Bacteria Characteristics Indole oxidase VP Cell Catalase rea

Bacteria Characteristics Indole oxidase VP Cell Catalase reaction Shape or Classification or or organism Alcaligenes Klebsiella axtoca Facultative anaerobe Streptococcus Staphylococcus epidermidis Kocuria rhizophila Facultative anaerobe Bacillus subtilis

Solution

ANS: Bacteria Characteristics:

1. Alcaligenes faecalis:

Gram negative

Rod shape

Catalase Positive

Obligate aerobe

Indole negative

Oxidase positive

Found in humid areas of hospital

2. Enterobacter aerogenes:

Gram negative

Rod shape

Catalase Positive

Facultative anaerobe

Indole negative

Oxidase negative

Voges proskauer (VP) Negative

Found in human gastro intestinal tract

3. Escherichia coli

Gram negative

Rod shape

Catalase Positive

facultative anaerobe

Indole Positive

Oxidase negative

Voges proskauer (VP) Negative

Found in human intestine

4. Klebsiella oxytoca

Gram negative

Rod shape

Catalase Positive

Facultative anaerobe

Indole Positive

Oxidase negative

Voges proskauer (VP) Positive

Found as plant host.

5. Streptococcus mutans

Gram positive                  

Round bacteria

Catalase negative

Facultative anaerobe

Found in tooth decay

6. Staphylococcus epidermidis

Gram positive

arranged as grape like cluster

Catalase Positive

Facultative anaerobe

Found in skin flora.

7. Kocuria rhizophila

Gram positive

Cocci shaped

Catalase Positive

Facultative anaerobe

Found in soil

8. Bacillus subtilis

Gram positive

Cocci shaped

Catalase Positive

Rod shaped

Facultative anaerobe

Found in soil and gastrointestinal tract of human