Biochemical Test of Edwardsiella tarda

Biochemical Test of Edwardsiella tarda

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Some of the characteristics are as follows:

Basic Characteristics Properties (Edwardsiella tarda)
Catalase Positive (+ve)
Citrate Negative (-ve)
Flagella Peritrichous
Gas Positive (+ve)
Gelatin Hydrolysis Negative (-ve)
Gram Staining Gram-negative
Growth in KCN Negative (-ve)
H2S Positive (+ve)
Indole Positive (+ve)
Motility Positive (+ve)
MR (Methyl Red) Positive (+ve)
Nitrate Reduction Positive (+ve)
Oxidase Negative (-ve)
Shape Straight Rods
TSIA (Triple Sugar Iron Agar) K/A
Urease Negative (-ve)
VP (Voges Proskauer) Negative (-ve)

Fermentation of

Adonitol Negative (-ve)
Arabinose Variable
Arabitol Negative (-ve)
Cellobiose Negative (-ve)
DNase Negative (-ve)
Dulcitol Negative (-ve)
Glucose Positive (+ve)
Glycerol Negative (-ve)
Inositol Negative (-ve)
Lactose Negative (-ve)
Malonate Negative (-ve)
Maltose Positive (+ve)
Mannitol Variable
Melibiose Negative (-ve)
Raffinose Negative (-ve)
Rhamnose Negative (-ve)
Salicin Negative (-ve)
Sorbitol Negative (-ve)
Starch Negative (-ve)
Sucrose Variable
Trehalose Negative (-ve)
Xylose Negative (-ve)

Enzymatic Reactions

Aesculine Hydrolysis Negative (-ve)
Amylase Negative (-ve)
Arginine Dehydrolase Negative (-ve)
Esculin Hydrolysis Negative (-ve)
Beta-Glucuronidase Negative (-ve)
Lipase Negative (-ve)
Lysine Decarboxylase Positive (+ve)
ONPG (β-galactosidase) Negative (-ve)
Ornithine Decarboxylase Positive (+ve)
Phenylalanine Deaminase Negative (-ve)
L-Pyrrolidonyl aminopeptidase Negative (-ve)

References

  1. Bergey’s Manual of Systematic Bacteriology Volume 2: The Proteobacteria, Part B: The Gammaproteobacteria
  2. https://www.vetbact.org/index.php?artid=173
  3. https://www.omicsonline.org/open-access/isolation-and-identification-of-edwardsiella-tarda-from-lake-zeway-andlangano-southern-oromia-ethiopia-2150-3508-1000184.php?aid=82827
  4. https://www.researchgate.net/figure/Biochemical-characterization-of-Edwardsiella-tarda-isolated-from-septicemic-catfish_tbl1_321006417

About Author

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Sagar Aryal

Sagar Aryal is a microbiologist and a scientific blogger. He is currently doing his Ph.D. from the Central Department of Microbiology, Tribhuvan University in collaboration with Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. He did his M.Sc. in Microbiology and B.Sc. in Microbiology from St. Xavier’s College, Kathmandu, Nepal. He worked as a Lecturer at St. Xavier’s College, Maitighar, Kathmandu, Nepal, from March 2017 to June 2019. He is interested in research on actinobacteria, myxobacteria, and natural products. He has published more than 15 research articles and book chapters in international journals and well-renowned publishers.

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