@article{fdi:010094400, title = {{E}xploring the skin {M}icrobiome of free-ranging {D}ugong dugon in new {C}aledonia}, author = {{S}tenger, {P}. {L}. and {B}onneville, {C}. {D}. and {A}nton-{L}eberre, {V}. and {C}leguer, {C}. and {F}auvelot, {C}{\'e}cile and {G}arrigue, {C}laire and {D}erville, {S}ol{\`e}ne and {M}ajorel, {C}larisse}, editor = {}, language = {{ENG}}, abstract = {{T}he skin microbiome plays a vital role in the health of marine mammals, serving as a protective barrier and interacting with the host's immune system. {T}here is limited knowledge about the skin microbiome of dugongs ({D}ugong dugon), a vulnerable species with declining groups due to anthropogenic threats. {T}his study provides the first comprehensive analysis of the skin microbiome of free-ranging dugongs in {N}ew {C}aledonia using 16{S} r{RNA} gene sequencing. {T}he results show that the dominant bacterial phyla on dugong skin are {P}seudomonadota, {B}acteroidota, and {C}ampylobacterota. {W}ithin {B}acteroidota, the genus {T}enacibaculum - which includes known opportunistic pathogens - was notably the most relatively abundant. {A}mong {P}seudomonadota, {P}sychrobacter was the most dominant genus; although it may contribute to maintaining skin homeostasis, its overrepresentation has been associated with compromised health in other marine mammals. {A}dditionally, the genera {A}rcobacter and {C}ampylobacter, both belonging to {C}ampylobacterota, include zoonotic species and may warrant future monitoring in dugong populations. {D}istinct variations were noted between sex, with females predominantly hosting {P}sychrobacter, while males had higher abundances of {K}inneretia and {D}asania. {O}ur results align with emerging evidence that marine mammal skin microbiota are shaped by host-specific traits, environmental conditions, and geographic context. {T}hese findings provide a baseline for future research on the skin microbiome of dugongs and highlight potential indicators of health and disease in this species.}, keywords = {{D}ugong dugon ; {S}kin {M}icrobiome ; 16{S} r{RNA} gene ; {M}etabarcoding ; {N}ew {C}aledonia ; {NOUVELLE} {CALEDONIE}}, booktitle = {}, journal = {{M}arine {B}iology}, volume = {172}, numero = {9}, pages = {139 [23 p.]}, ISSN = {0025-3162}, year = {2025}, DOI = {10.1007/s00227-025-04696-3}, URL = {https://www.documentation.ird.fr/hor/fdi:010094400}, }