پاسخ سوال بالا :
Many bacteria exploit a cell–cell communication mechanism called quorum sensing to regulate the transcription of genes involved in diverse physiologic processes, including bioluminescence, plasmid conjugal transfer, and the production of virulence determinants. Quorum sensing depends on the production of one or more diffusible signal molecules (eg, acetylated homoserine lactone [AHL]) termed autoinducers or pheromones that enable a bacterium to monitor its own cell population density (Figure 1-4). The cooperative activities leading to biofilm formation are controlled by quorum sensing. It is an example of multicellular behavior in prokaryotes.
در مورد مطالب توضیح دادم در درسنامه فصل 2 (مذاکرات حسی)