expression patterns of these genes in different tissues were further analysed, and tissue-specifically expressed genes, including 14 root-specific Al-responsive AhRLKs were found. In addition, all 90 Al-responsive AhRLKs which were distributed unevenly in the subfamilies of AhRLKs, showed different expression patterns between the two peanut varieties (Al-sensitive and Al-tolerant) under Al stress.
conclusionsIn this study, we analysed the RLK gene family in the peanut genome. Segmental duplication events were the main driving force for AhRLK evolution, and most AhRLKs subject to purifying selection. A total of 90 genes were identified as Al-responsive AhRLKs, and the classification, conserved motifs, structures, tissue expression patterns and predicted functions of Al-responsive AhRLKs were further analysed and discussed, revealing their putative roles. This study provides a better understanding of the structures and functions of AhRLKs and Al-responsive AhRLKs.
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