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Chemical from Soil Bacteria Shows Potential Neuron Toxicity; Has Possible Parkinson's Implications

(PhysOrg.com) -- A chemical produced by common soil bacteria may kill neurons that produce dopamine, according to an article authored by University of Alabama researchers publishing Oct. 6. Dopamine neuron demise leads to ...

Medicine & Health / Neuroscience

created Oct 06, 2009 | popularity 4.7 / 5 (6) | comments 0

How authentic is your pomegranate juice?

You pick up a bottle of pomegranate juice at the store because you've learned that, although it costs more than most juices, it is replete with antioxidants that bring health benefits. But wait: Is the juice ...

Chemistry / Other

created Nov 29, 2010 | popularity 3.8 / 5 (5) | comments 2

Giant cell reveals metabolic secrets

Chemical reactions within the cell produce intermediate and end products in the form of small molecules called metabolites. Using an approach called metabolomics, a Japanese research team led by Kazuki Saito ...

Biology / Cell & Microbiology

created Jan 27, 2012 | popularity 5 / 5 (3) | comments 0

A bit touchy: Plants' insect defenses activated by touch

A new study by Rice University scientists reveals that plants can use the sense of touch to fight off fungal infections and insects. The study, which will be published in the April 24 issue of Current Biology, finds ...

Biology / Plants & Animals

created Apr 09, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

New standard for vitamin D testing to ensure accurate test results

At a time of increasing concern about low vitamin D levels in the world's population and increased use of blood tests for the vitamin, scientists are reporting development of a much-needed reference material ...

Chemistry / Analytical Chemistry

created Jan 25, 2012 | popularity 5 / 5 (2) | comments 0

New metabolic markers may predict preeclampsia in early pregnancy

An international team of scientists and physicians used a combination of sophisticated emerging technologies and data analysis to detect 14 simple metabolites with high accuracy to predict in early pregnancy which women are ...

Medicine & Health / Health

created Sep 13, 2010 | popularity 4.5 / 5 (2) | comments 0

Mammalian aging process linked to overactive cellular pathway

Whitehead Institute researchers have linked hyperactivity in the mechanistic target of rapamycin complex 1 (mTORC1) cellular pathway, to reduced ketone production, which is a well-defined physiological trait of aging in mice.

Medicine & Health / Medical research

created Dec 22, 2010 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Infrared detector unmasks cocaine addicts

A research group at ETH Zurich is currently developing an infrared measuring technique to enable the detection of cocaine and its metabolites in saliva. The initial steps towards a portable measuring device ...

Chemistry / Analytical Chemistry

created Jan 11, 2012 | popularity 4.5 / 5 (2) | comments 4

Metabolite common among cancers

A study published online on February 8 in the Journal of Experimental Medicine reports that several distinct mutations found in a subset of patients with acute myelogenous leukemia (AML) result in excess production of the ...

Medicine & Health / Cancer

created Feb 08, 2010 | popularity 5 / 5 (1) | comments 0

From carnivorous plants to the medicine cabinet?

In the tropics, carnivorous plants trap unsuspecting prey in a cavity filled with liquid known as a "pitcher."

Biology / Cell & Microbiology

created Feb 18, 2010 | popularity 5 / 5 (1) | comments 0

Tiny molecules may tell big story about cardiovascular disease risk

(PhysOrg.com) -- Tiny bits of molecular "trash" found in circulating blood appear to be good predictors of cardiovascular disease and untimely death, say researchers at Duke University Medical Center.

Medicine & Health / Medical research

created Feb 19, 2010 | popularity 5 / 5 (1) | comments 0

New research increases understanding of drug metabolism

Research led by Wayne L. Backes, PhD, Professor of Pharmacology and Associate Dean for Research at LSU Health Sciences Center New Orleans School of Medicine, has found that drug metabolism depends not only upon which enzymes ...

Chemistry / Biochemistry

created Mar 17, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Self-defense strategies of moss: Chemists discover what spoils the appetite of slugs

Slugs are every gardener's enemy: They can destroy overnight, what he has sown and looked after lovingly. But snails don't like all plants in the same way - they shun moss. Why is that so?

Chemistry / Biochemistry

created Jun 10, 2010 | popularity 5 / 5 (1) | comments 0

Seeing kidney injury, as it happens

The current check for kidney disease is a simple blood test for serum creatinine, but it can take longer than two days for this metabolite to accumulate to levels that are significant enough to indicate kidney damage - and ...

Medicine & Health / Diseases, Conditions, Syndromes

created Jan 31, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Finding the correct dosage of medication by breath analysis

Using a mass spectrometric method, ETH Zurich researchers are able to measure metabolites of a common epilepsy medication directly in exhaled breath. This simplifies testing of patients and represents a step ...

Chemistry / Analytical Chemistry

created Mar 14, 2011 | popularity 5 / 5 (1) | comments 0

Metabolite

Metabolites are the intermediates and products of metabolism. The term metabolite is usually restricted to small molecules. A primary metabolite is directly involved in normal growth, development, and reproduction. Alcohol is an example of a primary metabolite produced in large-scale by industrial microbiology. A secondary metabolite is not directly involved in those processes, but usually has an important ecological function. Examples include antibiotics and pigments. Some antibiotics use primary metabolites as precursors, such as actinomycin which is created from the primary metabolite, tryptophan.

Examples of primary metabolites produced by industrial microbiology:

The metabolome forms a large network of metabolic reactions, where outputs from one enzymatic chemical reaction are inputs to other chemical reactions.

Metabolites from chemical compounds, whether inherent or pharmaceutical, are formed as part of the natural biochemical process of degrading and eliminating the compounds. The rate of degradation of a compound is an important determinant of the duration and intensity of its action. Profiling metabolites of pharmaceutical compounds, drug metabolism, is an important part of drug discovery, leading to an understanding of any undesirable side effects.

For more information about Metabolite, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.