EVALUATION OF BIOCHEMICAL METHODS FOR BACTERIAL IDENTIFICATION: INSIGHTS FROM MICROPLATE ASSAYS

Main Article Content

Amina Farrukh Alavi
Anirudh Gupta
Maryam Naz
Maryam Shahnaz Masoud Khan
Tariq Rafique
Naseem Tariq
Muhammad Muazim Sharif
Likowsky Desir

Keywords

Microplate, Biochemical Testing, Bacteria, Microplate Assays, Bacterial Identification.

Abstract

Background: Bacterial infections present a persistent threat to global health, encompassing a spectrum of diseases ranging from minor ailments to life-threatening conditions—effective treatment hinges upon accurately identifying the causative bacteria. Traditional biochemical analysis is a cornerstone for bacterial classification based on metabolic and biochemical characteristics. This analysis commonly uses critical indicators such as color changes, turbidity, and pH alterations.


Methods: This study employed biochemical testing targeting lactose, fructose, glucose, sucrose, and maltose to complement microplate-based assays in confirming bacterial metabolic traits. Microplates were utilized to assess color changes indicative of carbohydrate metabolization by bacteria.


Results: Contrary to expectations, microplate test results failed to exhibit the anticipated color alterations corresponding to bacterial sugar metabolization. In contrast, traditional tube-based experiments successfully detected the anticipated yellow color indicative of bacterial fermentation processes within carbohydrate substrates.


Conclusion: The discrepancy between microplate and tube-based test outcomes underscores potential limitations in microplate assays for evaluating bacterial metabolic activities. This finding emphasizes the necessity for further refinement and validation of testing methodologies to ensure accurate bacterial identification and characterization in clinical and research settings.

Abstract 57 | PDF Downloads 17

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