WATERTOWN, Mass.--(BUSINESS WIRE)--Tetraphase Pharmaceuticals, Inc., a clinical-stage life science company developing a portfolio of potent new antibiotics designed to be effective against dangerous, drug-resistant bacteria, including multidrug-resistant (MDR) gram-negative pathogens, today announced that the Company will present at the 10th Annual Needham Healthcare Conference. Tetraphase President and CEO Guy Macdonald will present for Tetraphase at 3:40 p.m. on Tuesday, April 5, 2011. The Conference will take place at The New York Palace Hotel in New York, New York.