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Título

Occurrence of Halococcus spp. in the nostrils salt glands of the seabird Calonectris diomedea

Autor Brito-Echeverría, Jocelyn ; López-López, Arantxa ; Yarza, Pablo ; Antón, Josefa; Rosselló-Mora, Ramón
Palabras clave Species definition
Seabird nostril
Halococcus spp.
Extreme halophiles
Fecha de publicación 2009
EditorSpringer
Citación Extremophiles : life under extreme conditions 13(3): 557-565 (2009)
ResumenThe nostrils of the seabird Calonectris diomedea are endowed with a salt-excreting gland that could produce a suitable environment for the colonization of extreme halophilic prokaryotes. We have studied in this organ the presence of extreme halophiles by means of culturing techniques. We could easily cultivate members of haloarchaea, and all cultures studied were identified as members of one of the two species Halococcus morrhuae and Hcc. dombrowskii. In order to reveal the diversity of these colonizers, we undertook a taxonomic study. Altogether, the results indicated that members of the genus Halococcus may constitute a part of the natural epizootic microbiota of C. diomedea, and that they exhibit such an important degree of taxonomic variability that appeals for a pragmatic species definition. This seabird nests in the west Mediterranean coasts, but its migratory habits, reaching locations as distant from the Mediterranean as the South Atlantic, may help in the dispersal mechanisms of haloarchaea through the Earth's surface. © 2009 Springer.
URI http://hdl.handle.net/10261/102126
DOI10.1007/s00792-009-0238-2
Identificadoresdoi: 10.1007/s00792-009-0238-2
issn: 1431-0651
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