Fig. 2From: An unusual case of Cardiobacterium valvarum causing aortic endograft infection and osteomyelitisGram staining. Microscopic morphology in gram staining of blood culture after 96 h of aerobic incubation at 37 °C demonstrating bipolar-staining gram-negative bacilli. 16S ribosomal RNA (rRNA) sequencing subsequently identified the organism as Cardiobacterium valvarumBack to article page