Bacterial blast

 作者:丁揖镫     |      日期:2019-03-07 02:18:19
Farmers who kill pests with sprays made from the bacterium Bacillus thuringiensis(Bt) might soon have another bacterial weapon to hand. Paul Jarrett, Alun Morgan and their colleagues at Horticulture Research International in Warwickshire have identified a toxin from the soil bacterium Xenorhabdus nematophilus that could be as effective against pests as the toxin produced by B. thuringiensis. Already, Jarrett and Morgan have shown that the Xn toxin kills the larvae of Aedes aegypti, the mosquitoes that carry yellow fever. It also kills the larvae of many horticultural pests,