title: Yeast and bacterial diversity along a transect in an acidic, As-Fe rich environment revealed by cultural approaches.
abstract: Acid mine drainages (AMDs) are often thought to harbour low biodiversity, yet little is known about the diversity distribution along the drainages. Using culture-dependent approaches, the microbial diversity from the Carnoulès AMD sediment was investigated for the first time along a transect showing progressive environmental stringency decrease. In total, 20 bacterial genera were detected, highlighting a higher bacterial diversity than previously thought. Moreover, this approach led to the discovery of 16 yeast species, demonstrating for the first time the presence of this important phylogenetic group in this AMD. All in all, the location of the microbes along the transect helps to better understand their distribution in a pollution gradient.
authors.affiliation: UMR7156 Université de Strasbourg/CNRS, Génétique Moléculaire, Génomique, Microbiologie, Institut de Botanique, 28 rue Goethe, Strasbourg 67000, France. Electronic address: francois.delavat@unil.ch.
authors.forename: François
authors.initials: F
authors.lastname: Delavat
authors.forename: Marie-Claire
authors.initials: MC
authors.lastname: Lett
authors.forename: Didier
authors.initials: D
authors.lastname: Lièvremont
mesh_terms: D001419:Bacteria / Q000378:metabolism*; D044822:Biodiversity; D003470:Culture Media; D046508:Culture Techniques; D019015:Geologic Sediments / Q000382:microbiology*; D008906:Mining; D014877:Water Pollution, Chemical / Q000009:adverse effects; D015003:Yeasts / Q000378:metabolism*
chemical_list: D003470:Culture Media
keywords: Acid mine drainage (AMD); Carnoulès; Culture; Microbial diversity; Yeasts