Molly E. Schumer

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.

The paper uses whole genome sequencing and environmental data to study population structure and adaptive variation in Atlantic bluefin tuna.

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.

The paper assesses the sensitivity of genome-wide tests for mitonuclear genetic incompatibilities using Xiphophorus fish hybrids and finds inconsistent support for class-based covariation in mitonuclear ancestry.

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.

The paper provides complete genomes for all 26 Xiphophorus species, resolves conflicting phylogeny, and shows hybridization precedes speciation in this genus.

The paper introduces mixnmatch and ancestryinfer, tools for simulating admixture scenarios and inferring local ancestry, highlighting factors affecting inference accuracy.

This paper presents a model where reproductive isolation in hybrid populations arises from genetic incompatibilities, not ecological or niche factors, leading to rapid speciation even with ongoing migration and hybrid selection.