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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Bartel, B. Fink, G. R. |
| Description | Author Affiliation: Bartel B ( Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology, Cambridge 02142.); |
| Abstract | Nitrilases (nitrile aminohydrolase, EC 3.5.5.1) convert nitriles to carboxylic acids. We report the cloning, characterization, and expression patterns of four Arabidopsis thaliana nitrilase genes (NIT1-4), one of which was previously described [Bartling, D., Seedorf, M., Mithöfer, A. & Weiler, E. W. (1992) Eur. J. Biochem. 205, 417-424]. The nitrilase genes encode very similar proteins that hydrolyze indole-3-acetonitrile to the phytohormone indole-3-acetic acid in vitro, and three of the four genes are tandemly arranged on chromosome III. Northern analysis using gene-specific probes and analysis of transgenic plants containing promoter-reporter gene fusions indicate that the four genes are differentially regulated. NIT2 expression is specifically induced around lesions caused by bacterial pathogen infiltration. The sites of nitrilase expression may represent sites of auxin biosynthesis in A. thaliana. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 14 |
| Volume Number | 91 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1994-08-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Aminohydrolases Biosynthesis Genetics Arabidopsis Enzymology Gene Expression Regulation, Enzymologic Genes, Plant Indoleacetic Acids Multigene Family Amino Acid Sequence Growth & Development Chromosome Mapping Cloning, Molecular DNA Primers Escherichia Coli Glucuronidase Molecular Sequence Data Open Reading Frames Polymerase Chain Reaction Promoter Regions, Genetic Recombinant Fusion Proteins Recombinant Proteins Restriction Mapping Sequence Homology, Amino Acid Comparative Study Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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