Why do parasites harm their hosts? Classic evolutionary theory predicts that parasites become ... O. elektroscirrha that are scattered onto eggs or host plant leaves by adult butterflies. The parasites ...
... viruses.
Picking up these RNA messengers could help the parasite synchronize its lifecycle with that of the host plant, Sinha said.
"It might be important for the parasite to know when the host is ...
An ancient virus uses subterfuge to trick its host plant into lowering its defenses against pests, according to new research from The Rockefeller University. The result is that the pests that carry ...
... species due to its close association with a particular host (plant or animal).
In this new study, Forbes ... wasp populations. "D. alloeum attacks only R. pomonella complex flies found on these four host ...
... than we imagined," said Karban, who researches the interactions between herbivores (plant-eating organisms) and their host plants.
"Plants are capable of responding to complex cues that involve ...
... that neighboured each large host plant. They then randomly selected plots without host plants and calculated the plant species there as well. The research showed that the massive trees have no effect ...
... ."
Singer and his colleagues wondered if there could be other advantages to specialization than better utilization of host plants as food. Specialists might also be more adept than generalists, he ...
... for many different metabolic pathways, this specific GST represents the evolutionary adaptation to its host plants," says Prof. Wilhelm Boland, in whose Department of Bioorganic Chemistry the studies ...
... Condon and coauthors turn current thought on plant-feeding insect diversity on its head. The study ... geographic range, even though the range of the host plant was much more extensive.
The team concluded ...
... plant toxins and some insecticides. Efficient expression of these proteins allows insects to survive on host plants normally toxic to other species, and confers resistance to some insecticides.
"In ...
... brightly colored insects advertise to their predators that they taste bad and that some get their toxins from their host plants. But because other insects cheat by mimicking the toxic ones, we weren' ...
... , one of the endangered species in the Madrid region whose population dynamics are determined by its host plant. The study proposes a new path for designing conservation plans for the species using ...
... know is that the bacterium is vectored by the tomato/potato psyllid into their tomato and potato host plants, subsequently causing yellowing and death to the plant," Hansen said. "This knowledge may ...
... authors make the case that although biocontrol agents are carefully selected for specificity to their host plants, these restrictions do not prevent them from drastically altering the community food ...
... says Dr. David McK. Bird, professor of plant pathology at NC State, co-director of ... might be smaller, the researchers say, because the inside of the host plant's root provides an isolated environment ...
