is moraxella catalase positive
CHARACTERISTICS: The genus Moraxella is a member of the family Moraxellaceae; these are coccobacillary gram negative rods that are usually in short chains or pairs(1,2). For the most part, they are non-motile in liquid; however, some species have a twitching mobility(2). Species that are rod shaped range from 1.0-1.5 x 1.5-2.5 Î¼m in size and species that are cocci shaped are 0.6-1.0 Î¼m in diameter(2). Most species are aerobic, and oxidase and catalase positive(2).