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Current Bioinformatics

Editor-in-Chief

ISSN (Print): 1574-8936
ISSN (Online): 2212-392X

Research Article

Using Bioinformatics to Quantify the Variability and Diversity of the Microbial Community Structure in Pond Ecosystems of a Subtropical Catchment

Author(s): Jiaogen Zhou*, Yang Wang and Qiuliang Lei

Volume 15, Issue 10, 2020

Page: [1178 - 1186] Pages: 9

DOI: 10.2174/1574893615999200422120819

Price: $65

Abstract

Background: In rural China, many natural water bodies and farmlands have been converted into fish farming ponds as an economic developmental strategy. There is still a limited understanding of how the diversity and structure of microbial communities change in nature and become managed fish pond ecosystems.

Objective: We aimed to identify the changes of the diversity and structure of microbial community and driving mechanism in pond ecosystems.

Methods: The datasets of 16S rRNA amplicon sequencing and the concentrations of N and P fractions were achieved in water samples of pond ecosystems. Bioinformatics analysis was used to analyze the diversity and structure of the microbial communities.

Results: Our results indicated that the diversity and structure of the microbial communities in the natural ponds were significantly different from ones in managed fish ponds. The nutrients of N and P and water environmental factors were responsible for 46.3% and 19.5% of the changes in the structure and diversity of the microbial community, respectively.

Conclusion: The N and P fractions and water environmental factors influenced the microbial community structure and diversity in pond ecosystems. Fish farming indirectly affected the microbial community by altering the contents of N and P fractions in water bodies of ponds, when a natural pond was converted into a managed fish pond.

Keywords: Functional diversity, microbial community, N and P fractions, OUT annotation, pond ecosystems, 16S rRNA amplicon sequencing, water quality.

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