Effects of Detergents, Ions, and Organic Solvents on the Activity of Four Bacillus clausii Pectinases

Year 2020, Volume: 16 Issue: 4, 387 - 392, 30.12.2020

Sevinç Berber Serap Çetinkaya

Abstract

Four different pectinolytic enzyme activity essays were employed to detect different pectinases of Bacillus clausii from an extracellular protein cocktail. The mixture was obtained by ethanol precipitation. Each of the essays produced a positive result, indicating the presence of pectate lyase (PGL), pectin lyase (PL), pectin methyl esterase (PME), and polygalacturonase (PG). Activities of these enzymes were then assessed at differing concentrations of NaCl, detergents (SDS and tweens), ion chelators, and organic solvents. Results, presented as histograms, were the indication of original findings, as most of them were new to the relevant literature.

Keywords

Bacillus clausii, ionic strength tolerance, organic solvent tolerance, , pectinase activity, salt tolerance

Project Number

F-558 and F-597

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