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Molecular characterization and transcriptome analysis of orange head Chinese cabbage (Brassica rapa L. ssp. pekinensis).
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- المؤلفون: Zhang J;Zhang J; Yuan H; Fei Z; Pogson BJ; Zhang L; Li L
- المصدر:
Planta [Planta] 2015 Jun; Vol. 241 (6), pp. 1381-94. Date of Electronic Publication: 2015 Feb 17.
- نوع النشر :
Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
- اللغة:
English
- معلومة اضافية
- المصدر:
Publisher: Springer-Verlag [etc.] Country of Publication: Germany NLM ID: 1250576 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1432-2048 (Electronic) Linking ISSN: 00320935 NLM ISO Abbreviation: Planta Subsets: MEDLINE
- بيانات النشر:
Original Publication: Berlin, New York, Springer-Verlag [etc.]
- الموضوع:
- نبذة مختصرة :
Main Conclusion: The orange head phenotype of Br - or resulted from a large insertion in carotenoid isomerase (BrCRTISO) . Comparative transcriptome analysis revealed that the mutation affected the expression of abundant transcription factor genes. A new orange trait-specific marker was developed for marker-assisted breeding. Orange head leaves are a desirable quality trait for Chinese cabbage. Our previous fine mapping identified BrCRTISO as the Br-or candidate gene for the orange Chinese cabbage mutant. Here, we examined the BrCRTISO gene from white and orange head Chinese cabbage. While BrCRTISO from the white control plant was able to complement the Arabidopsis Atcrtiso mutant phenotype, Brcrtiso with a large insertion from the orange head Chinese cabbage failed to rescue the Arabidopsis mutant phenotype. The results show that Brcrtiso was non-functional, concomitant with the accumulation of prolycopene in Br-or to yield orange head. Comparative transcriptome analysis by RNA-seq identified 372 differentially expressed genes between the control and Br-or mutant using two near-isogenic lines with white and orange inner leaves. The mutation in BrCRTISO specifically affected many genes in the functional groups involved in RNA, protein, transport, and signaling. Particularly, expressions of many transcription factor genes were dramatically altered in Br-or, suggesting a potential role of BrCRTISO or carotenoid metabolites in affecting transcription. A novel co-dominant gene-specific marker was developed that co-segregated with orange color phenotype and would be useful for marker-assisted selection with enhanced selection efficiency. Our study provides new insights into understanding of the molecular basis of Br-or in mediating head leaf color and depicts a global view of the effect of BrCRTISO on cellular processes in plant. It also provides a molecular tool to accelerate breeding new Chinese cabbage cultivars with unique health quality and visual appearance.
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- الرقم المعرف:
0 (Plant Proteins)
36-88-4 (Carotenoids)
- الموضوع:
Date Created: 20150218 Date Completed: 20160404 Latest Revision: 20181113
- الموضوع:
20221213
- الرقم المعرف:
10.1007/s00425-015-2262-z
- الرقم المعرف:
25686795
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