Genome-wide identification of <i>SMALL AUXIN UP RNA (SAUR)</i> gene family and its expression profiles in response to abiotic stress and auxin in tea plants (<i>Camellia sinensis</i>).

ABSTRACT: Tea plant (Camellia sinensis (L.) O. Kuntze) is particularly vulnerable to abiotic stresses, with impacts on its growth and the production of bioactive compounds. SMALL AUXIN UP RNA (SAUR) genes, the largest family of early auxin-responsive genes, regulate plant growth and abiotic stress responses. However, their roles in tea plant remain unknown. In this study, we conducted a comprehensive genome-wide analysis of CsSAURs, including phylogenetic relationships, gene structure, chromosomal distribution, duplication events, motif composition, cis-elements, and gene ontology (GO) annotations. Expression profiles were examined using transcriptome data and validated by qRT-PCR. A total of 97 CsSAURs were identified and classified into eight phylogenetic groups,

SUBMITTER: Wang Y 

PROVIDER: S-EPMC12863155 | biostudies-literature | 2026

REPOSITORIES: biostudies-literature