Sinorhizobium meliloti strain USDA1025

Sinorhizobium meliloti strain USDA1025 is a gram-negative, aerobic bacterium characterized by its rod shape and mobility, attributed to the presence of flagella. This strain thrives optimally at a temperature of 25°C, placing it within the mesophilic range. Notably, it contains one replicon, which is typical for many bacterial species. This strain of Sinorhizobium is known for its symbiotic relationships with a variety of host plants, particularly legumes. Its primary hosts include Medicago truncatula and Medicago sativa, though it is also associated with other genera such as Cicer (chickpeas), Indigofera, Phaseolus (beans), Acacia, Glycine, Melilotus, Trigonella, and additional species within the Medicago genus. These associations are essential for nitrogen fixation, a critical process that enhances soil fertility and supports plant growth. The diverse habitat of Sinorhizobium meliloti strain USDA1025 indicates its adaptability to different environmental conditions, which is beneficial for agricultural practices, particularly in legume cultivation. By forming nodules on the roots of its host plants, this bacterium plays a vital role in the nitrogen cycle, contributing to ecosystem health and sustainability. The relationships established by S. meliloti are not only significant for the plants involved but also for the broader ecological community, as they help maintain soil nutrient levels and promote biodiversity.