@article{fdi:010081550, title = {{M}etabolic diversity among main microorganisms inside an arsenic-rich ecosystem revealed by meta- and proteo-genomics}, author = {{B}ertin, {P}. {N}. and {H}einrich-{S}almeron, {A}. and {P}elletier, {E}. and {G}oulhen-{C}hollet, {F}. and {A}rsene-{P}loetze, {F}. and {G}allien, {S}. and {L}auga, {B}. and {C}asiot, {C}. and {C}alteau, {A}. and {V}allenet, {D}. and {B}onnefoy, {V}. and {B}runeel, {O}dile and {C}hane-{W}oon-{M}ing, {B}. and {C}leiss-{A}rnold, {J}. and {D}uran, {R}. and {E}lbaz-{P}oulichet, {F}. and {F}onknechten, {N}. and {G}iloteaux, {L}. and {H}alter, {D}. and {K}oechler, {S}. and {M}archal, {M}. and {M}ornico, {D}. and {S}chaeffer, {C}. and {S}mith, {A}. {A}. {T}. and {V}an {D}orsselaer, {A}. and {W}eissenbach, {J}. and {M}edigue, {C}. and {L}e {P}aslier, {D}.}, editor = {}, language = {{ENG}}, abstract = {{B}y their metabolic activities, microorganisms have a crucial role in the biogeochemical cycles of elements. {T}he complete understanding of these processes requires, however, the deciphering of both the structure and the function, including synecologic interactions, of microbial communities. {U}sing a metagenomic approach, we demonstrated here that an acid mine drainage highly contaminated with arsenic is dominated by seven bacterial strains whose genomes were reconstructed. {F}ive of them represent yet uncultivated bacteria and include two strains belonging to a novel bacterial phylum present in some similar ecosystems, and which was named '{C}andidatus {F}odinabacter communificans.' {M}etaproteomic data unravelled several microbial capabilities expressed in situ, such as iron, sulfur and arsenic oxidation that are key mechanisms in biomineralization, or organic nutrient, amino acid and vitamin metabolism involved in synthrophic associations. {A} statistical analysis of genomic and proteomic data and reverse transcriptase-{PCR} experiments allowed us to build an integrated model of the metabolic interactions that may be of prime importance in the natural attenuation of such anthropized ecosystems.}, keywords = {microbial genomics ; extreme environment ; uncultured microorganism ; bacterial phylum ; synecology ; functional ecology}, booktitle = {}, journal = {{ISME} {J}ournal}, volume = {5}, numero = {11}, pages = {1735--1747}, ISSN = {1751-7362}, year = {2011}, DOI = {10.1038/ismej.2011.51}, URL = {https://www.documentation.ird.fr/hor/fdi:010081550}, }