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Analysis of Flavanone 3-Hydroxylase in Arabidopsis Seedlings (Coordinate Regulation with Chalcone Synthase and Chalcone Isomerase)
Open accessAbstract
A genomic clone encoding flavanone 3-hydroxylase (F3H) was isolated from Arabidopsis thaliana. The deduced amino acid sequence is 72 to 94% identical to all previously reported F3H proteins. Low-stringency DNA blot analysis indicated that F3H is encoded by a single gene in Arabidopsis. The F3H locus was mapped to the bottom of chromosome 3 and therefore does not correspond to any of the 13 flavonoid-deficient transparent testa mutants for which a map position is known. Analysis of gene expression in etiolated seedlings exposed to white light and in two putative regulatory mutants, ttg and tt8, demonstrated that the Arabidopsis F3H gene is coordinately expressed with chalcone synthase and chalcone isomerase in seedlings, whereas dihydroflavonol reductase expression is controlled by distinct regulatory mechanisms. The F3H gene may represent a pivotal point in the regulation of flavonoid biosynthesis because its expression is coordinated with different subsets of genes in different plant species.
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Citations
Cites
Flavonoids Can Protect Maize DNA from the Induction of Ultraviolet Radiation Damage
Stapleton, A. E., & Walbot, V. (1994) · Plant Physiology · doi:10.1104/pp.105.3.881 · Cited by 420
Cited by
Fe(II)/α-Ketoglutarate-Dependent Hydroxylases and Related Enzymes
Hausinger, R. P. (2004) · Critical Reviews in Biochemistry and Molecular Biology · doi:10.1080/10409230490440541 · Cited by 937
Lawlor, D. W., & Tezara, W. (2009) · Annals of Botany · doi:10.1093/aob/mcn244 · Cited by 852
Nesi, N., Debeaujon, I., Jond, C., Pelletier, G., Caboche, M., & Lepiniec, L. (2000) · The Plant Cell · doi:10.1105/tpc.12.10.1863 · Cited by 747
Flavonoids Are Differentially Taken Up and Transported Long Distances in Arabidopsis
Buer, C. S., Muday, G. K., & Djordjevic, M. A. (2007) · Plant Physiology · doi:10.1104/pp.107.101824 · Cited by 255
Yamori, W., & von Caemmerer, S. (2009) · Plant Physiology · doi:10.1104/pp.109.146514 · Cited by 98
Metadata
- Authors
- Pelletier, M. K., & Shirley, B. W.
- Venue
- Plant Physiology
- Publisher
- Oxford University Press (OUP)
- Published
- 1996-05-01
- Volume
- 111
- Issue
- 1
- Pages
- 339-345
- ISSN
- 0032-0889 (ISSN-L)
- 1532-2548
- OpenAlex
- W2079347456
- Cited by
- 243
- References
- 1
- FWCI
- 2.23
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Pelletier, M. K., & Shirley, B. W. (1996). Analysis of Flavanone 3-Hydroxylase in Arabidopsis Seedlings (Coordinate Regulation with Chalcone Synthase and Chalcone Isomerase). Plant Physiology. https://doi.org/10.1104/pp.111.1.339
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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