Sentences with phrase «several molecular studies»
Furthermore, several molecular studies have concluded that whales share a common artiodactyl ancestor with hippos and are thus more closely related to these animals than to any other living artiodactyl or to a mesonychian.
https://www.scientificamerican.com/ Not exact matches
Several studies have used cell - surface markers — proteins found on the outer membranes of tumor cells — to identify glioblastoma stem cells; but the specific markers used have been controversial and can not reflect molecular processes going on within tumor cells.
The study, led by Nancy J. Cox of the Centers of Disease Control and Prevention describes a molecular analysis of the novel influenza A (H1N1) virus infecting humans in several parts of the world.
«We have identified the molecular mechanisms by which the Tat protein made by HIV interacts with the host cell to activate or repress several hundred human genes,» said Dr. Iván D'Orso, Assistant Professor of Microbiology at UT Southwestern and senior author of the study.
Parchman, who specializes in evolutionary and ecological genetics in in the University's College of Science, is the lead author on a recently published scientific paper in the journal Molecular Ecology detailing the study, a culmination of several years of work with his colleagues Alex Buerkle and Craig Benkman of the University of Wyoming, and Victor Soria - Carrasco of University of Sheffield, UK.
The study, published recently online ahead of print in the journal Molecular Psychiatry, also points to several pathways as potential targets for treatment.
His team performed embryology experiments, molecular cloning projects, and candidate gene studies, coming at the problem from several different angles at once.
«I believe this result will have several impacts,» said Giulia Galli, a professor at the University of Chicago's Institute for Molecular Engineering and senior scientist at the DOE's Argonne National Laboratory who was not involved in the study.
In the course of this work, he has pioneered several new approaches in the fruit fly that have had important implications for mammalian neurobiology, including: the demonstration that the fruit fly has a sleep - like behavior similar to that of mammals, studies of physiological and behavioral consequences of mutations in a neurotransmitter system affecting one of the brain's principal chemical signals, studies making highly localized genetic alterations in the nervous system to alter behavior, and molecular identification of genes causing naturally occurring variation in behavior.
Objectives: We propose to develop best - practice guidelines and minimal reporting standards specifically in the context of several regulatory toxicology case studies; e.g. (a) chemical grouping and read - across to supplement ECHA's Read - Across Assessment Framework, (b) discovery of mode of action / molecular key events (within the AOP framework), (c) derivation of Benchmark Doses from concentration - response relationships, and (d) cross-species extrapolation within environmental toxicology.
Two reports published last year in the journal Molecular Psychiatry, with leadership from Scharf and several co-authors of the current study, described genome - wide association studies (GWAS) of thousands of affected individuals and controls.
Prof. Vijay Pande and his group have pioneered several areas of simulation methodology (including large - scale distributed computing via the Folding@home program, Molecular Dynamics on GPUs, and Markov State Model approaches) as well as applications of these tools to the study of protein folding.
Also, as shown in our study, the surviving cycling hypoxia - selected subpopulation acquires additional molecular advantages after exposure to several cycles of hypoxia / reoxygenation.
Studies are being carried out to determine the functional effects that occur when these receptor - ligands interact; to determine how these proteins induce their activities at the molecular level and transmit signals to T cells; and to determine the significance of these proteins in several disease scenarios such as asthma, scleroderma, and atopic dermatitis.
«Several years ago, we and others described the correlation between nuclear positioning and gene activation,» said study author Harinder Singh, Louis Block Professor of Molecular Genetics and Cell Biology and an Investigator in the Howard Hughes Medical Institute at the University of Chicago.
As a partner of the European Consortium 3D - REPERTOIRE and coordinator of the Spanish Structural Genomics Consortium GENES, our group studies several protein complexes and molecular machines, some of which are related to the epigenetic control of gene expression.
Studies on horizontal gene transfer and enzymemediated DNA rearrangements lead him to postulate a theory of molecular evolution according to which nature cares actively for the promotion of biological evolution by using products of specific evolution genes as well as several intrinsic non-genetic elements.
«Although we first became aware of prions because they cause several bizarre neurological diseases, the discovery that something so awesomely similar happens in organisms as different as humans and yeast makes us suspect that there is a fundamental, common biochemical process at work here,» said study director Susan Lindquist, PhD, professor of molecular genetics and cell biology and an investigator in the Howard Hughes Medical Institute at the University of Chicago.
He also supports molecular detection and genotyping in several studies on bacterial and viral infections.
Our laboratory initiated several collaborative studies that have been published and some of the initial work was really focused on trying to conduct a comprehensive molecular analysis of what are the early changes at the molecular level, the level of gene expression as the disease is first initiating and undergoing those early changes that are so critical in the course of disease.
After a postdoc in plant molecular biology at the Rockefeller University, she worked in Washington DC as an AAAS Risk Policy Fellow at the USDA and then as a study director for several reports on biotechnology and bioterrorism policy at the NAS / NRC.
Several studies have demonstrated the feasibility of molecular screening of tumour samples for matching patients with cancer to targeted therapies.
Our model should allow studies of the impact of aneuploidy on molecular adaptations and cellular fitness.IMPORTANCE Aneuploidy is usually detrimental in multicellular organisms, but in several microorganisms, it can be tolerated and even beneficial.
For the study, researchers used multi-walled nanotubes (MWCNTs), which contain several nanotubes nested within each other, prepared for the study by the Center for Nanotechnology and Molecular Materials.
Other specialized blood tests that detect DNA of the organism, such as Polymerase Chain Reaction (PCR) a technique used in molecular biology to amplify a single copy or a few copies of a piece of DNA across several orders of magnitude, generating thousands to millions of copies of a particular DNA sequence and serologythe scientific study or diagnostic examination of blood serum, especially with regard to the response of the immune system to pathogens or introduced substances, are helpful.