Community and single cell analyses reveal complex predatory interactions between bacteria in high diversity systems.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
16 09 2021
16 09 2021
Historique:
received:
07
05
2019
accepted:
25
08
2021
entrez:
17
9
2021
pubmed:
18
9
2021
medline:
21
10
2021
Statut:
epublish
Résumé
A fundamental question in community ecology is the role of predator-prey interactions in food-web stability and species coexistence. Although microbial microcosms offer powerful systems to investigate it, interrogating the environment is much more arduous. Here, we show in a 1-year survey that the obligate predators Bdellovibrio and like organisms (BALOs) can regulate prey populations, possibly in a density-dependent manner, in the naturally complex, species-rich environments of wastewater treatment plants. Abundant as well as rarer prey populations are affected, leading to an oscillating predatory landscape shifting at various temporal scales in which the total population remains stable. Shifts, along with differential prey range, explain co-existence of the numerous predators through niche partitioning. We validate these sequence-based findings using single-cell sorting combined with fluorescent hybridization and community sequencing. Our approach should be applicable for deciphering community interactions in other systems.
Identifiants
pubmed: 34531395
doi: 10.1038/s41467-021-25824-9
pii: 10.1038/s41467-021-25824-9
pmc: PMC8446003
doi:
Substances chimiques
RNA, Ribosomal, 16S
0
Sewage
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
5481Informations de copyright
© 2021. The Author(s).
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