Water Uptake of Airborne Cells of Measured with a Hygroscopicity Tandem Differential Mobility Analyzer.
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| Main Authors: | , , , , , , , , , , |
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| Format: | Artículo científico |
| Language: | en |
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Environmental science & technology
2024
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| _version_ | 1868266290208047105 |
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| author | Nielsen, Lærke Sloth Šantl-Temkiv, Tina Palomeque Sánchez, María Massling, Andreas Ward, Josephine Caroline Jensen, Pia Bomholt Boesen, Thomas Petters, Markus Finster, Kai Bilde, Merete Rosati, Bernadette |
| author_facet | Nielsen, Lærke Sloth Šantl-Temkiv, Tina Palomeque Sánchez, María Massling, Andreas Ward, Josephine Caroline Jensen, Pia Bomholt Boesen, Thomas Petters, Markus Finster, Kai Bilde, Merete Rosati, Bernadette Nielsen, Lærke Sloth Šantl-Temkiv, Tina Palomeque Sánchez, María Massling, Andreas Ward, Josephine Caroline Jensen, Pia Bomholt Boesen, Thomas Petters, Markus Finster, Kai Bilde, Merete Rosati, Bernadette |
| collection | PubMed - marine biology |
| contents | Water Uptake of Airborne Cells of Measured with a Hygroscopicity Tandem Differential Mobility Analyzer. Nielsen, Lærke Sloth Šantl-Temkiv, Tina Palomeque Sánchez, María Massling, Andreas Ward, Josephine Caroline Jensen, Pia Bomholt Boesen, Thomas Petters, Markus Finster, Kai Bilde, Merete Rosati, Bernadette Pseudomonas syringae Water Wettability Humidity Air Microbiology Sodium Chloride Airborne microorganisms impact cloud formation and are involved in disease spreading. The ability of airborne cells to survive and express genes may be limited by reduced water availability in the atmosphere and depend on the ability of the cells to attract water vapor at subsaturated conditions, i.e., their hygroscopicity. We assessed hygroscopic properties of the plant pathogen , known to participate in cloud formation. We used a hygroscopicity tandem differential mobility analyzer to examine both hydration and dehydration behavior in the relative humidity (RH) range 5-90%. The cells were aerosolized either from Milli-Q water or from a 35 g L NaCl solution, resulting in pure cells or cells associated with NaCl. Pure cells exhibited no deliquescence/efflorescence and a small gradual water uptake reaching a maximum growth factor (GF) of 1.09 ± 0.01 at 90% RH. For cells associated with NaCl, we observed deliquescence and a much larger maximum GF of 1.74 ± 0.03 at 90% RH. Deliquescence RH was comparable to that of pure NaCl, highlighting the major role of the salt associated with the cells. It remains to be investigated how the observed hygroscopic properties relate to survival, metabolic, and ice-nucleation activities of airborne . |
| format | Artículo científico |
| id | pubmed_39425695 |
| institution | PubMed |
| language | en |
| publishDate | 2024 |
| publisher | Environmental science & technology |
| record_format | pubmed |
| spellingShingle | Water Uptake of Airborne Cells of Measured with a Hygroscopicity Tandem Differential Mobility Analyzer. Nielsen, Lærke Sloth Šantl-Temkiv, Tina Palomeque Sánchez, María Massling, Andreas Ward, Josephine Caroline Jensen, Pia Bomholt Boesen, Thomas Petters, Markus Finster, Kai Bilde, Merete Rosati, Bernadette Pseudomonas syringae Water Wettability Humidity Air Microbiology Sodium Chloride Water Uptake of Airborne Cells of Measured with a Hygroscopicity Tandem Differential Mobility Analyzer. Nielsen, Lærke Sloth Šantl-Temkiv, Tina Palomeque Sánchez, María Massling, Andreas Ward, Josephine Caroline Jensen, Pia Bomholt Boesen, Thomas Petters, Markus Finster, Kai Bilde, Merete Rosati, Bernadette Pseudomonas syringae Water Wettability Humidity Air Microbiology Sodium Chloride Airborne microorganisms impact cloud formation and are involved in disease spreading. The ability of airborne cells to survive and express genes may be limited by reduced water availability in the atmosphere and depend on the ability of the cells to attract water vapor at subsaturated conditions, i.e., their hygroscopicity. We assessed hygroscopic properties of the plant pathogen , known to participate in cloud formation. We used a hygroscopicity tandem differential mobility analyzer to examine both hydration and dehydration behavior in the relative humidity (RH) range 5-90%. The cells were aerosolized either from Milli-Q water or from a 35 g L NaCl solution, resulting in pure cells or cells associated with NaCl. Pure cells exhibited no deliquescence/efflorescence and a small gradual water uptake reaching a maximum growth factor (GF) of 1.09 ± 0.01 at 90% RH. For cells associated with NaCl, we observed deliquescence and a much larger maximum GF of 1.74 ± 0.03 at 90% RH. Deliquescence RH was comparable to that of pure NaCl, highlighting the major role of the salt associated with the cells. It remains to be investigated how the observed hygroscopic properties relate to survival, metabolic, and ice-nucleation activities of airborne . |
| title | Water Uptake of Airborne Cells of Measured with a Hygroscopicity Tandem Differential Mobility Analyzer. |
| topic | Pseudomonas syringae Water Wettability Humidity Air Microbiology Sodium Chloride |
| url | https://pubmed.ncbi.nlm.nih.gov/39425695/ |