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尿苷二磷酸糖基转移酶(UDP-glycosyltransferase, UGT)是植物次生代谢途径中具有高度功能多样性的酶类，其通过催化糖基转移反应调控花色苷、萜类及酚类化合物的生物合成，进而直接影响园林植物的观赏性状与生态适应性。系统梳理了UGT基因家族在基因功能、分子进化及育种应用领域的研究进展，重点探讨其在叶色修饰、花香合成与抗逆调控中的分子机制。比较基因组学分析表明，不同园林植物谱系中UGT基因家族经历了谱系特异性扩张与分化选择，共同塑造了化学表型多样性。UGT基因的未来研究方向涵盖构建功能网络、抗逆育种和生物合成工程等，展示了其在未来精准育种与合成生物学中的重要潜力与广阔前景。
Abstract：Uridine diphosphate glycosyltransferases(UGT) are a plant secondary-metabolic superfamily exhibiting high functional diversity; by catalyzing glycosyl-transfer reactions they channel flavonoids, terpenoids and phenolics into stable, soluble and bioactive forms, thereby directly governing ornamental coloration, floral fragrance emission and stress tolerance of landscape plants.Here we systematically review UGT gene-family advances in gene function, molecular evolution and breeding exploitation, with emphasis on the molecular mechanisms in leaf color modification, floral scent synthesis, and stress resistance regulation.Comparative genomics across ornamental taxa reveals lineage-specific expansions and divergent selection that shape chemotypic diversity.Future directions including the construction of UGT-centric functional networks underscore the substantial potential and broad prospects of UGT genes in precision breeding and synthetic biology.
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基本信息:
中图分类号:S688
引用信息:
[1]钱泽源,张亮生.尿苷二磷酸糖基转移酶在园林植物观赏性状中的功能研究进展[J].安徽农业科学,2026,54(08):17-22+31.
基金信息:
国家自然科学基金项目(32272750)
2025-09-19
2025
2025-10-15
2025-10-21
2025
1
2026-04-28
2026-04-28