Sentences with phrase «ribosomal rna»

Combined large and small subunit ribosomal RNA phylogenies support a basal position of the acoelomorph flatworms.

Small subunit ribosomal RNA sequences link the cause of proliferative gill disease in channel catfish to Henneguya n. sp. (Myxozoa: Myxosporea).

The phylogeny of Myxosporea (Myxozoa) based on small subunit ribosomal RNA gene analysis.

Phylogenetic analysis of complete small subunit ribosomal RNA coding region of Myxidium lieberkuehni: evidence that Myxozoa are Metazoa and related to the Bilateria.

Unlike typical eukaryotic organisms, Tetrahymena has two nuclei — a micronucleus that contains normal chromosomes and a macronucleus whose chromosomes are fragmented into thousands of small pieces of DNA that all encode the same ribosomal RNA gene.

The 7.8 Mb genome comprised four replicons: three chromosomal, each encoding ribosomal RNA, and one plasmid.

The ribosome is made of RNA called ribosomal RNA (rRNA).

Objectives: To investigate the context of the ribosomal RNA methyltransferase gene armA in carbapenem - resistant global clone 2 (GC2) Acinetobacter baumannii isolates from Singapore.

(LA JOLLA, CA)-- August 4, 2016 — Researchers from the J. Craig Venter Institute (JCVI) and Synthetic Genomics, Inc. (SGI) have published research describing a method for engineering Mycoplasma mycoides 16S ribosomal RNA (rRNA) using a one - step process that combines CRISPR / Cas9 gene editing system with yeast recombination machinery.

BAZ2A is an essential component of the nucleolar remodeling complex (NoRC), which mediates recruitment of histone modifyine enzymes and DNA methylase involved in the silencing of ribosomal RNA transcription by RNA polymerase I. BAZ2B is believed to be involved in regulating nucleosome mobilization along linear DNA.

The silence of the ribosomal RNA genes (Cellular and Molecular Life Sciences 62: 2067 - 2079), The Silence of the Labs (Defence Horizons 2003), The Science of the Lambs (Nature 391).

We partitioned the alignment into ribosomal RNA; tRNA; a control region; and the first, second, and third codon positions for coding DNA sequences (CDSs) and followed previously described procedures (9) to perform Bayesian analyses in MrBayes (73) and Beast (74).

They used the stage of meiosis in Xenopus oocytes where you find thousands of nucleoli, and everything in the field pointed to the fact they contained amplified genes for ribosomal RNA, and indeed that turned out to be the case.

Sweet T, Yen W, Khalili K, Amini S. Evidence for involvement of NFBP in processing of ribosomal RNA.

PCR is used to amplify a barcode region, such as the 16S or 12S ribosomal RNA genes, and NGS reads are used to identify the variety and abundance of species in samples.

The probe we used in the in situ hybridizations was ribosomal RNA labeled with tritiated uridine, and we used Xenopus rRNA because it was available from tissue culture cells.

Mutations in TFIIH causing trichothiodystrophy are responsible for defects in ribosomal RNA production and processing.

Evidence for involvement of NFBP in processing of ribosomal RNA.

Until now, searchers in the universal - ancestor treasure hunt have followed a hallowed chart known as the ribosomal RNA phylogenetic tree.

In the light of evidence suggesting that the oldest region of the ribosomal RNA tree lies on the branch leading into the bacterial kingdom, Aquifex provided grounds for the claim that it was the nearest living cousin of the universal ancestor.

Following the isolation and purification of microbial DNA from all samples, we used community fingerprinting (ARISA) and high - throughput sequencing of the 16s ribosomal RNA gene (V1 - V3) to describe the microbial community structure in each group.

And the trees based on other genes show different maps that do not agree with the ribosomal RNA map.

In this study, we used ribosomal RNA gene sequencing to identify the zooxanthellae, bacteria and archaea associated with healthy and yellow band diseased (YBD) colonies in the Media Luna reef of La Parguera, Puerto Rico, in order to examine the influence of YBD on the Montastraea faveolata microbiome.

The branch uniting the fungi and animals is well - supported based on a number of molecular phylogenetic datasets, including the nuclear small subunit ribosomal RNA gene (Wainwright et al., 1993; Bruns et al. 1993), unique and shared sequence insertions in proteins such as elongation factor 1α (Baldauf and Palmer, 1993), entire mitochondrial genomes (Lang et al., 2002), and concatenated protein - coding genes (Steenkamp et al., 2006).

For example, many studies on human microbiota identify species (or operational taxonomic units) and map evolutionary relationships using the 16S ribosomal RNA gene.

Clariom Pico assays can extract data from as little as 100 pg of total RNA, from common and challenging sample types (including formalin - fixed, paraffin - embedded tissues and whole blood) without the need for globin messenger RNA reduction or ribosomal RNA removal.

The sequence is called ribosomal RNA, which is used by cells to create protein.

Sogin began collecting and sifting through marine organisms — algae, fungi, sponges, jellyfish, anemones, mollusks — cutting them up and extracting DNA, adding enzymes, concentrating the DNA and sequencing the genes, reducing them to strips of code, comparing their ribosomal RNA, and applying algorithms to measure their relationship with one another and with insects, worms, fish, birds, and mammals.

One well - accepted effort compares the nucleic acid sequences that code for ribosomal RNA and a few proteins in many different organisms.

While E. coli bacteria are part of the human gut flora and usually not pathogenic, the strains classed together as EHEC produce a dangerous Shiga toxin that enters the cells in the gut and inhibits protein synthesis by cleaving ribosomal RNA.

Gopalakrishnan said the team conducted 16S rRNA sequencing, an analysis of the presence of 16S ribosomal RNA used to identify bacteria.

The team analyzed ribosomal RNA from the samples and classified the microbes based on their genomes.

Researchers use a small piece of the gene for ribosomal RNA, or rRNA — a gene that is distinct in every species — to grab all the rRNA genes that are present in a liter of seawater.

«The fast tempo of the ribosomal RNA dance lets us detect very close relationships between different yeasts.»

The cells somehow managed to be highly proliferative, made more ribosomal RNA, and synthesized more protein, all with fewer copies of ribosomal DNA.

Additionally, since ribosomal RNA has been shown to have specified controlled of cellular fate, this study provides a theoretical basis for disease therapy and neuroscience research and may lead to future advances in treating degenerative diseases or even brain cancers.

He hopes to test samples of martian soil for ancient ribosomal RNA gene sequences that are conserved in all of Earth's known life forms.

The intervening sequence RNA excised from the ribosomal RNA precursor of Tetrahymena forms linear and circular oligomers when exposed to a heating - cooling treatment in vitro.

Microbiota or microbiome structure, gene expression, and metabolism were assayed by 16S ribosomal RNA profiling, whole - community shotgun sequencing, RNA - sequencing, and mass spectrometry.

After six to eight weeks, the microbial content of the mice's feces were analyzed by 16S ribosomal RNA gene sequencing, which showed that approximately 20 kinds of oral bacteria were present in these mice.

This piece of DNA, called the 16S subunit of ribosomal RNA, does not change quickly over time, however, so it gives a very coarse timeline for the evolution of bacteria.

«We infected mice with Giardia, sacrificed them at different times post-infection, and sequenced specific regions throughout the entire gastrointestinal tract using high - throughput 16S ribosomal RNA sequencing,» said Dawson.

tiRNA is a type of small RNA that suppresses global protein synthesis, while rRNA or ribosomal RNA is a type of RNA molecule that enhances protein synthesis.

Both substrate analogs are contacted exclusively by conserved ribosomal RNA (rRNA) residues from domain V of 23S rRNA; there are no protein side - chain atoms closer than about 18 angstroms to the peptide bond being synthesized.

Biochemical and crystallographic evidence suggests that 23S ribosomal RNA (rRNA) is the catalyst of peptide bond formation.

This set includes various ribosome builders, as well as other proteins that process and transcribe ribosomal RNA, a necessary step before the ribosomes can be assembled and pushed out of the nucleolus.

We examined 13,355 prokaryotic ribosomal RNA gene sequences from multiple colonic mucosal sites and feces of healthy subjects to improve our understanding of gut microbial diversity.

Coupling of Tetrahymena ribosomal RNA splicing to beta - galactosidase expression in Escherichia coli

Splicing of the Tetrahymena ribosomal RNA precursor is mediated by the folded structure of the RNA molecule and therefore occurs in the absence of any protein in vitro.

The contacts between wild - type M1 RNA and its substrate are in a region that resembles part of the transfer RNA «E» (exit) site in 23S ribosomal RNA.