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Genetic rescue increases long-term fitness despite elevating putative genetic load in a male-dimorphic mite.

Nature ecology & evolution - 1 Jul 2026

Parrett Jonathan M, Konczal Mateusz, Kulczak Marta, Radwan Jacek

Abstract excerpt

Genetic rescue is a potentially powerful conservation strategy to restore fitness in small genetically depauperate populations; however, long-term effectiveness, impact of rescuer traits and introduced variation on population persistence remains uncertain. Using a male-dimorphic mite, we tested whether males that differ in their expression of a condition-dependent sexually selected weapon, previously shown to...

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PMID: 42174118
DOI: 10.1038/s41559-026-03080-8

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