4.7 Article

Genome-Wide Identification and Analysis of Catharanthus roseus Receptor-like Kinase 1-like Proteins in Eggplant

Journal

PLANTS-BASEL
Volume 12, Issue 19, Pages -

Publisher

MDPI
DOI: 10.3390/plants12193379

Keywords

Catharanthus roseus receptor-like kinase 1-like protein; eggplant; gene family; expression analysis

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In this study, the first genome-wide identification and analysis of CrRLK1L proteins in eggplant were conducted using state-of-the-art genomic data. A total of 32 CrRLK1L proteins were identified and analyzed in eggplant, and they were found to possess typical features of CrRLK1Ls. Subcellular localization prediction showed that these proteins mostly localized on the plasma membrane. Promoter analysis suggests that eggplant CrRLK1Ls may be involved in plant hormone signaling, host-pathogen interactions, and environmental responses. Transcriptomic gene expression analysis indicated that eggplant CrRLK1Ls may be involved in the resistance response of eggplant to Botrytis cinerea.
As an important member of the plant receptor-like kinases, Catharanthus roseus receptor-like kinase 1-like (CrRLK1L) plays vital roles in plant growth and development, as well as biotic and abiotic stress response. Numerous CrRLK1Ls have been identified and analyzed in various plant species, while our knowledge about eggplant (Solanum melongena L.) CrRLK1Ls is still scarce. Utilizing state-of-the-art genomic data, we conducted the first genome-wide identification and analysis of CrRLK1L proteins in eggplant. In this study, 32 CrRLK1L proteins were identified and analyzed in eggplant. A subsequent gene structure and protein domain analysis showed that the identified eggplant CrRLK1Ls possessed typical features of CrRLK1Ls. A subcellular localization prediction demonstrated that these proteins mostly localized on the plasma membrane. A collinearity analysis showed that some eggplant CrRLK1L genes had predicted intraspecies or interspecies evolutionary duplication events. Promoter analysis suggests that eggplant CrRLK1Ls may be involved in plant hormone signaling, host-pathogen interactions, and environmental responses. Based on transcriptomic gene expression analysis, it is indicated that eggplant CrRLK1Ls may be involved in the resistance response of eggplant to Botrytis cinerea. Together, these results will give us a theoretical foundation and guidance for elaborating the biological functions of CrRLK1Ls in eggplant growth, development, and resistance response.

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