ArticleMicrobiology (Reading, England)2019
Symbiont evolution during the free-living phase can improve host colonization.
Article in Microbiology (Reading, England), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Lighting the way: how the squid-Vibrio model can inform thermal impacts on symbiotic dynamics.The Journal of experimental biology · 2026Review
- Strain matters: host responses reflect symbiont origin in the squid-vibrio symbiosis.mSystems · 2025Article
- Genetic Variation in the Atlantic Bobtail Squid-Vibrio Symbiosis From the Galician Rías.Molecular ecology · 2025Article
- Article
- Strain-level diversity of symbiont communities between individuals and populations of a bioluminescent fish.The ISME journal · 2023Article
- The phase variation between wrinkly and smooth colony phenotype affects the virulence of Vibrio parahaemolyticus.Archives of microbiology · 2023Article
- Geography, not lifestyle, explains the population structure of free-living and host-associated deep-sea hydrothermal vent snail symbionts.Microbiome · 2023Article
- Transcriptomic Analysis of Vibrio parahaemolyticus Underlying the Wrinkly and Smooth Phenotypes.Microbiology spectrum · 2022Article
- Emerging Research Topics in the Vibrionaceae and the Squid-Microorganisms · 2022Review
- Post-association barrier to host switching maintained despite strong selection in a novel mutualism.Ecology and evolution · 2022Article
- Vibrio harveyi Exhibits the Growth Advantage in Stationary Phase Phenotype during Long-Term Incubation.Microbiology spectrum · 2022Article
- A lasting symbiosis: how Vibrio fischeri finds a squid partner and persists within its natural host.Nature reviews. Microbiology · 2021Review
- Marine Actinomycetes, New Sources of Biotechnological Products.Marine drugs · 2021Review
- Identification of a Transcriptomic Network Underlying the Wrinkly and Smooth Phenotypes of Vibrio fischeri.Journal of bacteriology · 2021Article
- Adaptation to pH stress byMicrobiology (Reading, England) · 2020Article
- Microbial Musings - March 2020.Microbiology (Reading, England) · 2020Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
For micro-organisms cycling between free-living and host-associated stages, where reproduction occurs in both of these lifestyles, an interesting inquiry is whether evolution during the free-living stage can be positively pleiotropic to microbial fitness in a host environment. To address this topic, the squid host Euprymna tasmanica and the marine bioluminescent bacterium Vibrio fischeri were utilized. Microbial ecological diversification in static liquid microcosms was used to simulate symbiont evolution during the free-living stage. Thirteen genetically distinct V. fischeri strains from a broad diversity of ecological sources (e.g. squid light organs, fish light organs and seawater) were examined to see if the results were reproducible in many different genetic settings. Genetic backgrounds that are closely related can be predisposed to considerable differences in how they respond to similar selection pressures. For all strains examined, new mutations with striking and facilitating effects on host colonization arose quickly during microbial evolution in the free-living stage, regardless of the ecological context under consideration for a strain's genetic background. Microbial evolution outside a host environment promoted host range expansion, improved host colonization for a micro-organism, and diminished the negative correlation between biofilm formation and motility.
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