Mechanisms3 sources
Hyperaccumulator Plants
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Mechanisms5 sources
Plant Metal Hyperaccumulation
Hyperaccumulation is the ability of certain plant species to concentrate metals in their tissues at levels 10-100x higher than the surrounding soil. This is a genetically determined trait that evolved as a defense mechanism — metal-loaded tissues are toxic to herbivores…
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Host defenses14 sources
Siderophores
Siderophores are small, high-affinity iron-chelating molecules secreted by bacteria, fungi, and some plants to scavenge ferric iron (Fe3+) from their environment. In the context of infection, siderophores are the molecular weapons pathogens deploy to break through nutri…