Degraded DNA reveals two extinct Galapagos giant tortoise lineages
Using a new combination of computational tools to analyze ancient DNA, Yale researchers have discovered two ancient, extinct giant tortoise lineages that once lived on the Galapagos Islands.
A Yale-led research team has uncovered two previously unknown extinct Galapagos giant tortoise lineages using advanced computational methods on degraded DNA samples. The researchers applied cutting-edge genomic analysis tools to analyze ancient specimens, demonstrating that even highly fragmented and contaminated genetic material can yield valuable evolutionary insights.
This breakthrough could aid modern conservation efforts by revealing how displaced tortoises may still carry the genetic remnants of now-extinct lineages, potentially allowing hybrid captive breeding programs to recover lost genetic diversity.
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