Temporal and spatial variation of fermentation function, microbiota characteristics and expression of VFAs transporter genes in the ruminant stomach of Tibetan sheep during different phenological phase

IF 3 2区生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Genomics Pub Date : 2025-07-21 DOI:10.1016/j.ygeno.2025.111090

Wei Huang , Yuzhu Sha , Xiu Liu , Yanyu He , Xiaowei Chen , Wenxin Yang , Qianling Chen , Min Gao , Jiqing Wang , Lei Wang , Bin Ma

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引用次数: 0

Abstract

The gut microbiota in Tibetan sheep's ruminant stomach varies across phenological phases, influencing nutrient absorption and adaptation. During the green grass period, acetic, propionic, and butyric acid concentrations in the rumen were higher than in the regreening and withered grass periods (P < 0.05). MCT1 expression peaked during regreening. Bacteroidetes dominated during the withered grass period (P < 0.01), with Rikenellaceae_RC9_gut_group and Prevotella most abundant in the rumen. Spatially, rumen VFA concentrations and MCT1 expression were significantly higher than in other stomachs (P < 0.05). Bacteroidetes, Prevotella and Rikenellaceae_RC9_gut_group were dominant across the ruminant stomach. Correlations between microbiota, VFAs, and transport genes highlight the interplay of fermentation, flora, and gene expression, crucial for Tibetan sheep's adaptation to the plateau environment.

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不同物候期藏羊反刍胃发酵功能、微生物群特征及VFAs转运基因表达的时空变化

藏羊反刍动物胃内肠道菌群在不同物候阶段存在差异，影响营养物质的吸收和适应。绿草期瘤胃乙酸、丙酸和丁酸浓度均高于绿草期和枯草期(P

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来源期刊

Genomics 生物-生物工程与应用微生物

CiteScore

9.60

自引率

2.30%

发文量

260

审稿时长

60 days

期刊介绍： Genomics is a forum for describing the development of genome-scale technologies and their application to all areas of biological investigation. As a journal that has evolved with the field that carries its name, Genomics focuses on the development and application of cutting-edge methods, addressing fundamental questions with potential interest to a wide audience. Our aim is to publish the highest quality research and to provide authors with rapid, fair and accurate review and publication of manuscripts falling within our scope.