1887

Abstract

The bacterial diversity of the openings of the urogenital and anal tracts of the adult female tammar wallaby, , was determined in order to ascertain whether the physical proximity of the openings of these tracts within the cloaca affected the two populations of bacteria. Terminal restriction fragment length polymorphism (T-RFLP) analyses of 42 wallabies identified 81 different terminal fragments, indicative of diverse and complex microbiomes at these anatomical locations. Subsequent amplified rDNA restriction analysis (ARDRA) identified 72 phylotypes from the urogenital tract and 50 from the anal tract. Twenty-two of these phylotypes were common to both tracts. Phylogenetic analysis of sequenced 16S rDNA showed that 83 % of the phylotypes were unidentified species based on the premise that any sequence possessing <97 % homology to a known bacterial species or phylotype was novel. Thus, despite the close proximity of the openings of the urogenital and anal tracts within the cloaca, the two sites retained a diverse range of distinct bacteria, with only a small percentage of overlapping species.

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2008-05-01
2019-10-19
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Phylotypes isolated from the urogenital and anal tracts of the tammar wallaby [ PDF] (23 kb)



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