The anemone Alvinactis idsseensis dominates its toxic environment thanks to an unusual number of genes geared toward protecting cells from heavy metals.
In addition to crushing pressures, total darkness and scorching temperatures, poisonous plumes belch from beneath the Earth’s surface. Exhaust from these underwater chimneys contains particles of heavy metals like iron and manganese, which become toxic at high concentrations. But many animals cozy up next to these vents and form thriving communities, seemingly able to withstand the dangerous metals around them.
“I do believe that they actually found a good convergence, or at least a similar strategy to detoxify metals,” says Felipe Klein Ricachenevsky, a plant physiologist at the Federal University of Rio Grande do Sul in Porto Alegre, Brazil, who was not involved with the study.). But animal cells don’t have those kinds of vacuoles. “Which organelle is doing that in those animals?” Ricachenevsky asks. “I think that will be very interesting to address in the future.
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