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Tag: "understanding" at biology news

A gene's first 'kiss' sets off that affair known as puberty

...uman development. And while there is a fairly good understanding of how the endocrine system regulates the hormones involved, just how and when the brain activates this process has been a great mystery. An appreciation of puberty's deep-seated neurobiological mechanisms could, for instance, help prevent precocious...

Man and mouse share genome structures

... This global activation may have implications for understanding mechanisms behind certain cancers, Bernstein believes. For example, proteins that place methyl groups on histones can, when mutated, cause leukemia. Bernstein hopes to apply the new technology to characterize chromatin structure in leukemic cells and...

Molecular biology fills gaps in knowledge of bat evolution

...search, Kent, U.K. "The present work advances our understanding of where bats originated, when they diversified and how different bat families are related to each other," Springer said. "It also quantifies the fraction of the fossil record that is missing for bats." The team, using DNA sequencing, analyzed data ...

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

New keys to understanding the evolution of life on Earth may be found in the microbes and minerals vented from below the ocean floor, say scientists at the University of California, Santa Barbara. The UCSB scientists are making new contributions to this field of inquiry in t...

UAB scientists discover the origin of a mysterious physical force

... of the process of designing new drugs is based on understanding how substances penetrate cell membranes to enter c...ences how effectively they are able to act. Fully understanding the properties of this force that occurs when molecules surrounded by water adhere to each other is ...

Quantum Dots Research Leads to New Knowledge about Protein Binding in Plants

...n live imaging of plant cells andprovides valuable understanding of the mechanism of interaction betweenthe pollen ... on a pollen tube is onemore step towards a better understanding of the fundamental processesinvolved, namely the network of the signaling process in plantreproducti...

Source of molecular triggers in cutaneous T cell lymphoma identified

...ensive CTCL to opportunistic infections. "Through understanding T cell and dendritic cell interactions, we may gain the ability to manage a spectrum of maladies ranging from cancer to disorders of immune regulation," said Edelson. "Inhibiting Treg-cell generation may be useful for cancer immunotherapy and promoti...

W.M. Keck Foundation funds study of friendly microbes

...en fabric of interacting species. Ultimately, such understanding promises to provide new ways of fortifying health and preventing or treating a variety of diseases both inside and outside of the gastrointestinal tract." ...

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...reme environments on other planets and couldadd to understanding of bacteria inside the human body.A team of CU-Boulder biologists led by Professor Norman Pace, one ofthe world's leading experts on molecular evolution and microbiology,published their report "Hydrogen and bioenergetics in the Yellowstonegeothermal ...

Dysentery uses 'sword and shield' to cause infection

... Dr Tang adds: "This discovery greatly expands our understanding of how bacteria are sometimes able to evolve although it is unlikely to result in new treatments or vaccines for dysentery. In this case, the dysentery bacteria has evolved into a highly effective and dangerous infection." ...

Growth in the sea comes down to a struggle for iron

.... Though scientific efforts are aimed primarily at understanding these natural systems, there has been some specula...rsial in scientific circles given the very limited understanding of these unique systems, says Wells. Wells specializes in chemical oceanography and has worked in p...

New binding target for oncogenic viral protein

...rs viruses has been an extremely important tool in understanding the cellular pathways that regulate cell division and are disrupted in cancer. Understanding the mechanisms through which these viruses interact with the cellular machinery that regulates cell division may lead to new insights into the pathways that ...

Fox Chase Cancer Center scientists identify immune-system mutation

...ng undesirable immune reactions, Kappes said. This understanding can further progress against various immune disorders, allergies and certain cancers, such as those of the blood and bone marrow, that involve a compromised immune system. "As one example, a decrease in the number of CD4 T cells is the primary mecha...

Newly-discovered class of genes determines ?and restricts ?stem cell fate

...thinks that this concept may also be important for understanding the cell of origin for a number of tumors. Pax3 is...l reservoir for tissue regeneration. A fundamental understanding of the molecular programs that regulate stem-cell differentiation is necessary for harnessing this p...

Researchers Uncover Key Step In Manufacture of Memory Protein

...emory. Dr. Loh added that, in the near future, an understanding of the chemical mechanism she and her colleagues deciphered in the current study may provide insight into long-term memory deficits. She explained that other researchers have learned that some human beings lack normal CPE due to mutations in the CPE ...

Research advances quest for HIV-1 vaccine

...ng Antibody Consortium (IAVI), which is focused on understanding broadly neutralizing antibodies at the molecular level and transferring this knowledge into the design of vaccines capable of stimulating broadly neutralizing antibodies against globally diverse HIV. According to Dr. Wayne Koff, IAVI Sr. VP for Vacci...

Ecological destruction fuels emerging diseases

...researchers still have a very poor to non-existent understanding of the roles these thousands of parasites play in ...t diseases, something that will require a detailed understanding of their often complex multi-host life cycles. "It's very difficult to link these things up," he sa...

Inexpensive, mass-produced genes core of synthetic biology advances at UH

...alapplications.?Most immediately, examples include understanding the regulation of genefunction. Down the road, these efforts will improve health care,medicine and the environment at a fundamental level.Using current methods, programmed synthesis of a typical gene coststhousands of dollars. Thus, the prospect of c...

Inflammatory molecules released by pollen trigger allergies

...than those from non-allergic individuals. A better understanding of these molecules and how they work may eventually lead to new approaches to treating allergies. ...

“Nano-scissors?laser shows precise surgical capability

...recise surgery ontiny roundworms may be the key to understanding nerve regeneration andis an important step toward treatment of human neurological disease,according to research published in the Dec. 16 issue of Nature. Dr.Adela Ben-Yakar, an assistant professor of mechanical engineering atThe University of Texas ...

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