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相关概念视频

Microorganisms in Agriculture and Food industry01:27

Microorganisms in Agriculture and Food industry

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Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
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What is Monogastric Digestion?01:50

What is Monogastric Digestion?

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The human body contains a monogastric digestive system. In a monogastric digestive system, the stomach only contains one chamber in which it digests food. Several other animal species also have monogastric digestive systems, including pigs, horses, dogs, and birds. This chapter, however, focuses on the human digestive system.
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Anatomy of the Intestines01:23

Anatomy of the Intestines

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Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
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A human-specific genetic modifier reconfigures large-scale cortical network dynamics underlying behavioral performance.

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<i>Staphylococcus aureus</i> uses a eukaryotic-like uridyltransferase to make UDP-GlcNAc for cell wall synthesis.

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Dynamic redistribution of eIF4F controls cap-dependent translation initiation.

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相关实验视频

Updated: Jul 24, 2025

Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing
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Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing

Published on: October 15, 2019

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处理和储存方法影响口腔和肠道微生物组的组成.

Dorothy K Superdock, Wei Zhang, Angela C Poole

    bioRxiv : the preprint server for biology
    |July 3, 2023
    PubMed
    概括
    此摘要是机器生成的。

    微生物组样本处理对微生物多样性产生影响. 解热化便,新鲜的唾液和牙上游物样本显示出最高的多样性,为一致的微生物组研究提供了关键的见解.

    科学领域:

    • 微生物学 微生物学
    • 基因组学就是基因组学.

    更多相关视频

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    An In Vitro Batch-culture Model to Estimate the Effects of Interventional Regimens on Human Fecal Microbiota
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  • 生物信息学是一种生物信息学.

    • 背景情况:

    • 微生物组研究依赖于16S rRNA基因测序进行微生物组成分析.
    • 不一致的样本存储和处理方法可以引入变化并影响研究结果.
    • 预分析方法的标准化对于可靠和可比的微生物组数据至关重要.

    结论:

    • 样品处理显著影响微生物群的多样性和组成.
    • 建议对便样本进行冷化,对于口腔样本进行特定分量,以保持多样性.
    • 标准化预分析工作流程对于减轻混因素和改善微生物组研究的跨研究可比性至关重要.