Mycoplasmataceae dominate microbial community differences between gut regions in mammals with a simple gut architecture

被引:0
|
作者
Swanson, Mark T. [1 ,2 ]
Henson, Michael W. [3 ]
Handika, Heru [1 ,2 ]
Achmadi, Anang S. [4 ]
Anita, Syahfitri [4 ]
Rowe, Kevin C. [5 ,6 ]
Esselstyn, Jacob A. [1 ,2 ]
机构
[1] Louisiana State Univ, Museum Nat Sci, 119 Foster Hall, Baton Rouge, LA 70803 USA
[2] Louisiana State Univ, Dept Biol Sci, 119 Foster Hall, Baton Rouge, LA 70803 USA
[3] Univ Chicago, Dept Geophys Sci, Chicago, IL 60616 USA
[4] Natl Res & Innovat Agcy BRIN, Res Org Life Sci & Environm, Res Ctr Biosystemat & Evolut, Museum Zool Bogoriense, Cibinong 16912, Indonesia
[5] Museums Victoria Res Inst, Sci Dept, GPO Box 666, Melbourne, Vic 3001, Australia
[6] Univ Melbourne, Sch Biosci, Melbourne, Vic 3052, Australia
基金
美国国家科学基金会;
关键词
Eulipotyphla; Hafnia; host-microbe; microbial ecology; Soricidae; Ureaplasma; interaksi mamalia-mikroba inang-mikroba; ekologi mikrobial mikroba; celurut; RIBOSOMAL-RNA GENE; SHREW; BIOLOGY; SILVA;
D O I
10.1093/jmammal/gyac098
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
Faunivorous mammals with simple guts are thought to rely primarily on endogenously produced enzymes to digest food, in part because they lack fermentation chambers for facilitating mutualistic interactions with microbes. However, variation in microbial community composition along the length of the gastrointestinal tract has yet to be assessed in faunivorous species with simple guts. We tested for differences in bacterial taxon abundances and community compositions between the small intestines and colons of 26 individuals representing four species of shrew in the genus Crocidura. We sampled these hosts from a single locality on Sulawesi Island, Indonesia, to control for potential geographic and temporal variation. Bacterial community composition differed significantly between the two gut regions and members of the family Mycoplasmataceae contributed substantially to these differences. Three operational taxonomic units (OTUs) of an unclassified genus in this family were more abundant in the small intestine, whereas 1 OTU of genus Ureaplasma was more abundant in the colon. Species of Ureaplasma encode an enzyme that degrades urea, a metabolic byproduct of protein catabolism. Additionally, a Hafnia-Obesumbacterium OTU, a genus known to produce chitinase in bat gastrointestinal tracts, was also more abundant in the colon compared to the small intestine. The presence of putative chitinase- and urease-producing bacteria in shrew guts suggests mutualisms with microorganisms play a role in facilitating the protein-rich, faunivorous diets of simple gut mammals.
引用
收藏
页码:146 / 158
页数:13
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