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Elongation in Medical News

Physics research with atomic force microscope could lead to better health care

...ing of a single chemical bond between two atoms embedded in a protein. A cleavage of that particular bond has been precisely signaled by unfolding and elongation of a part of a protein. "There is lots of potential for this research to really address issues of major importance in biology because this will be ...

Experimental Biology 2009 meets April 18-22

...er biology; clinical and pharmacogenomics aspects of HIV and AIDS; polypharmacology and drug repurposing; metabolic signaling in senescence and aging; elongation and termination; trafficking mechanisms and pathogen subversion; mechanisms for lipid storage and transport; development and advancement of minority s...

Pourquié Lab uncovers mechanism contributing to appropriate formation of the spine

...omez, Ph.D., formerly a Postdoctoral Research Associate at the Stowers Institute and lead author on the paper. "We found that the control of both body elongation and vertebrae precursor size accounts for the different numbers of vertebrae in each of these species the smaller the vertebrae precursors are along ...

Mechanism of blood clot elasticity revealed in high definition

...ow the fibrinogen molecule responded to stretching. Each phase in the force extension curve corresponded directly with a distinct set of events in the elongation of the molecule. The simulations revealed that the extension occurs in a specific and orderly pattern, with distinct regions within the coiled-coi...

Why your fertility cells must have 'radio silence'

...lieve it produced any proteins. Using current technology, Dr. Nakamura discovered that PGC does indeed produce a protein which regulates Transcription elongation Factor B (TEF-B), the genetic machinery that expresses proteins. "It's a very small, 71-amino acid protein," Dr. Lasko explained. "The average leng...

Research sheds light on carotid artery stenting risk in elderly

... higher calcium content compared with patients with type I aortic arches. These findings suggest that increased aortic arch calcium content and arch elongation may be used as markers of increased potential for embolization during endovascular manipulation of the aortic arch. Multiple reports have documented ...

Drug Combo Helps Fight Marfan Syndrome

...y disorder Marfan syndrome, research shows. Marfan syndrome, which principally affects connective tissues, is often characterized by excessive bone elongation and joint flexibility, and eye and cardiovascular system abnormalities. Progressive dilation and rupture of a major blood vessel, the aorta, are the m...

Nanomedicine Gives the Way for Nerve Cell Regeneration

...t the University of Miami , researchers show how magnetic nanoparticles (MNPs) may be used to create mechanical tension that stimulates the growth and elongation of axons of the central nervous system neurons. The second method from the University of California, Berkeley uses aligned nanofibers containi...
Elongation in Medical Products

Brandy Front Closure Scalp Stretcher

Features:... Made from foam, elastic and velcro Based on the scientific finding that tension on the skin causes progressive elongation of the tissue ...
Company:Anthony Products, Inc.

GORE-TEX Vascular Grafts configured for Pediatric Shunts

Features:...tion Kink resistance improved handling, soft and supple while enhancing kink resistance Superior anastomotic conformability enabling up to 50% elongation of beveled end ...
Company:W. L. Gore & Associates, Inc.
Elongation in Medical Dictionary

Long bones

... The long bones are those that are longer than they are wide, and grow primarily by elongation of the diaphysis, with an epiphysis at the ends of the growing bone. The ends of epiphyses are covered with a hyaline cartilage . The longitudinal g...
Elongation in Biological News

Tree survival skills

...s that diminish transplanted tree growth and survival", the scientists said. Effects of water stress, root severance, and root-ball disruption on twig elongation and tree survival were measured for each treatment and compared with unaltered control trees. Harvested root balls can be extremely heavy and are ...

February 2009 Geology and GSA Today media highlights

...er of the edifice can explain the overall "circus tent" shape, whereas friction decreasing from southeast to northwest accounts for the shortening and elongation of the respective quadrants. The most likely origin for the basal low-friction zone is in a layer of clay sediment, overpressured by pore water. This ...

Rong Li Lab probes mechanism of asymmetry in meiotic cell division

... Formin-2 is an actin-nucleating protein that can promote the formation of actin filaments around the chromosomes. Actin filaments undergo dynamic elongation and shortening and, in the process, push the chromosomes towards the outer edge of the oocyte. After the chromosomes reach the periphery, the actin fi...

Stowers Institute's Shilatifard Lab identifies new role for factor critical to transcription

... Shilatifard Lab has identified a new role for the elongation factor ELL in gene transcription by RNA polymerase...e control of the timing and location of transcript elongation by Pol II is essential for development. In a paper..."In this study, we wanted to determine whether the elongation factor ELL is required for the regulation of the t...

Researchers observe spontaneous 'ratcheting' of single ribosome molecules

...ey proposed that the motion of the subunits depended on a protein catalyst, elongation factor G (EF-G). In the new study, a team led by University of Illinois ...us back-and-forth rotation between the subunits even in the absence of the elongation factor, EF-G. "Other researchers proposed that this rotation is induced ...

Male seahorses are nature's Mr. Mom, Texas A&M researchers say

...ahorse? Jones said. There are a lot of evolutionary steps involved in that. Jones explained that the first step in the evolutionary process was the elongation of the fishs body, which the lab is currently studying. The next step was the addition of other unique structural features that seahorses possess, suc...

Male seahorses are nature's Mr. Mom, Texas A&M researchers say

...ahorse? Jones said. There are a lot of evolutionary steps involved in that. Jones explained that the first step in the evolutionary process was the elongation of the fishs body, which the lab is currently studying. The next step was the addition of other unique structural features that seahorses possess, suc...

A place in the sun

...leaves and reflection of far-red light from neighboring plants. To secure their place in the sun, plants direct their growth resources toward stem elongation and away from bulking up harvestable portions such as leaves and seeds. If all else fails, the plants put out what I like to call a premature desperat...

Scientists rebuild ancient proteins to reveal primordial Earth's temperature

..., the scientists struck gold with a protein called elongation factor, which helps bacteria string together amino...ia that live in warmer environments have resilient elongation factors, which can withstand high temperatures wit...cterial species evolved, the scientists rebuilt 31 elongation factors from 16 ancient species. By comparing the ...

Liquid crystal phases of tiny DNA molecules point up new scenario for first life on Earth

...ured just two nanometers long and two nanometers in diameter, could still assemble itself into the liquid crystal phases, in spite of having almost no elongation in shape. Structural analysis of the liquid crystal phases showed that they appeared because such short DNA duplex pairs were able to stick togethe...
Elongation in Biological Technology

Former Telomolecular CEO Clarifies SEC Settlement

...e regeneration that was not observed when delivering inactive telomerase or linear strands of the same DNA. Studies performed by UCLA suggest that the elongation of chromosomal telomeres might prove to be effective and safe in the treatment of HIV in humans, while studies by other hospitals and universities sug...

Bluestar Silicones Introduces Three New Soft and Durable Liquid Silicone Rubber Products

...breakthrough product on the market offering higher elongation and 50% greater tear strength than other 10-ShoreA...rcially available today. The high tear strength, elongation and resiliency of Bluestar Silicones' new 25 durom... "Molders traditionally had to sacrifice tear or elongation to achieve a very soft product, limiting the possi...

Physicists discover gold can be magnetic on the nanoscale

...nsitive metal-to-insulator nano-switching. When individual oxygen atoms, rather than an oxygen molecule, are incorporated in the gold nanowire, the elongation range was found to be limited and the electrical conductance was predicted to be lower than in the previous case of molecular oxygen incorporation. Ho...

Detection of Apolipoprotein Gene Variants by DGGE Using the DCode System

...poA-I) or 58 C (apoB), in each case for 30 s. The denaturing and elongation steps were 96 C for 30 s and 72 C for 60 s. A final elongation step of 8 minutes at 72 C was then carried out. The temperature ...

Identification of Disease Causing Mutations in Phenylketonuria by Denaturing Gradient Gel Electrophoresis Using the DCode System

...on at 95 C, 20 seconds annealing at 56 C and 40 seconds elongation at 72 C. After cycling, final elongation was done at 72 C for 5 minutes. Finally, to generate heteroduplex...

Acrylamide Polymerization A Practical Approach

...mobility and will be excluded from the gel matrix. Poorly polymerized gels have greater porosity due to incomplete chain elongation and crosslinking. As a result, the exclusion limit will be greater than for a well-polymerized gel of the same percent acrylamide....

Quantitative end-point RT-PCR gene expression measurement using the Agilent 2100 Bioanalyzer and standardized RT-PCR

...nc., Incline Village, NV) for 35 cycles. In each protocol the denaturation temperature was 94 C, the annealing temperature was 58 C, and the elongation temperature was 72 C. All StaRT-PCR reagents had been optimized for the same PCR conditions. NT and CT PCR products from the Rapidcycler wer...

PCR principles

...n uses two oligonucleotide primers that hybridize to opposite strands and flank the target DNA sequence that is to be amplified. The elongation of the primers is catalyzed by a heat-stable DNA polymerase (such as Taq DNA Polymerase). A repetitive series of cycles involving te...

Efficient RNAi-mediated gene silencing in neuronal cells using QIAGEN siRNA and TransMessenger Transfection Reagent*

...oration. MAP2 has been shown to be required to overcome early transitions of neuritic development and to begin elongation of neuritic processes ( 2 , 3 ). Phenotypic effects of MAP2 suppression can be observed early on after plating so primary neuro...

RNeasy Mini, Midi, and Maxi Kits

...l tissues were from mouse. Yeast: Saccharomyces cerevisiae; E. coli: HB101. 32P-labeled probes recognized (G) GAPDH; (E) translation elongation factor EF-1a ; and (O) outer membrane protein A sequences. (E and O were kindly provided by P. Philippsen, University of Basel, Swit...
Elongation in Biological Products

Rabbit Reticulocyte Lysate, Untreated from Promega

Description:... Untreated Rabbit Reticulocyte Lysate contains the cellular components necessary for protein synthesis (tRNA, ribosomes, amino acids, initiation, elongation and termination factors) but has not been treated with micrococcal nuclease. Untreated Lysate is used primarily for the isolation of these components ...
Company:Promega
Elongation in Biological Definition

Anaphase

...by depolymerisation at both ends. During this, motor proteins at the kinetochores pull on the kinetochore microtubules. Anaphase B involves both the elongation of overlap microtubules and the use of two distinct sets of motor proteins: one of these pulls overlap microtubules past each other, the other pulls o...

Archaea

...the typical bacterial features, but are extremely similar to those of eukaryotes . For instance, archaean translation uses eukaryotic initiation and elongation factors, and their transcription involves TATA-binding proteins and TFIIB as in eukaryotes. Several other characteristics also set the Archaea apart...

Mitochondrion

...ety of enzymes involved in such diverse activities such as the oxidation of epinephrine (adrenaline), the degradation of tryptophan , and the elongation of fatty acids . The inner mitochondrial membrane, in contrast, contains more than 100 different polypeptides , and has a very high protein to pho...

Mitochondrion

...ety of enzymes involved in such diverse activities such as the oxidation of epinephrine (adrenaline), the degradation of tryptophan , and the elongation of fatty acids . The inner mitochondrial membrane, in contrast, contains more than 100 different polypeptides , and has a very high protein to pho...

Polymerase chain reaction

...d works its way along the DNA strand. This step is called elongation. The elongation temperature depends on the DNA-Polymerase. The time for this step depends b... drawing of the PCR cycle. (1) Denaturing at 96C. (2) Annealing at 68C. (3) elongation at 72C (P=Polymerase). (4) The first cycle is complete. The two resulting D...

Protein biosynthesis

...ther process. Translation Main article: Translation During translation, the message of mRNA is decoded to make proteins . Initiation and elongation occur when the ribosome recognizes the starting codon on the mRNA strand and binds to it. The ribosome has sites, which allow another enzyme, tRNA t...
Elongation in Biological Dictionary

Tet resistance

...tracycline resistance proteins Tet (U) and Otr(C) ... the tetracycline resistance protein Tet (A), a tetracycline ... Tet (O) is an elongation factor-like protein which confers resistance to the ... A model for Tet (O)-mediated tetracycline resistance . ... tet (W) was found respo...

Telomere

...ead The Telomere at Questia library. ... However, this mode of telomere replication has yet to be observed for eukaryotic ... ... on why this elongation is necessary see Telomere shortening. ... Identification of a specific telomere terminal transferase activity in Tetrahymena extracts" ... Tel...

T7 RNA Polymerase

...for use ... ... Structure of T7 RNA Polymerase . 3D Structure of T7 RNA Polymerase . CPK Color ... This is T7 RNA Polymerase in its elongation phase, complexed with DNA and RNA . ... RNA Polymerase , T7 . Affymetrix / USB. 6,000 U ... T7 RNA Polymerase . Agilent Technologies - St...

Synapomorphy

... it is shared by the ... However, no clear synapomorphy —shared derived character—exists for "Amoebozoa. ... synapomorphy , an insertion in the elongation Factor 1α gene in lineages ... The establishment of homology qua synapomorphy ... qua synapomorphy , i.e. as similarity due to common ance...

Spermiogenesis

...nd spermiogenesis . Get checked abstract ... Key words: spermiogenesis /protamines /histones/chromatin condensation/OAT. Introduction ... Nuclear elongation halfway during spermiogenesis is accompanied by the ... ... are likely to result from abnormalities in spermiogenesis (Huang et al, ... During ...

Spermatid

...esented by 39 ESTs from 28 cDNA libraries. ... Rattus norvegicus spermatid perinuclear RNA binding protein (Strbp), mRNA. PA ... As spermatid elongation proceeds, the rostral ends of the nuclei bundle (NB) ... Prior to this, each spermatid sheds a residual body containing membrane ... A round spe...

Ribosome binding site

...n initiating protein translation. The P site is where the peptidyl tRNA is formed in the ribosome . ... This binding is facilitated by elongation factor-Tu (EF-Tu), a small GTPase. ... Definition and other additional information on Ribosome binding site from Biology-Online.org dictionar...

Ribonucleotides

... flanking ribonucleotides of the D10R2 and D9R3 substrates were ... Pol µ efficiently polymerizes ribonucleotides on a DNA primer. ... However, elongation of ribonucleotides or with ribonucleotides is less efficient, ... Nucleotides. Ribonucleotides and deoxyribonucleotides (collectively called ...

Primary growth

...nload > Stem growth > Primary growth ... Palm trees (dicots) show only primary growth originating from a broad apical meristem. ... elongation in an upward direction is called primary growth . ... Primary and secondary (lateral) growth occur simultaneously. Primary growth occurs in...

PolyA tail

... to the 39 poly(A ) tail can mediate ... In some experiments, poly(A ) tails were removed from RNAs by hybridization to ... Tissue-specific elongation of the poly(A ) tail on dehydration. ... the poly(A ) tail . ... the binding of PABP to the poly(A ) tail was also augmented by CP, implyin...
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