Results 51 to 60 of about 499,830 (212)

A specific insertion of a solo-LTR characterizes the Y chromosome of Bryonia dioica (Cucurbitaceae) [PDF]

open access: yes, 2010
Background: Relatively few species of flowering plants are dioecious and even fewer are known to have sex chromosomes. Current theory posits that homomorphic sex chromosomes, such as found in Bryonia dioica (Cucurbitaceae), offer insight into the early ...
Silber, Martina V.   +8 more
core   +1 more source

AFLP linkage map of the Japanese quail Coturnix japonica

open access: yesGenetics Selection Evolution, 2003
The quail is a valuable farm and laboratory animal. Yet molecular information about this species remains scarce. We present here the first genetic linkage map of the Japanese quail.
Beaumont Catherine   +6 more
doaj   +1 more source

A Chromosome RNAissance [PDF]

open access: yesCell, 2002
In RNA-mediated interference (RNAi), double-stranded RNAs (dsRNAs) target complementary mRNAs for degradation. New work demonstrates that essential chromosomal functions are mediated through RNAi protein components and short RNAs, which alter chromosome function at specific DNA loci via histone modification.
Dernburg, Abby F., Karpen, Gary H.
openaire   +2 more sources

Method of obtaining metaphase cells for oyster karyotyping [PDF]

open access: yesBiotemas, 2010
Currently, mariculture is growing on the coast of Santa Catarina and Florianópolis is the largest producer of oysters in Brazil, cultivating the Japanese oyster Crassostrea gigas (Thunberg, 1793).
Rafael Alves   +1 more
doaj  

Selection of optimal bioinformatic tools and proper reference for reducing the alignment error in targeted sequencing data

open access: yesJournal of Medical Signals and Sensors, 2021
Background: Careful design in the primary steps of a next-generation sequencing study is critical for obtaining successful results in downstream analysis.
Hannane Mohammadi Nodehi   +2 more
doaj   +1 more source

Chromosome cohesion: A polymerase for chromosome bridges [PDF]

open access: yesCurrent Biology, 2000
How do cells ensure that sister chromatids produced during DNA replication stay connected with each other until their separation in anaphase? New insight is provided by the discovery of DNA polymerase kappa, which has been found to be required for building the connections between sister chromatids.
openaire   +2 more sources

Mitotic chromosomes are compacted laterally by KIF4 and condensin and axially by topoisomerase IIα [PDF]

open access: yes, 2012
© 2012 Samejima et al. This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication dateMitotic chromosome formation involves a relatively minor ...
Cooke, C.A.   +45 more
core   +1 more source

The Rice AAA-ATPase OsFIGNL1 Is Essential for Male Meiosis

open access: yesFrontiers in Plant Science, 2017
Meiosis is crucial in reproduction of plants and ensuring genetic diversity. Although several genes involved in homologous recombination and DNA repair have been reported, their functions in rice (Oryza sativa) male meiosis remain poorly understood. Here,
Peipei Zhang   +13 more
doaj   +1 more source

Analysis of chromosome positions in the interphase nucleus of Chinese hamster cells by laser-UV-microirradiation experiments [PDF]

open access: yes, 1982
Unsynchronized cells of an essentially diploid strain of female Chinese hamster cells derived from lung tissue (CHL) were laser-UV-microirradiated (=257 nm) in the nucleus either at its central part or at its periphery.
Cremer, Thomas   +8 more
core   +1 more source

B Chromosomes – A Matter of Chromosome Drive [PDF]

open access: yesFrontiers in Plant Science, 2017
B chromosomes are supernumerary chromosomes which are often preferentially inherited, deviating from usual Mendelian segregation. The balance between the so-called chromosome drive and the negative effects that the presence of Bs applies on the fitness of their host determines the frequency of Bs in a particular population.
openaire   +2 more sources

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