基因潜力与代谢调节和表达在微生物有机物中的脱,在微生物群中分裂
Zihao Zhao1, Federico Baltar1, Gerhard J Herndl1,2,3
1Department of Functional and Evolutionary Ecology, Bio-Oceanography Unit, University of Vienna, Vienna, Austria.
Microbiology spectrum
|March 21, 2024
概括
微生物酶的功能在不同的环境中有所不同. 多omics研究表明,环境因素,不仅仅是基因,控制酶表达,影响生态系统过程.
科学领域:
- 微生物生态学 微生物生态学
- 生物化学 生物化学
- 环境科学 环境科学
背景情况:
- 多种omics方法 (metagenomics,metatranscriptomics,metaproteomics) 对于理解微生物的能力至关重要.
- 在不同的生态系统中,微生物遗传潜力与表达的蛋白质,特别是分泌的酶之间的关系仍然未被充分探索.
研究的目的:
- 通过使用多种omics在多种微生物群 (海洋,土壤,人类肠道) 中比较微生物分泌酶配置文件.
- 研究关键酶如碳水化合物活性酶 (CAZymes) 和酶的遗传潜力和蛋白质表达之间的脱.
- 在不断变化的环境中识别影响微生物适应和细胞外酶表达的因素.
主要方法:
- 对海洋,土壤和人类肠道微生物组中的酶进行比较的多组学分析 (元基因组学,元转录组学,元蛋白组学).
- 专注于参与生物分子分裂的碳水化合物活性酶 (CAZymes) 和酶.
- 纳入分类学,功能,基质特异性和酶活性数据.
主要成果:
- 在不同微生物组中观察到微生物分泌CAZyme和酶社区结构和功能的显著变化,在所有奥米克级别.
- 显而易见的是,元基因组潜力和表达的转录/蛋白之间的脱,表明了环境过.
- 基质来源,度和固化度被确定为细胞外酶表达的强有力的驱动因素,通常会覆盖遗传潜力.
结论:
- 微生物分泌酶的组成和功能在各个生态系统中存在显著差异.
- 环境因素,特别是基质的可用性,在调节微生物酶表达方面发挥着至关重要的作用.
- 综合的多学科分析对于准确地将微生物功能与生态系统过程联系起来,以及理解适应是必不可少的.
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