养类型在模拟结肠模型中塑造婴儿肠道微生物群和代谢物概况
Cristiane Mori1, Christopher Pillidge1, Harsharn Gill1
1School of Science, RMIT University, Melbourne, VIC 3083, Australia.
Microorganisms
|February 27, 2026
概括
婴儿养类型显著影响肠道微生物群和代谢物. 与原始母乳相比,巴氏化母乳和配方促进了有益的Bifidobacterium和更高的短链脂肪酸.
科学领域:
- 婴儿营养和肠道微生物组研究.
- 微生物生态学和代谢学.
背景情况:
- 婴儿肠道微生物群的建立受养类型的影响.
- 人母乳 (HM) 和婴儿配方奶粉 (IF) 产生了不同的微生物特征.
研究的目的:
- 为了比较原始HM,消毒HM (Past-HM) 和婴儿配方奶粉 (IF) 对婴儿肠道微生物组成和代谢物产生的影响.
- 为了研究养类型对微生物多样性和短链脂肪酸 (SCFA) 概况在体外婴儿肠道模型中的影响.
主要方法:
- 使用了4阶段的体外婴儿肠道模型,用婴儿便样本接种.
- 采用定量聚合酶连锁反应 (qPCR) 和16S rRNA基因测序用于微生物分析.
- 使用气相色谱分析了短链脂肪酸 (SCFA) 配置文件.
主要成果:
- 食类型是影响微生物群和代谢物概况的主要因素.
- 过去的HM和基于山羊奶的IF (GIF) 促进了Bifidobacterium的主导地位和较高的SCFA总量,特别是酸,与原始HM相比.
- 在Bifidobacterium和酸,以及Escherichia-Shigella和酸之间观察到特定的相关性.
结论:
- 早期的养选择关键地直接婴儿肠道微生物的殖民和代谢活动.
- 与原始母乳相比,母乳的消毒可能会改变其对婴儿肠道微生物群发育的影响.
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