PTB Proteins Induce RNA Looping
Lamichhane, Daubner et al., PNAS
Researchers in the US and Switzerland report that polypyrimidine tract-binding proteins induce RNA looping ― a finding they deduced using FRET, NMR spectroscopy, and in vivo splicing data. They show that two PTB RNA recognition motifs can bind two distant pyrimidine tracts, bringing their 5' and 3' ends in close proximity, thus inducing loop formation.
MoneyTree Reports Overall Drop in Q1 Biotech VC Funding, But Smaller Declines in Boston and Bay Area Clusters
Silicon Valley remained the top US cluster with $210 million in first-quarter venture capital, down a little over 16 percent from the $251 million racked up a year earlier. New England's $149 million in biopharma VC marked a nearly 32 percent fall-off.
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