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The Genome of Pseudomonas fluorescens Strain R124 Demonstrates Phenotypic Adaptation to the Mineral Environment

Creator:

Barton, Michael D., Petronio, Michael, Giarrizzo, Juan G., Bowling, Bethany V., and Barton, Hazel A.

Abstract:

Microbial adaptation to environmental conditions is a complex process, including acquisition of positive traits through horizontal gene transfer or the modification of existing genes through duplication and/or mutation. In this study, we examined the adaptation of a Pseudomonas fluorescens isolate (R124) from the nutrient-limited mineral environment of a silica cave...

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), respec- tively. Our assembled and annotated sequence data suggest that de- spite remarkable differences
Streamlining and Core Genome Conservation among Highly Divergent Members of the SAR11 Clade

Creator:

Grote, Jana, Thrash, J. Cameron, Huggett, Megan J., Landry, Zachary C., Carini, Paul, Giovannoni, Stephen J., and Rappe, Michael S.

Abstract:

SAR11 is an ancient and diverse clade of heterotrophic bacteria that are abundant throughout the world's oceans, where they play a major role in the ocean carbon cycle. Correlations between the phylogenetic branching order and spatiotemporal patterns in cell distributions from planktonic ocean environments indicate that SAR11 has evolved into...

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. 1) and concatenated protein phylogenies (6). Here we present a de- tailed comparative analysis of