Results 161 to 170 of about 7,944 (193)

THE SYNAPTONEMAL COMPLEX IN GENETIC SEGREGATION

Annual Review of Genetics, 1984
The assembly, rearrangement and disassembly of the synaptonemal complex during the stages from leptotene to anaphase I of meiosis are described. The assembly of the lateral component of the synaptonemal complex between the sister chromatids of the leptotene chromosome causes the undivided appearance of the leptotene chromosome in the light microscope ...
D, von Wettstein, S W, Rasmussen, P B, Holm   +2 more
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Synaptonemal Complexes of Xenopus laevis

Journal of Heredity, 1992
Synaptonemal complexes (SCs) have been analyzed in spread Xenopus spermatocytes and oocytes. They showed all the usual features of animal SCs in addition to a high incidence of centromere mismatching. A centriole pair is visible throughout zygotene and pachytene.
J, Loidl, D, Schweizer
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Origin of the synaptonemal complex

Experientia, 1972
La microscopie eletronique des noyaux meiotiques de l'amphibien tetraploideO. americanus et de la souris a permis d'emettre l'hypothese suivant laquelle le complexe synaptonemique resulte de l'invagination de la membrane nucleaire, le synapsis etant la consequence de ce mecanisme.
M L, Beçak, W, Beçak
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SYNAPTONEMAL COMPLEXES AND MEIOSIS IN MYXOMYCETES

American Journal of Botany, 1970
Synaptonemal complexes (SC) have been observed in spores 18–24 hr past cleavage in natural fruitings of Physarum cinereum, P. bogoriense, Hemitrichia stipitata, Tubifera ferruginosa, and Arcyria incarnata. Laboratory fruitings of Arcyria cinerea, Stemonitis herbatica, and a homothallic isolate of Physarum pusillum also have SC's present in spores ...
H C, Aldrich, C W, Mims
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Scanning electron microscopy of synaptonemal complexes

Chromosome Research, 1993
The novel application of scanning electron microscopy to study whole-mount surface-spread synaptonemal complex complements of rye (Secale cereale) and rat (Rattus norvegicus) is described. Scanning electron microscopy is able to resolve the third dimension in such preparations and improve the tracing of the continuity of lateral elements without losing
A L, Barlow, G, Jenkins, I, ap Gwynn
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Synaptonemal complex studies in the male

Human Reproduction, 1987
Observations in synaptemal complexes in men carrying structural or numerical chromosomal anomalies are reviewed. Chromosome pairing in patients with extra chromosomes, Robertsonian translocations, reciprocal translocations and pericentric inversions is described.
F, Vidal, J, Navarro, C, Templado, J, Egozcue   +3 more
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Synaptonemal complex karyotype of Eimeria tenella

International Journal for Parasitology, 2005
In most organisms, biological variability rests on the behaviour of the chromosomes in the meiotic context. Despite the importance of meiosis, very little is known about the meiotic behaviour of the Eimeria chromosomes. The aim of the present study is to describe the standard synaptonemal complex karyotype from Eimeria tenella oocyst spreads by ...
Emilio, del Cacho, Marc, Pages, Margarita, Gallego, Luis, Monteagudo, Caridad, Sánchez-Acedo   +4 more
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Synaptonemal complexes: structure and function

Current Opinion in Cell Biology, 1996
Synaptonemal complexes (SCs) are zipper-like structures which are assembled between homologous chromosomes during the prophase of the first meiotic division. Their assembly and disassembly correlate with the successive chromatin rearrangements of meiotic prophase, namely the condensation, pairing, recombination and disjunction of homologous chromosomes.
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Superresolution imaging of the synaptonemal complex

2018
This chapter describes how two different superresolution microscopy techniques, namely, structured illumination microscopy and direct stochastic optical reconstruction microscopy, can be used to analyze the molecular architecture of the synaptonemal complex.
Schücker, K., Sauer, M., Benavente, R.
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Synaptonemal complexes in insects

International Journal of Insect Morphology and Embryology, 1996
Abstract The synaptonemal complex (SC) is the key nuclear element formed in meiotic prophase I to join 2 homologous chromosomes at the pachytene bivalent. It is a highly conserved structure that is universally present in eukaryotes. The SC is presented as a tripartite protein structure, which consists of 2 lateral elements and a central region.
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