Phyletic patterns of bacterial growth temperature in Pseudomonas and Paenibacillus reveal gradual and sporadic evolution towards cold adaptation
2024

Bacterial Growth Temperature Adaptation in Pseudomonas and Paenibacillus

Sample size: 45 publication Evidence: moderate

Author Information

Author(s): Lee Kihyun, Kim Seong-Hyeon, Moon Seongjoon, Kim Sangha, Lee Changhan

Primary Institution: Ajou University

Hypothesis

How do cold-adapted bacterial species evolve within different genera?

Conclusion

The study reveals distinct evolutionary patterns of cold adaptation in Pseudomonas and Paenibacillus, with Pseudomonas showing a conserved clade and Paenibacillus exhibiting a more sporadic distribution.

Supporting Evidence

  • In Pseudomonas, cold-adapted species form a distinct clade.
  • Paenibacillus cold-adapted species are sporadically distributed.
  • The L clade in Pseudomonas shows genome-wide signatures of adaptation.
  • Cold adaptation in Pseudomonas is linked to environmental conditions.

Takeaway

Some bacteria can grow in really cold places, and this study shows that different types of bacteria adapt to the cold in different ways.

Methodology

Phylogenetic analysis of growth temperature traits in Pseudomonas and Paenibacillus species.

Limitations

The study may not account for all environmental factors influencing cold adaptation.

Statistical Information

P-Value

0.001

Statistical Significance

p=0.001

Digital Object Identifier (DOI)

10.1093/ismeco/ycae163

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