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. 2021 Jun;193(6):1675-1687.
doi: 10.1007/s12010-021-03535-7. Epub 2021 Mar 3.

Phylogeny, Biofilm Production, and Antimicrobial Properties of Fecal Microbial Communities of Adi Tribes of Arunachal Pradesh, India

Parijat Hazarika  1 , Indranil Chattopadhyay  2 , Mika Umpo  3 , Yashmin Choudhury  4 , Indu Sharma  5
Affiliations

Phylogeny, Biofilm Production, and Antimicrobial Properties of Fecal Microbial Communities of Adi Tribes of Arunachal Pradesh, India

Parijat Hazarika et al. Appl Biochem Biotechnol. 2021 Jun.

Abstract

The fecal flora consists of trillions of bacteria influencing human health and several host factors. Such population-based fecal flora studies are critical to uplift the health status of ethnic tribes from Arunachal Pradesh. This study aimed to analyze the ethnic tribe's biofilm producing antibiotic resistant bacteria and their phyllogenetic analysis in 15 stool samples collected from Adi tribes of Arunachal Pradesh. Of the analyzed samples, 42.85% were Escherichia, 20% lactic acid bacteria, 20% Salmonella, and 17.14% Enterococcus. Escherichia coli, lactic acid bacteria, and Enterococcus sp. emerged as strong biofilm producers; however, Salmonella declined to exhibit characters for a strong biofilm producer. Tetracycline resistance dominated in all the gut bacterial profiles. The 16SrRNA amplified PCR product was used for sequencing, and a phylogenetic tree was constructed exhibiting the relationship between the isolates. The test sequences were compared with the non-redundant Gene bank collection of the database with the Basic Local Alignment Search Tool.

Keywords: 16SrRNA sequencing; Adi tribe; Antibiotic resistance; Arunachal Pradesh; Phylogenetic.

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