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| Identification and Expression Analysis of the Aldehyde Dehydrogenases (ALDHs) Superfamily in Tea Plant (Camellia sinensis) |
| LIU Dan-Dan, WANG Lei-Gang, SUN Ming-Hui, JIAO Xiao-Yu, RUAN Xu, WU Qiong, WANG Wen-Jie* |
| Tea Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230001, China |
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Abstract Aldehyde dehydrogenases (ALDHs) play an important role in aldehyde stabilization under abiotic stress in plants.The members of ALDH superfamily in tea plant (Camellia sinensis) were identified by bioinformatics methods, and the biological information such as physicochemical properties, chromosome localization, gene structure, promoter cis-acting elements and phylogenetic relationship of the encoded proteins were analyzed. The expression patterns of the CsALDH superfamily members under drought, salt, and cold stresses ware analyzed by qRT-PCR. The results showed that a total of 27 ALDH superfamily members were identified in the C. sinensis genome, and phylogenetic analyses classified them into 10 families. Family members exhibited comparable motif composition and gene structure. The co-linearity analysis indicated that CsALDHs genes underwent gene duplication events in the C. sinensis genome, which experienced purifying selective pressures.The qRT-PCR results showed that 8, 10 and 9 candidate CsALDHs genes were induced by PEG, NaCl and low temperature, respectively. In particular, CsALDH2B4 and CsALDH3H2 were significantly up-regulated. This study provides a theoretical foundation for further research on the functions of ALDH genes in tea plants.
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Received: 12 April 2024
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Corresponding Authors:
* wwj00@126.com
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