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Expression of the Arabidopsis floral homeotic gene AGAMOUS is restricted to specific cell types late in flower development

Bowman, John L. and Drews, Gary N. and Meyerowitz, Elliot M. (1991) Expression of the Arabidopsis floral homeotic gene AGAMOUS is restricted to specific cell types late in flower development. Plant Cell, 3 (8). pp. 749-758. ISSN 1040-4651. PMCID PMC160042. https://resolver.caltech.edu/CaltechAUTHORS:20161213-145452603

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Abstract

Mutations in the AGAMOUS (AG) gene cause transformations in two adjacent whorls of the Arabidopsis flower. Petals develop in the third floral whorl rather than the normal stamens, and the cells that would normally develop into the fourth whorl gynoecium behave as if they constituted an ag flower primordium. Early in flower development, AG RNA is evenly distributed throughout third and fourth whorl organ primordia but is not present in the organ primordia of whorls one and two. In contrast to the early expression pattern, later in flower development, AG RNA is restricted to specific cell types within the stamens and carpels as cellular differentiation occurs in those organs. Ectopic AG expression patterns in flowers mutant for the floral homeotic gene APETELA2 (AP2), which regulates early AG expression, suggest that the late AG expression is not directly dependent on AP2 activity.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1105/tpc.3.8.749DOIArticle
http://www.plantcell.org/content/3/8/749PublisherArticle
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC160042/PubMed CentralArticle
ORCID:
AuthorORCID
Meyerowitz, Elliot M.0000-0003-4798-5153
Additional Information:© 1991 American Society of Plant Biologists. Received May 30, 1991; accepted June 24, 1991. We thank the other members of our laboratory and David Smyth for providing materials and advice, and for comments on the manuscript. This work was supported by National Institutes of Health (NIH) Grant GM45697 to E.M.M. G.N.D. was supported by NIH Postdoctoral fellowship GM13100-03, and J.L.B. was partially supported by NIH training Grant 5T32-GM07616.
Funders:
Funding AgencyGrant Number
NIHGM45697
NIH Postdoctoral FellowshipGM13100-03
NIH Predoctoral Fellowship5T32-GM07616
Issue or Number:8
PubMed Central ID:PMC160042
Record Number:CaltechAUTHORS:20161213-145452603
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20161213-145452603
Official Citation:Bowman JL, Drews GN, Meyerowitz EM. Expression of the Arabidopsis floral homeotic gene AGAMOUS is restricted to specific cell types late in flower development. The Plant Cell. 1991;3(8):749-758.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:72786
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:14 Dec 2016 17:35
Last Modified:03 Oct 2019 16:21

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