Biofilm formation onto starch fibres by Bacillus subtilis governs its successful adaptation to chickpea milk.
Journal
Microbial biotechnology
ISSN: 1751-7915
Titre abrégé: Microb Biotechnol
Pays: United States
ID NLM: 101316335
Informations de publication
Date de publication:
07 2021
07 2021
Historique:
revised:
04
08
2020
received:
10
06
2020
accepted:
23
08
2020
pubmed:
21
10
2020
medline:
3
8
2021
entrez:
20
10
2020
Statut:
ppublish
Résumé
Beneficial biofilms may confer effective adaptation to food matrices that assist bacteria in enduring hostile environmental conditions. The matrices, for instance, dietary fibres of various food products, might serve as a natural scaffold for bacterial cells to adhere and grow as biofilms. Here, we report on a unique interaction of Bacillus subtilis cells with the resistant starch fibresof chickpea milk (CPM), herein CPM fibres, along with the production of a reddish-pink pigment. Genetic analysis identified the pigment as pulcherrimin, and also revealed the involvement of Spo0A/SinI pathway in modulating the observed phenotypes. Besides, through successful colonization of the CPM fibres, the wild-type cells of B. subtilis displayed enhanced survivability and resilience to environmental stress, such as heat and in vitro gastrointestinal treatments. In total, we infer that the biofilm formation on CPM fibres is an adaptation response of B. subtilis for strategic survival.
Identifiants
pubmed: 33080087
doi: 10.1111/1751-7915.13665
pmc: PMC8313274
doi:
Substances chimiques
Bacterial Proteins
0
Starch
9005-25-8
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1839-1846Subventions
Organisme : Agricultural Research Organisation
Informations de copyright
© 2020 The Authors. Published by John Wiley & Sons Ltd and Society for Applied Microbiology.
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