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Full-Text Articles in Life Sciences
In Search Of An Uncultured Human-Associated Tm7 Bacterium In The Environment, Jorge Dinis, David Barton, Jamsheed Ghadiri, Deepa Surendar, Kavitha Reddy, Fernando Velasquez, Carol Chaffee, Mei-Chong Lee, Helen Gavrilova, Hazel Ozuna, Samuel Smits, Cleber Ouverney
In Search Of An Uncultured Human-Associated Tm7 Bacterium In The Environment, Jorge Dinis, David Barton, Jamsheed Ghadiri, Deepa Surendar, Kavitha Reddy, Fernando Velasquez, Carol Chaffee, Mei-Chong Lee, Helen Gavrilova, Hazel Ozuna, Samuel Smits, Cleber Ouverney
Faculty Publications, Biological Sciences
We have identified an environmental bacterium in the Candidate Division TM7 with ≥98.5% 16S rDNA gene homology to a group of TM7 bacteria associated with the human oral cavity and skin. The environmental TM7 bacterium (referred to as TM7a-like) was readily detectable in wastewater with molecular techniques over two years of sampling. We present the first images of TM7a-like cells through FISH technique and the first images of any TM7 as viable cells through the STARFISH technique. In situ quantification showed TM7 concentration in wastewater up to five times greater than in human oral sites. We speculate that upon further …