Which organism is recognized as a model bacterium for molecular genetics?

Escherichia coli is widely recognized as a model organism for molecular genetics due to several key factors. Firstly, it has a well-characterized genome, making it easier for researchers to manipulate genetically. Its plasmids and ability to replicate DNA efficiently play a critical role in genetic engineering and cloning applications.

Additionally, E. coli has a rapid growth rate, allowing for the rapid generation of large populations, which is beneficial for experimental studies. Its genetic pathways and regulatory mechanisms have been extensively studied, providing a solid framework for understanding fundamental biological processes.

Furthermore, the tools and methodologies developed for studying E. coli, such as various strains engineered for particular experiments, make it a versatile model. The vast amount of research conducted on this bacterium has led to significant advances in our understanding of molecular biology, genetics, and biochemistry, establishing it as the standard model organism in these fields.