Natural selection
How do Sinocyclocheilus genomes record cave life?
Open access · cc by · source: Europe PMC
Sinocyclocheilus cavefish genomes reveal troglomorphic adaptations such as eye degeneration and albinism, paralleling and differing from Astyanax.
Key findings
Genomic/transcriptomic signatures of eye degeneration and pigmentation loss; some mechanisms differ from Astyanax; constructive cave traits also suggested.
Methodology
Sequenced cave/surface Sinocyclocheilus genomes and compared gene content/expression for cave-related traits.
Limitations
Does not prove a single universal cave-adaptation gene across all fish.
How this study connects
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