Ribosomal

Orlando Regional Medical Center (ORMC) Implements PNA FISH(R) Tests to Help Provide Better Care for Patients with Bloodstream Infections

...d highly sensitive and specific fluorescence in situ hybridization (FISH) assay that uses PNA (peptide nucleic acid) probes to target species specific ribosomal RNA (rRNA) in live bacteria and yeast. PNA FISH tests enable microbiology labs to provide rapid and accurate identification of bloodstream pathogens, ...

Memorial University Medical Center (MUMC) Implements PNA FISH(R) Tests to Help Provide Best Care for Patients with Bloodstream Infections

...d highly sensitive and specific fluorescence in situ hybridization (FISH) assay that uses PNA (peptide nucleic acid) probes to target species specific ribosomal RNA (rRNA) in live bacteria and yeast. PNA FISH tests enable microbiology labs to provide rapid and accurate identification of bloodstream pathogens ...

ChemGenex's omacetaxine may provide first viable treatment option for highly resistant form of CML

...clinical activity as a single agent in a range of hematological malignancies. Omacetaxine has a novel mechanism of action, specifically binding to the ribosomal A-site cleft and inhibiting protein translation of short-lived oncoproteins that are upregulated in leukemic cells (particularly Cyclin-D1, Mcl-1 and ...

AdvanDx Receives FDA 510(k) Clearance for GBS PNA FISH(R) for Rapid Detection of Group B Strep from Lim Broths

...d highly sensitive and specific fluorescence in situ hybridization (FISH) assay that uses PNA (peptide nucleic acid) probes to target species specific ribosomal RNA (rRNA) in live bacteria and yeast. The unique properties of the non-charged, peptide backbone of PNA probes enable the use of FISH assays in exce...

AdvanDx Receives FDA 510(k) Clearance for EK/P. aeruginosa PNA FISH(R)

...d highly sensitive and specific fluorescence in situ hybridization (FISH) assay that uses PNA (peptide nucleic acid) probes to target species specific ribosomal RNA (rRNA) in live bacteria and yeast. The unique properties of the non-charged, peptide backbone of PNA probes enable the use of FISH assays in exce...

Mercy Integrated Labs Implements PNA FISH(R) Tests to Help Clinicians Provide Best Care for Patients With Bloodstream Infections

...d highly sensitive and specific fluorescence in situ hybridization (FISH) assay that uses PNA (peptide nucleic acid) probes to target species specific ribosomal RNA (rRNA) in live bacteria and yeast. PNA FISH tests enable microbiology labs to provide rapid and accurate identification of bloodstream pathogens ...

Ribosomal in Medical Technology

PTC Therapeutics Completes Enrollment of Pivotal Trial in Muscular Dystrophy

...e deemed ataluren's mechanism of action to be significantly novel, warranting creation of a new stem, -luren, for pharmaceuticals that are inducers of ribosomal readthrough of nonsense mutation mRNA stop codons. "We are pleased to have completed enrollment of our first pivotal study of ataluren in boys an...

Rib-X Pharmaceuticals, Inc. Announces Recent and Upcoming Presentations at Scientific Conferences

...allographic studies of known and new antibiotics bound to the bacterial 50S ribosomal subunit with data-driven computational chemistry tools allows for a fresh l...ing Structure-Based Discovery to Define Novel Antibiotics Targeting the 50S ribosomal Subunit." RX-04 is Rib-X's de novo design of three completely new series of...

Study Shows Use of AdvanDx's PNA FISH(TM) Test was Associated with an 82% Reduction in Intensive Care Unit Mortality Rates from Staphylococcus aureus Bloodstream Infections

...d highly sensitive and specific fluorescence in situ hybridization (FISH) assay that uses PNA (peptide nucleic acid) probes to target species specific ribosomal RNA (rRNA) in live bacteria and yeast. The unique properties of the non-charged, peptide backbone of PNA probes enable the use of FISH assays in excee...

AdvanDx Submits Yeast Traffic Light PNA FISH(TM) for FDA 510(k) Clearance for Detection of Candida species in Positive Blood Cultures

...d highly sensitive and specific fluorescence in situ hybridization (FISH) assay that uses PNA (peptide nucleic acid) probes to target species specific ribosomal RNA (rRNA) in bacteria and yeast. PNA FISH tests enable microbiology labs to provide rapid and accurate identification of bloodstream pathogens direct...

PTC Therapeutics Announces Data Supporting Cough Frequency as a New Outcome Measure in Evaluating Treatments for Cystic Fibrosis

...4 was generally well tolerated, achieved target plasma concentrations that have been associated with activity in preclinical models and did not induce ribosomal read through of normal stop codons. PTC124 has demonstrated pharmacodynamic proof of concept in Phase 2a clinical trials in nonsense-mutation-mediated...

PTC Therapeutics Announces Initiation of Phase 2b Registration-Directed Clinical Trial of PTC124 in Duchenne/Becker Muscular Dystrophy

...4 was generally well tolerated, achieved target plasma concentrations that have been associated with activity in preclinical models and did not induce ribosomal read through of normal stop codons. PTC124 has demonstrated pharmacodynamic proof of concept in Phase 2a clinical trials in nonsense-mutation-mediated...

Ribosomal in Medical Products

GC OIA

Description:...say for the diagnosis of gonorrhea. Thermo solved the challenge of developing a specific rapid assay for Neisseria gonorrhea by using the proprietary ribosomal protein, L7/L12, to bring about a first in GC diagnostics....
Company:Biostar

MESACUP ANA Test Kit

Features:... Detects autoantibodies to specific nuclear antigens, including RNP, Sm, SSA, SSB, Scl-70, Jo-1, CENP-B, ribosomal P, DNA and Histones Excellent correlation with specific autoantibody ELISA test kits Improved specificity compared immunofluorescent assays (IFA) R...
Company:Corgenix, Inc.

Ribosomal in Biological News

Study finds DNA barcoding requires caution without closer examination

...n proposed for plants, none of them serves as a universal barcode marker. Regions that have been proposed for plants include a section of the nuclear ribosomal DNA: the internal non-transcribed spacer region (ITS); and various plastid regions to include the trnH-psbA intergenic spacer and the plastid genes rp...

American Chemical Society Weekly PressPac -- April 8, 2009

...ve to date for detecting ricin appear in ACS' Analytical Chemistry , a semi-monthly journal. The scientists note in the new studies that ricin, a ribosomal inactivating protein found in castor beans, is one of the agents most likely to be used in acts of aerosol or food-related bioterrorism. Ricin can be...

Penn biologists discover how 'silent' mutations influence protein production

...ein levels? Eventually, we looked at mRNA structure and discovered that this was the underlying mechanism." The stability of mRNA folding near the ribosomal binding site explained more than half the variation in protein levels. To understand this observation, the researchers simulated the spatial arrangem...

Einstein researchers devise a fast and sensitive way to detect ricin

...ake proteins─a basic cellular function. Ricin does this by disrupting ribosomal RNA (the key component of ribosomes, the cell's protein manufacturing "machines"). The ricin attack causes ribosomal RNA to release a molecule of adenine. Dr. Schramm's assay detects and quant...

Rhythmic genomics -- the yeast metronome and the walk of life

...oldest clock. In a paper published in Genome Research scientists show how ribosomal RNA genes that are essential to all Earth's organisms provide insight into how genomes maintain their integrity on their evolutionary journey. ribosomal RNA sequence changes have been ticking away like clockwork for over 3 billi...

Cellular discovery may lead to targeted treatment for rare form of anemia

...wor even stopred blood cell death. DBA has recently been attributed to a ribosomal protein defect that the UC team hypothesizes leads to abnormal activation o...Previous research has attributed p53 activation to the passive diffusion of ribosomal protein L11 from the nucleolus, the part of the nucleus where ribosomes are...

Ribosomal in Biological Technology

Celsis Introduces ReACT(TM) RNA-Based Microbial Detection Assays

...ed assay to obtain a fast, 2-hour result on samples that test positive for microbial contamination. Celsis ReACT assays use proprietary selections of ribosomal RNA sequences to confirm or to rule out the presence of Gram-negative organisms, Staph. aureus, yeast and mold, and can be customized for facility-spe...

Cylene Pharmaceuticals Initiates Phase II Clinical Trial of Quarfloxin (CX-3543) in Patients With Carcinoid/Neuroendocrine Tumors

... fluoroquinolone class of drugs. Rationally designed to selectively inhibit ribosomal RNA (rRNA) biogenesis in cancer cells, quarfloxin disrupts the interaction between the Nucleolin protein and a G-quadruplex DNA structure in the ribosomal DNA (rDNA) template, a critical interaction for rRNA biogenesis and one tha...

AdvanDx's PNA FISH(TM) Test Shown to Reduce Mortality by 42% for Patients With Hospital-Acquired Enterococcus faecium Bloodstream Infections

...d highly sensitive and specific fluorescence in situ hybridization (FISH) assay that uses PNA (peptide nucleic acid) probes to target species specific ribosomal RNA (rRNA) in live bacteria and yeast. The unique properties of the non-charged, peptide backbone of PNA probes enable the use of FISH assays in excee...

Molecular sleuths track evolution through the ribosome

...nary tree of life and suggests that differences in ribosomal structure between the three main branches of that ... looked at the three-dimensional structures of the ribosomal RNA and proteins and their proximity to each other... study, developed computer programs to analyze the ribosomal sequences of different organisms. Whenever he foun...

Norgen Biotek Corp. Launches Four New Kits for the Purification of RNA and DNA from Plants and Fungi

...ctively from a wide range of plant and filamentous fungal species. The Plant/Fungi RNA Purification Kit isolates all sizes of RNA, from large mRNA and ribosomal RNA down to microRNA. The purified RNA is of the highest integrity, and can be used in a number of downstream applications including Real-Time PCR, re...

Rib-X Pharmaceuticals to Present at Cambridge Healthtech Institute's 2nd Annual Challenge of Antibacterial Development Conference

...2008 in San Diego, CA. Dr. Johnson's presentation, entitled "Using Structure-Based Discovery to Define Novel Macrolide Antibiotics Targeting the 50S ribosomal Subunit," will focus on Rib-X's ability to develop new antibiotic compounds using a drug discovery engine that combines a sophisticated, structure-bas...

Ribosomal in Biological Products

GIBCO Streptomycin Sulfate from Invitrogen

Description:... Streptomycin sulfate an aminoglycoside used for bacterial selection binds to the small ribosomal subunit and interferes with protein biosynthesis.21H39N7O12)2x3H2SO4Formula weight:...
Company:Invitrogen

Anisomycin from Sigma-Aldrich

Description:...inase (JNK) agonist. Activates mitogen-activated protein (MAP) kinases (JNK/SAPK and p38/RK). Antiprotozoal agent.• Inhibits formation of the 80S ribosomal complex from 60S subunits• From Streptomyces griseolus Assay: ≥ 96.0 % (TLC)• Synonyms 2-[(4-Methoxyphenyl)methyl]-3,4-pyrrolidined...
Company:Sigma-Aldrich

AmpliTaq DNA Polymerase, LD with Buffer I from Applied Biosystems

Description:...e effecitvely minimized when amplifying bacterial sequences. The enzyme is quality control tested to verify that less than 10 copies of bactieral 16S ribosomal RNA gene sequences are present in a standard 2.5 Unit aliquot....
Company:Applied Biosystems

Ribosomal in Biological Definition

Antibiotic

...re with bacterial protein synthesis Antibiotics which bind to the 50S ribosomal unit Lincosamides/lincosides including clindamycin and lincomycin; chloramphenicol, macrolides Antibiotics which interfere the 30S ribosomal unit Tetracyclines; aminoglycosides including gentamicin Dr...

Biodiversity

...s from Sean Nee "the contribution of visible life to biodiversity is very small indeed". "On the tree of life, based on analyses of small-subunit ribosomal RNA , visible life consists of barely noticeable twigs. This should not be surprising — invisible life had at least three billion years to dive...

Chromosome

...cleus, even if they are far apart on the chromosome. The short arm of a chromosome can be extended by a satellite chromosome that contains codes for ribosomal RNA . Chromosomes in different species Table 1: Examples of chromosome numbers (diploid). Species # of chromosomes ...

Fungus

...fungal taxa has undergone substantial changes in the last several decades, especially as techniques for comparing biochemical characteristics (such as ribosomal RNA and DNA) have become increasingly more sophisticated. The phylogeny presented here is after Bruns et al. (1991, 1993) for the Eumycota (true fun...

Nucleolus

...le" of the cell nucleus , which is an organelle . It is a consequence of ribosomal RNA ( rRNA ) synthesis: nucleolar organizers , special regions on some ...ns). Following synthesis, rRNA molecules are attached to proteins, forming ribosomal subunits, which leave for the cytosol through nuclear pores . Functio...

Promoter

...e promoter Transcription Start Site (TSS) Approximately -35 A binding site for RNA polymerase RNA-polymerase I: transcribes genes encoding ribosomal RNA RNA-polymerase II: transcribes genes encoding mRNA and certain small nuclear RNAs RNA-polymerase III: transcribes genes encoding tRNAs and o...

Ribosomal in Biological Dictionary

Wobble base pair

...... It has comparable thermodynamic stability of the Watson-Crick base pair . ... The A2453-C2499 wobble base pair in Escherichia coli 23S ribosomal RNA is ... wobble base pairs by introducing both single and double mutations at each pair . ... ... for you below, a wobble interaction is t...

Transfer RNA

... Transfer RNA is a small RNA molecule that transfers a specific active amino acid to a growing polypeptide chain at the ribosomal site of protein synthesis during translation. It has a 3' terminal site for amino acid... transfer RNA n. ( Abbr. tRNA ) One of a cl...

Tet resistance

...tance ) ... Resistance to tetracyclines can arise through drug efflux, ribosomal protection ... ... moderate resistance to macrolides (10), and tet genes coding for ribosomal ... resistance genes have been found in anaerobes (3, 18), only the tet ...

Stop codon

... of the ribosome is ... Class 1 RFs recognize stop codons within the ribosomal A site and trigger the ... Stop codons : the Good, the Bad, and the...on the sequence surrounding ... In response to a stop codon in the ribosomal A-site, ... This may result from an altered stop codon recognition abil...

Start codon

...rts translating with the start of the first codon at base 0, base 1, or ... There is often more than one AUG codon in an mRNA, and the small ribosomal ... start codon prediction is the most difficult remaining part of prokaryotic ... Among the possible start codon candidates, what extra evi...

Small nuclear RNA

...A ... focuses on transport of messenger RNA , small nuclear RNA , ribosomal RNA , ... senger RNA (mRNA), small nuclear RNA (snRNA), ribosomal RNA (rRNA) ... ... a new world of RNAs that subvert this formula, in w...