{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T10:21:40Z","timestamp":1788430900732,"version":"build-2803163510"},"reference-count":86,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T00:00:00Z","timestamp":1788393600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T00:00:00Z","timestamp":1788393600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100014103","name":"Key Technology Research and Development Program of Shandong","doi-asserted-by":"publisher","award":["2024KJHZ028"],"award-info":[{"award-number":["2024KJHZ028"]}],"id":[{"id":"10.13039\/100014103","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Plant Cell &amp; Environment"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Potato growth and development are inhibited by drought stress, which in extreme situations jeopardises tuber yield and quality. Despite progress in understanding drought stress responses, the full regulatory network remains unclear. In this study, we found that the cell wall\u2010localised expansin gene\n                    <jats:italic>StEXLB1<\/jats:italic>\n                    was significantly induced by polyethylene glycol 6000 (PEG6000) and abscisic acid (ABA).\n                    <jats:italic>StEXLB1\u2010<\/jats:italic>\n                    Overexpression (OE) reduced stomatal density and aperture, accompanied by enhancing drought tolerance. Conversely RNA interference (RNAi) lines exhibited the opposite effects. Further investigation revealed that the transcription factor StMYB55 directly promotes\n                    <jats:italic>StEXLB1<\/jats:italic>\n                    transcription. Notably,\n                    <jats:italic>StMYB55<\/jats:italic>\n                    \u2010OE resulted in stomatal phenotypes similar to those in\n                    <jats:italic>StEXLB1<\/jats:italic>\n                    \u2010OE lines. Conversely,\n                    <jats:italic>StMYB55<\/jats:italic>\n                    \u2010RNAi increased stomatal density and aperture, as well as reduced drought tolerance. StMYB55 interacts with the ABA receptor StPYL8 and the molecular chaperone StDnaJ3, respectively. This complex then acts to differentially suppress the transcript levels of key stomatal development factors (\n                    <jats:italic>StSPCH<\/jats:italic>\n                    and\n                    <jats:italic>StFAMA<\/jats:italic>\n                    ). Genetic evidence showed that\n                    <jats:italic>StPYL8<\/jats:italic>\n                    \u2010RNAi resulted in increased stomatal density and aperture, which was associated with decreased drought tolerance in potato. Collectively, this study suggests that the StMYB55\/StPYL8\u2010StEXLB1 module may participate in drought stress response, potentially via stomatal regulation, and provides candidate genes for breeding drought\u2010tolerant potato varieties.\n                  <\/jats:p>","DOI":"10.1111\/pce.70864","type":"journal-article","created":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T10:07:37Z","timestamp":1788430057000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The StMYB55\/StPYL8\u2010StEXLB1 Module Is Associated With Drought Tolerance and Stomatal Regulation in Potato"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-9595-7597","authenticated-orcid":false,"given":"Hongju","family":"Jian","sequence":"first","affiliation":[{"name":"Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Chongqing Technology Innovation Center of Breeding Southwest University Chongqing China"},{"name":"College of Agronomy and Biotechnology Southwest University Chongqing China"},{"name":"Chongqing Key Laboratory of Biology and Genetic Breeding for Tuber and Root Crops Southwest University Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ke","family":"Wang","sequence":"additional","affiliation":[{"name":"Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Chongqing Technology Innovation Center of Breeding Southwest University Chongqing China"},{"name":"College of Agronomy and Biotechnology Southwest University Chongqing China"},{"name":"Chongqing Key Laboratory of Biology and Genetic Breeding for Tuber and Root Crops Southwest University Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weixi","family":"Chen","sequence":"additional","affiliation":[{"name":"Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Chongqing Technology Innovation Center of Breeding Southwest University Chongqing China"},{"name":"College of Agronomy and Biotechnology Southwest University Chongqing China"},{"name":"Chongqing Key Laboratory of Biology and Genetic Breeding for Tuber and Root Crops Southwest University Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haonan","family":"Sun","sequence":"additional","affiliation":[{"name":"College of Agronomy and Biotechnology Southwest University Chongqing China"},{"name":"Chongqing Key Laboratory of Biology and Genetic Breeding for Tuber and Root Crops Southwest University Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-8427-2681","authenticated-orcid":false,"given":"Wenzhe","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Agronomy and Biotechnology Southwest University Chongqing China"},{"name":"Chongqing Key Laboratory of Biology and Genetic Breeding for Tuber and Root Crops Southwest University Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meihua","family":"Zhang","sequence":"additional","affiliation":[{"name":"Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Chongqing Technology Innovation Center of Breeding Southwest University Chongqing China"},{"name":"College of Agronomy and Biotechnology Southwest University Chongqing China"},{"name":"Chongqing Key Laboratory of Biology and Genetic Breeding for Tuber and Root Crops Southwest University Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-5127-1686","authenticated-orcid":false,"given":"Xinlong","family":"Chen","sequence":"additional","affiliation":[{"name":"Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Chongqing Technology Innovation Center of Breeding Southwest University Chongqing China"},{"name":"College of Agronomy and Biotechnology Southwest University Chongqing China"},{"name":"Chongqing Key Laboratory of Biology and Genetic Breeding for Tuber and Root Crops Southwest University Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan","family":"Li","sequence":"additional","affiliation":[{"name":"Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Chongqing Technology Innovation Center of Breeding Southwest University Chongqing China"},{"name":"College of Agronomy and Biotechnology Southwest University Chongqing China"},{"name":"Chongqing Key Laboratory of Biology and Genetic Breeding for Tuber and Root Crops Southwest University Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4488-6013","authenticated-orcid":false,"given":"Philip James","family":"Kear","sequence":"additional","affiliation":[{"name":"International Potato Center (CIP) China Center Asia Pacific Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dianqiu","family":"Lv","sequence":"additional","affiliation":[{"name":"Integrative Science Center of Germplasm Creation in Western China (CHONGQING) Science City, Chongqing Technology Innovation Center of Breeding Southwest University Chongqing China"},{"name":"College of Agronomy and Biotechnology Southwest University Chongqing China"},{"name":"Chongqing Key Laboratory of Biology and Genetic Breeding for Tuber and Root Crops Southwest University Chongqing China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,3]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"crossref","first-page":"15811","DOI":"10.3390\/ijms160715811","article-title":"Plant MYB Transcription Factors: Their Role in Drought Response Mechanisms","volume":"16","author":"Baldoni E.","year":"2015","journal-title":"International Journal of 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