Remarkable diversity of phototrophic purple bacteria in a permanently frozen Antarctic lake.

@article{Karr2003RemarkableDO,
  title={Remarkable diversity of phototrophic purple bacteria in a permanently frozen Antarctic lake.},
  author={Elizabeth A. Karr and W. Matthew Sattley and Deborah O. Jung and Michael T. Madigan and Laurie A. Achenbach},
  journal={Applied and environmental microbiology},
  year={2003},
  volume={69 8},
  pages={4910-4}
}
Although anoxygenic photosynthesis is thought to play an important role in the primary productivity of permanently frozen lakes in the Antarctic dry valleys, the bacterial communities responsible for this metabolism remain uncharacterized. Here we report the composition and activity of phototrophic purple bacteria in Lake Fryxell, Antarctica, as determined by analysis of a photosynthesis-specific gene, pufM. The results revealed an extensive diversity and highly stratified distribution of… CONTINUE READING
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