Viruses, bacteria, and heterotrophic nanoflagellates in Laptev Sea plankton
- 作者: Kopylov A.I.1, Sazhin A.F.2, Zabotkina E.A.1, Romanenko A.V.1, Romanova N.D.2, Makarevich P.R.3, Wenger M.P.3
- 
							隶属关系: 
							- Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences
- Shirshov Institute of Oceanology
- Murmansk Marine Biological Institute, Kola Scientific Center
 
- 期: 卷 56, 编号 6 (2016)
- 页面: 789-798
- 栏目: Marine Biology
- URL: https://journals.rcsi.science/0001-4370/article/view/149298
- DOI: https://doi.org/10.1134/S0001437016050052
- ID: 149298
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The paper considers the concentrations and functional characteristics of viruses, bacteria, and heterotrophic nanoflagellates determined for the first time in the Laptev Sea in August-September, 2014. The abundance of bacteria, viruses, and heterotrophic nanoflagellates varied from 110.1 × 103 to 828.4 × 103 cells/mL, from 384.2 × 103 to 2932.8 × 103 particles/mL, and from 108 to 651 cells/mL, respectively. The daily bacterioplankton production varied from 4.2 × 103 to 381.7 × 103 cells/mL, with an average of 117.6 × 103 cells/mL. Electron transmission microscopy has for the first time shown that the frequency of visibly infected bacterial cells varied from 0.2 to 2.0% (0.8% on average) of NB. The average virus-induced mortality of bacteria was 6.3% of bacterioplankton production, with variations ranging from 1.4 to 16.9%. Grazing on bacteria by heterotrophic nanoflagellates contributed more to bacteria mortality than virus-induced bacterial lysis. By grazing on bacteria, heterotrophic nanoflagellates consumed large quantities of viruses located on the surface and inside bacterial cells.
作者简介
A. Kopylov
Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences
							编辑信件的主要联系方式.
							Email: kopylov@ibiw.yaroslavl.ru
				                					                																			                												                	俄罗斯联邦, 							Yaroslavl Oblast, 152742						
A. Sazhin
Shirshov Institute of Oceanology
														Email: kopylov@ibiw.yaroslavl.ru
				                					                																			                												                	俄罗斯联邦, 							Moscow, 117997						
E. Zabotkina
Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences
														Email: kopylov@ibiw.yaroslavl.ru
				                					                																			                												                	俄罗斯联邦, 							Yaroslavl Oblast, 152742						
A. Romanenko
Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences
														Email: kopylov@ibiw.yaroslavl.ru
				                					                																			                												                	俄罗斯联邦, 							Yaroslavl Oblast, 152742						
N. Romanova
Shirshov Institute of Oceanology
														Email: kopylov@ibiw.yaroslavl.ru
				                					                																			                												                	俄罗斯联邦, 							Moscow, 117997						
P. Makarevich
Murmansk Marine Biological Institute, Kola Scientific Center
														Email: kopylov@ibiw.yaroslavl.ru
				                					                																			                												                	俄罗斯联邦, 							Murmansk, 183010						
M. Wenger
Murmansk Marine Biological Institute, Kola Scientific Center
														Email: kopylov@ibiw.yaroslavl.ru
				                					                																			                												                	俄罗斯联邦, 							Murmansk, 183010						
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