@article{fdi:010062924, title = {{S}patial distribution of microbial communities in the shallow submarine alkaline hydrothermal field of the {P}rony bay, {N}ew {C}aledonia}, author = {{Q}u{\'e}m{\'e}neur, {M}arianne and {B}es, {M}. and {P}ostec, {A}. and {M}ei, {N}. and {H}amelin, {J}. and {M}onnin, {C}. and {C}havagnac, {V}. and {P}ayri, {C}laude and {P}elletier, {B}ernard and {G}uentas-{D}ombrowsky, {L}inda and {G}{\'e}rard, {M}artine and {P}isapia, {C}. and {G}{\'e}rard, {E}. and {M}{\'e}nez, {B}. and {O}llivier, {B}ernard and {E}rauso, {G}.}, editor = {}, language = {{ENG}}, abstract = {{T}he shallow submarine hydrothermal field of the {P}rony {B}ay ({N}ew {C}aledonia) discharges hydrogen- and methane-rich fluids with low salinity, temperature (< 40°{C}) and high p{H} (11) produced by the serpentinization reactions of the ultramafic basement into the lagoon seawater. {T}hey are responsible for the formation of carbonate chimneys at the lagoon seafloor. {C}apillary electrophoresis single-strand conformation polymorphism fingerprinting, quantitative polymerase chain reaction and sequence analysis of 16{S} r{RNA} genes revealed changes in microbial community structure, abundance and diversity depending on the location, water depth, and structure of the carbonate chimneys. {T}he low archaeal diversity was dominated by few uncultured {M}ethanosarcinales similar to those found in other serpentinization-driven submarine and subterrestrial ecosystems (e.g. {L}ost {C}ity, {T}he {C}edars). {T}he most abundant and diverse bacterial communities were mainly composed of {C}hloroflexi, {D}einococcus-{T}hermus, {F}irmicutes and {P}roteobacteria. {F}unctional gene analysis revealed similar abundance and diversity of both {M}ethanosarcinales methanoarchaea, and {D}esulfovibrionales and {D}esulfobacterales sulfate-reducers in the studied sites. {M}olecular studies suggest that redox reactions involving hydrogen, methane and sulfur compounds (e.g. sulfate) are the energy driving forces of the microbial communities inhabiting the {P}rony hydrothermal system.}, keywords = {{LAGON} ; {MILIEU} {RECIFAL} ; {FOND} {MARIN} ; {ROCHE} {ULTRABASIQUE} ; {FAUNE} {BENTHIQUE} ; {MICROORGANISME} ; {STRUCTURE} {DU} {PEUPLEMENT} ; {ABONDANCE} ; {DIVERSITE} {SPECIFIQUE} ; {PROFONDEUR} ; {PHYLOGENIE} ; {FAUNE} {HYDROTHERMALE} ; {NOUVELLE} {CALEDONIE} ; {PACIFIQUE} ; {PRONY} {BAIE}}, booktitle = {}, journal = {{E}nvironmental {M}icrobiology {R}eports}, volume = {6}, numero = {6}, pages = {665–674}, ISSN = {1758-2229}, year = {2014}, DOI = {10.1111/1758-2229.12184}, URL = {https://www.documentation.ird.fr/hor/fdi:010062924}, }