VetBact - 'Easy' G Quiz

Question

Species/subspecies	G+	G-
Which of the following bacteria is/are Gram positive (G+) and which ones are Gram negative (G-)?
Yersinia pestis:
Chlamydia trachomatis:
Burkholderia mallei:
Lawsonia intracellularis:
Clostridium perfringens:
Campylobacter fetus fetus: