Results 21 to 30 of about 252,745 (293)

Gene dosage analysis in Azotobacter vinelandii. [PDF]

open access: yesGenetics, 1992
Abstract For more than a decade, Azotobacter vinelandii has been considered a polyploid bacterium on the basis of physical studies of chromosome size and DNA content per cell. However, as described in the present work, many genetic operations can be performed in A. vinelandii without the constraints expected in a polyploid bacterium: (i)
Maldonado, Rafael   +3 more
openaire   +3 more sources

General lack of global dosage compensation in ZZ/ZW systems? Broadening the perspective with RNA-seq [PDF]

open access: yes, 2011
Background Species with heteromorphic sex chromosomes face the challenge of large-scale imbalance in gene dose. Microarray-based studies in several independent male heterogametic XX/XY systems suggest that dosage compensation mechanisms are in place to ...
Bryk, Jaroslaw,   +11 more
core   +1 more source

The Chromosomal High-Affinity Binding Sites for the Drosophila Dosage Compensation Complex [PDF]

open access: yes, 2008
Dosage compensation in male Drosophila relies on the X chromosome-specific recruitment of a chromatin-modifying machinery, the dosage compensation complex (DCC). The principles that assure selective targeting of the DCC are unknown.
Grimaud, Charlotte   +16 more
core   +1 more source

On the Mode of Gene-Dosage Compensation in Drosophila [PDF]

open access: yesGenetics, 1997
A procedure is described for determining the mode and magnitude of gene-dosage compensation of transformed genes. It involves measurement of the ratio of the activity of a gene inserted at X-linked sites to the activity of the same gene inserted at autosomal sites.
I, Arkhipova, J, Li, M, Meselson
openaire   +2 more sources

Targeting determinants of dosage compensation in Drosophila [PDF]

open access: yes, 2006
The dosage compensation complex (DCC) in Drosophila melanogaster is responsible for up-regulating transcription from the single male X chromosome to equal the transcription from the two X chromosomes in females.
Rosemarie Lamm   +18 more
core   +1 more source

Dosage-sensitive genes in evolution and disease [PDF]

open access: yesBMC Biology, 2017
For a subset of genes in our genome a change in gene dosage, by duplication or deletion, causes a phenotypic effect. These dosage-sensitive genes may confer an advantage upon copy number change, but more typically they are associated with disease, including heart disease, cancers and neuropsychiatric disorders. This gene copy number sensitivity creates
Alan M. Rice, Aoife McLysaght
openaire   +4 more sources

Effects of Aberrant Pax6 Gene Dosage on Mouse Corneal Pathophysiology and Corneal Epithelial Homeostasis [PDF]

open access: yes, 2011
Background: Altered dosage of the transcription factor PAX6 causes multiple human eye pathophysiologies. PAX6(+/-) heterozygotes suffer from aniridia and aniridia-related keratopathy (ARK), a corneal deterioration that probably involves a limbal ...
Fullwood, Nigel J.   +34 more
core   +1 more source

Association of the CCR5 gene with juvenile idiopathic arthritis [PDF]

open access: yes, 2010
The CC chemokine receptor 5 (CCR5) has been shown to be important in the recruitment of T-helper cells to the synovium, where they accumulate, drive the inflammatory process and the consequent synovitis and joint destruction.
Martin, P.   +22 more
core   +1 more source

Combination of Genetic Manipulation Improved Saccharomycopsis fibuligera α-Amylase Secretion by Pichia pastoris

open access: yesIndonesian Journal of Chemistry, 2019
This study assessed the combinations of genetic manipulation; signal peptide modification, gene dosage increment and co-expression of folding component, to increase Saccharomycopsis fibuligera R64 α-amylase (Sfamy) secretion in Pichia pastoris.
Shabarni Gaffar   +4 more
doaj   +1 more source

Karyotype, ploidy, and gene dosage [PDF]

open access: yesWormBook, 2005
The normal karyotype of Caenorhabditis elegans, with its five pairs of autosomes and single pair of X chromosomes, is described. General features of chromosomes and global differences between different chromosomal regions are discussed. Abnormal karyotypes, including duplications, deficiencies, inversions, translocations and chromosome fusions are ...
openaire   +2 more sources

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