The DOI matches its Crossref record; 65 of the 65 references it cites were found in a registry or an index.
12-Oxo-Phytodienoic Acid Accumulation during Seed Development Represses Seed Germination in Arabidopsis
Open accessAbstract
Arabidopsis thaliana COMATOSE (CTS) encodes an ABC transporter involved in peroxisomal import of substrates for β-oxidation. Various cts alleles and mutants disrupted in steps of peroxisomal β-oxidation have previously been reported to exhibit a severe block on seed germination. Oxylipin analysis on cts, acyl CoA oxidase1 acyl CoA oxidase2 (acx1 acx2), and keto acyl thiolase2 dry seeds revealed that they contain elevated levels of 12-oxo-phytodienoic acid (OPDA), jasmonic acid (JA), and JA-Ile. Oxylipin and transcriptomic analysis showed that accumulation of these oxylipins occurs during late seed maturation in cts. Analysis of double mutants generated by crossing cts with mutants in the JA biosynthesis pathway indicate that OPDA, rather than JA or JA-Ile, contributes to the block on germination in cts seeds. We found that OPDA was more effective at inhibiting wild-type germination than was JA and that this effect was independent of CORONATINE INSENSITIVE1 but was synergistic with abscisic acid (ABA). Consistent with this, OPDA treatment increased ABA INSENSITIVE5 protein abundance in a manner that parallels the inhibitory effect of OPDA and OPDA+ABA on seed germination. These results demonstrate that OPDA acts along with ABA to regulate seed germination in Arabidopsis.
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Cited by
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An Updated Overview on the Regulation of Seed Germination
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An OPR3-independent pathway uses 4,5-didehydrojasmonate for jasmonate synthesis
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Metadata
- Authors
- Dave, A., Hernández, M. L., He, Z., Andriotis, V. M. E., Vaistij, F. E., Larson, T. R., & Graham, I. A.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 2011-02-01
- Volume
- 23
- Issue
- 2
- Pages
- 583-599
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2170698874
- Cited by
- 256
- References
- 65
- FWCI
- 21.07
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Dave, A., Hernández, M. L., He, Z., Andriotis, V. M. E., Vaistij, F. E., Larson, T. R., & Graham, I. A. (2011). 12-Oxo-Phytodienoic Acid Accumulation during Seed Development Represses Seed Germination in Arabidopsis. The Plant Cell. https://doi.org/10.1105/tpc.110.081489
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