Skip to main content

Table 6 Biochemical characterization of Gram-negative isolates from unused leech

From: Antibiotic sensitivity and RAPD-PCR studies on cultivable gut bacteria from Indian Medicinal Leech—Hirudinaria granulosa

Sr. no

Isolates →

UTL01

UTL05

UTL09

UTL10

UTL14

Name of test ↓

1

Citrate utilization

-ve

+ve

-ve

+ve

-ve

2

Lysine test

-ve

-ve

-ve

-ve

-ve

3

Ornithin test

-ve

-ve

-ve

-ve

-ve

4

Urease production

+ve

-ve

+ve

+ve

+ve

5

Phenylalanine

+ve

-ve

-ve

-ve

+ve

6

Nitrate reduction

+ve

-ve

+ve

-ve

+ve

7

H2S production

-ve

-ve

+ve

-ve

-ve

8

Glucose utilization

+ve

-ve

-ve

+ve

+ve

9

Adonitol utilization

-ve

-ve

-ve

-ve

-ve

10

Lactose utilization

-ve

-ve

-ve

-ve

-ve

11

Arabinose utilization

-ve

-ve

+ve

+ve

-ve

12

Sorbitol utilization

-ve

-ve

-ve

-ve

-ve

13

MR test

+ve

-ve

-ve

+ve

-ve

14

VP test

-ve

-Ve

-ve

+ve

-ve

15

Oxidase test

+ve

+ve

+ve

+ve

+ve

16

Gelatin hydrolysis

-ve

-Ve

+ve

+ve

+ve

17

Starch hydrolysis

-ve

-Ve

-ve

+ve

-ve

18

Casein hydrolysis

-ve

-Ve

-ve

+ve

+ve

Probable bacteria

P. stutzeri or P. mesophilica

Alcaligenes faecalis

P. putrefaciens

Aeromonas hydrophila

Vibrio. Marinus