The DOI matches its Crossref record.
Analysis of a Chemical Plant Defense Mechanism in Grasses
Abstract
In the Gramineae, the cyclic hydroxamic acids 2,4-dihydroxy-1,4-benzoxazin-3-one (DIBOA) and 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one (DIMBOA) form part of the defense against insects and microbial pathogens. Five genes, Bx1 through Bx5 , are required for DIBOA biosynthesis in maize. The functions of these five genes, clustered on chromosome 4, were demonstrated in vitro. Bx1 encodes a tryptophan synthase α homolog that catalyzes the formation of indole for the production of secondary metabolites rather than tryptophan, thereby defining the branch point from primary to secondary metabolism. Bx2 through Bx5 encode cytochrome P450–dependent monooxygenases that catalyze four consecutive hydroxylations and one ring expansion to form the highly oxidized DIBOA.
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Citations
Cited by
Fungal Resistance to Plant Antibiotics as a Mechanism of Pathogenesis
Morrissey, J. P., & Osbourn, A. E. (1999) · Microbiology and Molecular Biology Reviews · doi:10.1128/mmbr.63.3.708-724.1999 · Cited by 635
Roles of indole as an interspecies and interkingdom signaling molecule
Lee, J.-H., Wood, T. K., & Lee, J. (2015) · Trends in Microbiology · doi:10.1016/j.tim.2015.08.001 · Cited by 516
Indole is an essential herbivore-induced volatile priming signal in maize
Erb, M., Veyrat, N., Robert, C. A. M., Xu, H., Frey, M., Ton, J., & Turlings, T. C. J. (2015) · Nature Communications · doi:10.1038/ncomms7273 · Cited by 467
Self-citationGenome-wide analysis of phenylpropanoid defence pathways.
NAOUMKINA, M. A., ZHAO, Q., GALLEGO‐GIRALDO, L., DAI, X., ZHAO, P. X., & DIXON, R. A. (2010) · Molecular Plant Pathology · doi:10.1111/j.1364-3703.2010.00648.x · Cited by 410
Benzoxazinoid Metabolites Regulate Innate Immunity against Aphids and Fungi in Maize
Ahmad, S., Veyrat, N., Gordon-Weeks, R., Zhang, Y., Martin, J., Smart, L., Glauser, G., Erb, M., Flors, V., Frey, M., et al. (2011) · Plant Physiology · doi:10.1104/pp.111.180224 · Cited by 388
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Metadata
- Authors
- Frey, M., Chomet, P., Glawischnig, E., Stettner, C., Grün, S., Winklmair, A., Eisenreich, W., Bacher, A., Meeley, R. B., Briggs, S. P., Simcox, K., & Gierl, A.
- Venue
- Science
- Published
- 1997-08
- Volume
- 277
- Issue
- 5326
- Pages
- 696-699
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2153702005
- Cited by
- 694
- References
- 0
- FWCI
- 6.41
- Type
- journal article
- Language
- en
- Open access
- closed
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- Frey, M., Chomet, P., Glawischnig, E., Stettner, C., Grün, S., Winklmair, A., Eisenreich, W., Bacher, A., Meeley, R. B., Briggs, S. P., Simcox, K., & Gierl, A. (1997). Analysis of a Chemical Plant Defense Mechanism in Grasses. Science. https://doi.org/10.1126/science.277.5326.696
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