METHODS OF CONTROLLING GENE EXPRESSION AND GENE SILENCING

The present invention relates to methods to regulate gene expression in plants. In particular, manipulation of the expression in a plant cell of a nucleotide sequence encoding a polypeptide comprising a 3'-5' exonuclease domain is disclosed. More stable and predictable expression is thus o...

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Bibliographische Detailangaben
Hauptverfasser:	BUDZISZEWSKI, GREGORY, JOSEPH, MEINS, FREDERICK, JR, GLAZOV, EVGUENI, ALEXANDROVICH, LEVIN, JOSHUA, ZVI, PHILLIPS, KENNETH, LYON
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FISHING FORESTRY HUMAN NECESSITIES HUNTING METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING NEW PLANTS OR PROCESSES FOR OBTAINING THEM ORGANIC CHEMISTRY PEPTIDES PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS TRAPPING VINEGAR WINE
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Beschreibung
Zusammenfassung:	The present invention relates to methods to regulate gene expression in plants. In particular, manipulation of the expression in a plant cell of a nucleotide sequence encoding a polypeptide comprising a 3'-5' exonuclease domain is disclosed. More stable and predictable expression is thus obtained. The present invention also relates to method of increasing or decreasing port-transcriptional silencing. The invention further relates to novel nucleic acid molecules comprising nucleotide sequences encoding polypeptides comprising a 3'-5' exonuclease domain. L'invention concerne des méthodes permettant de réguler l'expression génique des plantes. L'invention concerne en particulier une manipulation de l'expression d'une cellule de séquence nucléotidique de plante codant pour un polypeptide qui comprend un domaine 3'-5' exonucléase. On obtient ainsi une expression plus stable plus prévisible. L'invention concerne également une méthode permettant d'augmenter ou de réduire une inhibition post-transcriptionnelle. L'invention concerne enfin de nouvelles molécules d'acide nucléique comprenant des séquences nucléotidiques qui codent pour des polypeptides renfermant un domaine 3'-5' exonucléase