Response of a new rumen-derived Bacillus licheniformis to different carbon sources

IntroductionBacillus licheniformis (B. licheniformis) is a microorganism with a wide range of probiotic properties and applications. Isolation and identification of novel strains is a major aspect of microbial research. Besides, different carbon sources have varying effects on B. licheniformis in re...

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Main Authors: Yuchen Cheng, Jie Zhang, Wenyi Ren, Lili Zhang, Xiaofeng Xu
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-11-01
Series:Frontiers in Microbiology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmicb.2023.1238767/full
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author Yuchen Cheng
Jie Zhang
Wenyi Ren
Lili Zhang
Xiaofeng Xu
author_facet Yuchen Cheng
Jie Zhang
Wenyi Ren
Lili Zhang
Xiaofeng Xu
author_sort Yuchen Cheng
collection DOAJ
description IntroductionBacillus licheniformis (B. licheniformis) is a microorganism with a wide range of probiotic properties and applications. Isolation and identification of novel strains is a major aspect of microbial research. Besides, different carbon sources have varying effects on B. licheniformis in regulating the microenvironment, and these mechanisms need to be investigated further.MethodsIn this study, we isolated and identified a new strain of B. licheniformis from bovine rumen fluid and named it B. licheniformis NXU98. The strain was treated with two distinct carbon sources—microcrystalline cellulose (MC) and cellobiose (CB). A combination of transcriptome and proteome analyses was used to investigate different carbon source effects.ResultsThe results showed that B. licheniformis NXU98 ABC transporter proteins, antibiotic synthesis, flagellar assembly, cellulase-related pathways, and proteins were significantly upregulated in the MC treatment compared to the CB treatment, and lactate metabolism was inhibited. In addition, we used MC as a distinct carbon source to enhance the antibacterial ability of B. licheniformis NXU98, to improve its disease resistance, and to regulate the rumen microenvironment.DiscussionOur research provides a potential new probiotic for feed research and a theoretical basis for investigating the mechanisms by which bacteria respond to different carbon sources.
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spelling doaj.art-162c0c38c8fa490f9e0db46564c9a7262023-11-01T17:32:20ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2023-11-011410.3389/fmicb.2023.12387671238767Response of a new rumen-derived Bacillus licheniformis to different carbon sourcesYuchen ChengJie ZhangWenyi RenLili ZhangXiaofeng XuIntroductionBacillus licheniformis (B. licheniformis) is a microorganism with a wide range of probiotic properties and applications. Isolation and identification of novel strains is a major aspect of microbial research. Besides, different carbon sources have varying effects on B. licheniformis in regulating the microenvironment, and these mechanisms need to be investigated further.MethodsIn this study, we isolated and identified a new strain of B. licheniformis from bovine rumen fluid and named it B. licheniformis NXU98. The strain was treated with two distinct carbon sources—microcrystalline cellulose (MC) and cellobiose (CB). A combination of transcriptome and proteome analyses was used to investigate different carbon source effects.ResultsThe results showed that B. licheniformis NXU98 ABC transporter proteins, antibiotic synthesis, flagellar assembly, cellulase-related pathways, and proteins were significantly upregulated in the MC treatment compared to the CB treatment, and lactate metabolism was inhibited. In addition, we used MC as a distinct carbon source to enhance the antibacterial ability of B. licheniformis NXU98, to improve its disease resistance, and to regulate the rumen microenvironment.DiscussionOur research provides a potential new probiotic for feed research and a theoretical basis for investigating the mechanisms by which bacteria respond to different carbon sources.https://www.frontiersin.org/articles/10.3389/fmicb.2023.1238767/fullBacillus licheniformiscows rumen fluiddifferent carbon sourcestranscriptomeproteome
spellingShingle Yuchen Cheng
Jie Zhang
Wenyi Ren
Lili Zhang
Xiaofeng Xu
Response of a new rumen-derived Bacillus licheniformis to different carbon sources
Frontiers in Microbiology
Bacillus licheniformis
cows rumen fluid
different carbon sources
transcriptome
proteome
title Response of a new rumen-derived Bacillus licheniformis to different carbon sources
title_full Response of a new rumen-derived Bacillus licheniformis to different carbon sources
title_fullStr Response of a new rumen-derived Bacillus licheniformis to different carbon sources
title_full_unstemmed Response of a new rumen-derived Bacillus licheniformis to different carbon sources
title_short Response of a new rumen-derived Bacillus licheniformis to different carbon sources
title_sort response of a new rumen derived bacillus licheniformis to different carbon sources
topic Bacillus licheniformis
cows rumen fluid
different carbon sources
transcriptome
proteome
url https://www.frontiersin.org/articles/10.3389/fmicb.2023.1238767/full
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AT lilizhang responseofanewrumenderivedbacilluslicheniformistodifferentcarbonsources
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