@article{fdi:010077950, title = {{C}orals exhibit distinct patterns of microbial reorganisation to thrive in an extreme inshore environment}, author = {{C}amp, {E}. {F}. and {S}uggett, {D}. {J}. and {P}ogoreutz, {C}. and {N}itschke, {M}. {R}. and {H}oulbr{\`e}que, {F}anny and {H}ume, {B}. {C}. {C}. and {G}ardner, {S}. {G}. and {Z}ampighi, {M}. and {R}odolfo-{M}etalpa, {R}iccardo and {V}oolstra, {C}. {R}.}, editor = {}, language = {{ENG}}, abstract = {{C}limate change threatens the survival of scleractinian coral from exposure to concurrent ocean warming, acidification and deoxygenation; how corals can potentially adapt to this trio of stressors is currently unknown. {T}his study investigates three coral species ({A}cropora muricata, {A}cropora pulchra and {P}orites lutea) dominant in an extreme mangrove lagoon ({B}ourake, {N}ew {C}aledonia) where abiotic conditions exceed those predicted for many reef sites over the next 100 years under climate change and compared them to conspecifics from an environmentally more benign reef habitat. {W}e studied holobiont physiology as well as plasticity in coral-associated microorganisms ({S}ymbiodiniaceae and bacteria) through {ITS}2 and 16{S} r{RNA} sequencing, respectively. {W}e hypothesised that differences in coral-associated microorganisms ({S}ymbiodiniaceae and bacteria) between the lagoonal and adjacent reef habitats may support coral host productivity and ultimately the ability of corals to live in extreme environments. {I}n the lagoon, all coral species exhibited a metabolic adjustment of reduced photosynthesis-to-respiration ratios ({P}/{R}), but this was accompanied by highly divergent coral host-specific microbial associations. {T}his was substantiated by the absence of shared {ITS}2-type profiles (proxies for {S}ymbiodiniaceae genotypes). {W}e observed that {ITS}2 profiles originating from {D}urusdinium taxa made up < 3% and a novel {S}ymbiodinium {ITS}2 profile {A}1-{A}1v associated with {A}. pulchra. {B}acterial community profiles were also highly divergent in corals from the lagoonal environment, whereas corals from the reef site were consistently dominated by {H}ahellaceae, {E}ndozoicomonas. {A}s such, differences in host-microorganism associations aligned with different physiologies and habitats. {O}ur results argue that a multitude of host-microorganism associations are required to fulfill the changing nutritional demands of corals persisting into environments that parallel climate change scenarios.}, keywords = {{S}ymbiodiniaceae ; {M}angrove ; {M}icrobial plasticity ; {C}limate change ; 16{S} ; r{RNA} ; {ITS}2 ; {C}oral reef ; {NOUVELLE} {CALEDONIE} ; {BOURAKE}}, booktitle = {}, journal = {{C}oral {R}eefs}, volume = {39}, numero = {3}, pages = {701--716}, ISSN = {0722-4028}, year = {2020}, DOI = {10.1007/s00338-019-01889-3}, URL = {https://www.documentation.ird.fr/hor/fdi:010077950}, }