Science news articles about 'chemical defenses'

... are familiar with the word biodiversity, but 'chemodiversity,'—the extraordinary tapestry of natural chemicals found in plants—is just as important for life, the appearance of new species and the ...

... Academy of Sciences, researchers from the Georgia Institute of Technology describe a sophisticated chemical defense system that uses 28 different compounds to protect a species of seaweed against a ...

... analytical technique is helping scientists learn how organisms as simple as seaweed can mount complex chemical defenses to protect themselves from microbial threats such as fungus. The technique for ...

... this research in 2005. The Smithsonian's PICBG program first demonstrated that theories about chemical defense in rainforest plants—such as the idea that young leaves tend to be richer in defense ...

... that it leaves the fruit exposed to fungal attack. "By contrast, peppers increase their chemical defense levels, or their heat, as they ripen. This is a very different model and peppers can get away ...

... applied one day before harvest. Phenolic compounds have been linked to plant chemical defenses against microbes. There may also be a connection between phenolics and reduced microbial population and ...

... /2009/Discovering_Diversity/images/07_2009_Feature.pdf ) Nonribosomal peptides (NRPs) often serve as chemical defenses for the bacteria that manufacture them. Starting from penicillin, NRPs have an ...

... and his colleagues are working to make the new inhibitors even more effective, as well as more metabolically stable, meaning that they can survive the chemical defense mechanisms within the cell.

... chemicals can make formerly friendly animals flare their mandibles, recoil, bite, grab and use chemical defenses suggests that we have provided some of the first insights into the identity of ant ...

... food -- to mature faster, which would accelerate the leaves' acquisition of toxins and other chemical defenses against monkeys. The factor that the scientists found was most influenced by changes ...