Composition and diversity of rumen mycobiota in Jiani yaks (Bos grunniens jiani): insights into microbial ecology and functions
文献类型： 外文期刊
作者： Cidan, Yangji 1 ; Wang, Jia 3 ; Wang, Hongzhuang 1 ; Xu, Chang 3 ; Zhu, Yanbin 1 ; Khan, Muhammad Kasib 4 ; Basang, Wangdui 1 ; Li, Kun 3 ;
作者机构： 1.State Key Lab Hulless Barley & Yak Germplasm Resou, Lhasa, Peoples R China
2.Tibet Acad Agr & Anim Husb Sci, Inst Anim Husb & Vet Med, Lhasa, Peoples R China
3.Nanjing Agr Univ, Coll Vet Med, Nanjing, Peoples R China
4.Univ Agr Faisalabad, Dept Parasitol, Faisalabad, Pakistan
关键词： Yak; rib; gut; microbiota; mycobiota; ITS sequencing
期刊名称：ANIMAL BIOTECHNOLOGY （ 影响因子：1.8； 五年影响因子：2.0 ）
ISSN： 1049-5398
年卷期： 2025 年 36 卷 1 期
页码：
收录情况： SCI
摘要： This study aimed to explore the diversity and functions of rumen mycobiota in 14- (PLf) and 15-rib (DLf) Jiani yaks using ITS sequencing. A total of 1,079,105 and 1,086,799 filtered sequences were obtained for the PLf and DLf groups, respectively, with 491 ASVs common to both. No significant difference regarding the alpha-diversity of mycobiota within the two groups was observed. While beta-diversity analysis indicated that the abundance of fifteen (15) genera in the PLf group and two (2) genera in the DLf group was found to be significantly different (p < 0.05). 16S rRNA sequencing results indicated that at the phylum level, in 14 ribs yaks Ascomycota, Basidiomycota, and Olpidiomycota, while in 15 rib yaks, Neocallimastigomycota, Mortierellomycota, and Rozellomycota were found to be significantly different (p < 0.05). At the genus level, Rhodotorula, Kluyveromyces, Comoclathris, Arthrinium, Cladophialophora, Seimatosporium, Lambertella, and Sphacelotheca in 14 rib yaks, and Orpinomyces, Ustilago, Fusarium, Aspergillus, Caecomyces, Alternaria, Trichoderma and Acremonium in 15 rib yaks were found to be significantly (p < 0.05) different. Predictive functional analysis based on ruminal fungal DNA sequences from 15-rib yaks (DLf) demonstrated that genes involved in energy metabolism were upregulated. This study sheds novel insights into how genetic variations influence gut mycobiota in Jiani yak.
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