دورية أكاديمية
Cytochrome P450 CitCYP97B modulates carotenoid accumulation diversity by hydroxylating β-cryptoxanthin in Citrus.
العنوان: | Cytochrome P450 CitCYP97B modulates carotenoid accumulation diversity by hydroxylating β-cryptoxanthin in Citrus. |
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المؤلفون: | Zhang Y; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China., Jin J; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China., Wang N; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China., Sun Q; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China., Feng D; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China., Zhu S; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China., Wang Z; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China., Li S; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China., Ye J; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China., Chai L; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China., Xie Z; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China., Deng X; National Key Laboratory for Germplasm Innovation & Utilization of Horticultural Crops, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China; Hubei Hongshan Laboratory, Wuhan, Hubei 430070, China. Electronic address: xxdeng@mail.hzau.edu.cn. |
المصدر: | Plant communications [Plant Commun] 2024 Jun 10; Vol. 5 (6), pp. 100847. Date of Electronic Publication: 2024 Feb 19. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: Published by the Plant Communications Shanghai Office in association with Cell Press, an imprint of Elsevier Inc Country of Publication: China NLM ID: 101769147 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2590-3462 (Electronic) Linking ISSN: 25903462 NLM ISO Abbreviation: Plant Commun Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: [Shanghai] : Published by the Plant Communications Shanghai Office in association with Cell Press, an imprint of Elsevier Inc., [2020]- |
مواضيع طبية MeSH: | Citrus*/genetics , Citrus*/metabolism , Beta-Cryptoxanthin*/metabolism , Cytochrome P-450 Enzyme System*/genetics , Cytochrome P-450 Enzyme System*/metabolism , Carotenoids*/metabolism, Hydroxylation ; Plant Proteins/genetics ; Plant Proteins/metabolism ; Gene Expression Regulation, Plant ; Genome-Wide Association Study |
مستخلص: | Carotenoids in plant foods provide health benefits by functioning as provitamin A. One of the vital provitamin A carotenoids, β-cryptoxanthin, is typically plentiful in citrus fruit. However, little is known about the genetic basis of β-cryptoxanthin accumulation in citrus. Here, we performed a widely targeted metabolomic analysis of 65 major carotenoids and carotenoid derivatives to characterize carotenoid accumulation in Citrus and determine the taxonomic profile of β-cryptoxanthin. We used data from 81 newly sequenced representative accessions and 69 previously sequenced Citrus cultivars to reveal the genetic basis of β-cryptoxanthin accumulation through a genome-wide association study. We identified a causal gene, CitCYP97B, which encodes a cytochrome P450 protein whose substrate and metabolic pathways in land plants were undetermined. We subsequently demonstrated that CitCYP97B functions as a novel monooxygenase that specifically hydroxylates the β-ring of β-cryptoxanthin in a heterologous expression system. In planta experiments provided further evidence that CitCYP97B negatively regulates β-cryptoxanthin content. Using the sequenced Citrus accessions, we found that two critical structural cis-element variations contribute to increased expression of CitCYP97B, thereby altering β-cryptoxanthin accumulation in fruit. Hybridization/introgression appear to have contributed to the prevalence of two cis-element variations in different Citrus types during citrus evolution. Overall, these findings extend our understanding of the regulation and diversity of carotenoid metabolism in fruit crops and provide a genetic target for production of β-cryptoxanthin-biofortified products. (Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.) |
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فهرسة مساهمة: | Keywords: CYP97B; carotenoids; cytochrome P450; hydroxylation; β-cryptoxanthin |
المشرفين على المادة: | 0 (Beta-Cryptoxanthin) 9035-51-2 (Cytochrome P-450 Enzyme System) 36-88-4 (Carotenoids) 0 (Plant Proteins) |
تواريخ الأحداث: | Date Created: 20240221 Date Completed: 20240611 Latest Revision: 20240630 |
رمز التحديث: | 20240630 |
مُعرف محوري في PubMed: | PMC11211522 |
DOI: | 10.1016/j.xplc.2024.100847 |
PMID: | 38379285 |
قاعدة البيانات: | MEDLINE |
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