Rhodospirillum rubrum

例句：

1. 1. Rhodospirillum rubrum is a type of bacteria that can be found in soil and water.
   红螺菌是一种可以在土壤和水中发现的细菌。
2. 2. Rhodospirillum rubrum has been studied for its potential health benefits.
   红螺菌因其潜在的健康益处而受到研究。
3. 3. The discovery of Rhodospirillum rubrum could lead to new antibiotics.
   发现红螺菌可能会带来新的抗生素。