eNewsletter | July 17th, 2017.

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Scientists replay movie encoded in DNA

“Molecular Recorder” would reveal secrets of brain development...

For the first time, a primitive movie has been encoded in — and then played back from — DNA in living cells. Scientists funded by the National Institutes of Health say it is a major step toward a “molecular recorder” that may someday make it possible to get read-outs, for example, of the changing internal states of neurons as they develop.

The ability to record such sequential events like a movie at the molecular level is key to the idea of reinventing the very concept of recording using molecular engineering, say the researchers. In this scheme, cells themselves could be induced to record molecular events – such as changes in gene expression over time – in their own genomes. Then the information could be retrieved simply by sequencing the genomes of the cells it is stored in.

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The NIH Loan Repayment Programs

The NIH Loan Repayment Programs (LRPs) are a set of programs established by Congress and designed to recruit and retain highly qualified health professionals into biomedical or biobehavioral research careers.

The LRPs counteract that financial pressure by repaying up to $35,000 annually of a researcher's qualified educational debt in return for a commitment to engage in NIH mission-relevant research. Since tomorrow's medical breakthroughs will be made by investigators starting in their research careers today, the LRPs represent an important investment by NIH in the future of health discovery and the wellbeing of the Nation.

Online Application Period Sep 1, 2017 - Nov 15, 2017

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How does an animal with no heart circulate oxygen?

One of the crucial evolutionary developments that permitted multicellular animals to come into being during, or shortly before, the Cambrian period was a circulatory system. Small creatures, consisting of one or a few cells, can absorb enough oxygen for their respiratory requirements directly from the water they inhabit. It simply diffuses into them.

Larger ones, though, need a way of moving the dissolved gas into tissues too far from their body surfaces to be supplied by diffusion alone. Most solve the problem by having a heart that pushes oxygen-rich blood around the body. However Arthur Woods, a biologist at the University of Montana, reports this week in Current Biology that sea spiders employ an alternative tactic. Rather than move oxygen with their hearts, they move it with their guts.

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2018 Postdoctoral Fellowships

HFSP postdoctoral fellowships encourage early career scientists to broaden their research skills by moving into new areas of study while working in a new country..

HFSP fellowships are for three years. Fellows may choose to stay for up to three years in the host country or use the last year of their fellowship to return to their home country or to move to another HFSPO member country.

The next fellowship initiation and submission deadlines are 10th and 24 August 2017 respectively.

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