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All HIV not created equal: Scientists believe they can identify which viruses cause infection

ANN ARBOR — HIV-infected people carry many different HIV viruses and all have distinct personalities—some much more vengeful and infectious than others.

Yet, despite the breadth of infectivity, roughly 76 percent of HIV infections arise from a single virus. Now, scientists believe they can identify the culprit with very specific measurements of the quantities of a key protein in the HIV virus. (more…)

What’s that Noise?

By Guest PostSeptember 26, 2012Scienceabhyudai singh, brandon razooky, cell, delaware, expression, gene, hiv, hiv virus, human, immunodeficiency virus, leor weinberger, mrnas, new method, noise, protein level, roy dar, san francisco, source, university, variability

Paper describes new method to understand sources of noise in gene-expression

Abhyudai Singh, assistant professor of electrical and computer engineering at the University of Delaware, describes a new method to understand sources of “noise” in gene-expression that create variability in protein levels in a paper published in Molecular Systems Biology, a publication of Nature, on Aug. 28.

This noise is expressed as variability in the levels of proteins/mRNAs in a cell. (more…)

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All HIV not created equal: Scientists believe they can identify which viruses cause infection

What’s that Noise?