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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Krizek, B. A. Meyerowitz, E. M. |
| Description | Author Affiliation: Krizek BA ( Division of Biology, California Institute of Technology, Pasadena 91125, USA.); |
| Abstract | The Arabidopsis MADS domain proteins AP1, AP3, PI, and AG specify floral organ identity. All of these proteins contain a MADS domain required for DNA binding and dimerization; a region termed L (linker between MADS domain and K domain), which plays an important role in dimerization specificity; the K domain, named for its similarity to the coiled-coil domain of keratin; and a C-terminal region of unknown function. To determine which regions of these proteins are responsible for their abilities to specify different organs, we have made a number of chimeric MADS box genes. The in vivo function of these chimeric genes was investigated by ectopic expression in transgenic Arabidopsis plants. The four proteins fall into two classes on the basis of regions responsible for their functional specificities. The L region and K domain define the functional specificities of AP3 and PI, while the MADS domain and L region define the functional specificities of AP1 and AG. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 9 |
| Volume Number | 93 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1996-07-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Arabidopsis Physiology DNA-Binding Proteins Biosynthesis Chemistry Transcription Factors Amino Acid Sequence Genetics Ultrastructure Binding Sites Gene Expression Regulation, Plant Genes, Plant Genetic Complementation Test MADS Domain Proteins Macromolecular Substances Microscopy, Electron, Scanning Molecular Sequence Data Mutagenesis, Site-Directed Organ Specificity Phenotype Plant Proteins Polymerase Chain Reaction Recombinant Proteins Research Support, U.S. Gov't, Non-P.H.S. Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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