期刊
FEMS MICROBIOLOGY ECOLOGY
卷 82, 期 1, 页码 63-74出版社
OXFORD UNIV PRESS
DOI: 10.1111/j.1574-6941.2012.01407.x
关键词
bacterial diversity; estuarine habitat; denaturing gradient gel electrophoresis profiling; pathogenic bacteria; shorebirds; 16S rRNA
类别
资金
- Fundacao para a Ciencia e Tecnologia (FCT), Portugal [PTDC/BIA-BDE/64063/2006, SFRH/BD/61311/2009]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/61311/2009, PTDC/BIA-BDE/64063/2006] Funding Source: FCT
The diversity of the cloacal microbial community in migratory shorebirds, caught at the Tagus estuary, Portugal, was assessed by cultivation (R2A and Nutrient Agar media) and denaturing gradient gel electrophoresis profiling (DGGE) to provide a better understanding of the birds potential to harbor and disperse pathogens. Three different bird species belonging to four different populations were studied: common redshank (Tringa totanus), black-winged stilt (Himantopus himantopus) and nominate and Icelandic populations of black-tailed godwit (Limosa limosa). DGGE profiling and partial 16S RNA gene sequences of 240 isolates, and 26 DGGE bands resulting in 58 clones, were analyzed. Most isolates were members of the phylum Firmicutes and Actinobacteria and only a small portion belonged to the Proteobacteria and Deinococcus-Thermus phyla. Potentially pathogenic strains carried by the birds were found such as Helicobacter and Staphylococcus in all bird species, and Clostridium, Mycobacterium, Rhodococcus, Legionella and Corynebacterium in black-winged stilts. Unexpectedly, bacteria from the phylum Deinococcus-Thermus were isolated in shorebirds and were present in all the bird species studied.
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