Ubiquitous giants : a plethora of giant viruses found in Brazil and Antarctica
Andrade, A. C. d. S. P., Arantes, T. S., Rodrigues, R. A. L., Machado, T. B., Dornas, F. P., Landell, M. F., . . . Abrahão, J. S. (2018). Ubiquitous giants : a plethora of giant viruses found in Brazil and Antarctica. Virology Journal, 15, 22. doi:10.1186/s12985-018-0930-x
Published inVirology Journal
DisciplineSolu- ja molekyylibiologia
© the Authors, 2018. This is an open access article distributed under the terms of the Creative Commons License.
Background Since the discovery of giant viruses infecting amoebae in 2003, many dogmas of virology have been revised and the search for these viruses has been intensified. Over the last few years, several new groups of these viruses have been discovered in various types of samples and environments.In this work, we describe the isolation of 68 giant viruses of amoeba obtained from environmental samples from Brazil and Antarctica. Methods Isolated viruses were identified by hemacolor staining, PCR assays and electron microscopy (scanning and/or transmission). Results A total of 64 viruses belonging to the Mimiviridae family were isolated (26 from lineage A, 13 from lineage B, 2 from lineage C and 23 from unidentified lineages) from different types of samples, including marine water from Antarctica, thus being the first mimiviruses isolated in this extreme environment to date. Furthermore, a marseillevirus was isolated from sewage samples along with two pandoraviruses and a cedratvirus (the third to be isolated in the world so far). Conclusions Considering the different type of samples, we found a higher number of viral groups in sewage samples. Our results reinforce the importance of prospective studies in different environmental samples, therefore improving our comprehension about the circulation anddiversity of these viruses in nature. ...
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Except where otherwise noted, this item's license is described as © the Authors, 2018. This is an open access article distributed under the terms of the Creative Commons License.
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