Sentences with phrase «for ribosome»

To figure out how many species might be living in Lake Whillans, the researchers zeroed in on a gene that codes for a ribosome protein, one of the oldest and most conserved biological structures on Earth.

The paper neatly links up with two Nobel Prizes: the 2017 Chemistry prize for cryo - electron microscopy and the 2009 Chemistry prize for ribosome structure, awarded in part to Dunham's mentor Venki Ramakrishnan.

A better understanding of the molecular mechanism of protein biosynthesis depends on the availability of a reliable model for the ribosome particle.

The plasmid, which directs the production of the thiopeptide antibiotic, also directs production of a spare part for the ribosome, a replacement for the part that is blocked by the antibiotic, which renders the ribosome insensitive to the antibiotic.

But findings in Moore's lab supported the view that mRNA strands with more of the nucleosides that tend to form tight bonds are, in fact, easier for ribosomes to translate.

Not exact matches

This makes me happy: Research on ribosomes by Noller and others has led to the development of novel antibiotics that hold promise for use against drug - resistant bacteria.

Steitz and Peter Moore, a biophysical chemist at Yale, had discussed using x-ray crystallography to solve the structure of the ribosome for years.

He decided to delay starting his own group for a year and a half, the time he estimated he needed to solve the structure of the ribosome.

So for a postdoc to want to take this on at that stage was remarkable,» Venki Ramakrishnan, a ribosome researcher at the MRC Laboratory of Molecular Biology in Cambridge, U.K., writes in an e-mail.

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan, Thomas Steitz and Ada Yonath for studies of the protein - manufacturing ribosome, with implications for antibiotic development.

Expression of the Escherichia coli tryptophanase operon depends on ribosome stalling during translation of the upstream TnaC leader peptide, a process for which interactions between the TnaC nascent chain and the ribosomal exit tunnel are critical.

Elongation factor P binds to the ribosome so as to position the initiator transfer RNA for the first bond formation.

It's fitting that this year's chemistry prize has been awarded to Venkatraman Ramakrishnan, who used the institute's # 95 million Swiss Light Source for his prize - winning studies on the structure of the ribosome.

Based on the ribosome profiling data, the researchers looked for genes that were being expressed differently in the trained mice, identifying 104 genes in total.

The prize will be equally split between biophysicist Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in Cambridge in England, biochemist Thomas Steitz of Yale University and molecular biologist Ada Yonath of the Weizmann Institute of Science in Rehovot, Israel, for their work in using x-ray crystallography to get a precise, atomic - scale map of the ribosome — the protein - making machine in all cells with nuclei that makes life possible.

This marks the second time in four years that the chemistry Nobel has been awarded to someone working with x-ray crystallography; in 2006 Roger Kornberg took the prize for detailing the structure of messenger RNA, which is the molecule that carries the information the ribosome uses to build proteins, such as insulin or hemoglobin.

The collaboratinggroups at the MPIB and LMU have now investigated the clearance of ribosome - blocked proteins destined for the mitochondria.

Her calculations informed an algorithm that predicts, for a given protein, what mRNA sequence would produce the structure most appealing to a ribosome.

Steitz shared the 2009 chemistry Nobel for his elegant elucidation of the three - dimensional structure and detailed function of the ribosome, the cellular organelle charged with the actual production of proteins as per the instructions of the genetic code.

For most known genes this «messenger» or mRNA is then shuttled off to a ribosome of a cell where its translation into a protein sequence occurs.

Its appearance following starvation and other stresses is associated with changes in the expression of over 500 genes, most prominently genes for the structural RNAs that are components of the ribosome — the enzyme responsible for protein synthesis.

Fortunately ribosomes have three quality - control systems that keep watch for errors in the mRNA and rescue the ribosome if spot serious mistakes.

Then she deleted the gene for a factor that is recruited to degrade the mRNA after the ribosome is released, and again the level of oxidized mRNA rose.

To find out why, computational biologists came up with a computer model to predict how microbial metabolism and cellular composition change as cell size varies, using details about how much space a bacterium needs for its components — DNA, proteins, and the molecular factories called ribosomes — to function.

Instead, the signal peptide adopts a specific conformation in the presence of the antibiotic, which blocks and inhibits the active center of the ribosome, thus accounting for the premature stop.

Erythromycin targets bacterial ribosomes — the nanomachine responsible for the translation of messenger RNA (mRNA) sequences into protein — thus preventing synthesis of the proteins required for continued growth and survival.

«We have ample evidence that hundreds of the oldest ribosomal proteins still start with a valine or a leucine code and do not have the codon for methionine in the DNA,» Duax said, referring to proteins found in basic cell components called ribosomes.

Next they tested an additional 27 genes that are known to be involved in various steps of ribosome biogenesis to verify whether SSUP was required for ESC maintenance.

RNA serves as the template for translation of genes into proteins, transferring amino acids to the ribosome to form proteins, and also translating the transcript into proteins.

RNA acts as a messenger between DNA and the protein synthesis complexes known as ribosomes, forms vital portions of ribosomes, and acts as an essential carrier molecule for amino acids to be used in protein synthesis.

Joint winner of the 2009 chemistry prize with Thomas Steitz and Ada Yonath «for studies of the structure and function of the ribosome.»

In nerve cells, ribosomes are also found close to the synapses of the dendrites, thus enabling proteins that are required for synaptic function to be produced close to their sites of action.

Ribosomes are the molecular machines responsible for the translation of mRNA sequences into the amino - acid sequences of the specified newly synthesized protein.

Using the 58 eggs confiscated in the Folgosa case back in 2003, she and her team searched for short DNA sequences that coded for a piece of the ribosome, the cell's protein - producing factory.

The instructions for the synthesis of proteins are stored in the DNA in the cell nucleus, are first «transcribed» into mRNAs, and exported from the nucleus to the ribosomes in the cell cytoplasm.

This information flow may also be followed through the cell as it travels from the DNA in the nucleus, to the Cytoplasm, to the Ribosomes and the Endoplasmic Reticulum, and finally to the Golgi Apparatus, which may package the final products for export outside the cell.

It encodes structural components of ribosomes, the miniature factories responsible for producing the proteins that carry out many functions of the cell.

Gerton hypothesized that cancer cells, which are highly proliferative and might need more than the usual amount of ribosomes, would select for expansion of copy number.

The new organelle is three times as large as a ribosome and may be just as important for the cell's functioning.

Investigations of how short chains of nucleic acids replicate themselves in vitro have even provided clues to primitive genetic codes for translating nucleic acid information into protein information, systems that could have preceded the elaborate machinery of ribosomes and activating enzymes with which cells now manufacture protein.

For this study, researchers used an approach called structure - based design to re-engineer how spectinomycin binds to the ribosome.

During this crucial step, messenger RNA (mRNA), which is a RNA copy of a gene's recipe for a protein, is translated by the cell's ribosome into the sequence of amino acids that will make up a newly synthesized protein.

This new class of antibiotics works against TB by disrupting the function of a part of the cell known as the ribosome, which is responsible for protein synthesis.

The structure indicates the extent of RNA packing required for the function of large ribozymes, the spliceosome, and the ribosome.

Evgeny Sogorin of the Institute of Protein Research in Moscow and his dancing ribosomes won in the chemistry category and the People's Choice Award went to Emmanuelle Alaluf at the Free University of Brussels for a video on the use of an enzyme to improve anti-tumor immune response.

The structure reveals how tmRNA could move through the ribosome despite its complicated topology and also suggests roles for proteins S1 and SmpB in the function of tmRNA.

Getting at a mechanism for how DNA sequence could influence protein function, the researchers found that ribosomes density on β - actin RNA is more than a thousand times higher than on γ - actin RNA, and indeed all six actin genes had differences in ribosome density.

And curious as to how widespread this phenomenon might be, the researchers looked for protein families with nearly identical members that are encoded by different genes and had significant variations in ribosome density across the family.

These units, which contain detailed instructions for the synthesis of specific proteins, are then read and translated by ribosomes into proteins.

For mRNAs landing on ribosomes, the ribosome displaces the mRNAs» green fluorescent protein.