@article{fdi:010074476,
  title = {{E}vidence for mitigation of coral bleaching by manganese},
  author = {{B}iscere, {T}. and {F}errier-{P}ages, {C}. and {G}ilbert, {A}. and {P}ichler, {T}. and {H}oulbr{\`e}que, {F}anny},
  editor = {},
  language = {{ENG}},
  abstract = {{U}nprecedented mass coral bleaching events due to global warming and overall seawater pollution have been observed worldwide over the last decades. {A}lthough metals are often considered as toxic substances for corals, some are essential at nanomolar concentrations for physiological processes such as photosynthesis and antioxidant defenses. {T}his study was designed to elucidate, the individual and combined effects of nanomolar seawater enrichment in manganese ({M}n) and iron ({F}e), on the main physiological traits of {S}tylophora pistillata, maintained under normal growth and thermal stress conditions. {W}e provide, for the first time, evidence that {M}n is a key trace element for coral symbionts, enhancing cellular chlorophyll concentrations, photosynthetic efficiency and gross photosynthetic rates at ambient temperature. {O}ur experiment also highlights the key role of {M}n in increasing coral resistance to heat stress-induced bleaching. {W}hile {M}n-enriched corals did not bleach and did not reduce their rates of photosynthesis and calcification, control corals experienced significant bleaching. {O}n the contrary to {M}n, {F}e enrichment not only impaired calcification but induced significant bleaching. {S}uch information is an important step towards a better understanding of the response of corals to seawater enrichment in metals. {I}t can also explain, to some extent, species susceptibility to environmental stress.},
  keywords = {{COSTA} {RICA} ; {PANAMA} ; {MER} {ROUGE} ; {THAILANDE} ; {NOUVELLE} {CALEDONIE}},
  booktitle = {},
  journal = {{S}cientific {R}eports - {N}ature},
  volume = {8},
  numero = {},
  pages = {art. 16789 [10 p.]},
  ISSN = {2045-2322},
  year = {2018},
  DOI = {10.1038/s41598-018-34994-4},
  URL = {https://www.documentation.ird.fr/hor/fdi:010074476},
}