Effects of atmospheric conditions on ice nucleation activity of Pseudomonas

  title={Effects of atmospheric conditions on ice nucleation activity of Pseudomonas},
  author={El{\'e}onore Attard and Huiming Yang and A.-M. Delort and Pierre Amato and Ulrich P{\"o}schl and Catherine Glaux and Thomas Koop and Cindy E. Morris},
Although ice nuclei from bacterial origin are known to be efficient at the highest temperatures known for ice catalysts, quantitative data are still needed to assess their role in cloud processes. Here we studied the effects of three typical cloud conditions (i) acidic pH (ii) NO2 and O3 exposure and (iii) UV-A exposure on the ice nucleation activity (INA) of four Pseudomonas strains. Three of the Pseudomonas syringae strains were isolated from cloud water and the phyllosphere and Pseudomonas… CONTINUE READING
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