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 doing his Ph.D. at the Central Department of Microbiology, Tribhuvan University, Kathmandu, Nepal. He was awarded the DAAD Research Grant to conduct part of his Ph.D. research work for two years (2019-2021) at Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. Sagar is interested in research on actinobacteria, myxobacteria, and natural products. He is the Research Head of the Department of Natural Products, Kathmandu Research Institute for Biological Sciences (KRIBS), Lalitpur, Nepal. Sagar has more than ten years of experience in blogging, content writing, and SEO. Sagar was awarded the SfAM Communications Award 2015: Professional Communicator Category from the Society for Applied Microbiology (Now: Applied Microbiology International), Cambridge, United Kingdom (UK).

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