The Ecm11-Gmc2 complex promotes synaptonemal complex formation through assembly of transverse filaments in budding yeast [PDF]
During meiosis, homologous chromosomes pair at close proximity to form the synaptonemal complex (SC). This association is mediated by transverse filament proteins that hold the axes of homologous chromosomes together along their entire length. Transverse
AB Zavec +56 more
core +6 more sources
Chromosome number reports in five Onobrychis species (O. sect. Onobrychis, Fabaceae) in Iran [PDF]
In this study the original mitotic chromosome counts are presented for 5 Onobrychis species of O. sect. Onobrychis in Iran, 2n = 2x = 14 for O. persica, 2n = 4x = 28 for O. viciifolia, 2n = 4x = 28 for O. altissima, 2n = 2x = 14 for O.
Roya Karamian +2 more
doaj +1 more source
Complex chromosomal rearrangements: origin and meiotic behavior [PDF]
Complex chromosomal rearrangements (CCRs) describe structural rearrangements, essentially translocations, involving at least three breakpoints on two or more chromosomes. Although they are rare in humans, their clinical identification is important since CCR carriers can display various phenotypes which include phenotypically normal subjects, infertile ...
F, Pellestor +6 more
openaire +2 more sources
Chromosome complement and meiosis in three species of the Neotropical bug genus Antiteuchus (Heteroptera, Pentatomidae, Discocephalinae) [PDF]
Orcein staining of spermatocytes was used to study the meiotic behavior of holocentric chromosomes in three member of the genus Antiteuchus (commonly known as stink bugs). We describe and illustrate the karyotype of Antiteuchus mixtus, A. sepulcralis and
de Souza, Maria José, Lanzone, Cecilia
core +2 more sources
MEIOTIC BEHAVIOR OF ASYMMETRIC DYADS IN THE MALE DROSOPHILA [PDF]
ABSTRACT Crossing over in the interstitial region of the heterozygous V4 translocation in Drosophila melanogaster generates asymmetric dyads each consisting of a shorter and a longer chromatid It was shown previously that in the female the shorter is recovered preferentially (ZIMMERING 1955); the present work suggests that the same ...
S, Zimmering, E B, Bendbow
openaire +2 more sources
Background Meiosis of newly formed allopolyploids frequently encounter perturbations induced by the merging of divergent and hybridizable genomes. However, to date, the meiotic properties of allopolyploids with dysploid parental karyotypes have not been ...
Qinzheng Zhao +9 more
doaj +1 more source
Conformational dynamics of the Hop1 HORMA domain reveal a common mechanism with the spindle checkpoint protein Mad2. [PDF]
The HORMA domain is a highly conserved protein-protein interaction module found in eukaryotic signaling proteins including the spindle assembly checkpoint protein Mad2 and the meiotic HORMAD proteins.
Corbett, Kevin D +2 more
core +2 more sources
Pushing the (nuclear) envelope into meiosis. [PDF]
A recent study shows that a short isoform of a mammalian nuclear lamin is important for homologous chromosome interactions during meiotic prophase in ...
Dernburg, Abby F
core +1 more source
Meiotic behavior of Brachiaria decumbens hybrids
Brachiaria decumbens is a forage grass of inestimable value for livestock in Brazil due to its production of good quality forage even when planted on acid and poor soils, although it is susceptible to pasture spittlebugs. Only one cultivar, cv. Basilisk, has been used as the pollen donor in crosses with Brachiaria ruziziensis since 1988 at Embrapa Gado
V F, Souza +5 more
openaire +2 more sources
Meiotic behavior of two polyploid species of genus Pleurodema (Anura: Leiuperidae) from central Argentina [PDF]
Polyploidy is an important evolutionary force but rare in vertebrates. However, in anurans, the genus Pleurodema has polyploid species, two of them tetraploid and one octoploid.
Grenat, Pablo Raúl +4 more
core +2 more sources

