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Food supply and nutrient stress tolerance coordinately shape the multilevel selection dynamics of a mitochondrial cheater by promoting cheater persistence at both within-host and between-host levels of selection.
ZCWPW1 has co-evolved with PRDM9, in particular the PRDM9-SET domain, and although not involved in PRDM9's role in positioning recombination events, it is required for PRDM9's role in pairing chromosomes.
A region of the Biomphalaria genome, containing highly divergent haplotypes with different combinations of transmembrane genes, strongly impacts whether these snails can transmit parasitic schistosomes.