@article{fdi:010075603, title = {{C}ontrasted ecological niches shape fungal and prokaryotic community structure in mangroves sediments}, author = {{L}uis, {P}. and {S}aint-{G}enis, {G}. and {V}allon, {L}. and {B}ourgeois, {C}. and {B}ruto, {M}. and {M}archand, {C}yril and {R}ecord, {E}. and {H}ugoni, {M}.}, editor = {}, language = {{ENG}}, abstract = {{M}angroves are forest ecosystems located at the interface between land and sea where sediments presented a variety of contrasted environmental conditions (i.e. oxic/anoxic, non-sulfidic/sulfidic, organic matter content) providing an ideal ecosystem to study microbial communities with niche differentiation and distinct community structures. {I}n this work, prokaryotic and fungal compositions were investigated during both wet and dry seasons in {N}ew {C}aledonian mangrove sediments, from the surface to deeper horizons under the two most common tree species in this region ({A}vicennia marina and {R}hizophora stylosa), using high-throughput sequencing. {O}ur results showed that {B}acteria and {A}rchaea communities were mainly shaped by sediment depth while the fungal community was almost evenly distributed according to sediment depth, vegetation cover and season. {A} detailed analysis of prokaryotic and fungal phyla showed a dominance of {A}scomycota over {B}asidiomycota whatever the compartment, while there was a clear shift in prokaryotic composition. {S}ome prokaryotic phyla were enriched in surface layers such as {P}roteobacteria, {E}uryarchaeota while others were mostly associated with deeper layers as {C}hloroflexi, {B}athyarchaeota, {A}minicenantes. {O}ur results highlight the importance of considering fungal and prokaryotic counterparts for a better understanding of the microbial succession involved in plant organic matter decomposition in tropical coastal sediments.}, keywords = {{NOUVELLE} {CALEDONIE} ; {PACIFIQUE} {SUD}}, booktitle = {}, journal = {{E}nvironmental {M}icrobiology}, volume = {21}, numero = {4}, pages = {1407--1424}, ISSN = {1462-2912}, year = {2019}, DOI = {10.1111/1462-2920.14571}, URL = {https://www.documentation.ird.fr/hor/fdi:010075603}, }