Frequent origins of traumatic insemination involve convergent shifts in sperm and genital morphology

JN Brand, LJ Harmon, L Schärer - Evolution Letters, 2022 - academic.oup.com
Traumatic insemination is a mating behavior during which the (sperm) donor uses a
traumatic intromittent organ to inject an ejaculate through the epidermis of the (sperm) …

[HTML][HTML] Large-scale phylogenomics of the genus Macrostomum (Platyhelminthes) reveals cryptic diversity and novel sexual traits

JN Brand, G Viktorin, RAW Wiberg, C Beisel… - Molecular Phylogenetics …, 2022 - Elsevier
Free-living flatworms of the genus Macrostomum are small and transparent animals,
representing attractive study organisms for a broad range of topics in evolutionary …

B Chromosomes in Free-Living Flatworms of the Genus Macrostomum (Platyhelminthes, Macrostomorpha)

KS Zadesenets, NB Rubtsov - International Journal of Molecular Sciences, 2021 - mdpi.com
B chromosomes (Bs) or supernumerary chromosomes are extra chromosomes in the
species karyotype that can vary in its copy number. Bs are widespread in eukaryotes …

Mating strategy predicts gene presence/absence patterns in a genus of simultaneously hermaphroditic flatworms

RAW Wiberg, G Viktorin, L Schärer - Evolution, 2022 - academic.oup.com
Gene repertoire turnover is a characteristic of genome evolution. However, we lack well-
replicated analyses of presence/absence patterns associated with different selection …

Faster rates of molecular sequence evolution in reproduction-related genes and in species with hypodermic sperm morphologies

RAW Wiberg, JN Brand, L Schärer - Molecular Biology and …, 2021 - academic.oup.com
Sexual selection drives the evolution of many striking behaviors and morphologies and
should leave signatures of selection at loci underlying these phenotypes. However, although …

Evolution of sex allocation plasticity in a hermaphroditic flatworm genus

P Singh, L Schärer - Journal of Evolutionary Biology, 2022 - academic.oup.com
Sex allocation theory in simultaneous hermaphrodites predicts that optimal sex allocation is
influenced by local sperm competition, which occurs when related sperm compete to fertilize …

Reproductive isolation between two cryptic sponge species in New Zealand: high levels of connectivity and clonality shape Tethya species boundaries

MR Shaffer, SK Davy, JJ Bell - Marine Biology, 2021 - Springer
Although commonly reported among widespread marine taxa, hybridization has only been
recorded for one species of marine sponge to date. Sponges have evolved an array of …

Molecular identification of twenty-six moth species based on mitichondrial COI gene sequences

S Islam, IS Sakal, MS Abedin, A Ghosh… - Bangladesh Journal of …, 2024 - banglajol.info
The widespread use of the mitochondrial gene, Cytochrome c oxidase subunit I (COI), for
molecular identification of moth species is both reliable and time-efficient. In the present …

Evolution and co-evolution of the suck behaviour, a postcopulatory female resistance trait that manipulates received ejaculate

P Singh, JN Brand, L Schärer - bioRxiv, 2022 - biorxiv.org
Sexual conflicts over the post-mating fate of received ejaculate can favour traits in one sex
that are costly to the other. Reciprocally mating hermaphrodites face unique challenges as …

[PDF][PDF] ORCID Numbers

RAW Wiberg, JN Brand, L Schärer - scholar.archive.org
Sexual selection drives the evolution of many striking behaviours and morphologies, and
should leave signatures of selection at loci underlying these phenotypes. However, while …