Fine-Scale Adaptations to Environmental Variation and Growth Strategies Drive Phyllosphere Methylobacterium Diversity
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25 janvier 2022
- handle: 10670/1.5yop3n
- Leducq, Jean-Baptiste; Seyer-Lamontagne, Émilie; Condrain-Morel, Domitille; Bourret, Geneviève; Sneddon, David; Foster, James A.; Marx, Christopher J.; Sullivan, Jack M.; Shapiro, B. Jesse et Kembel, Steven W. (2022). « Fine-Scale Adaptations to Environmental Variation and Growth Strategies Drive Phyllosphere Methylobacterium Diversity ». mBio.
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http://archipel.uqam.ca/15101/
Ce document est lié à :
http://dx.doi.org/10.1128/mbio.03175-21
Ce document est lié à :
doi:10.1128/mbio.03175-21
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Jean-Baptiste Leducq et al., « Fine-Scale Adaptations to Environmental Variation and Growth Strategies Drive Phyllosphere Methylobacterium Diversity », UQAM Archipel : articles scientifiques, ID : 10670/1.5yop3n
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Résumé
Methylobacterium is a prevalent bacterial genus of the phyllosphere. Despite its ubiquity, little is known about the extent to which its diversity reflects neutral processes like migration and drift, versus environmental filtering of life history strategies and adaptations. In two temperate forests, we investigated how phylogenetic diversity within Methylobacterium is structured by biogeography, seasonality, and growth strategies. Using deep, culture-independent barcoded marker gene sequencing coupled with culture-based approaches, we uncovered a considerable diversity of Methylobacterium in the phyllosphere. We cultured different subsets of Methylobacterium lineages depending upon the temperature of isolation and growth (20°C or 30°C), suggesting long-term adaptation to temperature. To a lesser extent than temperature adaptation, Methylobacterium diversity was also structured across large (>100 km; between forests) and small (