{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T08:40:11Z","timestamp":1787647211131,"version":"build-2736575974"},"reference-count":40,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2025,8,28]],"date-time":"2025-08-28T00:00:00Z","timestamp":1756339200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100018542","name":"Natural Science Foundation of Sichuan Province","doi-asserted-by":"publisher","award":["2021ZDZX0012"],"award-info":[{"award-number":["2021ZDZX0012"]}],"id":[{"id":"10.13039\/501100018542","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["32072659"],"award-info":[{"award-number":["32072659"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["U22A20494"],"award-info":[{"award-number":["U22A20494"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Plant Biotechnology Journal"],"published-print":{"date-parts":[[2025,12]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Phosphorus is a crucial nutrient for the normal growth and development of rice. Enhancing the efficiency of phosphorus acquisition in plants is vital for optimising soil phosphorus utilisation. The SUMO E3 ligase OsSIZ1 is an important factor for regulating plant phosphorus acquisition and starvation response in rice. However, how its activity responds to Pi\u2010supplied conditions remains unknown. In this study, we discovered that the mutations in\n                    <jats:italic>OsCK2\u03b23<\/jats:italic>\n                    , which encodes a regulatory subunit of CK2, influenced the Pi starvation response. The global level of SUMOylation was found to decrease in\n                    <jats:italic>Osck2\u03b23<\/jats:italic>\n                    mutants, mirroring the effects observed under Pi\u2010deficiency treatment. Additionally, we identified that OsCK2 can interact with and phosphorylate OsSIZ1, thereby impacting its stability. Transcriptome analysis with\n                    <jats:italic>Ossiz1<\/jats:italic>\n                    and\n                    <jats:italic>Osck2\u03b23<\/jats:italic>\n                    mutants revealed that the \u2018OsCK2\u2010OsSIZ1\u2019 module primarily regulates defence responses by influencing the expression of genes associated with the biosynthesis of diterpenoid phytoalexins and pathogenesis\u2010related genes, in addition to impacting the response to phosphate starvation. Notably, the overexpression of a variant of OsSIZ1, in which the phosphorylation sites targeted by OsCK2 were mutated, enhanced phosphorus acquisition and defence responses while preserving normal growth. Consequently, we not only showed how OsSIZ1 activity responds to Pi starvation but also created a variant of OsSIZ1 that improves phosphorus acquisition efficiency and enhances resistance against multiple pathogens, all without inducing growth defects.\n                  <\/jats:p>","DOI":"10.1111\/pbi.70342","type":"journal-article","created":{"date-parts":[[2025,8,28]],"date-time":"2025-08-28T12:39:10Z","timestamp":1756384750000},"page":"5762-5777","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["<scp>OsCK2<\/scp>\n                    Phosphorylates\n                    <scp>OsSIZ1<\/scp>\n                    to Regulate Phosphate Starvation Response and Defence Response in Rice"],"prefix":"10.1111","volume":"23","author":[{"given":"Mengyang","family":"Xie","sequence":"first","affiliation":[{"name":"Key Laboratory of Bio\u2010Resource and Eco\u2010Environment of Ministry of Education, College of Life Sciences, Southwest Bio\u2010resources R&amp;D Key Laboratory of Sichuan Province, State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University  Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoli","family":"Yang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Bio\u2010Resource and Eco\u2010Environment of Ministry of Education, College of Life Sciences, Southwest Bio\u2010resources R&amp;D Key Laboratory of Sichuan Province, State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University  Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wang","family":"Chen","sequence":"additional","affiliation":[{"name":"Key Laboratory of Bio\u2010Resource and Eco\u2010Environment of Ministry of Education, College of Life Sciences, Southwest Bio\u2010resources R&amp;D Key Laboratory of Sichuan Province, State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University  Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hudong","family":"Kuang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Bio\u2010Resource and Eco\u2010Environment of Ministry of Education, College of Life Sciences, Southwest Bio\u2010resources R&amp;D Key Laboratory of Sichuan Province, State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University  Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanhua","family":"Zhu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Bio\u2010Resource and Eco\u2010Environment of Ministry of Education, College of Life Sciences, Southwest Bio\u2010resources R&amp;D Key Laboratory of Sichuan Province, State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University  Chengdu 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