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Assemblage in Medical News

University of Pennsylvania study reveals inconspicuous hosts in the Lyme disease epidemic

...ase, this host has been the white-footed mouse. Data are beginning to accumulate to suggest that the story is much more complex, mice being one of an assemblage of vertebrate species contributing to feeding ticks and transmitting B. burgdorferi. Deer, a popular culprit of the Lyme disease epidemic, play a rat...

Scientists Uncover Complex Workings of Sperm

...ecipes of the sperm of different species including human. Until now, scientists have only known about a handful of proteins that are part of the assemblage of biological molecules, which make up a sperm cell. Source-IANS...

Species Linking Fish And Land Animals Found

...ogists from the Academy of Natural Sciences in Philadelphia, the University of Chicago and Harvard University. Although the team has amassed a diverse assemblage of fossil fish, Shubin said, the discovery of these transitional fossils in 2004 was a vindication of their persistence. The scientists asked the Nuna...
Assemblage in Medical Dictionary

Bacteria

...er internal structures and are therefore ranked among the unicellular life-forms called prokaryotes. Prokaryotes are the... The human flora is the assemblage of microrganisms that constantly and consistently inhabit the human body. They include bacteria , fungi and archaea. Some of these organisms are know...
Assemblage in Biological News

Down Under dinosaur burrow discovery provides climate change clues

...ria coast, which marks the seam where Australia once snuggled against Antarctica. Lower Cretaceous strata of Victoria have yielded the best-documented assemblage of polar dinosaur bones in the world. During a hike to a remote site known as Knowledge Creek, west of Melbourne, Martin rounded the corner of an o...

CSHL scientists find a new class of small RNAs and define its function

... At the conclusion of the Human Genome Project in 2003, scientists published a final draft of the DNA sequence found within healthy human cells an assemblage of roughly 3 billion "As" "Ts" "Cs" and "Gs." While justifiably proud of the feat, genome scientists knew that the most interesting part of their tas...

January GEOLOGY media highlights

...ira, Paralia, Rhizosolenia, Skeletonema, Stephanopyxis, Trochosira, and ?Aulacoseira (some of these likely represented by several species). The diatom assemblage is mainly composed of colonial planktonic genera, which are typical for coastal shallow waters. Girard et al. find that these amber inclusions extend ...

Experts agree: to protect the environment, biofuel standards are needed

... Weathers notes, "There is the real potential for science to inform sustainable cellulosic crop strategies; it's about picking the right plant, or assemblage of plants, for a given landscape and managing crops in a minimally invasive way." No-till farming can slow erosion and enrich soil; cover crops can se...

RV Polarstern on its way to East Siberian Sea

...tems of currents in the Arctic Ocean. Changes to marine currents also affect the biotic environment. This is why biologists investigate the species assemblage in samples of various regions and depths and compare them with measurements taken in the 1990ies. This way they can deduce, for instance, whether a ch...

Nitrogen: Nutrient of life

...garded scientists who work at the forefront of research in nitrogen management. Scientists, practitioners, and students will benefit greatly from this assemblage of in-depth knowledge of nitrogen management," says Kenneth Moore, President of the American Society of Agronomy. Nitrogen in Agricultural Systems ...

Climate change hastens extinction in Madagascar's reptiles and amphibians

...vailable concerning climate impacts on biodiversity for tropical regions. Raxworthy has been surveying the diversity of Madagascar's herpetological assemblage since 1985 and discovered the uphill migration almost by chance while in the field. On repeated surveys of northern Madagascar's mountains, the Tsarat...

Explorers marvel at 'Brittlestar City' on seamount in powerful current swirling around Antarctica

...the seamounts flanks, filmed waving arms in the current to collect passing food, were likely Ophiacantha rosea. We were excited to see such a huge assemblage of brittlestars on the Macquarie Ridge seamount. Not only is it amazing to see a vast array of one type of organism but the implications of the find f...

New dinosaur from Mexico offers insights into ancient life on West America

...ive Velociraptor-like predators armed with sickle-claws on their feet. As well as an abundance of fossilized bones, researchers discovered the largest assemblage of dinosaur track ways known from Mexico, a large area crisscrossed with the tracks of different kinds of dinosaurs. In all, the emerging picture is o...

Liang receives NIH grant for biofilm research

...) Liang, Associate Professor in the Department of Chemistry and Chemical Biology, will serve as the projects Principal Investigator. A biofilm is an assemblage of microbial cells that is irreversibly associated with a surface. Bacteria in biofilm show unique physiological characteristics that are much differe...
Assemblage in Biological Technology

Analysis of Bacterial Assemblage Genetic Diversity in Environmental Samples Using the DCode System

Derek Cody and Laura G. Leff, Department of Biological Sciences, Kent State University, Kent, Ohio Introduction Assessing bacterial genetic diversity in natural environments is problematic because of difficulties in culturing native ba...

Microscopic 'clutch' puts flagellum in neutral

...re about the genes that cause individual cells of B. subtilis to cease wandering in solitude and take up residence in a massively communal, stationary assemblage called a biofilm. The stability of biofilms can be jeopardized by hyperactive bacterial cells whose flagella continue to spin. "We were trying to ...
Assemblage in Biological Definition

Polymerase chain reaction

...ntamination from other DNA present in lab environment (bacteria, viruses, own DNA etc.) should be taken. Thus DNA sample preparation, reaction mixture assemblage and the PCR process, in addition to the subsequent reaction product analysis, should be performed in separate areas. For the preparation of reaction m...

Quaternary structure

... In biochemistry , many proteins are actually assemblies of more than one protein molecule , which in the context of the larger assemblage are known as protein subunits . In addition to the tertiary structure of the subunits, multiple-subunit proteins possess a quaternary structure , ...
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