在肠道微生物群中基质特异性的化学蛋白质分析与肠道微生物群相关的胆盐水解酶
Lin Han1, Augustus Pendleton2, Adarsh Singh3
1Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, USA.
Cell chemical biology
|June 18, 2024
概括
研究人员确定了肠道细菌酶,胆盐化酶 (BSH),这些酶修饰胆酸. 这一发现揭示了微生物酶如何影响宿主新陈代谢,并可能影响炎症性疾病.
科学领域:
- 微生物学 微生物学
- 生物化学 生物化学
- 代谢学 代谢学 代谢学
背景情况:
- 肠道微生物组合成了对人类健康至关重要的代谢物.
- 胆汁酸是参与新陈代谢和免疫力的关键代谢物.
- 胆盐化酶 (BSH) 是一种关键的肠道微生物酶,控制宿主胆酸池.
研究的目的:
- 为了识别与肠道微生物群相关的BSH及其基质偏好.
- 了解微生物酶如何促进宿主胆酸池的多样性.
- 探索BSHs在炎症疾病病因中的作用.
主要方法:
- 系统生物化学方法.
- 使用基于活动的探测器.
- 微生物酶的化学蛋白质分析.
主要成果:
- 确定了与肠道微生物群相关的BSH,具有明显的基质偏好.
- 证明不同的微生物有助于宿主胆酸池的多样性.
- 建立了一种分析BSH活动和基质特异性的方法.
结论:
- 微生物BSH在塑造宿主胆酸池中发挥着重要作用.
- 了解BSH活性是理解胆酸代谢的关键.
- 这种方法可以阐明二次胆酸代谢和炎症性疾病之间的联系.
关键词:
基于活动的探测器探测器.基于活动的蛋白质分析.胆汁酸 胆汁酸 胆汁酸胆汁盐酸酸酶是一种胆汁盐.化学微生物学 化学微生物学化学蛋白质组学化学组学胆甘氨酸酸酶是什么?点击化学,然后点击化学.我们的肠道微生物组.形态保护学与形态保护学更多相关视频
10:05Bile Salt-induced Biofilm Formation in Enteric Pathogens: Techniques for Identification and Quantification
Published on: May 6, 2018
12.5K
09:47The Determination of Protease Specificity in Mouse Tissue Extracts by MALDI-TOF Mass Spectrometry: Manipulating PH to Cause Specificity Changes
Published on: May 25, 2018
6.8K
相关概念视频
Serum Laboratory Studies, Stool Test, Breath Test
Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
Special Staining Techniques
Specialized staining techniques play a vital role in microbiology by enabling the visualization of specific bacterial structures that remain undetectable with standard microscopy methods. These techniques not only enhance the structural visualization of bacterial cells but also provide critical insights into their pathogenicity and classification. Additionally, they support diagnostic and research endeavors in microbiology by identifying key bacterial features.Capsule Staining for Virulence...
Microbiota of the Stomach and Small Intestine
The human gastrointestinal (GI) tract is characterized by distinct physicochemical conditions that shape its microbial communities. Among these, the stomach presents a particularly challenging environment for microbial colonization due to its highly acidic pH, ranging from 1 to 3. This extreme acidity effectively limits microbial density. However, certain acid-tolerant microorganisms are capable of surviving in this niche. Notably, Helicobacter pylori can colonize the gastric mucosa,...
