从母猪到后代猪的古老组成和甲基生成功能的追踪调查
Qu Chen1, Wentao Lyu1, Chenglin Pan1
1State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, China.
The Science of the total environment
|April 6, 2024
概括
猪肠骨质的组成和功能随饮食和年龄而变化. 富含纤维的饮食促进产生的细菌,影响甲生成,并可能减少猪的甲排放.
科学领域:
- 微生物生态学 微生物生态学
- 动物科学动物科学
- 生物地质化学生物地质化学
背景情况:
- 古代生物对肠道生态系统至关重要,影响宿主健康和生物地化学循环.
- 在减少甲排放和提高料效率方面,猪肠道古生物学研究至关重要.
- 猪肠道古老菌的发育和功能转变仍未得到充分研究.
研究的目的:
- 调查猪肠中的古生物的发育和功能变化.
- 了解饮食对考古社区和猪甲基生成的影响.
- 确定减轻甲排放和改善猪肠道健康的策略.
主要方法:
- 来自不同生命阶段的父母和后代猪的162个便样本的元基因组测序.
- 组装和分析14个古老的非冗余元基因组组装基因组 (MAGs).
- 考古成分,甲基生成和食纤维/粉分解之间的相关性分析.
主要成果:
- 识别了属于Methanobacteriota和Thermoplasmatota类的古生物,包括Methanobrevibacter和Methanosphaera等属.
- 甲基生成主要是由变性途径驱动的,饮食变化显著改变了考古社区.
- 高纤维饮食增加了产生的细菌,而甲生成与纤维正相关,与粉分解负相关.
结论:
- 食纤维显著影响猪肠道的古老组成和甲基生成.
- 替代的吸收途径可能会减少猪的甲生成.
- 研究结果为制定减少甲排放和改善猪健康和料效率的战略提供了洞察力.
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