S. M. Coelho

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.

Sex chromosome dominance in a UV sexual system

This study investigates the genetic and molecular interactions between U and V sex chromosomes in the brown alga Ectocarpus across its life cycle, revealing developmental regulation and histone modifications in the diploid sporophyte stage.

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.

Uncovering gene-family founder events during major evolutionary transitions in animals, plants and fungi using GenEra

GenEra identifies gene-family founder events across species, revealing neofunctionalization as a key driver of evolutionary novelty and linking these events to major transitions like multicellularity and terrestrialization.

Low spontaneous mutation rate in a complex multicellular eukaryote with a haploid-diploid life cycle

The paper estimates the mutation rate in Ectocarpus, a brown algae with a haploid-diploid life cycle, finding it to be unusually low for a complex multicellular eukaryote.

Evolution and diversity of the TopoVI and TopoVI-like subunits with extensive divergence of the TOPOVIBL subunit

This study investigates the evolution of TopoVI and TopoVI-like subunits, focusing on the divergence of TOPOVIBL and its role in meiotic DNA break generation.

Evolutionary dynamics of sex-biased gene expression in a young XY system: Insightsfrom the brown alga genus Fucus

This study examines sex-biased gene expression in two dioecious brown algae species, finding conserved male-biased genes related to gamete production and accelerated evolution in male-biased genes.

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.

Evolution of life cycles and reproductive traits: insights from the brown algae

This study examines the evolution of life cycle and reproductive traits in brown algae, finding diploid growth may evolve due to mutation complementation and haploid sex determination is ancestral.

Convergent recruitment of life cycle regulators to direct sporophyte development in two eukaryotic supergroups

This study shows that TALE HD TFs regulate sporophyte development in two eukaryotic supergroups, indicating an ancient origin of this regulatory system.

Rapid turnover of life-cycle-related genes in the brown algae

The paper examines generation-biased gene expression in brown algae, finding high turnover rates and distinct evolutionary patterns between gametophyte and sporophyte genes.