Bacillus subtilis strain NRS 231

Bacillus subtilis strain NRS 231 is a Gram-positive, rod-shaped bacterium known for its ability to sporulate, allowing it to withstand adverse environmental conditions. This strain optimally grows at a temperature of 25.0°C and is classified as facultatively anaerobic, indicating that it can thrive in both aerobic and anaerobic environments. As a host-associated microbe, B. subtilis NRS 231 plays a potential role in the microbiota of its associated hosts, contributing to various biological processes, such as nutrient cycling and the maintenance of microbial diversity. The sporulation capability of this strain is particularly noteworthy, as it allows B. subtilis NRS 231 to enter a dormant state, surviving extreme conditions that would otherwise be detrimental to non-sporulating cells. This trait is critical for its resilience in fluctuating habitats and may facilitate its persistence within host environments. Moreover, the facultative nature of this bacterium suggests an adaptive advantage, enabling it to exploit a range of ecological niches depending on oxygen availability. Overall, the unique combination of its Gram-positive structure, rod shape, sporulation ability, and adaptability to varying oxygen levels positions Bacillus subtilis strain NRS 231 as a significant organism in host-associated microbial communities, potentially influencing the health and stability of its ecosystems.