兽类学报 ›› 2026, Vol. 46 ›› Issue (2): 278-286.DOI: 10.16829/j.slxb.151006
孙雨婷, 杨东东, 李印虎, 巩匆然, 胡罕, 苏丽娜, 李佩韦, 刘艳, 张洪锋, 吴晓民(
)
收稿日期:2024-08-28
接受日期:2025-02-20
出版日期:2026-03-30
发布日期:2026-03-06
通讯作者:
吴晓民
作者简介:孙雨婷(1983- ),女,博士,主要从事野生动物保护与利用研究.
基金资助:
Yuting SUN, Dongdong YANG, Yinhu LI, Congran GONG, Han HU, Lina SU, Peiwei LI, Yan LIU, Hongfeng ZHANG, Xiaomin WU(
)
Received:2024-08-28
Accepted:2025-02-20
Online:2026-03-30
Published:2026-03-06
Contact:
Xiaomin WU
摘要:
肠道菌群在宿主的生理稳态中起着至关重要的作用,受多种因素的影响。本研究运用16S rDNA高通量测序和生物信息学方法对雄性和雌性藏羚(Pantholops hodgsonii)肠道菌群组成及多样性进行分析。结果表明:雌性藏羚获得6 896个OTUs,雄性藏羚获得5 609个OTUs,二者共有2 650个OTUs。在α多样性分析中雌性藏羚的肠道菌群丰富度显著高于雄性藏羚(P < 0.05)。厚壁菌门(Firmicutes)和拟杆菌门(Bacteroidota)为雌雄性藏羚优势菌门。气单胞菌属(Aeromonas)、假单胞菌属(Pseudomonas)、甲基杆菌属(Methylobacterium)等12个菌属在雄性藏羚肠道中的丰度显著高于雌性(P < 0.05),而Ruminococcaceae_UCG、阿克曼氏菌属(Akkermansia)、消化球菌属(Peptococcus)等16个菌属在雌性藏羚肠道中的丰度显著高于雄性(P < 0.05)。主坐标分析两组之间的群落结构组成存在明显分离,雌性的样本重复性好于雄性。菌群功能预测分析发现,藏羚肠道微生物群主要参与碳水化合物代谢、氨基酸代谢、辅酶因子和维生素代谢、萜类和多酮类代谢,此外,未发现雌性和雄性之间有显著差异的代谢通路。本研究探讨了藏羚肠道微生物组成与性别的关系,为深入理解藏羚对高原极端环境的适应性进化机制提供了参考。
中图分类号:
孙雨婷, 杨东东, 李印虎, 巩匆然, 胡罕, 苏丽娜, 李佩韦, 刘艳, 张洪锋, 吴晓民. 不同性别藏羚肠道菌群分析[J]. 兽类学报, 2026, 46(2): 278-286.
Yuting SUN, Dongdong YANG, Yinhu LI, Congran GONG, Han HU, Lina SU, Peiwei LI, Yan LIU, Hongfeng ZHANG, Xiaomin WU. Effect of sex on the gut microbiota of Tibetan antelopes[J]. ACTA THERIOLOGICA SINICA, 2026, 46(2): 278-286.
图1 不同性别藏羚肠道菌群OTUs分布韦恩图. F:雌性藏羚组;M:雄性藏羚组
Fig. 1 The Veen diagram of OTUs distribution of gut microbial in Tibetan antelope of different sexes. F: Female group; M: Male group
图3 不同性别藏羚肠道微生物α多样性分析. F:雌性藏羚组;M:雄性藏羚组
Fig. 3 Analysis of gut microbial Alpha diversity in Tibetan antelope of different sexes. F: Female group; M: Male group
图4 不同性别藏羚肠道菌群门(A)和属(B)水平下相对丰度.F:雌性藏羚组;M:雄性藏羚组
Fig.4 Relative abundance of gut microbial in Tibetan antelope of different sexes at phylum (A) and genus (B) level. F: Female group; M: Male group
图5 不同性别藏羚肠道微生物LEfSe分析. F:雌性藏羚组;M:雄性藏羚组
Fig.5 LEfSe analysis of gut microbial community in Tibetan antelope of different sexes. F: Female group; M: Male group
图7 不同性别藏羚肠道物微生物群落功能预测. F:雌性藏羚组;M:雄性藏羚组
Fig.7 The predicted gut bacterial function of Tibetan antelopes from different sex. F: Female group; M: Male group
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