Author(s):

Raina Bajpai, Prahlad Masurkar, Jhumishree Meher and Rahul Singh Rajput

Abstract: Pseudomonas is one of the utmost learn species of bacteria. It was first identified at the end of 19th century by Migula as Gram-negative, rod-shaped and polar-flagellated bacteria. This followed the description of genus Pseudomonas in wide manner. With the advancement of new technologies detail study regarding the morphology and physiology of these bacteria was made possible, whereas the morphological characteristics of Pseudomonas are similar to many bacterial genera and thus are of little value in the positive identification of members of the genus. To discriminate it from other similar genera advanced nucleic acid-based methods are utilized which disclose taxonomic relationships among different bacterial species including Pseudomonas. Variability among Pseudomonas draw attention for vast research interest in this genus. So, this review focuses on the three most explored species of Pseudomonas naming P. aeruginosa: a human pathogen showing enhanced antibiotic resistance, Pseudomonas syringae: most destructive phytopathogen and P. fluroscenscs: an efficient biocontrol agent to understand the morphology, biochemical and different mechanisms adapted by the Pseudomonas which ultimately will create an idea of its diversity.

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