Analysis of the bacterial diversity in the Congjiang field carp’s intestine

doi:10.14088/j.cnki.issn0439-8114.2022.05.011

Abstract

Abstract: The intestinal bacterial community at three different stages in Congjiang field carp （1 d, 2 months,5 months） were sequenced and analyzed. The results showed that the RS1（1 d） and RS3 （5 months） group had higher bacterial diversity than the RS2 （2 months） group. At the phylum level,Firmicutes（33.43%）, Cyanobacteria （28.15%）,Proteobacteria（22.94%） and Bacteroidetes （9.79%） dominated the microbiota of the RS1. The intestinal bacterial community in RS2 was dominated by Proteobacteria （94.05%）, followed by Firmicutes （2.58%）, Fusobacteria （2.05%） and Actinobacteria （0.68%）. The dominant bacteria in RS3 group were Cyanobacteria （40.69%）, Proteobacteria （31.65%）, Fusobacteria （10.30%） and Firmicutes （8.89%）. At the genus level, The RS1 had high microbial diversity, with the highest abundance of unidentified Cyanobacteria （28.11%）, followed by Romboutsia （13.33%）, unidentified Clostridiales （8.37%） and Sphingomonas （4.62%）. Aeromonas （68.86%） had the highest relative abundance in the RS2. The intestinal bacterial community in RS3 was dominated by unidentified Cyanobacteria （40.63%）, followed by Aeromonas （12.41%） and Cetobacterium （10.20%）. The results showed that the the intestinal bacterial community of Congjiang field carp in the paddy field culture system changed significantly at different growth stages.

Key words: intestinal microflora, Congjiang field carp, diversity, high-throughput sequencing

CLC Number:

S917.4

LI Xiao-yi, SHEN Xiao-dong, ZHANG Xiao-ping, YANG Xing, GUAN Mei, WANG Xue. Analysis of the bacterial diversity in the Congjiang field carp’s intestine[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(5): 56-59.

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