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Lesley A Pearce et al.
Protein expression and purification, 116, 19-29 (2015-07-22)
Hendra virus (family Paramyxoviridae) is a negative sense single-stranded RNA virus (NSRV) which has been found to cause disease in humans, horses, and experimentally in other animals, e.g. pigs and cats. Pteropid bats commonly known as flying foxes have been
James E Thornton et al.
Nucleic acids research, 42(18), 11777-11791 (2014-09-17)
Recent small RNA sequencing data has uncovered 3' end modification of mature microRNAs (miRNAs). This non-templated nucleotide addition can impact miRNA gene regulatory networks through the control of miRNA stability or by interfering with the repression of target mRNAs. The
Constantine Chrysostomou et al.
ACS chemical biology, 10(3), 875-882 (2014-12-18)
Microbial arsenate resistance is known to be conferred by specialized oxidoreductase enzymes termed arsenate reductases. We carried out a genetic selection on media supplemented with sodium arsenate for multicopy genes that can confer growth to E. coli mutant cells lacking
Joel E Schmidt et al.
Angewandte Chemie (International ed. in English), 53(32), 8372-8374 (2014-06-26)
Crystalline molecular sieves are used in numerous applications, where the properties exploited for each technology are the direct consequence of structural features. New materials are typically discovered by trial and error, and in many cases, organic structure-directing agents (OSDAs) are
Yen-Hua Huang et al.
Protein and peptide letters, 22(12), 1117-1122 (2015-10-09)
Dihydroorotase (DHOase) is the third enzyme in the de novo biosynthesis pathway of pyrimidine nucleotides. DHOase is divided into two types (I and II). Type II DHOase generally contains a binuclear metal center in its active site. Recently, the crystal
Li-Hong Chen et al.
PLoS pathogens, 10(8), e1004301-e1004301 (2014-08-08)
We characterized key components and major targets of the c-di-GMP signaling pathways in the foodborne pathogen Listeria monocytogenes, identified a new c-di-GMP-inducible exopolysaccharide responsible for motility inhibition, cell aggregation, and enhanced tolerance to disinfectants and desiccation, and provided first insights
Bastian Daniel et al.
The Journal of biological chemistry, 290(30), 18770-18781 (2015-06-04)
Plant genomes contain a large number of genes encoding for berberine bridge enzyme (BBE)-like enzymes. Despite the widespread occurrence and abundance of this protein family in the plant kingdom, the biochemical function remains largely unexplored. In this study, we have
Aiko Ito et al.
Ophthalmic research, 53(2), 65-73 (2015-01-13)
The purpose of this study was to evaluate the effect of pulse duration on the expression of inflammatory cytokines in the murine retina after laser photocoagulation treatment with a PASCAL(®) pattern scan laser photocoagulator and conventional laser treatment. Retinal scatter
Hayato Nishida et al.
Regulatory toxicology and pharmacology : RTP, 72(3), 578-585 (2015-06-07)
Previously, a non-animal screening approach was proposed for evaluating photosafety of cosmetic ingredients by means of in vitro photochemical and photobiochemical assays; however, complex cosmetic ingredients, such as plant extracts and polymers, could not be evaluated because their molecular weight
Guolin Ma et al.
Nature communications, 6, 7826-7826 (2015-07-18)
Store-operated Ca(2+) entry mediated by STIM1 and ORAI1 constitutes one of the major Ca(2+) entry routes in mammalian cells. The molecular choreography of STIM1-ORAI1 coupling is initiated by endoplasmic reticulum (ER) Ca(2+) store depletion with subsequent oligomerization of the STIM1
Sara Haag et al.
RNA (New York, N.Y.), 21(9), 1532-1543 (2015-07-15)
Many cellular RNAs require modification of specific residues for their biogenesis, structure, and function. 5-methylcytosine (m(5)C) is a common chemical modification in DNA and RNA but in contrast to the DNA modifying enzymes, only little is known about the methyltransferases
Nicholas R Brown et al.
Nature communications, 6, 6769-6769 (2015-04-14)
CDK1 is the only essential cell cycle CDK in human cells and is required for successful completion of M-phase. It is the founding member of the CDK family and is conserved across all eukaryotes. Here we report the crystal structures
Glenna Wink Foight et al.
Journal of molecular biology, 427(15), 2468-2490 (2015-05-27)
Viral homologs of the anti-apoptotic Bcl-2 proteins are highly diverged from their mammalian counterparts, yet they perform overlapping functions by binding and inhibiting BH3 (Bcl-2 homology 3)-motif-containing proteins. We investigated the BH3 binding properties of the herpesvirus Bcl-2 homologs KSBcl-2
Hong-Bo Wang et al.
Nature communications, 6, 6240-6240 (2015-02-12)
Epstein-Barr virus (EBV) is implicated as an aetiological factor in B lymphomas and nasopharyngeal carcinoma. The mechanisms of cell-free EBV infection of nasopharyngeal epithelial cells remain elusive. EBV glycoprotein B (gB) is the critical fusion protein for infection of both
Paul D R Dyer et al.
Journal of controlled release : official journal of the Controlled Release Society, 220(Pt A), 316-328 (2015-11-08)
Inefficient cytosolic delivery and vector toxicity contribute to the limited use of antisense oligonucleotides (ASOs) and siRNA as therapeutics. As anthrax toxin (Atx) accesses the cytosol, the purpose of this study was to evaluate the potential of disarmed Atx to
Veronica R Moorman et al.
Journal of molecular biology, 426(21), 3520-3538 (2014-08-12)
Human cell division cycle protein 42 (Cdc42Hs) is a small, Rho-type guanosine triphosphatase involved in multiple cellular processes through its interactions with downstream effectors. The binding domain of one such effector, the actin cytoskeleton-regulating p21-activated kinase 3, is known as
Justyna A Wojdyla et al.
The Journal of biological chemistry, 290(44), 26675-26687 (2015-09-12)
TolR is a 15-kDa inner membrane protein subunit of the Tol-Pal complex in Gram-negative bacteria, and its function is poorly understood. Tol-Pal is recruited to cell division sites where it is involved in maintaining the integrity of the outer membrane.
Kyung H Choi et al.
Biochimie, 115, 17-27 (2015-05-03)
The POT1 protein plays a critical role in telomere protection and telomerase regulation. POT1 binds single-stranded 5'-TTAGGGTTAG-3' and forms a dimer with the TPP1 protein. The dimer is recruited to telomeres, either directly or as part of the Shelterin complex.
María Cordero-Vaca et al.
Analytical and bioanalytical chemistry, 407(16), 4615-4627 (2015-05-01)
Four different crosslinked polymeric ionic liquid (PIL)-based sorbent coatings were evaluated in an automated direct-immersion solid-phase microextraction method (automated DI-SPME) in combination with gas chromatography (GC). The crosslinked PIL coatings were based on vinyl-alkylimidazolium- (ViCnIm-) or vinylbenzyl-alkylimidazolium- (ViBzCnIm-) IL monomers
Dan Niculescu-Duvaz et al.
Bioorganic & medicinal chemistry, 21(5), 1284-1304 (2013-02-05)
The RAS-RAF-MEK-ERK pathway is hyperactivated in 30% of human cancers. BRAF is a serine-threonine kinase, belonging to this pathway that is mutated with high frequency in human melanoma and other cancers thus BRAF is an important therapeutic target in melanoma.
Cheng Zhou et al.
Applied and environmental microbiology, 81(17), 5714-5723 (2015-06-14)
Thermostable alkaline pectate lyases have potential applications in the textile industry as an alternative to chemical-based ramie degumming processes. In particular, the alkaline pectate lyase from Bacillus sp. strain N16-5 (BspPelA) has potential for enzymatic ramie degumming because of its
Sailau Abeldenov et al.
DNA repair, 33, 1-16 (2015-06-05)
Apurinic/apyrimidinic (AP) endonucleases are key enzymes involved in the repair of abasic sites and DNA strand breaks. Pathogenic bacteria Mycobacterium tuberculosis contains two AP endonucleases: MtbXthA and MtbNfo members of the exonuclease III and endonuclease IV families, which are exemplified
Pablo Fernández-Millán et al.
Nucleic acids research, 43(8), 4284-4295 (2015-04-01)
The mitochondrial replicative helicase Twinkle is involved in strand separation at the replication fork of mitochondrial DNA (mtDNA). Twinkle malfunction is associated with rare diseases that include late onset mitochondrial myopathies, neuromuscular disorders and fatal infantile mtDNA depletion syndrome. We
Michael D Clark et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(28), E3669-E3678 (2015-07-01)
Acetylation is correlated with chromatin decondensation and transcriptional activation, but its regulation by histone deacetylase (HDAC)-bearing corepressor complexes is poorly understood. Here, we describe the mechanism of assembly of the mammalian Sin3L/Rpd3L complex facilitated by Sds3, a conserved subunit deemed
Nicholas P Greene et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(23), E3058-E3066 (2015-05-29)
Secreted pore-forming toxins of pathogenic Gram-negative bacteria such as Escherichia coli hemolysin (HlyA) insert into host-cell membranes to subvert signal transduction and induce apoptosis and cell lysis. Unusually, these toxins are synthesized in an inactive form that requires posttranslational activation
Shlomo Brill et al.
Journal of molecular biology, 427(2), 468-477 (2014-12-06)
Multiple-antibiotic resistance has become a major global public health concern, and to overcome this problem, it is necessary to understand the resistance mechanisms that allow survival of the microorganisms at the molecular level. One mechanism responsible for such resistance involves
Gary Male et al.
Nature communications, 6, 7387-7387 (2015-06-11)
In eukaryotes, RNA Polymerase III (Pol III) is specifically responsible for transcribing genes encoding tRNAs and other short non-coding RNAs. The recruitment of Pol III to tRNA-encoding genes requires the transcription factors (TF) IIIB and IIIC. TFIIIC has been described
Ning-Kui Niu et al.
Drug design, development and therapy, 9, 1555-1584 (2015-03-21)
Osteosarcoma (OS) is the most common malignant bone tumor occurring mostly in children and adolescents between 10 and 20 years of age with poor response to current therapeutics. Alisertib (ALS, MLN8237) is a selective Aurora kinase A inhibitor that displays
Juliana Fattori et al.
Molecular endocrinology (Baltimore, Md.), 29(2), 258-273 (2014-12-30)
Transcriptional regulation controlled by thyroid hormone receptor (TR) drives events such as development, differentiation, and metabolism. TRs may act either as homodimers or as heterodimers with retinoid X receptor (RXR). Thyroid hormone T3 preferentially binds TR-RXR heterodimers, which activate transcription
Andreas Bracher et al.
PloS one, 10(8), e0135448-e0135448 (2015-08-26)
The most prevalent form of the Rubisco enzyme is a complex of eight catalytic large subunits (RbcL) and eight regulatory small subunits (RbcS). Rubisco biogenesis depends on the assistance by specific molecular chaperones. The assembly chaperone RbcX stabilizes the RbcL
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