Figure 1From: Purification and partial genome characterization of the bacterial endosymbiont Blattabacterium cuenoti from the fat bodies of cockroachesPurification of B. cuenoi cells by two-layered Percoll centrifugation. B. cuenoti cells (arrow) between two layers of the Percoll solutions after centrifugation at 12,000 × g for 20 min.Back to article page