[HTML][HTML] Genetic and karyotype divergence between parents affect clonality and sterility in hybrids

A Marta, T Tichopád, O Bartoš, J Klíma, MA Shah… - Elife, 2023 - elifesciences.org
Asexual reproduction can be triggered by interspecific hybridization, but its emergence is
supposedly rare, relying on exceptional combinations of suitable genomes. To examine how …

[HTML][HTML] Genome elimination from the germline cells in diploid and triploid male water frogs Pelophylax esculentus

M Chmielewska, M Kaźmierczak… - Frontiers in Cell and …, 2022 - frontiersin.org
Hybridogenesis is a hemiclonal reproductive strategy in diploid and triploid hybrids. Our
study model is a frog P. esculentus (diploid RL and triploids RLL and RRL), a natural hybrid …

Spaghetti connections: synaptonemal complexes as a tool to explore chromosome structure, evolution, and meiotic behavior in fish

A Lisachov, D Dedukh, S Simanovsky… - … and Genome Research, 2024 - karger.com
Compared with conventional metaphase chromosomes, pachytene chromosomes are less
condensed and exhibit pairing between homologous chromosomes. These features of SCs …

[HTML][HTML] Robertsonian fusion triggers recombination suppression on sex chromosomes in Coleonyx geckos

A Lisachov, K Tishakova, S Romanenko… - Scientific Reports, 2023 - nature.com
The classical hypothesis proposes that the lack of recombination on sex chromosomes
arises due to selection for linkage between a sex-determining locus and sexually …

[HTML][HTML] A cyclical switch of gametogenic pathways in hybrids depends on the ploidy level

D Dedukh, A Marta, RY Myung, MH Ko… - Communications …, 2024 - nature.com
The cellular and molecular mechanisms governing sexual reproduction are conserved
across eukaryotes. Nevertheless, hybridization can disrupt these mechanisms, leading to …

From asexuality to sexual reproduction: cyclical switch of gametogenic pathways in hybrids depends on ploidy level

D Dedukh, A Marta, RY Myung, MH Ko, DS Choi… - BioRxiv, 2023 - biorxiv.org
The cellular and molecular mechanisms governing sexual reproduction is highly conserved
across eukaryotes. Nevertheless, hybridization can disrupt such machinery leading to …

Differentiated sex chromosomes, karyotype evolution, and spontaneous triploidy in carphodactylid geckos

E Pensabene, B Augstenová, L Kratochvíl… - Journal of …, 2024 - academic.oup.com
Geckos exhibit derived karyotypes without a clear distinction between macrochromosomes
and microchromosomes and intriguing diversity in sex determination mechanisms. We …

[HTML][HTML] Achiasmatic meiosis in the unisexual Amazon molly, Poecilia formosa

D Dedukh, I Da Cruz, S Kneitz, A Marta… - Chromosome …, 2022 - Springer
Unisexual reproduction, which generates clonal offspring, is an alternative strategy to sexual
breeding and occurs even in vertebrates. A wide range of non-sexual reproductive modes …

[PDF][PDF] Tendency towards clonality: deviations of meiosis in parthenogenetic Caucasian rock lizards

V Spangenberg, M Arakelyan… - … preprint-get paper …, 2024 - researchgate.net
Cytogenetic mechanisms of unisexuality in diploid parthenogenetic species of the genus
Darevskia have remained debatable until recently. The mechanism that allows the unisexual …

Variants of a major DNA satellite discriminate parental subgenomes in a hybrid parthenogenetic lizard Darevskia unisexualis (Darevsky, 1966)

P Nikitin, S Sidorov, T Liehr, K Klimina… - … Zoology Part B …, 2024 - Wiley Online Library
Hybrid parthenogenetic animals are an exceptionally interesting model for studying the
mechanisms and evolution of sexual and asexual reproduction. A diploid parthenogenetic …