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Diversification of C-Function Activity in Maize Flower Development
Abstract
The Arabidopsis gene AGAMOUS is required for male and female reproductive organ development and for floral determinacy. Reverse genetics allowed the isolation of a transposon-induced mutation in ZAG1 , the maize homolog of AGAMOUS . ZAG1 mutants exhibited a loss of determinacy, but the identity of reproductive organs was largely unaffected. This suggested a redundancy in maize sex organ specification that led to the identification and cloning of a second AGAMOUS homolog, ZMM2 , that has a pattern of expression distinct from that of ZAG1 . C-function organ identity in maize (as defined by the A, B, C model of floral organ development) may therefore be orchestrated by two closely related genes, ZAG1 and ZMM2 , with overlapping but nonidentical activities.
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Cited by
Preservation of Duplicate Genes by Complementary, Degenerative Mutations
Force, A., Lynch, M., Pickett, F. B., Amores, A., Yan, Y.-L., & Postlethwait, J. (1999) · Genetics · doi:10.1093/genetics/151.4.1531 · Cited by 3,529
A short history of MADS-box genes in plants
Theissen, G., Becker, A., Di Rosa, A., Kanno, A., Kim, J. T., Münster, T., Winter, K.-U., & Saedler, H. (2000) · Plant Molecular Biology · doi:10.1023/a:1006332105728 · Cited by 632
Molecular mechanisms of flower development: an armchair guide
Krizek, B. A., & Fletcher, J. C. (2005) · Nature Reviews Genetics · doi:10.1038/nrg1675 · Cited by 624
(1997) · Biological Chemistry · doi:10.1515/bchm.1997.378.10.1079 · Cited by 499
Function and evolution of the plant MADS-box gene family
Ng, M., & Yanofsky, M. F. (2001) · Nature Reviews Genetics · doi:10.1038/35056041 · Cited by 438
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Metadata
- Authors
- Mena, M., Ambrose, B. A., Meeley, R. B., Briggs, S. P., Yanofsky, M. F., & Schmidt, R. J.
- Venue
- Science
- Published
- 1996-11-29
- Volume
- 274
- Issue
- 5292
- Pages
- 1537-1540
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2046621665
- Cited by
- 296
- References
- 0
- FWCI
- 20.58
- Type
- journal article
- Language
- en
- Open access
- closed
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- Mena, M., Ambrose, B. A., Meeley, R. B., Briggs, S. P., Yanofsky, M. F., & Schmidt, R. J. (1996). Diversification of C-Function Activity in Maize Flower Development. Science. https://doi.org/10.1126/science.274.5292.1537
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