Kelsey, 18, California.
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San Francisco State University
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Treehouse Point by (Alex Levine Photography)

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blue sur by dancearoundaworldburningdown on Flickr.

untitled by *dapple dapple on Flickr.

A Moveable Yeast: modeling shows proteins never sit still
Our body’s proteins – encoded by DNA to do the hard work of building and operating our bodies – are forever on the move. Literally, according to new findings reported by Trey Ideker, PhD, chief of the Division of Genetics in the UC San Diego School of Medicine, and colleagues in a recent issue of the Proceedings of the National Academy of Sciences.
Hemoglobin protein molecules, for example, continuously transit through our blood vessels while other proteins you’ve never heard of bustle about inside cells as they grow, develop, respond to stimuli and succumb to disease.
To better understand the role of proteins in biological systems, Ideker and colleagues developed a computer model that can predict a protein’s intracellular wanderings in response to a variety of stress conditions.
To date, the model has been used to predict the effects of 18 different DNA-damaging stress conditions on the sub-cellular locations and molecular functions of more than 5,800 proteins produced by yeasts. They found, for example, that yeast proteins could move from mitochondria to the cell nucleus and from the endoplasmic reticulum to Golgi apparatus.
Though the model debut involved yeasts, researchers said the coding can be adapted to study changes in protein locations for any biological system in which gene expression sequences have been identified, including stem cell differentiation and drug response in humans.
Image courtesy of Material Mavens

Glacier Bay’s Glaciers by fsong 
Glacier Bay National Park, Alaska, USA

Sequoia National Park by Valerie Manne on Flickr.

Jenny and the summer day

Twin Falls Trail, North Bend, WA

Himalayas, Nepal

Dethroned. ✝ on We Heart It.

No I don’t want to listen to your travel plans after this job ends
No I don’t want to think about what happens in less than three weeks

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foggy morning by Helminadia

Bergkristall | By Fr4dd