Research Data Leeds Repository

Citation

O'Sullivan, Daniel and Murray, Benjamin J. and Ross, James and Webb, Michael E. (2016) Data for "The adsorption of fungal ice-nucleating proteins on mineral dusts: a terrestrial reservoir of atmospheric ice-nucleating particles". University of Leeds. [Dataset] https://doi.org/10.5518/78

Dataset description

The occurrence of ice-nucleating particles (INPs) in our atmosphere has a profound impact on the properties and lifetime of supercooled clouds. To date, the identities, sources and abundances of particles capable of nucleating ice at relatively low supercoolings (T > −15° C) remain enigmatic. While biomolecules such as proteins and carbohydrates have been implicated as important high-temperature INPs, the lack of knowledge on the environmental fates of these species makes it difficult to assess their potential atmospheric impacts. Here we show that such nanoscale ice nucleating proteins from a common soil borne fungus (Fusarium avenaceum) preferentially bind to and confer their ice-nucleating properties to kaolinite. The ice-nucleating activity of the proteinaceous INPs is unaffected by adsorption to the clay, and once bound the proteins do not readily desorb, retaining much of the activity even after multiple washings with pure water. The atmospheric implications of the finding that biological residues can confer their ice-nucleating ability to dust particles are discussed.

Keywords:	ice nucleation activity, cumulative nucleation spectra
Subjects:	F000 - Physical sciences > F600 - Geology > F640 - Earth science > F646 - Land-atmosphere interactions F000 - Physical sciences > F300 - Physics > F330 - Environmental physics > F331 - Atmospheric physics
Divisions:	Faculty of Engineering and Physical Sciences > School of Chemistry Faculty of Environment > School of Earth and Environment Faculty of Environment > School of Earth and Environment > Institute for Climate and Atmospheric Science
Related resources:	Location Type https://doi.org/10.5194/acp-16-7879-2016 Publication https://eprints.whiterose.ac.uk/102477/ Publication
License:	Creative Commons Attribution 4.0 International (CC BY 4.0)
Date deposited:	17 Aug 2016 12:16
URI:	https://archive.researchdata.leeds.ac.uk/id/eprint/70
Additional details Additional details Creators or authors: Creators ORCID Other ID Email Primary affiliation Primary affiliation ID Primary affiliation ID type Secondary affiliation Secondary affiliation ID Secondary affiliation ID type O'Sullivan, Daniel https://orcid.org/0000-0002-6884-8046 University of Leeds https://ror.org/024mrxd33 ror Murray, Benjamin J. https://orcid.org/0000-0002-8198-8131 University of Leeds https://ror.org/024mrxd33 ror Ross, James https://orcid.org/0000-0002-4784-103X University of Leeds https://ror.org/024mrxd33 ror Webb, Michael E. https://orcid.org/0000-0003-3574-4686 University of Leeds https://ror.org/024mrxd33 ror Type of data: Dataset Research funders: NERC, EPSRC, ERC Grant numbers: NE/I013466/1, NE/K004417/1, EP/M003027/1, 240449 ICE, 648661 MarineIce Publication date: 2016 Resource language: English Metadata language: English Research project title: Quantifying the efficiency with which biological particles nucleate ice when immersed in supercooled water droplets., Atmospheric ice nuclei in the Arctic., Control of Crystal Nucleation on Surfaces., Laboratory and modelling studies of ice nucleation and crystallisation in the Earth's atmosphere., Ice Nucleating Particles in the Marine Atmosphere. Publisher: University of Leeds Contact email: D.Osullivan@leeds.ac.uk Last Modified: 18 Sep 2024 14:30

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Data

Data for Fig 2 [15kB] Data for Fig 2 [15kB] Data for Fig 2 [15kB] Security: Anyone File name: Fig_2.xlsx Content type: Data Description: First row is pH, followed by "SN" for supernatant, "Pellet" for pellet Mime-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 15kB

Data for Fig 3a [14kB] Data for Fig 3a [14kB] Data for Fig 3a [14kB] Security: Anyone File name: Fig_3a.xlsx Content type: Data Description: First row is salt added, followed by "SN" for supernatant, "Pellet" for pellet Mime-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 14kB

Data for Fig 3b [14kB] Data for Fig 3b [14kB] Data for Fig 3b [14kB] Security: Anyone File name: Fig_3b.xlsx Content type: Data Description: First row is salt added, followed by "SN" for supernatant, "Pellet" for pellet Mime-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 14kB

Data for Fig 4 a [15kB] Data for Fig 4 a [15kB] Data for Fig 4 a [15kB] Security: Anyone File name: Fig_4a.xlsx Content type: Data Description: First row is salt added, followed by "SN" for supernatant, "Pellet" for pellet Mime-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 15kB

Data for Fig 4 b [15kB] Data for Fig 4 b [15kB] Data for Fig 4 b [15kB] Security: Anyone File name: Fig_4b.xlsx Content type: Data Description: First row is salt added, followed by "SN" for supernatant, "Pellet" for pellet Mime-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 15kB

Data for Fig 5 [12kB] Data for Fig 5 [12kB] Data for Fig 5 [12kB] Security: Anyone File name: Fig_5.xlsx Content type: Data Description: first row is "SN" for supernatatant, "Pellet" for Pellet. Third row is wash number Mime-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 12kB