Nonfermenting Gram Negative Rods

Question 1

What species is fusiform shaped, gram negative, oxidase negative, produces finger-like projections with “gliding motility” and can cause peridontal disease?

Answer 1

Capnocytophaga ochracea

Question 2

What three pseudomonas species are part of the fluorescent group?

Answer 2

P. aeruginosa, P. putida, P. fluorescens

Question 3

What organism produces pyocyanin?

Answer 3

P. aeruginosa

Question 4

What organisms produces pyoverdin

Answer 4

P. aeruginosa, P. putida, P. fluorescens

Question 5

The MAJORITY of Burkholderia species are ____ (motile/non-motile). This excludes B. mallei.

Answer 5

Motile - polar flagella

B. mallei is non-motile

Question 6

Burkholderia mallei is the causative agent of what?

Answer 6

Glanders

Question 7

Burkholderia pseudomallei causes what disease?

Answer 7

Melioidosis

Question 8

Burkholderia pseudomallei and B. mallei are category ___ biothreat agents

Answer 8

B

Question 9

What GNR-NFB are NON-MOTILE & oxidase NEGATIVE

Answer 9

Acinetobacter, Bordatella HOLMESII, B. PARAPERTUSSIS

Question 10

B.cepacia is oxidase _____ and _____ (motile/non-motile)

Answer 10

Oxidase positive, motile

Question 11

What color are B.cepacia colonies

Answer 11

Gray or yellow

Question 12

B.cepacia is ______ (resistant/sensitive) to polymyxin B and Colistin

Answer 12

Resistant

Question 13

Steno maltophilia is oxidase ___, ____ (motile/non-motile), lysine decarboxylase _____ (pos/neg)

Answer 13

negative, motile, positive

Question 14

What characteristic is UNIQUE to Flavobacteriacae (Elizabethkinga & Chryseobacterium meningoseptica) among the nonfermenters?

Answer 14

Indole production