Results 201 to 210 of about 42,068 (256)

Human selection maintains karyotype integrity of highly unstable genomic cultivated autotetraploid potato (<i>Solanum tuberosum</i>). [PDF]

Sci Adv
Yang L, Bai Y, Chao G, Zhao K, Xu J, Sun M, Zhang H, Niu Y, Li K, Xiong Z, Cao Y, Wang F, Hai B, Cao C, Yin Y, Lin T, Wang Y, Gong X, Wu L, Jiang J, Xiong Z.   +20 more
europepmc   +1 more source

Genomic introgressions from wild relatives in the wheat genome alter meiotic dynamics in inter-varietal hybrids. [PDF]

Plant J
Yan L, Chéron F, Nadaud I, Hao M, Liu D, Sourdille P.   +5 more
europepmc   +1 more source

Meiotic pairing through barcode-like satellite DNA repeats

Skrutl L, Chavan A, Sintsova A, Ceppi I, Ropp CJ, Sunagawa S, Cejka P, Jagannathan M.   +7 more
europepmc   +1 more source

Programmed meiotic errors facilitate dichotomous sperm production in the silkworm, <i>Bombyx mori</i>. [PDF]

Proc Natl Acad Sci U S A
Benner L, Richmond M, Xiang Y, Lee L, Hockens CB, Li T, Yu Z, Tsuchiya D, Huang S, Tromer EC, Hawley RS, Rosin LF.   +11 more
europepmc   +1 more source

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Centromere pairing precedes meiotic chromosome pairing in plants

Science China Life Sciences, 2017
Meiosis is a specialized eukaryotic cell division, in which diploid cells undergo a single round of DNA replication and two rounds of nuclear division to produce haploid gametes. In most eukaryotes, the core events of meiotic prophase I are chromosomal pairing, synapsis and recombination.
Fangpu Han, Han Fangpu
exaly   +3 more sources

Meiotic Chromosome Pairing in Triticale

Nature, 1970
CONSIDERABLE attention is currently being paid to the possible use of Triticale as a new crop; indeed, a variety has already been named in Canada1. Triticale is a hybrid genus of synthetic amphiploids which have the full chromosome complements of wheat (Triticum) and rye (Secale). Octoploid forms, of Triticale have fifty-six chromosomes, made up of the
R, Riley, T E, Miller
openaire   +2 more sources

Homologous chromosome pairing in wheat

Journal of Cell Science, 1999
ABSTRACT Bread wheat is a hexaploid (AABBDD, 2n=6x=42) containing three related ancestral genomes, each having 7 chromosomes, giving 42 chromosomes in diploid cells. During meiosis true homologues are correctly associated in wild-type wheat, but a degree of association of related chromosomes (homoeologues) occurs in a mutant (ph1b).
E, Martínez-Pérez, P, Shaw, S, Reader, L, Aragón-Alcaide, T, Miller, G, Moore   +5 more
openaire   +2 more sources

To pair or not to pair: chromosome pairing and evolution

Current Opinion in Plant Biology, 1998
Chromosome pairing in wild-type wheat closely resembles the process in both yeast and Drosophila. The recent characterisation of a mutant Ph1 wheat and the observation that chromosome pairing in the absence of Ph1 more closely resembles that of mammals and maize has shed light on the evolution of chromosome pairing in the cereals.
openaire   +2 more sources

Pairing at the chromosomal level

Journal of Cellular Physiology, 1967
The discovery of the phenomenon of nonhomologous pairing in the female of Drosophila melanogaster provided a genetic tool for analyzing chromosome behavior, which has made it possible to establish a temporal order of meiotic events that includes two types of pairing, one preceding exchange (exchange pairing) and one following exchange (distributive ...
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Joint Classification and Pairing of Human Chromosomes

IEEE/ACM Transactions on Computational Biology and Bioinformatics, 2005
We reexamine the problems of computer-aided classification and pairing of human chromosomes, and propose to jointly optimize the solutions of these two related problems. The combined problem is formulated into one of optimal three-dimensional assignment with an objective function of maximum likelihood. This formulation poses two technical challenges: 1)
Pravesh Biyani, Xiaolin Wu 0001, Abhijit Sinha   +2 more
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