Results 11 to 20 of about 328,618 (261)

X chromosome inactivation during Drosophila spermatogenesis. [PDF]

open access: yesPLoS Biology, 2007
Genes with male- and testis-enriched expression are under-represented on the Drosophila melanogaster X chromosome. There is also an excess of retrotransposed genes, many of which are expressed in testis, that have "escaped" the X chromosome and moved to ...
Winfried Hense   +2 more
doaj   +1 more source

Inexpensive protocol for single-cell X-chromosome inactivation analysis: Xist expression and H3K27me3 staining [PDF]

open access: yesПисьма в Вавиловский журнал генетики и селекции, 2022
The X-chromosome status is an important marker of mammalian cell embryonic differentiation. Both female X-chromosomes are transcriptionally active (Xa) at the blastocyst stage, then one of the X-chromosomes undergoes random inactivation (Xi).
Pristyazhnyuk I.E.   +2 more
doaj   +1 more source

A Novel Nonsense Mutation of PHF6 in a Female with Extended Phenotypes of Borjeson-Forssman-Lehmann Syndrome

open access: yesJCRPE, 2019
Borjeson-Forssman-Lehmann syndrome (BFLS) is a rare X-linked disease caused by PHF6 mutations. Classic BFLS has been associated with intellectual disability (ID), developmental delay (DD), obesity, epilepsy, typical facial features and anomalies of ...
Xia Zhang   +9 more
doaj   +1 more source

Dynamics of the two heterochromatin types during imprinted X chromosome inactivation in vole Microtus levis.

open access: yesPLoS ONE, 2014
In rodent female mammals, there are two forms of X-inactivation - imprinted and random which take place in extraembryonic and embryonic tissues, respectively.
Evgeniya A Vaskova   +7 more
doaj   +1 more source

Genomic environment predicts expression patterns on the human inactive X chromosome. [PDF]

open access: yesPLoS Genetics, 2006
What genomic landmarks render most genes silent while leaving others expressed on the inactive X chromosome in mammalian females? To date, signals determining expression status of genes on the inactive X remain enigmatic despite the availability of ...
Laura Carrel   +5 more
doaj   +1 more source

Independent evolution of transcriptional inactivation on sex chromosomes in birds and mammals. [PDF]

open access: yesPLoS Genetics, 2013
X chromosome inactivation in eutherian mammals has been thought to be tightly controlled, as expected from a mechanism that compensates for the different dosage of X-borne genes in XX females and XY males.
Alexandra M Livernois   +4 more
doaj   +1 more source

Characterisation of inactivation domains and evolutionary strata in human X chromosome through Markov segmentation. [PDF]

open access: yesPLoS ONE, 2009
Markov segmentation is a method of identifying compositionally different subsequences in a given symbolic sequence. We have applied this technique to the DNA sequence of the human X chromosome to analyze its compositional structure.
Ashwin Kelkar   +3 more
doaj   +1 more source

Clinical expression of Menkes disease in females with normal karyotype

open access: yesOrphanet Journal of Rare Diseases, 2012
Background Menkes Disease (MD) is a rare X-linked recessive fatal neurodegenerative disorder caused by mutations in the ATP7A gene, and most patients are males.
Møller Lisbeth   +13 more
doaj   +1 more source

A Primary Role for the Tsix lncRNA in Maintaining Random X-Chromosome Inactivation

open access: yesCell Reports, 2015
Differentiating pluripotent epiblast cells in eutherians undergo random X-inactivation, which equalizes X-linked gene expression between the sexes by silencing one of the two X-chromosomes in females. Tsix RNA is believed to orchestrate the initiation of 
Srimonta Gayen   +4 more
doaj   +1 more source

A YY1 Bridge for X Inactivation

open access: yesCell, 2011
Xist RNA inactivates one mammalian X chromosome (the Xi) by associating with it in cis. The mechanism of this interaction is unresolved. Jeon and Lee (2011) now show that YY1 binds both Xist RNA and DNA, thereby providing a mechanism to anchor Xist to the Xi and facilitate X chromosome inactivation.
Thorvaldsen, Joanne L.   +2 more
openaire   +2 more sources

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