Inherited chitinases enable sustained growth and rapid dispersal of bacteria from chitin particles.
Journal
Nature microbiology
ISSN: 2058-5276
Titre abrégé: Nat Microbiol
Pays: England
ID NLM: 101674869
Informations de publication
Date de publication:
09 2023
09 2023
Historique:
received:
08
08
2022
accepted:
04
07
2023
medline:
31
8
2023
pubmed:
15
8
2023
entrez:
14
8
2023
Statut:
ppublish
Résumé
Many biogeochemical functions involve bacteria utilizing solid substrates. However, little is known about the coordination of bacterial growth with the kinetics of attachment to and detachment from such substrates. In this quantitative study of Vibrio sp. 1A01 growing on chitin particles, we reveal the heterogeneous nature of the exponentially growing culture comprising two co-existing subpopulations: a minority replicating on chitin particles and a non-replicating majority which was planktonic. This partition resulted from a high rate of cell detachment from particles. Despite high detachment, sustained exponential growth of cells on particles was enabled by the enrichment of extracellular chitinases excreted and left behind by detached cells. The 'inheritance' of these chitinases sustains the colonizing subpopulation despite its reduced density. This simple mechanism helps to circumvent a trade-off between growth and dispersal, allowing particle-associated marine heterotrophs to explore new habitats without compromising their fitness on the habitat they have already colonized.
Identifiants
pubmed: 37580592
doi: 10.1038/s41564-023-01444-5
pii: 10.1038/s41564-023-01444-5
doi:
Substances chimiques
Chitin
1398-61-4
Chitinases
EC 3.2.1.14
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1695-1705Informations de copyright
© 2023. The Author(s), under exclusive licence to Springer Nature Limited.
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