Sentences with phrase «of cellular»

In his research, Forth uses an optical trapping technique to quantify the forces exerted by components of cellular structures like the mitotic spindle.

One posits that giant viruses evolved from an ancient cell, perhaps one from an extinct fourth domain of cellular life.

Now, researchers have finally figured out how — by blocking a molecule that is part of a process that gets rid of cellular waste.

When phytoplankton use carbon dioxide to make new cells, a substantial portion of that cellular material is released into the sea as a buffet of edible molecules collectively called «dissolved organic carbon.»

Taylor and his colleagues previously identified such unstructured protein regions, called prion - like domains, as the building blocks of cellular assemblies and as hotspots for disease - causing mutations.

Pulmonary fibrosis can possibly be attributed to a kind of cellular aging process, which is called senescence.

This could suggest that they started as big bits of cellular DNA and then became independent — or that these viruses came along very early in evolution, and some of their DNA stuck around in cells» genomes.

In tissues such as liver and skeletal muscle, FAO can provide over 75 % of cellular adenosine triphosphate, while in cardiac tissue it can be responsible for up to 90 %.

«Since protein synthesis is one of the most prominent hallmarks of cellular life, it shows that these new viruses are more «cell - like» than any virus anyone has ever seen before.»

It might fundamentally change our understanding of cellular communication in the amygdala.»

Spalding, Frisén, and colleagues then created a mathematical model estimating, based on those ratios, the rate of cellular turnover within the hippocampal neurons.

Previous research has shown that many cells, including cancer cells, communicate directly with one another by emitting tiny bubbles of cellular material called microvesicles.

The bug manufactures an amino acid not made by any other living thing and uses it to construct its proteins, the molecules that carry out the lion's share of cellular chemistry.

Now, a University of Pittsburgh researcher has used the components of the cellular «scaffolding» of a zebrafish to regenerate heart tissues in mammals, specifically mice, as well as exhibiting promising results in human heart cells in vitro.

«We found dysregulated expression in a suspect gene complex which adds to evidence that PMDD is a disorder of cellular response to estrogen and progesterone,» explained Peter Schmidt, M.D. of the NIH's National Institute of Mental Health, Behavioral Endocrinology Branch.

The procedure may be effective for other inherited metabolic diseases, including phenylketonuria and organic acidurias, said Christopher Lynch, professor of cellular and molecular physiology, lead researcher.

The new work was done under the auspices of the Innovative Genomics Initiative (IGI), a joint UC Berkeley - UCSF program co-directed by Berkeley's Jennifer Doudna, PhD, and Jonathan Weissman, PhD, professor of cellular and molecular pharmacology at UCSF and a Howard Hughes Medical Institute (HHMI) investigator.

He is seeking ways to exploit the methods of cellular biology to create a new type of molecular - scale engineering.

Now, genetic analysis of the cells has cast fresh doubts on the research and found potential evidence of inadvertent or deliberate switching of cellular material.

«New OCT technique provides better 3 - D imaging of the cellular structure of the eye.»

Proteins are responsible for the vast majority of the cellular functions that shape life, but like guests at a crowded dinner party, they interact transiently and in complex networks, making it difficult to determine which specific interactions are most important.

As the primary site of cellular protein folding, the ER plays a critical role in maintaining cellular function.

The new findings show how death spreads through the organism via the process of cellular necrosis.

Some of the cellular scissors that snip out beta amyloid are a group of enzymes called the presenilins (see Science, 22 October 1999, p. 650), but scientists know the presenilins have help.

Duke scientists grew two sets of cellular «miniguts» on culture dishes and stimulated them with inflammatory factors.

A critical next step for this work is to understand how senescent changes in late life trigger such destructive waves of cellular necrosis.

The impact can trigger a cascade of cellular reactions that further damage the brain and neurons, potentially leading to long - term cognitive impairments.

It seems, however, that the stem cells require a bit of cellular hand - holding to adopt their new fate.

The researchers picked 414 genes that the fungi can't live without — genes that help control metabolism and dispose of cellular junk, for example.

As it turns out, the mutant alga also exhibited aberrant organization of cellular membranes when maintained in the dark, but did not exhibit them when maintained in the light.

Importantly, Zika virus also follows the same pattern of cellular behavior of repressing the cell's translation and stress response while promoting its own protein translation.

They also serve as a kind of cellular railway network.

Knowing how cells exert force and sense mechanical feedback in their microenvironment is crucial to understanding how they activate a wide range of cellular functions, such as cell reproduction, differentiation and adhesion — basic physiological processes that underlie embryo development, tumor metastasis, wound healing and many other aspects of human health and disease.

The single cell and the two cells resulting from it, have the highest level of cellular plasticity: They are totipotent, which means they can make a full organism, including the extra-embryonic placental tissue.

The virus was most likely blocking the initiation of cellular translation.

Oxidative states are generally considered to be indicative of cellular stress; however, cells inherently release harmful reactive oxygen species during energy production, neutralized by intracellular antioxidative buffering systems.

The tracks of this cellular railway are almost unimaginably small — just 25 nanometers across (a nanometer is a millionth of a millimeter).

«We're just beginning to appreciate that much of cellular function happens at short distances, between nearly touching organelles,» says Dr. Hajnoczky.

Under the microscope, these eggs appeared like dark dots in a field of cellular clutter.

In recent years, Blackburn has expanded on that initial work to show that these gauges of cellular health serve as barometers of environmental and emotional stress and predictors of various diseases.

I was extremely enthusiastic about the opportunity to immerse myself in a subject in detail, and chose the mechanisms of cellular immunology to study for a PhD.

Anthropologists now isolate the Y chromosome DNA or mtDNA from the rest of the cellular gunk and feed the purified, prepared DNA into a machine.

Deciphering encrypted codes of cellular activity in these sequences of our DNA represents one of the most exciting challenges of modern biology.

The little tips of chromosomes get shorter every time a cell divides, and this shortening is a mark of cellular aging.

«The mineral zinc acts as a catalytic, structural and signaling factor in the regulation of a diverse array of cellular pathways involving hundreds of enzymes and proteins,» he said.

Imaging techniques are becoming ever more important in the fields of cellular immunotherapy and stem - cell transplantation, the researchers say.

«This is the first systematic comparison of the mouse and human at the genomic level,» said Bing Ren, Ph.D., co-senior author on the Consortium's main Nature study and professor of cellular and molecular medicine at the University of California, San Diego.

The findings shed new light on the biological nature of protein aggregates, which have been widely considered to be toxic dead - end products, but are increasingly being recognized as a new layer of cellular organization.

Brazilian scientists from the D'Or Institute of Research and Education (IDOR) and the Federal University of Minas Gerais (UFMG) found that ADHD kids and their mothers are more likely to have shorter telomeres, a hallmark of cellular aging, which is associated with increased risk for chronic diseases and conditions like diabetes, obesity and cancer.

Working with mouse, fly and human cells and tissue, Johns Hopkins researchers report new evidence that disruptions in the movement of cellular materials in and out of a cell's control center — the nucleus — appear to be a direct cause of brain cell death in Huntington's disease, an inherited adult neurodegenerative disorder.