How H. pylori Reads Stomach Acid Levels (image) University of Oregon Share Print E-Mail Caption H. pylori's acid receptor TlpB is seen to the left and right side of the bacterium. This outward-reaching receptor helps H. pylori navigate away from high levels of stomach acid. Credit Courtesy S. James Remington Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.