{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T16:20:11Z","timestamp":1785860411614,"version":"3.56.0"},"reference-count":50,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Plant Cell &amp;amp; Environment"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    <jats:italic>Elymus sibiricus<\/jats:italic>\n                    L., a perennial grass critical for livestock production and ecological restoration on the Qinghai\u2010Tibet Plateau, is frequently exposed to intense high\u2010altitude light stress. NAC transcription factors are key regulators of plant development and stress responses, yet they remain uncharacterised in\n                    <jats:italic>E. sibiricus<\/jats:italic>\n                    . Here, we reported the first genome\u2010wide analysis of the NAC family in this allotetraploid species and identified 290\n                    <jats:italic>EsNAC<\/jats:italic>\n                    genes. These genes are classified into 14 subfamilies, 11 of which have undergone significant expansion mainly through segmental duplication events, a process that may contribute to adaptation on the Qinghai\u2010Tibet Plateau. We observed pronounced enrichment of light\u2010responsive\n                    <jats:italic>cis<\/jats:italic>\n                    \u2010elements in the promoters of\n                    <jats:italic>EsNAC<\/jats:italic>\n                    genes. Consistent with this, we identified a significant overlap between\n                    <jats:italic>Arabidopsis AtNAC<\/jats:italic>\n                    genes and a set of light\u2010repressed genes, implicating the NAC family in light\u2010inhibition pathways. To explore how\n                    <jats:italic>E. sibiricus<\/jats:italic>\n                    copes with high\u2010light stress, we functionally characterised EsNAC29, a homologue of\n                    <jats:italic>Arabidopsis<\/jats:italic>\n                    ANAC029\/AtNAP. Heterologous overexpression of\n                    <jats:italic>EsNAC29<\/jats:italic>\n                    in\n                    <jats:italic>Arabidopsis<\/jats:italic>\n                    recapitulated a strong light\u2010inhibition phenotype, including chlorosis and dwarfism, with the chlorophyll content, plant height, and fresh weight reduced by more than 32%, 48%, and 80%, respectively. Transcriptomic profiling revealed that EsNAC29 represses chlorophyll\u2010biosynthesis and photosynthesis\u2010related genes while up\u2010regulating light\u2010repressed and defence\u2010related pathways. These findings establish EsNAC29 as a key negative regulator of photosynthesis and an integrative node that links light perception with stress adaptation, providing molecular insights into how the grasses of the plateau acclimate to intense light environments.\n                  <\/jats:p>","DOI":"10.1111\/pce.70632","type":"journal-article","created":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T05:55:32Z","timestamp":1780379732000},"page":"6621-6634","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Genome\u2011Wide Identification of NAC Transcription Factors in\n                    <i>Elymus sibiricus<\/i>\n                    and Functional Characterisation of\n                    <i>EsNAC29<\/i>\n                    in Light Inhibition"],"prefix":"10.1111","volume":"49","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-2347-5793","authenticated-orcid":false,"given":"Meijun","family":"Zhou","sequence":"first","affiliation":[{"name":"College of Life Sciences and Agri\u2010Forestry Southwest University of Science and Technology Mianyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qing","family":"Gao","sequence":"additional","affiliation":[{"name":"College of Life Sciences and Agri\u2010Forestry Southwest University of Science and Technology Mianyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hanhan","family":"Huang","sequence":"additional","affiliation":[{"name":"College of Life Sciences and Agri\u2010Forestry Southwest University of Science and Technology Mianyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Life Sciences and Agri\u2010Forestry Southwest University of Science and Technology Mianyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanli","family":"Xiong","sequence":"additional","affiliation":[{"name":"Sichuan Academy of Grassland Sciences Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lijun","family":"Yan","sequence":"additional","affiliation":[{"name":"Sichuan Academy of Grassland Sciences Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenlong","family":"Gou","sequence":"additional","affiliation":[{"name":"College of Life Sciences and Agri\u2010Forestry Southwest University of Science and Technology Mianyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jing","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Life Sciences and Agri\u2010Forestry Southwest University of Science and Technology Mianyang 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