{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T10:14:22Z","timestamp":1785406462742,"version":"3.56.0"},"reference-count":51,"publisher":"National Academy of Sciences","issue":"27","license":[{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100017666","name":"Agricultural Variety Improvement Project of Shandong Province","doi-asserted-by":"publisher","award":["2025LZGC001"],"award-info":[{"award-number":["2025LZGC001"]}],"id":[{"id":"10.13039\/501100017666","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"MOST | National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["W2412027"],"award-info":[{"award-number":["W2412027"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Special project of scientific and technological innnovation of Xinjiang research institute of arid area agricultural","award":["XJHQNY-2025-4"],"award-info":[{"award-number":["XJHQNY-2025-4"]}]}],"content-domain":{"domain":["www.pnas.org"],"crossmark-restriction":true},"short-container-title":["Proc. Natl. Acad. Sci. U.S.A."],"published-print":{"date-parts":[[2026,7,7]]},"abstract":"<jats:p>\n                    Heat stress poses a severe threat to global crop yields and food security. Here, we demonstrate that TaSnRK1\u03b11, the \u03b1-catalytic subunit of sucrose non-fermenting-1-related kinase 1, serves as a pivotal regulator that confers thermotolerance and enhances grain weight in wheat (\n                    <jats:italic toggle=\"yes\">Triticum aestivum<\/jats:italic>\n                    L.). The findings reveal that TaMYB55 directly binds to the\n                    <jats:italic toggle=\"yes\">TaSnRK1\u03b11<\/jats:italic>\n                    promoter to activate its expression, which positively contributes to heat tolerance in wheat. An A-to-G substitution in the\n                    <jats:italic toggle=\"yes\">TaSnRK1\u03b11<\/jats:italic>\n                    promoter enhances the binding affinity of TaMYB55, which cosegregates with wheat thermotolerant phenotypes. In addition, we show that TaSnRK1\u03b11 interacts with and phosphorylates the transcription factor TabZIP9, which subsequently promotes TabZIP9 degradation. Genetic analyses confirm that TaSnRK1\u03b11 functions upstream of TabZIP9, and loss or gain-of-function of\n                    <jats:italic toggle=\"yes\">TabZIP9<\/jats:italic>\n                    significantly alters thermotolerance in wheat by modulating reactive oxygen species homeostasis and scavenging capacity. Together, our findings shed light on the importance of the TaMYB55\u2013TaSnRK1\u03b11\u2013TabZIP9 signaling module in the regulation of heat tolerance, providing practical strategies for engineering climate-tolerant crops.\n                  <\/jats:p>","DOI":"10.1073\/pnas.2601097123","type":"journal-article","created":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T17:41:20Z","timestamp":1782927680000},"update-policy":"https:\/\/doi.org\/10.1073\/pnas.cm10313","source":"Crossref","is-referenced-by-count":0,"title":["The TaMYB55\u2013TaSnRK1\u03b11\u2013TabZIP9 module confers heat stress tolerance in wheat"],"prefix":"10.1073","volume":"123","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-3463-1700","authenticated-orcid":false,"given":"Wen","family":"Yang","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04v3ywz14","id-type":"ROR","asserted-by":"publisher"}],"name":"State Key Laboratory of High-Efficiency Production of Wheat-Maize Double Cropping, Frontiers 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