G. Cossard

Origin and evolutionary trajectories of brown algal sex chromosomes

The paper analyzes brown algal genomes to trace the origin and evolution of U/V sex chromosomes, revealing gene gain-driven evolution and the demise of these systems through hermaphroditism and gene hierarchy shifts.

PARALLEL LOSS OF SEX IN FIELD POPULATIONS OF A BROWN ALGA SHEDS LIGHT ON THE MECHANISMS UNDERLYING THE EMERGENCE OF ASEXUALITY

The paper investigates the molecular mechanisms of asexual reproduction emergence in brown algae, finding convergent gene expression changes and a key autosomal locus associated with the loss of sex.

SELECTION DRIVES THE EVOLUTION OF CONVERGENT GENE EXPRESSION CHANGES DURING TRANSITIONS TO CO-SEXUALITY IN HAPLOID SEXUAL SYSTEMS

The paper examines gene expression changes during transitions to co-sexuality in brown algae, finding convergent expression shifts driven by selection.

A partially sex-reversed giant kelp sheds light into the mechanisms of sexual differentiation in a UV sexual system

The paper identifies a partially sex-reversed giant kelp strain, revealing transcriptional changes and gene expression patterns associated with sexual differentiation in a UV sexual system.

Chromatin dynamics associated with sexual differentiation in a UV sex determination system

This study identifies chromatin state changes associated with sexual differentiation in the brown alga Ectocarpus using UV sex chromosomes.

Enhanced leaky sex expression is an adaptive plastic response to pollen limitation in the dioecious plant Mercurialis annua

This study shows that leaky sex expression in Mercurialis annua increases under pollen limitation, indicating an adaptive plastic response to mating context.

YY males of the dioecious plant Mercurialis annua are fully viable but produce largely infertile pollen

The study compares viability and fertility between XY and YY males in Mercurialis annua, finding YY males produce largely infertile pollen despite similar viability.