Metaproteomic comparison of cryoconite communities from Caucasian and Novaya Zemlya glaciers

Authors

  • Bozhana Zainullina Research Centre for Molecular and Cell Technologies, Saint Petersburg State University Research Park, Universitetskaya nab., 7–9, Saint Petersburg, 199034, Russian Federation https://orcid.org/0000-0001-9177-1553
  • Irina Babkina Laboratory of Regenerative Biomedicine, Institute of Cytology, Russian Academy of Sciences, Tikhoretskiy pr., 4, Saint Petersburg, 194064, Russian Federation https://orcid.org/0000-0002-6110-5848
  • Arseniy Lobov Laboratory of Regenerative Biomedicine, Institute of Cytology, Russian Academy of Sciences, Tikhoretskiy pr., 4, Saint Petersburg, 194064, Russian Federation https://orcid.org/0000-0002-0930-1171
  • Rustam Tembotov Tembotov Institute of Ecology of Mountain Territories, Russian Academy of Sciences, ul. I. Armand 37a, Nalchik, 360051, Russian Federation https://orcid.org/0000-0002-2342-4653
  • Evgeny Abakumov Department of Applied Ecology, Faculty of Biology, Saint Petersburg State University, 16 liniya V. O., 29, Saint Petersburg, 199178, Russian Federation https://orcid.org/0000-0002-5248-9018

DOI:

https://doi.org/10.21638/spbu03.2022.308

Abstract

Small cylindrical holes (cryoconites) appear in the early stages of glacier melt. While the microbiome of cryoconite is well described, differences in community compositions between various glaciers, especially between more or less polluted ones, still have not been fully understood. Here we performed the comparison of the cryoconite communities from the less polluted Caucasian (Kabardino-Balkaria) glaciers and from highly polluted glaciers in Novaya Zemlya by the shotgun metaproteomics approach which had not been used for cryoconite microbiome analysis previously. Metaproteomics has a whole range of limitations, but it is of great interest because it gains information about the functional state of communities. We identified 475 protein groups, a third of which were found in both glaciers. Proteins from Cyanobacteria dominated in both sites, but we found a slight shift to heterotrophic bacteria in the Caucasus.

Keywords:

cryoconite, metaproteomics, glacial, anthropogenic pollution, TimsToF Pro

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References

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Published

2022-10-10

How to Cite

Zainullina, B., Babkina, I., Lobov, A., Tembotov, R., & Abakumov, E. (2022). Metaproteomic comparison of cryoconite communities from Caucasian and Novaya Zemlya glaciers. Biological Communications, 67(3), 231–235. https://doi.org/10.21638/spbu03.2022.308

Issue

Vol. 67 No. 3 (2022)

Section

Brief communications

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Articles of Biological Communications are open access distributed under the terms of the License Agreement with Saint Petersburg State University, which permits to the authors unrestricted distribution and self-archiving free of charge.

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