Publications by authors named "Veronica Torres-Banda"

bark beetles are the most destructive agents in coniferous forests. These beetles come into contact with the toxic compounds of their host's chemical defenses throughout their life cycle, some of which are also used by the insects as kairomones to select their host trees during the colonization process. However, little is known about the molecular mechanisms by which the insects counteract the toxicity of these compounds.

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Article Synopsis
  • - Bark beetles play a crucial role in coniferous forests by helping with regeneration, succession, and material recycling by colonizing and killing stressed or damaged pine trees.
  • - The study focused on understanding a specific α-amylase enzyme (AmyDr) found in these beetles, which helps them digest starch; it identified a gene coding for a protein that has a unique mutation affecting its binding sites.
  • - Results showed that the enzyme displayed higher activity in the gut compared to other body parts, suggesting that starch digestion is primarily done in the midgut, with its activity influenced by the beetle's developmental stages and starch availability in their host trees.
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Bark beetles from genus promote ecological succession and nutrient cycling in coniferous forests. However, they can trigger outbreaks leading to important economic losses in the forest industry. Conifers have evolved resistance mechanisms that can be toxic to insects but at the same time, bark beetles are capable of overcoming tree barriers and colonize these habitats.

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