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ARS Home Midwest Area Madison, Wisconsin U.S. Dairy Forage Research Center Research Publications at this Location





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Title:   Author  item
                                            LIDDER, PREET - DELAWARE BIOTECHNOLOGY INitem
                                            JOHNSON, MARK - HOWARD HUGHES MEDICALitem
                                            Sullivan, Michaelitem
                                            THOMPSON, DEBORAH - SANGER INSTITUTE, WELLCOMitem
                                            PEREZ-AMADOR, MIGUEL - INSTITUTO DE BIOLOGIAitem
                                            HOWARD, CHRISTIE - DEPT. OF BIOLOGY, UNIVERSitem
                                            GREEN, PAMELA - DELAWARE BIOTECHNOLOGY IN
  Submitted to: Biochemical Society Transactions
                                    Publication Type: Proceedings
                                    Publication Acceptance Date: 3/20/2004
                                    Publication  Date: 8/1/2004
                                    Citation: Lidder, P., Johnson, M.A., Sullivan, M.L., Thompson, D.M., Perez-  Amador, M.A., Howard, C.J., Green, P.J. 2004. Genetics of the DST-  mediated mRNA decay pathway using a transgene based selection.   Biochemical Society Transactions. 32:575-577.Interpretive Summary:
                                Technical Abstract: mRNA sequences that control abundance, localization and translation initiation have been identified, yet the factors that recognize these sequences are largely unknown. In this report, a transgene-based strategy designed to isolate mutants of rabidopsis thaliana that fail to recognize these sequences is described. In this strategy, a selectable gene and a screenable marker gene are put under the control of the sequence element being analysed and mutants are selected with altered abundance of the corresponding marker RNAs. The selection of mutants deficient in recognition of the DST (downstream) mRNA degradation signal is used as a test-case to illustrate some of the technical aspects that have facilitated success. Using this strategy, we report the isolation of a newmutant, dst3, deficient in the DST-mediatedmRNA decay pathway. The targeted genetic strategy described circumvents certain technical limitations of biochemical approaches. Hence, it provides a means to investigate a variety of other mechanisms responsible for post-transcriptional regulation.


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