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Phosphatidylinositol glycan anchor biosynthesis, class P

DSCR5, PIG-P, Dsrc
This gene encodes an enzyme involved in the first step of glycosylphosphatidylinositol (GPI)-anchor biosynthesis. The GPI-anchor is a glycolipid found on many blood cells that serves to anchor proteins to the cell surface. The encoded protein is a component of the GPI-N-acetylglucosaminyltransferase complex that catalyzes the transfer of N-acetylglucosamine (GlcNAc) from UDP-GlcNAc to phosphatidylinositol (PI). This gene is located in the Down Syndrome critical region on chromosome 21 and is a candidate for the pathogenesis of Down syndrome. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jul 2008] (from NCBI)
Top mentioned proteins: V1a, Insulin, ACID, HAD, GPI2
Papers on DSCR5
GPI Anchor Modification Machinery Deficiency is Responsible for the Formation of Pro-PrP in BxPC-3 and Increases Cancer Cell Motility.
Li et al., Taiwan. In J Biol Chem, Jan 2016
We also identified 6 missense mutations in DPM2, PIG-C, PIG-N and PIG-P alongside 8 silent mutations.
Analysis of the expression patterns, subcellular localisations and interaction partners of Drosophila proteins using a pigP protein trap library.
St Johnston et al., Cambridge, United Kingdom. In Development, 2014
Although we now have a wealth of information on the transcription patterns of all the genes in the Drosophila genome, much less is known about the properties of the encoded proteins.
Levetiracetam resistance: Synaptic signatures & corresponding promoter SNPs in epileptic hippocampi.
Becker et al., Bonn, Germany. In Neurobiol Dis, 2013
Subsequent promoter characterization revealed accumulation of the single nucleotide polymorphism (SNP) rs9305614 G-allele in a priori non-responders to correlate to abundant mRNAs of phosphatidylinositol N-acetylglucosaminyltransferase (PIGP), i.e. a key component of the Wnt-signaling pathway.
A Serratia marcescens PigP homolog controls prodigiosin biosynthesis, swarming motility and hemolysis and is regulated by cAMP-CRP and HexS.
Kalivoda et al., Pittsburgh, United States. In Plos One, 2012
Because of this co-regulation, we tested the hypothesis that a homolog of the PigP transcription factor of the atypical Serratia species ATCC 39006, which positively regulates prodigiosin biosynthesis, is also a positive regulator of serratamolide production in S. marcescens.
Transcriptomic analysis reveals atrial KCNE1 down-regulation following lung lobectomy.
Abbott et al., New York City, United States. In J Mol Cell Cardiol, 2012
Of the up-regulated transcripts, while Teneurin-2 was the strongest linked (1.5-fold change, P=0.001), DSCR5 showed the highest induction (2.7-fold, P=0.02); this and other hits will be targeted in future functional studies.
Identification of lipids and lipid-binding proteins in phloem exudates from Arabidopsis thaliana.
Hoffmann-Benning et al., East Lansing, United States. In J Exp Bot, 2012
It was also possible to detect 11 proteins that play a role in lipid/fatty acid metabolism (aspartic protease, putative 3-β-hydroxysteroid dehydrogenase, UDP-sulphoquinovose synthase/SQD1, lipase, PIG-P-like protein: phosphatidylinositol-N-acetylglucosaminyltransferase), storage (glycine-rich protein), binding (annexin, lipid-associated family protein, GRP17/oleosin), and/or signalling (annexin, putative lipase, PIG-P-like protein).
The histone methyltransferase Wbp7 controls macrophage function through GPI glycolipid anchor synthesis.
Natoli et al., Milano, Italy. In Immunity, 2012
By using a genomic approach, we found that in macrophages, MLL4 (also known as Wbp7) was required for the expression of Pigp, an essential component of the GPI-GlcNAc transferase, the enzyme catalyzing the first step of glycosylphosphatidylinositol (GPI) anchor synthesis.
The Candida albicans homologue of PIG-P, CaGpi19p: gene dosage and role in growth and filamentation.
Komath et al., New Delhi, India. In Microbiology, 2010
Glycosylphosphatidyl inositol (GPI)-anchored proteins in Candida albicans are responsible for a vast range of functions, and deletions in certain GPI-anchored proteins severely reduce adhesion and virulence of this organism.
Down syndrome critical region protein 5 regulates membrane localization of Wnt receptors, Dishevelled stability and convergent extension in vertebrate embryos.
Shi et al., Jinan, China. In Development, 2009
Down syndrome critical region protein 5 (Dscr5, also known as Pigp) is a component of the GPI-N-acetylglucosaminyltransferase (GPI-GnT) complex, and is associated with specific features of Down syndrome.
The Aspergillus nidulans pigP gene encodes a subunit of GPI-N-acetylglucosaminyltransferase which influences filamentation and protein secretion.
Paszewski et al., Warsaw, Poland. In Curr Genet, 2009
We have isolated an Aspergillus nidulans homolog of the human PIG-P gene, which encodes a subunit of acetylglucosaminyltransferase (GPI-GnT)-an enzyme involved in the synthesis of GPI anchors. A. nidulans pigP mutants have significantly decreased GPI synthesis.
Dysregulation of growth factor receptor-bound protein 2 and fascin in hippocampus of mice polytransgenic for chromosome 21 structures.
Lubec et al., Vienna, Austria. In Hippocampus, 2006
Nonchimeric polytransgenic 152F7 mice encompassing four human chromosome 21 genes (DSCR3, DSCR5, TTC3, and DYRK1A) within the Down syndrome critical region present with learning and memory impairment.
Duke Surgery Research Central: an open-source Web application for the improvement of compliance with research regulation.
Jacobs et al., Durham, United States. In Bmc Med Inform Decis Mak, 2005
In order to decrease these barriers, we have developed a Web-based application, Duke Surgery Research Central (DSRC), to monitor and streamline the regulatory research process.
Gpi19, the Saccharomyces cerevisiae homologue of mammalian PIG-P, is a subunit of the initial enzyme for glycosylphosphatidylinositol anchor biosynthesis.
Levin et al., Baltimore, United States. In Eukaryot Cell, 2005
The uncharacterized yeast gene YDR437w encodes a protein with some sequence similarity to human PIG-P, a fifth subunit of the GPI-GlcNAc transferase.
Biosynthesis of tripyrrole and beta-lactam secondary metabolites in Serratia: integration of quorum sensing with multiple new regulatory components in the control of prodigiosin and carbapenem antibiotic production.
Salmond et al., Cambridge, United Kingdom. In Mol Microbiol, 2005
Mutations in another gene encoding a novel predicted global regulator, pigP, are highly pleiotropic; PigP has a significant "master" regulatory role in 39006 where it controls the transcription of six other regulators.
Molecular cloning and characterization of a gene expressed in mouse developing tongue, mDscr5 gene, a homolog of human DSCR5 (Down syndrome Critical Region gene 5).
Sakaki et al., Tokyo, Japan. In Mamm Genome, 2001
Results in mouse suggest that this is the only gene from the Down Syndrome Critical Region expressed in the developing tongue and that the encoded protein may be involved in pathophysiology of tongue malformation seen in Down syndrome.
Nucleotide sequences of the Drosophila src and abl homologs: conservation and variability in the src family oncogenes.
Shilo et al., In Cell, 1983
Two cloned Drosophila sequences, Dash and Dsrc, were previously isolated by hybridization to the viral oncogenes v-abl and v-src.
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