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相关概念视频

Development of Human Microbiota01:30

Development of Human Microbiota

The human microbiota begins developing at birth and undergoes continual change as we age. Infancy marks a critical period of microbial sensitivity, offering a “window of opportunity” during which beneficial microbes help mature the immune system. By age three, children typically develop a more stable and diverse microbial community. Newborns acquire microbes from their immediate environment; vaginal delivery favors maternal vaginal microbes, while cesarean births favor microbes from the skin...
Development of the Oral Microbiota01:28

Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...

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相关实验视频

Updated: May 13, 2026

A Tuberculosis Molecular Bacterial Load Assay TB-MBLA
10:41

A Tuberculosis Molecular Bacterial Load Assay TB-MBLA

Published on: April 30, 2020

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在美中的细菌负载.

Wen-Yu Jin1,2, Jing Peng3, Jinping Dai3

  • 1The Center for Microbes, Development and Health, Shanghai Institute of Immunity and Infection Chinese Academy of Sciences Shanghai China.

iMeta
|June 13, 2024
PubMed
概括
此摘要是机器生成的。

新生儿的肠道细菌组成受到72小时内分娩方式的显著影响. 对和便样本的定量分析显示,根据出生方式,细菌的丰度不同.

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A Neonatal Imaging Model of Gram-Negative Bacterial Sepsis
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Last Updated: May 13, 2026

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科学领域:

  • 微生物学 微生物学
  • 新生儿健康 新生儿健康
  • 肠道微生物组研究研究

背景情况:

  • 早期的肠道微生物组在婴儿的健康和发育中起着至关重要的作用.
  • 了解婴儿肠道最初的殖民是识别潜在健康风险的必要条件.

研究的目的:

  • 量化分析新生儿和二次通行便中的细菌丰度.
  • 调查传递方式对早期肠道细菌组成的影响.

主要方法:

  • 利用尖入等离子体方法进行细菌的相对和绝对量化.
  • 分析了17个美和17个第二通便样本.

主要成果:

  • 绝对细菌的丰度是1.14 × 10^7副本/g在美和1.59 × 10^9副本/g在第二通便.
  • 在出生后72小时内观察到肠道细菌的显著变化和组成差异.

结论:

  • 分娩方式是影响新生儿肠道细菌组成和变化的重要因素.
  • 早期的肠道微生物组发育是动态的,受到环境因素的影响,例如分娩方式.