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Soc. Open Sci."],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:p>\n                    Heat stress can disrupt acid\u2013base homeostasis in reef-building corals and other tropical cnidarians, often leading to cellular acidosis that can undermine organismal function. Temperate cnidarians experience a high degree of seasonal temperature variability, leading us to hypothesize that temperate taxa have more thermally robust pH homeostasis than their tropical relatives. To test this, we investigated how elevated temperature affects intracellular pH and calcification in the temperate coral\n                    <jats:italic toggle=\"yes\">Astrangia poculata<\/jats:italic>\n                    . Clonal pairs were exposed to elevated (30\u00b0C) or control (22\u00b0C) temperatures for 17 days. Despite causing damage to host tissues and symbiont cells, elevated temperature did not affect intracellular pH or inhibit calcification in\n                    <jats:italic toggle=\"yes\">A. poculata<\/jats:italic>\n                    . These responses contrast with those of tropical cnidarians, which experience cellular acidification and decreased growth during heat stress.\n                    <jats:italic toggle=\"yes\">Astrangia poculata<\/jats:italic>\n                    therefore appears to have thermally resilient cellular acid\u2013base homeostasis mechanisms, possibly because of adaptation to large seasonal temperature variations. However, we also observed tissue damage and lower egg densities in heat-treated individuals, suggesting that increasingly severe marine heatwaves can still threaten temperate coral fitness. These results provide insight into corals\u2019 nuanced adaptive capacity across latitudes and biological scales.\n                  <\/jats:p>","DOI":"10.1098\/rsos.251528","type":"journal-article","created":{"date-parts":[[2025,11,26]],"date-time":"2025-11-26T00:06:23Z","timestamp":1764115583000},"update-policy":"https:\/\/doi.org\/10.1098\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["The temperate coral\n                    <i>Astrangia poculata<\/i>\n                    maintains acid\u2013base homeostasis through heat stress"],"prefix":"10.1098","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7057-3926","authenticated-orcid":true,"given":"Luella","family":"Allen-Waller","sequence":"first","affiliation":[{"name":"Department of Ecology and Evolution, The University of Chicago","place":["Chicago, USA"]},{"name":"Department of Biology, University of Pennsylvania","place":["Philadelphia, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2288-6389","authenticated-orcid":true,"given":"Benjamin H.","family":"Glass","sequence":"additional","affiliation":[{"name":"Department of Biology, University of Pennsylvania","place":["Philadelphia, USA"]},{"name":"Department of Biology, Boston University","place":["Boston, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katelyn G.","family":"Jones","sequence":"additional","affiliation":[{"name":"Department of Biology, University of Pennsylvania","place":["Philadelphia, USA"]},{"name":"Department of Biology, Amherst College","place":["Amherst, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna G.","family":"Dworetzky","sequence":"additional","affiliation":[{"name":"Department of Biology, University of Pennsylvania","place":["Philadelphia, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7371-4870","authenticated-orcid":true,"given":"Katie L.","family":"Barott","sequence":"additional","affiliation":[{"name":"Department of Biology, University of Pennsylvania","place":["Philadelphia, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"175","published-online":{"date-parts":[[2025,11,26]]},"reference":[{"key":"e_1_3_8_2_2","doi-asserted-by":"publisher","DOI":"10.1098\/rstb.2012.0083"},{"key":"e_1_3_8_3_2","doi-asserted-by":"publisher","DOI":"10.1111\/eva.12137"},{"key":"e_1_3_8_4_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1420-9101.2010.02169.x"},{"key":"e_1_3_8_5_2","doi-asserted-by":"publisher","DOI":"10.1086\/693345"},{"key":"e_1_3_8_6_2","doi-asserted-by":"publisher","DOI":"10.1093\/jhered\/esv060"},{"key":"e_1_3_8_7_2","doi-asserted-by":"publisher","DOI":"10.1086\/284913"},{"key":"e_1_3_8_8_2","doi-asserted-by":"publisher","DOI":"10.1086\/282487"},{"key":"e_1_3_8_9_2","doi-asserted-by":"publisher","DOI":"10.1146\/annurev-marine-032720-095144"},{"key":"e_1_3_8_10_2","doi-asserted-by":"publisher","DOI":"10.5670\/oceanog.2013.27"},{"key":"e_1_3_8_11_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature21707"},{"key":"e_1_3_8_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cub.2017.04.047"},{"key":"e_1_3_8_13_2","doi-asserted-by":"publisher","DOI":"10.1093\/icb\/icac074"},{"key":"e_1_3_8_14_2","doi-asserted-by":"publisher","DOI":"10.1007\/s40641-017-0082-x"},{"key":"e_1_3_8_15_2","doi-asserted-by":"publisher","DOI":"10.7717\/peerj.16574"},{"key":"e_1_3_8_16_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00338-011-0721-y"},{"key":"e_1_3_8_17_2","doi-asserted-by":"publisher","DOI":"10.1002\/lno.12000"},{"key":"e_1_3_8_18_2","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.2025435118"},{"key":"e_1_3_8_19_2","article-title":"Thermally variable, macrotidal reef habitats promote rapid recovery from mass coral bleaching","volume":"7","author":"Schoepf V","year":"2020","unstructured":"Schoepf V, Jung MU, McCulloch MT, White NE, Stat M, Thomas L. 2020 Thermally variable, macrotidal reef habitats promote rapid recovery from mass coral bleaching. 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