A process for generating genetically modified pearl millet...

C - Chemistry – Metallurgy – 12 – N

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C12N 15/82 (2006.01) A01H 1/00 (2006.01) C12N 15/87 (2006.01)

Patent

CA 2401247

The present invention relates to a process for biolistic transformation and regeneration of Pennisetum glaucum (Pearl millet) comprising: a) initiating embryogenic calli formation from the seeds of P. glaucam in an MS media containing 5mg/L of 2,4 D; b) incubating the said calli in dark for a predetermined period; c) sub-culturing the calli on an MS media containing 3mg/L of 2,4 D; d) incubating said sub cultured calli under light for a predetermined period; e) subjecting the embryogenic calli to biolistic bombardment with plasmid DNA containing pre-identified genes using a biolistic apparatus; f) allowing the proliferating calli to grow and differentiate into plantlets; g) analysing the expression of said pre-identified genes in the regenerated plantlets using known techniques.

La présente invention concerne une méthode de transformation et de régénération biolistiques de Pennisetum glaucum (millet à chandelles). La méthode consiste à: a) démarrer la formation de bourrelets embryonnaires à partir de graines de P. glaucum dans un support MS contenant 5 mg/l de 2.4 D; b) incuber lesdits bourrelets dans l'obscurité pendant une durée préétablie; c) sous-cultiver les bourrelets sur un support MS contenant 3 mg/l de 2.4 D; d) incuber lesdits bourrelets sous-cultivés en lumière pendant une durée préétablie; e) soumettre les bourrelets embryonnaires à un bombardement biolistique avec de l'ADN plasmidique contenant des gènes pré-identifiés au moyen de l'appareil biolistique; f) permettre aux bourrelets proliférants de croître et se différencier en plantules; g) analyser l'expression desdits gènes pré-identifiés dans les plantules néoformées par des techniques connues.

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