NRPS-gene disruption in the apple-pathogen, Neonectria ditissima
Vélëz, H.; Bourras, S.; Garkava-Gustavsson, L.; Dalman, K.
Show abstract
Apple production in Sweden and elsewhere is being threaten by the fungus, Neonectria ditissima, which causes a disease known as Fruit Tree Canker. The disease can cause extensive damages and the removal of diseased-wood and heavily infected trees can be laborious and expensive. Currently, there is no way to eradicate the fungus from infected trees and our knowledge of the infection process is limited. Thus, in order to target and modify genes efficiently, the genetic transformation technique developed for N. ditissima back in 2003 was modified. We report on the upgraded protocol and show that protoplasts were viable, able to uptake foreign DNA, and able to regenerate back into a mycelial colony, either as targeted gene-disruption mutants or as ectopic mutants expressing GFP.
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