{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T11:07:23Z","timestamp":1789729643294,"version":"4.0.1"},"reference-count":51,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,9,7]],"date-time":"2026-09-07T00:00:00Z","timestamp":1788739200000},"content-version":"vor","delay-in-days":6,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"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":["The Plant Journal"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>SUMMARY<\/jats:title>\n                  <jats:p>\n                    Chilling stress severely restricts tomato cultivation and productivity, yet the mechanisms by which a single regulator integrates photosynthetic efficiency, developmental progression, and chilling tolerance remain to be elucidated. Here, we characterized\n                    <jats:italic>SlBBX19<\/jats:italic>\n                    , a chilling\u2010inducible B\u2010box transcription factor in tomato (\n                    <jats:italic>Solanum lycopersicum<\/jats:italic>\n                    ). SlBBX19 is nucleus\u2010localized, functions as a negative regulator of vegetative growth and photosynthetic capacity under normal conditions, while simultaneously promoting fruit ripening and suppressing inflorescence branching. Under chilling stress,\n                    <jats:italic>SlBBX19<\/jats:italic>\n                    acts as a negative regulator of chilling tolerance: overexpression exacerbates reactive oxygen species (ROS) accumulation, membrane damage, and suppresses\n                    <jats:italic>COR<\/jats:italic>\n                    pathway activation, whereas knockout lines exhibit enhanced chilling resistance. Transcriptomic and molecular analyses reveal that SlBBX19 directly binds to G\u2010box elements in the promoters of light\u2010harvesting chlorophyll a\/b\u2010binding genes\n                    <jats:italic>SlLhcb2.2<\/jats:italic>\n                    and\n                    <jats:italic>SlLhca4.1<\/jats:italic>\n                    to repress their transcription. Virus\u2010induced gene silencing of these targets recapitulated the overexpression phenotypes, confirming that\n                    <jats:italic>SlBBX19<\/jats:italic>\n                    compromises photosynthetic efficiency and chilling tolerance primarily through\n                    <jats:italic>SlLhc<\/jats:italic>\n                    downregulation. Collectively, our findings establish\n                    <jats:italic>SlBBX19<\/jats:italic>\n                    as a key integrator of development and environmental acclimation, revealing a novel regulatory module that links photosynthetic antenna dynamics to chilling stress adaptation. This work may provide a promising genetic target for engineering chilling\u2010tolerant and physiologically optimized tomato varieties.\n                  <\/jats:p>","DOI":"10.1111\/tpj.71099","type":"journal-article","created":{"date-parts":[[2026,9,7]],"date-time":"2026-09-07T11:58:26Z","timestamp":1788782306000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["<scp>SlBBX19<\/scp>\n                    modulates plant development and negatively regulates chilling tolerance in tomato"],"prefix":"10.1111","volume":"127","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-8027-3539","authenticated-orcid":false,"given":"Yunfei","family":"Liang","sequence":"first","affiliation":[{"name":"College of Grassland Agriculture Northwest A&amp;F University  Yangling 712100 China"},{"name":"State Key Laboratory for Crop Stress Resistance and High\u2010Efficiency Production and College of Horticulture Northwest A&amp;F University  Yangling 712100 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fanyi","family":"Meng","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Crop Stress Resistance and High\u2010Efficiency Production and College of Horticulture Northwest A&amp;F University  Yangling 712100 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongwei","family":"Sun","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Crop Stress Resistance and High\u2010Efficiency Production and College of Horticulture Northwest A&amp;F University  Yangling 712100 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongyan","family":"Shi","sequence":"additional","affiliation":[{"name":"State Key Laboratory for Crop Stress Resistance and High\u2010Efficiency Production and College of Horticulture Northwest A&amp;F University  Yangling 712100 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