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Multiple approaches to microbial source tracking in tropical northern Australia.

Neave M, Luter H, Padovan A, Townsend S, Schobben X, Gibb K - Microbiologyopen (2014)

Bottom Line: To address this, we sampled sewage outfalls, other potential inputs, such as urban rivers and drains, and surrounding beaches, and used genetic fingerprints from E. coli and enterococci communities, fecal markers and 454 pyrosequencing to track contamination sources.Two other treated effluent discharges did not appear to influence sites other than those directly adjacent.Generally, connectivity between the sites was observed within distinct geographical locations and it appeared that most of the bacterial contamination on Darwin beaches was confined to local sources.

View Article: PubMed Central - PubMed

Affiliation: Research Institute for the Environment and Livelihoods, Charles Darwin University, Casuarina, Northern Territory, Australia.

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Related in: MedlinePlus

The 50 top ranked OTUs (at 97% similarity) in water for each sample category. Classification was to phyla except Proteobacteria, which were resolved to class.
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fig05: The 50 top ranked OTUs (at 97% similarity) in water for each sample category. Classification was to phyla except Proteobacteria, which were resolved to class.

Mentions: The microbial community at the phylum level was similar for all site types, except for the outfalls (Fig. 5). The outfalls were different due to higher proportions of Firmicutes and Betaproteobacteria, while the other sites were dominated by Alphaproteobacteria and Gammaproteobacteria.


Multiple approaches to microbial source tracking in tropical northern Australia.

Neave M, Luter H, Padovan A, Townsend S, Schobben X, Gibb K - Microbiologyopen (2014)

The 50 top ranked OTUs (at 97% similarity) in water for each sample category. Classification was to phyla except Proteobacteria, which were resolved to class.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4263510&req=5

fig05: The 50 top ranked OTUs (at 97% similarity) in water for each sample category. Classification was to phyla except Proteobacteria, which were resolved to class.
Mentions: The microbial community at the phylum level was similar for all site types, except for the outfalls (Fig. 5). The outfalls were different due to higher proportions of Firmicutes and Betaproteobacteria, while the other sites were dominated by Alphaproteobacteria and Gammaproteobacteria.

Bottom Line: To address this, we sampled sewage outfalls, other potential inputs, such as urban rivers and drains, and surrounding beaches, and used genetic fingerprints from E. coli and enterococci communities, fecal markers and 454 pyrosequencing to track contamination sources.Two other treated effluent discharges did not appear to influence sites other than those directly adjacent.Generally, connectivity between the sites was observed within distinct geographical locations and it appeared that most of the bacterial contamination on Darwin beaches was confined to local sources.

View Article: PubMed Central - PubMed

Affiliation: Research Institute for the Environment and Livelihoods, Charles Darwin University, Casuarina, Northern Territory, Australia.

Show MeSH
Related in: MedlinePlus