{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Zhang F"],"funding":["the Natural Science Foundation of Jiangxi Province","National Natural Science Foundation of China"],"pagination":["43"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9357590"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["15(1)"],"pubmed_abstract":["Rice (Oryza sativa L.) grain hull color is an easily observable trait and regarded as a crucial morphological marker in rice breeding. Here, a purple gradient grain hull mutant (pg) was found from natural mutations of a straw-white grain hull rice variety IARI 6184B (Orzya sativa L. subsp. indica). The color of the mutant grain hulls changed from straw-white to pink, then purple, and finally brownish-yellow. Ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) identified 217 flavonoids, including 18 anthocyanins, among which cyanidin O-syringic acid had the highest concentration in pink (66.2 × 10<sup>6</sup>) and purple (68.0 × 10<sup>6</sup>) grain hulls. The relative contents of hesperetin O-malonyl-hexoside, apigenin derivatives, genistein derivatives, and kaem"],"journal":["Rice (New York, N.Y.)"],"pubmed_title":["Flavonoid Metabolic Profiles and Gene Mapping of Rice (Oryza sativa L.) Purple Gradient Grain Hulls."],"pmcid":["PMC9357590"],"funding_grant_id":["Nos. 2020BABL205018","Nos. 32160467","Nos. 31800640","Nos. 31960085"],"pubmed_authors":["Zhang F","Yang L","Huang W","Xie J","Chen Y","Luo X","Hu B"],"additional_accession":[]},"is_claimable":false,"name":"Flavonoid Metabolic Profiles and Gene Mapping of Rice (Oryza sativa L.) Purple Gradient Grain Hulls.","description":"Rice (Oryza sativa L.) grain hull color is an easily observable trait and regarded as a crucial morphological marker in rice breeding. Here, a purple gradient grain hull mutant (pg) was found from natural mutations of a straw-white grain hull rice variety IARI 6184B (Orzya sativa L. subsp. indica). The color of the mutant grain hulls changed from straw-white to pink, then purple, and finally brownish-yellow. Ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) identified 217 flavonoids, including 18 anthocyanins, among which cyanidin O-syringic acid had the highest concentration in pink (66.2 × 10<sup>6</sup>) and purple (68.0 × 10<sup>6</sup>) grain hulls. The relative contents of hesperetin O-malonyl-hexoside, apigenin derivatives, genistein derivatives, and kaem","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Aug","modification":"2025-04-04T08:45:05.619Z","creation":"2025-04-04T08:45:05.619Z"},"accession":"S-EPMC9357590","cross_references":{"pubmed":["35934754"],"doi":["10.1186/s12284-022-00589-x"]}}