8.12 Signal Transduction:Mechanism of chemotaxis趋化性的机理：信号转导 Sensory proteins in the cell membrane细胞膜上有传 感蛋白 sense concentration changes of stimulus over time as cell moves.作用：通过时间变化来感应刺激物浓度变化. They are called methyl-accepting chemotaxis proteins (MCPs),or receptor-transducer proteins,or simply transducers.这些传感蛋白被称为甲基受体趋化蛋白 (MCP)或受体转导蛋白或转导蛋白. Chen Feng,Shanghai Jiao Tong UniversityChen Feng, Shanghai Jiao Tong University 8.12 Signal Transduction: Mechanism of chemotaxis 趋化性的机理：信号转导 Sensory proteins in the cell membrane细胞膜上有传 感蛋白 • sense concentration changes of stimulus over time as cell moves.作用: 通过时间变化来感应刺激物浓度变化. • They are called methyl-accepting chemotaxis proteins (MCPs), or receptor-transducer proteins, or simply transducers. 这些传感蛋白被称为甲基受体趋化蛋白 (MCP) 或受体转导蛋白或转导蛋白