Z. Dumas

Evolution of alternative reproductive systems in Bacillus stick insects

The paper re-evaluates reproductive modes in Bacillus stick insects using genomic and field data, confirming hybrid lineage ancestry and genome elimination mechanisms.

Evidence for cryptic gene flow in parthenogenetic stick insects of the genus Timema

The paper investigates cryptic sex in parthenogenetic Timema stick insects, finding evidence of rare male-mediated sex in two species despite their otherwise asexual reproduction.

X chromosomes show relaxed selection and complete somatic dosage compensation across Timema stick insect species

The paper analyzes X chromosome evolution in five Timema stick insect species, finding relaxed selection, slower evolution, and partial dosage compensation across species.

Dynamics of sex-biased gene expression over development in the stick insect Timema californicum

This study examines sex-biased gene expression dynamics during development in the hemimetabolous stick insect Timema californicum and compares it to the holometabolous fly Drosophila melanogaster.

Haplotype divergence supports ancient asexuality in the oribatid mite Oppiella nova

The paper uses genomic and transcriptomic data to show haplotype divergence patterns in asexual and sexual mite species, supporting ancient asexuality in Oppiella nova.

First annotated draft genomes of non-marine ostracods (Ostracoda, Crustacea) with different reproductive modes

The paper presents the first annotated draft genomes of three non-marine ostracod species, providing genomic resources for evolutionary and ecological studies.

Convergent consequences of parthenogenesis on stick insect genomes

This study compares parthenogenetic and sexual stick insect species to show reduced heterozygosity, less effective selection, and no TE accumulation in parthenogens.

Sex-biased gene expression is repeatedly masculinized in asexual females

The paper examines gene expression in asexual stick insect females and finds masculinized expression patterns, suggesting shifts in optimal gene expression after the suppression of sex.

Repeated evolution of asexuality involves convergent gene expression changes

The paper identifies convergent gene expression changes across multiple independent transitions to asexuality in stick insects, suggesting constrained molecular pathways for asexual reproduction.