期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 23, 期 24, 页码 -出版社
MDPI
DOI: 10.3390/ijms232416156
关键词
fatty acyl reductases; cuticular wax; taproot wax; suberin; sporopollenin; biosynthesis; regulation
资金
- Natural Science Foundation of China
- [32070282]
This review provides a comprehensive overview of the structural, functional, and regulatory aspects of the fatty acyl reductase (FAR) enzyme family, which plays a crucial role in lipid synthesis in plants. The review also poses several unanswered questions, which serve as directions for future research.
Fatty acyl reductase (FAR) is a crucial enzyme that catalyzes the NADPH-dependent reduction of fatty acyl-CoA or acyl-ACP substrates to primary fatty alcohols, which in turn acts as intermediate metabolites or metabolic end products to participate in the formation of plant extracellular lipid protective barriers (e.g., cuticular wax, sporopollenin, suberin, and taproot wax). FARs are widely present across plant evolution processes and play conserved roles during lipid synthesis. In this review, we provide a comprehensive view of FAR family enzymes, including phylogenetic analysis, conserved structural domains, substrate specificity, subcellular localization, tissue-specific expression patterns, their varied functions in lipid biosynthesis, and the regulation mechanism of FAR activity. Finally, we pose several questions to be addressed, such as the roles of FARs in tryphine, the interactions between transcription factors (TFs) and FARs in various environments, and the identification of post-transcriptional, translational, and post-translational regulators.
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