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We compared two\n                    <jats:italic toggle=\"yes\">Microcystis aeruginosa<\/jats:italic>\n                    strains (PCC7806 and Lake Kinneret isolated strain C-1004). PCC7806 maintained viability while increasing dark respiration and sustaining a larger, active plastocyanin pool and turnover. C-1004 maintained higher photosystem II activity but showed reduced respiration and reduced biomass. Overall, the results suggest that respiratory compensation, rather than residual photochemical throughput, aligns with survival under this condition. Such differences could contribute to seasonal shifts in strain dominance and point to respiration as an important survival mechanism in cyanobacteria during heat stress.\n                  <\/jats:p>","DOI":"10.1126\/sciadv.adz4338","type":"journal-article","created":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T17:59:03Z","timestamp":1780509543000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":1,"title":["Compensatory respiration supports survival during extended heat stress in\n                    <i>Microcystis aeruginosa<\/i>"],"prefix":"10.1126","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3429-4065","authenticated-orcid":true,"given":"Oded","family":"Liran","sequence":"first","affiliation":[{"name":"Yigal Alon Kinneret Limnological Institute, Israel Oceanographic and Limnological Research, Migdal 149500, Israel."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5213-8851","authenticated-orcid":true,"given":"Eli","family":"Shemesh","sequence":"additional","affiliation":[{"name":"Leon Charney School of Marine Sciences, University of Haifa, Haifa 345000, Israel."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dan","family":"Tchernov","sequence":"additional","affiliation":[{"name":"Leon Charney School of Marine Sciences, University of Haifa, Haifa 345000, Israel."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kevin J.","family":"Kunstman","sequence":"additional","affiliation":[{"name":"Genomics and Microbiome Core Facility, Rush University, Chicago, IL 60612, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2781-359X","authenticated-orcid":true,"given":"Stefan J.","family":"Green","sequence":"additional","affiliation":[{"name":"Genomics and Microbiome Core Facility, Rush University, Chicago, IL 60612, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Surabhi","family":"Naik","sequence":"additional","affiliation":[{"name":"Rush Research Bioinformatics Core, Rush University, Chicago, IL 60612, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5138-1366","authenticated-orcid":true,"given":"Hagit","family":"Zer","sequence":"additional","affiliation":[{"name":"Alexander Silverman Institute of Life Sciences, Hebrew University of Jerusalem, Givat Ram, Jerusalem 9190401, Israel."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nir","family":"Keren","sequence":"additional","affiliation":[{"name":"Alexander Silverman Institute of Life Sciences, Hebrew University of Jerusalem, Givat Ram, Jerusalem 9190401, Israel."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2115-5488","authenticated-orcid":true,"given":"Assaf","family":"Sukenik","sequence":"additional","affiliation":[{"name":"Yigal Alon Kinneret Limnological Institute, Israel Oceanographic and Limnological Research, Migdal 149500, Israel."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-4620-3606","authenticated-orcid":true,"given":"Reham Kh.","family":"Khalil","sequence":"additional","affiliation":[{"name":"Yigal Alon Kinneret Limnological Institute, Israel Oceanographic and Limnological Research, Migdal 149500, Israel."},{"name":"Tel-Hai Academic College, Upper Galilee 1220800, Israel."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"221","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0070747"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-8137.1994.tb02987.x"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11356-015-5313-x"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.3389\/fmicb.2023.1200816"},{"key":"e_1_3_2_6_2","doi-asserted-by":"crossref","unstructured":"P. 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