对菌中NUDIX酶的分析揭示了以前未知的多样性
Zofia Pasterny1,2, Drishtee Barua1,3, Eugenio Mancera1,4
1Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5 A, Warsaw, 02-106, Poland.
BMC genomics
|July 2, 2025
概括
在183个蛋白质组中分析了真菌NUDIX水解酶,揭示了13个新的亚家族. 这项综合性研究扩大了对这些多功能酶及其潜在生物作用的理解.
科学领域:
- 生物化学 生物化学
- 分子生物学分子生物学
- 菌类学 菌类学是指菌类学.
背景情况:
- NUDIX超级家族包括各种水解酶,它们在细胞过程中起着至关重要的作用.
- 菌NUDIX蛋白质多样性在很大程度上没有特征,知识仅限于酵母.
- 在183个蛋白质组中对真菌NUDIX水解酶进行了系统分析.
研究的目的:
- 在真菌中全面分析NUDIX水解酶的多样性和进化关系.
- 在真菌基因组中识别新的NUDIX亚家族.
- 为未来对真菌NUDIX酶的实验性表征提供基础.
主要方法:
- 对183种真菌物种进行了全蛋白质组的基分析.
- 遗传学分析和序列聚类,以分组NUDIX酶.
- 结构比较和分子对接以预测基质相互作用.
主要成果:
- 在真菌中确定了六个已知的NUDIX家族的成员,在Glomeromycota中丰富.
- 遗传学分析揭示了25种真菌NUDIX亚家族,其中包括13种新鲜的.
- 结构分析证实了典型的NUDIX折叠,分子对接表明Ap3A和Ap4A是潜在的基质.
结论:
- 本研究提供了真菌NUDIX水解酶的全面视图,详细介绍了它们的序列和结构关系.
- 鉴定出13个新的亚家族显著扩大了已知的真菌NUDIX酶的多样性.
- 这些发现为未来研究这些真菌水解酶的特定生物功能提供了路线图.
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