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16 S rRNA gene diversity and gut microbial composition of the Indian white shrimp (Penaeus indicus)
Antonie van Leeuwenhoek ( IF 1.8 ) Pub Date : 2021-09-18 , DOI: 10.1007/s10482-021-01658-9
Prasanna Kumar Patil 1 , Tharabenahalli Nagaraju Vinay 1 , Sudeep Darbhe Ghate 2 , Viswanathan Baskaran 1 , Satheesha Avunje 1
Affiliation  

The endemic Indian white shrimp (Penaeus indicus) is an economically important crustacean species, distributed in the Indo-West Pacific region. Knowledge of its gut microbial composition helps in dietary interventions to ensure improved health and production. Here we analyzed V3-V4 hypervariable regions of the 16 S rRNA gene to examine intestinal microbiota in wild and domesticated farmed P. indicus. The study revealed that Proteobacteria, Fusobacteria, Tenericutes, and Bacteroidetes, were the dominant phyla in both the groups although there were differences in relative abundance. The dominant genera in case of the wild group were Photobacterium (29.5 %) followed by Propionigenium (13.9 %), Hypnocyclicus (13.7 %) and Vibrio (11.1 %); while Vibrio (46.5 %), Catenococcus (14 %), Propionigenium (10.3 %) and Photobacterium (8.7 %) were dominant in the farmed group. The results of the study suggest the role of environment on the relative abundance of gut bacteria. This is the first report characterizing gut microbial diversity in P. indicus, which can be used to understand the role of gut microbiota in health, nutrition, reproduction, and growth.



中文翻译:

印度白虾(Penaeus indicus)的16 S rRNA基因多样性和肠道微生物组成

印度特有的白虾(Penaeus indicus)是一种重要的经济甲壳类动物,分布于印度-西太平洋地区。了解其肠道微生物组成有助于饮食干预,以确保改善健康和生产。在这里,我们分析了 16 S rRNA 基因的 V3-V4 高变区,以检查野生和驯化养殖的P. indicus 的肠道微生物群研究表明,变形菌门、梭菌门、细小菌门拟杆菌门是这两个组中的优势门,尽管相对丰度存在差异。野生组的优势属是光杆菌属(29.5%),其次是丙酸杆菌属(13.9 %)、催眠环菌(13.7 %) 和弧菌(11.1 %);而弧菌(46.5 %)、链球菌(14 %)、丙酸( 10.3 %) 和光细菌(8.7 %) 在养殖组中占优势。研究结果表明环境对肠道细菌相对丰度的影响。这是第一份描述印度假单胞菌肠道微生物多样性的报告,可用于了解肠道微生物群在健康、营养、繁殖和生长中的作用。

更新日期:2021-11-10
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