@article{fdi:010084696, title = {{T}he coral reef-dwelling {P}eneroplis spp. shows calcification recovery to ocean acidification conditions}, author = {{C}harrieau, {L}. {M}. and {N}agai, {Y}. and {K}imoto, {K}. and {D}issard, {D}elphine and {B}elow, {B}. and {F}ujita, {K}. and {T}oyofuku, {T}.}, editor = {}, language = {{ENG}}, abstract = {{L}arge {B}enthic {F}oraminifera are a crucial component of coral-reef ecosystems, which are currently threatened by ocean acidification. {W}e conducted culture experiments to evaluate the impact of low p{H} on survival and test dissolution of the symbiont-bearing species {P}eneroplis spp., and to observe potential calcification recovery when specimens are placed back under reference p{H} value (7.9). {W}e found that {P}eneroplis spp. displayed living activity up to 3 days at p{H} 6.9 (omega(cal) < 1) or up to 1 month at p{H} 7.4 (omega(cal) > 1), despite the dark and unfed conditions. {D}issolution features were observed under low omega(cal) values, such as changes in test density, peeled extrados layers, and decalcified tests with exposed organic linings. {A} new calcification phase started when specimens were placed back at reference p{H}. {T}his calcification's resumption was an addition of new chambers without reparation of the dissolved parts, which is consistent with the porcelaneous calcification pathway of {P}eneroplis spp. {T}he most decalcified specimens displayed a strong survival response by adding up to 8 new chambers, and the contribution of food supply in this process was highlighted. {T}hese results suggest that porcelaneous {LBF} species have some recovery abilities to short exposure (e.g., 3 days to 1 month) to acidified conditions. {H}owever, the geochemical signature of trace elements in the new calcite was impacted, and the majority of the new chambers were distorted and resulted in abnormal tests, which might hinder the specimens' reproduction and thus their survival on the long term.}, keywords = {}, booktitle = {}, journal = {{S}cientific {R}eports - {N}ature}, volume = {12}, numero = {1}, pages = {6373 [12 p.]}, ISSN = {2045-2322}, year = {2022}, DOI = {10.1038/s41598-022-10375-w}, URL = {https://www.documentation.ird.fr/hor/fdi:010084696}, }