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Rev. argent. microbiol ; 37(2): 69-72, Apr.-June 2005. ilus, tab
Article in English | LILACS | ID: lil-634490

ABSTRACT

The model ectomycorrhizal fungus Pisolithus microcarpus isolate 441 was transformed by using Agrobacterium tumefaciens LBA1100 and AGL-1. The selection marker was the Shble gene of Streptoallotecius hidustanus, conferring resistance to phleomycin, under the control of the gpd gene promoter and terminator of Schizophyllum commune. Transformation resulted in phleomycin resistant clones which were confirmed by PCR to contain the resistance cassette. A. tumefaciens-mediated gene transfer would allow the development of RNA interference technology in P. microcarpus.


El hongo ectomicorrícico modelo Pisolithus microcarpus aislamiento 441 fue transformado utilizando Agrobacterium tumefaciens LBA 1100 y AGL-1. El marcador de selección fue el gen Shble de Streptoallotecius hidustanus, el cual confiere resistencia a fleomicina, bajo el control del promotor y terminador del gen gpd de Schizophyllum commune. La transformación resultó en clones resistentes a fleomicina comprobándose por PCR la presencia del transgen. La transferencia génica mediada por Agrobacterium podría permitir el desarrollo de la tecnología de interferencia por ARN en P. microcarpus.


Subject(s)
Agrobacterium tumefaciens/genetics , Bacterial Proteins/genetics , Basidiomycota/genetics , DNA, Bacterial/genetics , Transformation, Genetic , Agrobacterium tumefaciens/physiology , Basidiomycota/drug effects , Drug Resistance, Bacterial/genetics , Drug Resistance, Fungal/genetics , Genes, Synthetic , Polymerase Chain Reaction , Phleomycins/pharmacology , Promoter Regions, Genetic/genetics , Selection, Genetic , Schizophyllum/genetics
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