Achiasmy and sex chromosome evolution

K Satomura, N Osada, T Endo - Ecological Genetics and Genomics, 2019 - Elsevier
Achiasmy is a phenomenon whereby chiasma (“chromosomal cross–over”) formation is
absent during meiosis in one or both sexes. It is one of the strategies that have evolved to …

Karyotype diversity and chromosomal organization of repetitive DNA in Tityus obscurus (Scorpiones, Buthidae)

BRR Almeida, SSR Milhomem-Paixão, RCR Noronha… - BMC genetics, 2017 - Springer
Background Holocentric chromosomes occur in approximately 750 species of eukaryotes.
Among them, the genus Tityus (Scorpiones, Buthidae) has a labile karyotype that shows …

High chromosome variability and the presence of multivalent associations in buthid scorpions

VF Mattos, DM Cella, LS Carvalho, DM Candido… - Chromosome …, 2013 - Springer
In this study, we investigated the mitotic and meiotic chromosomes of 11 Buthidae scorpion
species, belonging to three genera (Ananteris, Rhopalurus and Tityus), to obtain detailed …

Molecular cytogenetics of Androctonus scorpions: an oasis of calm in the turbulent karyotype evolution of the diverse family Buthidae

D Sadílek, P Nguyen, H Koç, F Kovařík… - Biological Journal of …, 2015 - academic.oup.com
Recent cytogenetic and genomic studies suggest that morphological and molecular
evolution is decoupled in the basal arachnid order Scorpiones. Extraordinary karyotype …

Complex meiotic configuration of the holocentric chromosomes: the intriguing case of the scorpion Tityus bahiensis

MC Schneider, AA Zacaro, R Pinto-da-Rocha… - Chromosome …, 2009 - Springer
Mitotic and meiotic chromosomes of Tityus bahiensis were investigated using light (LM) and
transmission electron microscopy (TEM) to determine the chromosomal characteristics and …

Male and female meiosis in the mountain scorpion Zabius fuscus (Scorpiones, Buthidae): heterochromatin, rDNA and TTAGG telomeric repeats

RS Adilardi, AA Ojanguren-Affilastro, CI Mattoni… - Genetica, 2015 - Springer
All cytogenetically studied scorpions present male achiasmatic meiosis and lack
heteromorphic sex chromosomes. In contrast, information about female meiosis in scorpions …

Location of 45S ribosomal genes in mitotic and meiotic chromosomes of buthid scorpions

VF Mattos, LS Carvalho, DM Cella, MC Schneider - Zoological Science, 2014 - BioOne
Buthid scorpions exhibit a high variability in diploid number within genera and even within
species. Cytogenetically, Buthidae differs from other families of Scorpiones based on its low …

Records of scorpions from the Palestinian Territories, with the first chromosomal data (Arachnida: Scorpiones)

MB Qumsiyeh, INA Salman, M Salsaa'… - Zoology in the Middle …, 2013 - Taylor & Francis
Seven species were collected from several habitats in the West Bank, namely Leiurus
quinquestriatus, Androctonus crassicauda, Compsobuthus werneri, Orthochirus …

Karyotypová variabilita asijských štírů čeledi Scorpionidae (Arachnida: Scorpiones)

A Kášová - 2024 - dspace.cuni.cz
Čeleď Scorpionidae představuje čeleď štírů, která zahrnuje velikostně největší druhy v rámci
celého řádu štíři (Scorpiones). V současné chvíli probíhá intenzivní revize celé této skupiny …

[PDF][PDF] The first record of karyotypes in Leiurus abdullahbayrami and Compsobuthus matthiesseni (Scorpiones: Buthidae) from Turkey

F Stahlavsky, H Koc, EA Yagmur - North-West J Zool, 2014 - biozoojournals.ro
The karyotypes of Leiurus abdullahbayrami Yağmur, Koç & Kunt, 2009 and Compsobuthus
matthiesseni (Birula, 1905) from Turkey are presented for the first time. Both analyzed …