T. Lenormand

A single theory for the evolution of sex chromosomes and the two rules of speciation

This paper presents a unified theory explaining the evolution of sex chromosomes and the two rules of speciation by showing that Haldane's rule and the large X effect arise from gene expression misregulation in hybrid offspring.

Transgenerational chromosome repair in the asexual bdelloid rotifer Adineta vaga

This study identifies a novel transgenerational DNA repair mechanism in the asexual bdelloid rotifer Adineta vaga that uses meiotic recombination to repair fragmented chromosomes across generations.

Can mechanistic constraints on recombination reestablishment explain the long-term maintenance of degenerate sex chromosomes?

This paper investigates whether mechanistic constraints on recombination can maintain degenerate sex chromosomes over the long term and finds they face theoretical difficulties.

The genetic architecture of local adaptation in a cline

This study shows that clustering of local adaptation genes is common in clines during adaptation and reconfiguration phases, influenced by fitness functions.

Asexual male production by ZW recombination in Artemia parthenogenetica

The paper investigates how asexual males are produced in Artemia parthenogenetica through ZW recombination during non-clonal parthenogenesis, finding evidence of loss of heterozygosity at the sex determination locus.

No support for a meiosis suppressor in Daphnia pulex: Comparison of linkage maps reveals normal recombination in males of obligate parthenogenetic lineages.

This study compares recombination rates in males of obligate and cyclical parthenogenetic Daphnia pulex lineages, finding no suppression of meiosis in OP males.

The origin of asexual brine shrimps

This study investigates the origin of asexual lineages in Artemia parthenogenetica, finding they arose through recent hybridization events and automixis.

Y recombination arrest and degeneration in the absence of sexual dimorphism

This paper challenges current sex chromosome evolution theory by showing dosage compensation can maintain Y chromosome strata without sexual dimorphism-driven selection.

Strong transgenerational effects but no genetic adaptation in zooplankton 24 years after an abrupt +10°C climate change

This study shows that introduced brine shrimp show increased heat tolerance after 24 years, but this is due to transgenerational effects, not genetics, plasticity, or microbiota.

Trait-specific trade-offs prevent niche expansion in two parasites

This study shows that spore production trade-offs prevent two parasites from evolving broader host niches, despite infectivity being easily adaptable.

Cost of resistance: an unreasonably expensive concept

The paper critiques the concept of resistance cost in evolutionary genetics, arguing for a more nuanced analysis of mutation fitness effects across environments.

Decomposing parasite fitness in a two-host, two-parasite system reveals the underpinnings of parasite specialization

The paper measures parasite fitness across two host species and decomposes specialization into traits, showing partial specialization with trade-offs in virulence and transmission.

Long-term prevalence data reveals spillover dynamics in a multi-host (Artemia), multi-parasite (Microsporidia) community

The paper uses long-term prevalence data to study spillover dynamics in a multi-host, multi-parasite community, revealing that one parasite depends on a maintenance host for persistence.