对肠道乳酸菌中载体的生物信息分析
Uyen Huynh1, Hazel N Nguyen1, Brittany K Trinh1
1Department of Chemistry, University of Houston, Houston, TX 77204, USA.
Metallomics : integrated biometal science
|July 18, 2023
概括
肠道细菌中的载体对健康至关重要. 这项研究确定了Lactobacillaceae中常见的吸收和排泄基因,揭示了未来研究的属性特征.
科学领域:
- 微生物学 微生物学
- 生物信息学是一种生物信息学.
- 分子生物学分子生物学
背景情况:
- 对于所有生命是必不可少的,需要通过金属运输蛋白通过精确的细胞和生物调节.
- 虽然在模型细菌中研究了运输,但它在肠道共生物中仍然未被充分探索,例如Lactobacillaceae.
- 乳酸菌种的丰富性与饮食中的和铁有关,但它们的平衡机制尚不清楚.
研究的目的:
- 用生物信息学识别和比较主要肠道乳杆菌家族 (Lactobacillaceae) 属中预测的吸收和排泄蛋白.
- 建立对这些有益的肠道细菌中运输系统的基本理解.
主要方法:
- 来自选定的乳酸菌家族属的蛋白质组的生物信息分析.
- 基于蛋白质序列的同质性搜索与已知的运输蛋白家族对比.
- 对已识别的传送基因及其域特征进行比较分析.
主要成果:
- 最初在UniProt数据库中注释了少数乳杆菌族的载体.
- 同源性搜索揭示了高亲和度ABC转运基因的广泛存在,通常具有属性特定的域变异.
- 预测的P型ATPase载体和流动的阴离子扩散促进体也被确定为几种类型.
结论:
- 乳酸菌中含有多种转运基因的同类基因,对它们的生存和肠道功能至关重要.
- 已识别的转运基因为未来对这些细菌中平衡的实验研究提供了基础.
- 了解Lactobacillaceae中的运输可以提供对肠道健康和宿主微生物相互作用的见解.
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