Results 91 to 100 of about 286 (125)

A holocentric pangenome links karyotype evolution to meiotic recombination

Zhang M, Steckenborn S, Castellani M, Marin-Gual L, Souza Camara A, Avila Robledillo L, Parteka LM, Sargheini N, Marek M, Chacon EM, Gatica Arias A, Felix LP, Thomas W, Huettel B, Pedrosa-Harand A, Lovell JT, Vanzela A, Ruiz-Herrera AM, Marques A.   +18 more
europepmc   +1 more source

Sex without crossovers mimics clonal reproduction in the holocentric plant Rhynchospora tenuis

Zhang M, Castellani M, Steckenborn S, Majka M, Tsipas G, Nascimento T, Neumann U, Thangavel G, Robledillo LA, Lux T, Deberón L, Pfordt U, Campoy JA, Vijayan A, Timmers T, Sargheini N, Marek M, Sun H, Hofstatter PG, Huettel B, Dreissig S, Mayer KFX, Figueiredo DD, Vanzela ALL, Schneeberger K, Marques A.   +25 more
europepmc   +1 more source

Holokinetic Drive: Centromere Drive in Chromosomes Without Centromeres. [PDF]

Evolution; International Journal of Organic Evolution, 2014
Petr Bureš, František Zedek
exaly   +2 more sources

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Distribution of 5S and 45S rDNA Sites in Plants With Holokinetic Chromosomes and the “Chromosome Field” Hypothesis

Micron, 2011
Secondary constrictions or 45S rDNA sites are commonly reported to be located mainly in the terminal regions of the chromosomes. This distribution has been assumed to be related to the existence of a "chromosome field" lying between the centromere and the telomere, an area in which certain cytogenetic events may predominantly occur.
Yolanda Loarce, Angeles Cuadrado, Marcelo Guerra   +2 more
exaly   +3 more sources

Neocentrics and Holokinetics (Holocentrics): Chromosomes Out of the Centromeric Rules

Cytogenetic and Genome Research, 2010
The centromere appears as a single constriction at mitotic metaphase in most eukaryotic chromosomes. Holokinetic chromosomes are the exception to this rule because they do not show any centromeric constrictions. Holokinetic chromosomes are usually forgotten in most reviews about centromeres, despite their presence in a number of animal and plant ...
Monica González-Sánchez, Juan Vega, Miriam González-García   +2 more
exaly   +3 more sources

Karyotype and Meiotic Behaviour of the Holokinetic Chromosomes of Six Argentine Species of Pentatomidae (Heteroptera) [PDF]

Caryologia, 2001
Abstract The Pentatomidae are one of the largest families of Heteroptera with approximately 250 species cytogenetically analyzed. They possess holokinetic chromosomes, a modal diploid number of 14 (range 6–27) and a sex chromosome determining system XY/XX.
P.J. Rebagliati, L.M. Mola, A.G. Papeschi   +2 more
exaly   +2 more sources

The Nucleolar Cycle in Karyomeres ofTetranychus urticae Koch (Acari, Tetranichidae) in Relation to Replication of Fragments of Holokinetic Chromosomes

Protoplasma, 1984
Chromosomes and nucleoli in the karyomeres of cleavage eggs of the arrhenotokous spidermiteTetranychus urticae Koch were treated with a silver-staining procedure for nucleolar material to establish the number of nucleoli and of the chromosomes that produce them.
M J Tempelaar
exaly   +3 more sources

Differential Giemsa Staining of the Holokinetic Chromosomes of the Two-Spotted Spider Mite,Tetranychus Urticae Koch (Acari, Tetranychidae)

Experientia, 1976
L P Pijnacker
exaly   +2 more sources

Holokinetic Composite Chromosomes With “Diffuse” Kinetochores in the Micronuclear Mitosis of a Heterotrichous Ciliate

Chromosoma, 1982
During micronuclear mitosis of the heterotrichous ciliate Nyctotherus ovalis Leidy rod-shaped composite chromosomes are formed by lateral association of telokinetic chromosomes. The formation of these composite chromosomes seems to be a highly ordered process since only nuclei with either 18 or 24 such chromosomes can be observed, and nuclei with the ...
U. Eichenlaub-Ritter, A. Ruthmann
exaly   +2 more sources