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This Week in Nature: May 31, 2007

A news item reports on the discovery by two different labs of microRNAs in single-celled green algae.

This paper from Peter Tessier and Susan Lindquist at the Whitehead Institute for Biomedical Research demonstrates that particular sequence elements appear necessary to switch proteins to their prion state. There's also a perspective piece on prion studies from Witold Surewicz at Case Western Reserve University.

Another paper, this one from lead authors Brian Yeh and Robert Rutigliano, explores the hypothesis that the evolution of new guanine nucleotide exchange factors provides "a mechanism for linking the core cytoskeletal machinery to a wide range of new control inputs."


The Scan

mRNA-Based Vaccine on the Way in China

China may soon have its own mRNA-based vaccine, according to Nature News.

Arranged Killing, Fraud Alleged by Prosecutors

The Wall Street Journal reports that prosecutors allege that the co-founder of a biotech arranged to have a business associate who threatened to expose him as a fraud killed.

Whirlwind Decade of CRISPR

The New York Times looks back at the 10 years since the University of California, Berkeley's Jennifer Doudna and her colleagues published their CRISPR paper.

PNAS Papers on Blue Cone Monochromacy Structural Variants, HIV-1 Mutant, T-ALL

In PNAS this week: structural variants linked to blue cone monochromacy, HIV-1 variants affecting the matrix protein p17, and more.