{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Zhu Z"],"funding":["Jiujiang Xun Cheng Talent","National Natural Science Foundation of China"],"pagination":["1376"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12522792"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["25(1)"],"pubmed_abstract":["<h4>Background</h4>Trihelix factors play important roles in improving plant resistance to abiotic stress, however, the role of SIP1 subfamily contributing to cold tolerance was rarely reported in tomatoes. Here, we isolated a cold-repressed gene, SlGT-33, from the tomato and found it vital biological function in morphological development and adaptation to prolonged chilling stress.<h4>Results</h4>SlGT-33 belonged to SIP1 clade and was localized to cell nucleus. SlGT-33 was specifically expressed in mature leaves and stems, induced by ABA and dehydration, and repressed by GA and low temperature. Overexpression of SlGT-33 suppressed the chlorophyll synthesis but promoted fruits set than control under prolonged cold conditions. Transcriptome and metabolome analysis demonstrated that SlGT-33 O"],"journal":["BMC plant biology"],"pubmed_title":["A SIP1 gene of Trihelix family, SlGT-33, promotes chilling tolerance and fruits set under prolonged cold stress in tomatoes."],"pmcid":["PMC12522792"],"funding_grant_id":["32460679","2024","32160711"],"pubmed_authors":["Liu X","Li Z","Fu S","Yu M","Zhu Z","Bai J","Zhong Z","Ye J","Cui B"],"additional_accession":[]},"is_claimable":false,"name":"A SIP1 gene of Trihelix family, SlGT-33, promotes chilling tolerance and fruits set under prolonged cold stress in tomatoes.","description":"<h4>Background</h4>Trihelix factors play important roles in improving plant resistance to abiotic stress, however, the role of SIP1 subfamily contributing to cold tolerance was rarely reported in tomatoes. Here, we isolated a cold-repressed gene, SlGT-33, from the tomato and found it vital biological function in morphological development and adaptation to prolonged chilling stress.<h4>Results</h4>SlGT-33 belonged to SIP1 clade and was localized to cell nucleus. SlGT-33 was specifically expressed in mature leaves and stems, induced by ABA and dehydration, and repressed by GA and low temperature. Overexpression of SlGT-33 suppressed the chlorophyll synthesis but promoted fruits set than control under prolonged cold conditions. Transcriptome and metabolome analysis demonstrated that SlGT-33 O","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Oct","modification":"2026-06-04T11:48:07.427Z","creation":"2026-05-08T03:11:07.274Z"},"accession":"S-EPMC12522792","cross_references":{"pubmed":["41087905"],"doi":["10.1186/s12870-025-07385-x"]}}