VetBact - G Quiz

Question

Species/subspecies	G+	G-
Which of the following bacteria is/are Gram positive (G+) and which ones are Gram negative (G-)?
Trueperella pyogenes:
Neisseria animaloris:
Listonella anguillarum:
Escherichia coli:
Chlamydia psittaci:
Porphyromonas levii: