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Novel active kinetoplastids associated with hypersaline anoxic basins in the Eastern Mediterranean deep-sea
Edgcomb, V.P.; Orsi, W.; Breiner, H.-W.; Stock, A.; Filker, S.; Yakimov, M.M.; Stoeck, T. (2011). Novel active kinetoplastids associated with hypersaline anoxic basins in the Eastern Mediterranean deep-sea. Deep-Sea Res., Part 1, Oceanogr. Res. Pap. 58(10): 1040-1048. hdl.handle.net/10.1016/j.dsr.2011.07.003
In: Deep-Sea Research, Part I. Oceanographic Research Papers. Elsevier: Oxford. ISSN 0967-0637, more
Peer reviewed article  

Available in Authors 

Keyword
    Marine

Authors  Top 
  • Edgcomb, V.P.
  • Orsi, W.
  • Breiner, H.-W.
  • Stock, A.
  • Filker, S.
  • Yakimov, M.M.
  • Stoeck, T.

Abstract
    The combination of nearly saturated salt concentration and corresponding high density, high hydrostatic pressure, absence of light, anoxia, and a sharp chemocline make the deephypersalineanoxicbasins in the EasternMediterraneanSea some of the most polyextreme habitats on Earth. Using kinetoplastid-specific primers, we detected kinetoplastid flagellates in some of the harshest deep-sea environments known to date, including some whose small subunit ribosomal RNA gene sequences are not closely related to cultured representatives. Kinetoplastids, including presumably novel representatives appear to be specialists of halocline environments in the EasternMediterranean, and to comprise a significant fraction of the protist communities in the brines and haloclines of several basins. Fluorescent in situ hybridization data indicate a novel ‘unidentified’ sequence clade of kinetoplastids related to bodonids represents as much as 10% of the total protist community in the Discovery Basin halocline. Different kinetoplastid groups are unevenly represented in the different basins and habitats we sampled, which we discuss as a result of environmental selection.

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