Navigation Links
rRNA in Medical News

Researchers identify new leprosy bacterium

...s a group of bacteria called mycobacteria, the 16S rrna gene is 93 to 100 percent identical. There are 110...sis and leprosy the best known. Sequencing the 16S rrna gene is a fast and accurate way to identify mycoba...and colleagues compared the lethal bacterium's 16S rrna gene and five other genes to other mycobacteria. T...

Antibiotics can cause pervasive, persistant changes to microbiota in human gut

...ich was used in this study, characterizes microbial populations by sequencing short, hypervariable regions of one gene common to all microbes, the 16S rrna gene. This pyrosequencing technique reveals greater taxonomic richness in microbial samples at a fraction of the cost of traditional sequencing techno...

Forsyth launches 1-of-a-kind core service to enable rapid identification of bacterial samples

...form microbial perturbation studies. The Forsyth research team led by Drs. Bruce Paster and Floyd Dewhirst has used molecular analyses based on 16S rrna sequencing to identify 550 oral bacterial species. Using this information, they have developed HOMIM, which allows the simultaneous detection of abou...
rRNA in Medical Technology

Avalon Pharmaceuticals to Present at the American Association for Cancer Research 2007 Annual Meeting

...IA and PAF53, inhibition of pre-rRNA synthesis and dislocation of nucleolar proteins." The presentation cites AVN944 as a compound that has effects on rrna inhibition and nucleolar protein translocation. The poster presentation will be Tuesday, April 17, 2007 from 1 p.m. until 5 p.m. Pacific Time. All t...
rRNA in Medical Products

Aptima Combo 2® Assay

Description:...OMBO 2 Assay is a second generation nucleic acid amplification test that uses target capture for in vitro qualitative detection and differentiation of rrna from CT and GC. The assay uses a family of Gen-Probe's proven technologies including target capture (TC), Transcription-Mediated Amplification (TMA) a...
Company:Gen-Probe
rRNA in Medical Dictionary

Pneumocystis Carinii

...n affect infants who have AIDS, cancer, or other conditions ... Fungal Infections (Ringworm, Yeast, etc.)> Pneumocystis Pneumonia ... of the rrna operon among isolates of Pneumocystis carinii ... colonisation with Pneumocystis carinii in an immunosup ... pulmonary Pneumocystis carin...
rRNA in Biological News

Our microbes, ourselves

... findings represent the first investigation of gut microbiota from post-gastric-bypass patients to date. By examining a specific region of the 16S rrna gene known as V6PCR amplified from the stool samples of the 9 test subjectsthe researchers were able to classify a zoo of microorganisms, which fell i...

Uncultured bacteria found in amniotic fluids of women who experience preterm births

...identify a number of harmful bacteria not detected by cultures of which some have not been previously linked with preterm birth. "By employing 16s rrna gene-based polymerase chain reactions (PCR) followed by the clone analysis, we stand to determine the identity and true relationship between intra-amn...

Researchers solve piece of large-scale gene silencing mystery

...s, the protein manufacturers of the cell. Because rrna genes are highly redundant, cells use nucleolar do... in nucleolar dominance to limit the expression of rrna genes, they could potentially slow the growth rate...the large-scale silencing of hundreds of clustered rrna genes that span millions of basepairs of DNA. N...

Scientists launch first comprehensive database of human oral microbiome

... database designations that have frustrated scientists and sometimes hindered their research. The database also categorizes each microbe by its 16S rrna sequence, a distinctive fingerprint of genetic information that scientists have used for the past two decades to identify microorganisms. This sequen...

Developing kryptonite for Superbug

... staph within three hours, with an equally astounding increase in accuracy. The device already has successfully detected the staphylococcus aureus 16S rrna gene, 16S rRNA, and enterotoxin B, as well as a biomark for lung cancer. Our electronic detection capability is approximately 1,000 times more sen...

Symposium marks 30th anniversary of discovery of third domain of life

...sufficient quantities for study. Woese had already found a collection of rrna sequences that were specific to bacteria, and another set of sequences uniq... turned their attention to other methanogens. The genetic pattern held: The rrna signatures of the methanogens were distinct from those of eukaryotes and ba...

Hydrothermal vents: Hot spots of microbial diversity

...as a bucket of seawater or scoop of sediment, 454 tag sequencing examines one tiny, highly variable region of one gene that all microbes have (the 16s rrna gene). It is much more efficient and cost effective than other environmental microbial survey tools. The tremendous diversity we found using 454 ta...

New technique rapidly detects illness-causing bacteria

...er software that allows researchers to enter in an rrna sequence, called a target sequence, that is unique...probes -- that are exactly matched to stick to the rrna target sites. These sequences are then reproduced ...nce of scarlet fever-causing bacteria, a sample of rrna is placed in a test tube with two of the manufactu...

Stanford gut check shows diversity of intestinal ecosystem

...he molecule, 16S rRNA, plays a role in the translation of the genetic code and thus is critical to the organisms. However, small variations in the 16S rrna gene sequences allow scientists to detect distinct bacteria. For each of the three research subjects, the researchers analyzed samples from six dif...

New RNA polymerase discovered in plants

...units are knocked out, the most tightly packed DNA in the nucleus becomes less condensed, small RNAs called siRNAs corresponding to highly repeated 5S rrna genes and retrotransposons (jumping genes) are completely eliminated and DNA methylation at 5S genes and retrotransposons is lost. Methylation is a...
rRNA in Biological Technology

Separation of 16S rRNA PCR Products From a Model Community Using Temporal Temperature Gradient Gel Electrophoresis, Rev A

Menu B. Leddy, Biotechnology Research Department, Orange County Water District, 10500 Ellis Ave., Fountain Valley, CA 92708 Introduction Identification and characterization of bacterial species from membrane biofilms has been a microbio...

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

... structure in the ribosomal DNA (rDNA) template, a critical interaction for rrna biogenesis and one that is amplified in cancer cells. As a result, quarflox...death in cancers. Many commercialized cancer therapeutics act indirectly on rrna Biogenesis through upstream modulators, but quarfloxin is the first agent t...

Glossary for The BioPharm Guide to Fermentation and Cell Culture

... base uracil (U) in place of thymine (T). Various forms of RNA are found: mRNA (messenger RNA); tRNA (transfer RNA); and rrna (ribosomal RNA). Most RNA molecules are single-stranded, although they can form double-stranded units. ...

Use of the DCode System to Detect the Food-Borne Bacterial Pathogen Listeria monocytogenes

... Amplification of a region of the 16S rrna gene of L. monocytogenes, Listeria inno... primers yielded fragments from the 16S rrna gene(s) of L. monocytogenes that gave rise to two ...typically target a hypervariable region of the 16S rrna gene (16S rDNA), or a sequence of a gen...

Monitoring Bacterial Genetic Diversity in a Freshwater Lake Using TTGE and DNA Sequence Analysis

...cts according to sequence variation typical of 16S rrna genes. PCR products separated by TTGE i... 240 bp GC-clamped fragments of the 16S rrna gene spanning the variable V3 region from ammonia-...bled the separation of Nitrosospira 16S rrna genes differing by as little as one base pair acro...

DNA/RNA Blotting With the Trans-Blot SD Semi-Dry Electrophoretic Transfer Cell

... Minutes The agarose gel support frame can also be used to transfer RNA up to 3.5 kb in 3035 minutes, although transfer of 28s rrna is equally efficient as determined by EtBr staining. 1 Northern and Southern Blotting The agarose gel support fram...

Microbial Diversity in Ground and Surface Water Analyzed by Denaturing Gradient Gel Electrophoresis Using the DCode System

...in ecosystems such as ground and surface water environments. After isolation of total bacterial DNA, variable regions of the 16S rrna gene are amplified by PCR*. The similar sized PCR-products are separated by subsequent DGGE, and the resulting diversity pattern...

Nuclease Protection Assays: The Basics

...made while simultaneously reducing the specific activity of the probe. For very abundant messages (e.g., 18S rrna or 28S rRNA), a 1:10,000 dilution with "cold" NTP should be used. NPA Analysis Ambion's NPA kits provide many advantages...

Your Data: RNAlater Stories

... gel-like pictures of the resulting RNA. The band between 28S and 18S rrna most likely represents contaminating DNA. (Courtesy of Dr. R Jag...rd. The presence of equimolar amounts of cytoplasmic and plastid rrna indicate that there was no degradation of the RNA sample. ...

Visualizing siRNA in Mammalian Cells: Fluorescence Analysis of the RNAi Effect

... and 12 days following transfection, the cells were harvested and analyzed by Northern blot analysis for both GAPDH mRNA and 28S rrna levels. B. A graph of Northern data in Panel A showing relative GAPDH mRNA levels. C. HeLa S3 cells grown on cover slips in a 24-well ...
rRNA in Biological Definition

Archaea

...on their separation from other prokaryotes on 16S rrna phylogenetic trees . These two groups were orig...cteria. A phylogenetic tree based on rrna data, showing the separation of bacteria, archaea... Archaea are divided into two main groups based on rrna trees, the Euryarchaeota and Crenarchaeota . T...

Biology

...anisms A phylogenetic tree of all living things , based on rrna gene data, showing the separation of the three domains bacteria , arch...ace some early-branching groups very differently, presumably owing to rapid rrna evolution. The exact relationships of the three domains are still being de...

Bacterium

...ies of bacteria. The advent of molecular systematics challenged this view. In 1977, Woese divided the prokaryotes into two groups based on 16S rrna sequences, called the kingdoms Eubacteria and Archaebacteria . He argued that each of these and the eukaryotes all evolved separately and in 1990 e...

Bacterium

...ies of bacteria. The advent of molecular systematics challenged this view. In 1977, Woese divided the prokaryotes into two groups based on 16S rrna sequences, called the kingdoms Eubacteria and Archaebacteria . He argued that each of these and the eukaryotes all evolved separately and in 1990 e...

Evolution

... A phylogenetic tree of all living things , based on rrna gene data, showing the separation of the three domains bacteria , arch...ace some early-branching groups very differently, presumably owing to rapid rrna evolution. The exact relationships of the three domains are still being deb...

Fungus

... Simon, S. Stickel, T. M. Szaro, W. G. Weisburg, and M. L. Sogin. 1993. Evolutionary relationships within the fungi: analysis of nuclear small subunit rrna sequences. Molecular Phylogenetics and Evolution 1:231 241. Hawksworth, D. L. 1991. The fungal dimension of biodiversity: magnitude, significance, ...

Nucleolus

...anelle . It is a consequence of ribosomal RNA ( rrna ) synthesis: nucleolar organizers , special regi... contain multiple copies of the genes encoding for rrna (which is involved in protein biosynthesis ), gat...elves in the same region where they transcribe the rrna genes. Thus it can be said the nucleolus consists ...

Phylogenetic tree

... Fig. 1: A rooted tree for rrna genes Fig. 2: Unrooted tree for myosin gene A phylogenetic tree is a tree showing the evolutionary interrelationship...

Plant

... External links Tree of Life Chaw, S.-M. et al. Molecular Phylogeny of Extant Gymnosperms and Seed Plant Evolution: Analysis of Nuclear 18s rrna Sequences (pdf file) Molec. Biol. Evol . 14 (1): 56-68. 1997. Botanical and vegetation databases e-Floras (Flora of China, Flora of North...

Plant

... External links Tree of Life Chaw, S.-M. et al. Molecular Phylogeny of Extant Gymnosperms and Seed Plant Evolution: Analysis of Nuclear 18s rrna Sequences (pdf file) Molec. Biol. Evol . 14 (1): 56-68. 1997. Botanical and vegetation databases e-Floras (Flora of China, Flora of North...
rRNA in Biological Dictionary

Transcription

...xt ... Resource for transcription events during gene formation including ... Transcription : ... Link to a view showing transcription in the rrna gene cluster. ... Products for medical transcription and word processing. How to transcribe qualitative research data using voice recognit...

Self-splicing

... Tom Cech (right) discovered self - splicing in rrna in 1981/82. The discovery was ... Self - splicing...f self - splicing of the Tetrahymena thermophila rrna intron ... We report the occurrence of self ... A self - splicing intron in the small subunit rrna gene of Pneumocystis carinii. ... The Tetrahy...

Ribosome

...icles Quickly. ... Figure 1: Ribosome structure indicating small subunit (A) and large subunit (B) ... A ribosome is an organelle composed of rrna (synthesized in the nucleolus) and ... Ribosome , cell structure that uses genetic instructions transported in ribonucleic acid RNA to link a ...

Ribosomal RNA

...machinery of all living cells. The function of the rrna is to provide a mechanism for decoding mRNA into amino acids and to interact... The 16S rrna is a part of the ribosomal RNA −-- a 1542 nt lo...codes for ribosomal RNA in a cell is the 16S rrna gene (or rDNA gene) ... So DNA codes for RNA...

Ribosomal DNA genes

...l ... Natural variation in DNA methylation in ribosomal RNA genes of Arabidopsis thaliana. ... The ribosomal genes coding for the 45S rrna precursor of the three largest ... Mitochondrial DNA contains 37 genes , all of which are essential for normal ... gene often make the 12S RNA...

Peptidyl transferase

...l transferase activity rather than by reducing the ability of ... Probing the Peptidyl Transferase Center of Ribosomes Containing Mutant 23S rrna ... ribosome, peptidyl transferase center, photoreactive crosslinking, tRNA, ... ...

Intergenic region

... Intergenic region summary with 2 pages of encyclopedia entries, essays, summaries, ... Analysis of 16S-23S intergenic spacer regions of the rrna operons ... The average length of the intergenic region is 688 nt but ranges widely from 57 ... Sample alignment of one intergenic region o...

Intergenic

...says, summaries, ... Analysis of 16S-23S intergenic spacer regions of the rrna operons ... This suggests that intergenic transcripts are subject to f...pacer varies more significantly in size and ... Heterogeneity among 16S-23S rrna intergenic spacers of species within the ` ... Encyclopedia informat...

Initiator tRNA

... tRNA ( i¦nishē′ādər ¦tē′är′en′ā ) ( cell and molecular biology ) A special type of transfer ribonucleic acid (RNA) that Involvement of 16S rrna Nucleotides G1338 and A1339 in Discrimination of Initiator tRNA ... This enzyme modifies exclusively the initiator tRNA in position 64 using...

HnRNA

... nucleus, especially RNA transcribed from DNA rather than other RNA and the proteins Structurally, hnRNA and mRNA are both single stranded, while rrna and tRNA form ... hnRNA undergoes post–transcriptional processing that involves removal of the ... The hnRNA must be spliced to remove non co...
Other Tags
(Date:12/25/2014)... 2014 Each year trauma accounts for ... hospital admissions across the nation (according to the ... CDC’s National Hospital Ambulatory Medical Care Survey collected ... in 2010. They estimated that there were between 3.5 ... a primary diagnosis of broken bone or fracture. ...
(Date:12/24/2014)... 25, 2014 Epigenetics finds applications in ... including oncology, drug discovery, developmental biology, and research for ... one of the most widely used techniques for the ... the prevalence of cancer is rapidly growing worldwide. In ... million cancer deaths, and 32.6 million people living with ...
(Date:12/24/2014)... New studies reveal that women under the ... depression (March 6, 2014, JAMA Otolaryngology*). And although many people ... 50 percent according to recent polls) facing hearing loss head ... person feels and relates to the world. People who have ... made by way of:, , self-confidence , ...
(Date:12/24/2014)... 25, 2014 Today, Yunx.co.uk, a hot ... dresses and other special occasion outfits, unveils 65 ... are offered at discounted prices, up to 80% off. ... ladies with their fashionable designs, gorgeous looks and delicate ... The business is devoted to designing and offering high-quality ...
(Date:12/24/2014)... Thompson HealthDay Reporter TUESDAY, Dec. ... abstained from sex for one year will be allowed to donate ... would reverse a 31-year ban on donations from men who have ... Tuesday its intention to release a new draft guidance in early ... gay men. The FDA is changing its policy based on ...
Breaking Medicine News(10 mins):Health News:Every Year Four Million Emergency Department Visits Result from Accidents Involving Bone Trauma 2Health News:Every Year Four Million Emergency Department Visits Result from Accidents Involving Bone Trauma 3Health News:Every Year Four Million Emergency Department Visits Result from Accidents Involving Bone Trauma 4Health News:Global Epigenetics Market Was Valued at $413.24 Million in 2014 - New Research Report by MarketsandMarkets 2Health News:Global Epigenetics Market Was Valued at $413.24 Million in 2014 - New Research Report by MarketsandMarkets 3Health News:Recent Studys Underscore the Fact That One of the Best Gifts to Give This Holiday Season is a Hearing Test 2Health News:Recent Studys Underscore the Fact That One of the Best Gifts to Give This Holiday Season is a Hearing Test 3Health News:Recent Studys Underscore the Fact That One of the Best Gifts to Give This Holiday Season is a Hearing Test 4Health News:Recent Studys Underscore the Fact That One of the Best Gifts to Give This Holiday Season is a Hearing Test 5Health News:Recent Studys Underscore the Fact That One of the Best Gifts to Give This Holiday Season is a Hearing Test 6Health News:Yunx.co.uk Unveils 65 New Bridesmaid Dresses for the UK market 2Health News:FDA to Lift Ban on Blood Donations by Gay Men 2Health News:FDA to Lift Ban on Blood Donations by Gay Men 3
(Date:12/19/2014)... 18, 2014 Research and Markets ... the "iPhone 5S Fingerprint Sensor - Apple/AuthenTec ... to their offering. ... AuthenTec in July 2012, Apple introduced the fingerprint ... currently the only device of Apple incorporating such ...
(Date:12/19/2014)... 18, 2014  23andMe, Inc., the leading personal genetics ... pinpoints fine-scale differences in genetic ancestry of individuals from ... Since immigrants first arrived more than four hundred ... has served as a meeting place for peoples from ... the ongoing mixing of peoples with African, European, and ...
(Date:12/17/2014)... DUBLIN , Dec. 15, 2014 Research ... announced the addition of the "Samsung Galaxy ... Analysis" report to their offering. ... on a totally different sensing technology than the ... a fingerprint sensor in its product. ...
Breaking Biology News(10 mins):iPhone 5S Fingerprint Sensor - Apple/AuthenTec TMDR92 & Sapphire - Technology Report 223andMe Study Sketches Genetic Portrait of the United States 223andMe Study Sketches Genetic Portrait of the United States 323andMe Study Sketches Genetic Portrait of the United States 4Samsung Galaxy S5 - Home Button Synaptics Fingerprint Sensor Technology Analysis 2
Other Contents