Cloning of the nitrate reductase gene (niaD) of Aspergillus nidulans and its use for transformation of Fusarium oxysporum.
An heterologous transformation system for the phytopathogenic fungus Fusarium oxysporum has been developed based on the use of the Aspergillus nidulans nitrate reductase gene (niaD). F. oxysporum nia- mutants were easily selected by chlorate resistance. The A. nidulans niaD gene was isolated from a gene library by complementation of an A. nidulans niaD mutant. The cloned gene is capable of transforming F. oxysporum nia- mutants at a frequency of up to ten transformants per microgram of DNA. Southern analysis of the DNA of the F. oxysporum transformants showed that transformation resulted in integration of one or more copies of the vector DNA into the genome.
Malardier
L
L
Cryptogamie, Université Paris Sud, Orsay, France.
Daboussi
M J
MJ
Julien
J
J
Roussel
F
F
Scazzocchio
C
C
Brygoo
Y
Y
D001233:Aspergillus nidulans / Q000201:enzymology / Q000235:genetics*; D015139:Blotting, Southern; D003001:Cloning, Molecular; D004271:DNA, Fungal / Q000235:genetics; D005670:Fusarium / Q000201:enzymology / Q000235:genetics* / Q000302:isolation & purification; D005816:Genetic Complementation Test; D009154:Mutation; D009565:Nitrate Reductases / Q000235:genetics*; D009693:Nucleic Acid Hybridization; D010641:Phenotype; D015183:Restriction Mapping; D014170:Transformation, Genetic
D004271:DNA, Fungal; D009565:Nitrate Reductases