Transmission electron microscope analysis of virus-like particles in the freshwater lakes of Signy Island, Antarctica |
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| Authors: | William H Wilson Daniel Lane David A Pearce J Cynan Ellis-Evans |
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| Institution: | (1) Marine Biological Association, The Laboratory, Citadel Hill, Plymouth, PL1 2PB, UK e-mail: whw@mba.ac.uk Tel.: +44-1752-633356, Fax: +44-1752-633102, GB;(2) British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 0ET, UK, GB |
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| Abstract: | Water samples from a range of fresh-water Antarctic lakes on Signy Island (South Orkney Islands: 60°45′S, 45 °38′W) were
examined for the presence of virus-like particles (VLPs) during the 1998/1999 field season. It was discovered that VLPs were
ubiquitous, morphologically diverse and abundant, with high concentrations ranging from 4.9 × 106 ml−1 to 3.1 × 107 ml−1. Likely hosts include bacteria, cyanobacteria and eukaryotic algae. In addition, an unusually large virus morphotype was
observed with a head diameter 370 × 330 nm and a tail 1.3 μm long.
Accepted: 15 May 2000 |
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