Sentences with phrase «defenses against insect»

Plant turned preexisting defenses against insect pests into weapons for catching and eating prey

We therefore wanted to know whether dodder can transmit insect feeding - induced signals among different hosts and whether these signals can even activate defenses against insects,» explains Jianqiang Wu, who worked at the Max Planck Institute for Chemical Ecology as a PhD student and later a project leader, and who is now heading a Max Planck Partner Group in China.

They showed that under high carbon dioxide conditions, plants deactivate three genes that help them produce chemical defenses against insects.

Not exact matches

Plant defenses against chewing insects follow a jasmonite - mediated pathway that induces protease inhibitors and polyphenol oxidase, which suppress digestion and growth.

At each site Meyerson and Cronin measured plant biomass and defenses against herbivores and quantified insect damage by galling, chewing and sucking (aphids) insects to measure the effects of herbivory on Phragmites fitness.

The increasing resistance of pest insects to Bt is another reason to look deeper into the natural insect adaptations against plant defenses.

But several studies have suggested that mosquitoes engineered to build defenses against malaria are less fit than insects that chose to live with the parasites.