A plant’s immune system can recognize whether a piece of RNA is an invader or not based on whether the RNA has a threaded bead-like structure at the end, say University of Tokyo researchers. Their finding provides an answer to the quarter-century-old question of why RNAs belonging to the plant escape its self-defence mechanism, paving the way for future biotechnological techniques to modify crops. Our immune system protects us from diseases and infections by fighting off viruses and other foreign substances. Plants…
LOS ANGELES: George Foreman no longer wonders why a devastating defeat at the hands of Muhammad Ali in the fabled Rumble in the Jungle of 1974 proved the catalyst for an enduring friendship.
WASHINGTON: US President Barack Obama on Sunday headed for his first visit to Vietnam, a trip aimed at sealing the transformation of an old enemy into a new partner to help counter China’s growing assertiveness in the region.