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ArticleCurrent microbiology2024

Complete Genome Sequence and In Vitro Probiotic Assessment of Bacillus subtilis DC-11 Isolated from Traditionally Fermented Idli Batter.

Deepti N Chaudhari, Jayesh J Ahire, Amit A Kulthe, Sujata Ghodke

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Article in Current microbiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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2citing papers in PubMed
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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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2 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Deepti N ChaudhariMIT School of Food Technology, MIT-ADT University, Pune, 412201, India.
Jayesh J AhireDr. Reddy's Laboratories Limited, Ameerpet, Hyderabad, 500016, India. jjahire@gmail.com.ORCID http://orcid.org/0000-0002-1142-8630
Amit A KultheMIT School of Food Technology, MIT-ADT University, Pune, 412201, India.
Sujata GhodkeMIT School of Food Technology, MIT-ADT University, Pune, 412201, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In this study, we reported in vitro probiotic assessment and complete genome sequence of Bacillus subtilis DC-11 isolated from traditionally fermented Idli Batter. The strain was evaluated for probiotic properties, biofilm formation, and antimicrobial compound production. The phenotypic safety was determined by accessing the strain's ability to produce enterotoxins, degrade mucin, and antibiotic sensitivity. Whole genome sequencing (WGS) was performed to identify the strain and determine genetic safety by analyzing the presence of plasmids, antibiotic resistance genes, and virulence factors. In the results, B. subtilis DC-11 showed 88.98% viability in gastric juice, and 98.60% viability in intestinal juice. It showed 18.33 ± 0.44% autoaggregation, 32.53 ± 3.11% adhesion to xylene, 0.98 ± 0.05 OD unit's adhesion to mucin (crystal violet equivalence at 550 nm), 21.2 ± 2.3% adhesion to Caco-2 cells, and - 22.3 ± 0.65 mV zeta potential. The highest co-aggregation was recorded with Escherichia coli (23.62 ± 0.70%). The strain was found negative for enterotoxin production, mucin degradation, and antibiotic resistance to the commonly used therapeutic antibiotics. It formed a good biofilm and capable of producing antimicrobial peptide subtilosin A with a molecular mass of 3400 Da. The peptide has inhibited the growth of methicillin-resistant Staphylococcus aureus (18.6 ± 0.58 mm). In genetic safety, no plasmids, antibiotic-resistant genes, and virulence factors were detected. Moreover, the strain showed close similarity with B. subtilis ATCC 6051 and proteins involved in probiotic attributes. In conclusion, B. subtilis DC-11 is safe potential probiotic candidate.

Indexed as

Bacillus subtilisBiofilmsGenome, BacterialProbioticsWhole Genome SequencingAnti-Bacterial AgentsBacterial AdhesionCaco-2 CellsFermentationFermented FoodsHumansVirulence FactorsAnti-Bacterial AgentsVirulence Factors

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.