John James Baczenas

The paper investigates how water pollution affects hybridization between two swordtail fish species by analyzing genomic and environmental data.

This study identifies two melanic pigmentation patterns in Xiphophorus nezahualcoyotl linked to the sex chromosome-linked oncogene xmrk through long-read sequencing and GWAS.

This study sequenced whole genomes of black-footed cats to analyze their population structure and genetic diversity, finding low diversity but no long runs of homozygosity and evidence of recent population contraction.

This study compares reproductive strategies between two swordtail fish species, finding that X. malinche produces larger, more resilient offspring through extended post-fertilization nutrient provisioning.

This study identifies a retrovirus insertion near the alkal2a gene as the genetic basis for a novel iridescent color trait in swordtail fish, showing its role in chromatin changes and predator interaction signals.

The paper uses admixture mapping in swordtail fish hybrids to identify mitonuclear incompatibilities, finding nine genomic regions involved in interactions between nuclear and mitochondrial genomes.

This study shows that despite strong reproductive barriers, gene flow is pervasive between closely related swordtail fish species through hybridization and genetic incompatibilities.

The paper identifies a genetic basis for a sexual mimicry polymorphism in swordtail fish and links it to behavioral interactions that may maintain the polymorphism.

The paper shows that local ancestry in hybrid swordtail fish populations is repeatable due to strong early selection, and this repeatability increases with deeper evolutionary divergence.