Biochemical characterization of N-methylcarbamate pesticide biodegradation by an methylotropic isolate

Effects of Microwave-Infrared Combination Drying on Quality of Eggplants Aydogdu, Ayca; Şümnü, Servet Gülüm; Şahin, Serpil (2015-06-01) The objective of this study was to investigate the effects of hot-air drying and microwave-infrared combination drying on drying characteristics and quality parameters of eggplants. Eggplant slices were dried by using microwave-infrared combination oven at different microwave powers (30, 40, and 50 %) and different infrared (IR) powers (10, 20, and 30 %). Hot-air drying was performed in a tray dryer at 50 A degrees C with an air velocity of 1.5 m/s. As quality parameters, color, rehydration ratio, shrinkage...
Enhanced recovery of silver from Artvin-Kafkasor ore by microbial treatment Salameh, M; Özcengiz, Gülay; Atalay, U; Ozbayoglu, G; Alaeddinoglu, NG (1999-06-23) In the Artvin-Kafkasor ore deposit gold and silver are the main precious metals and are associated with quartz and limonite. In the present investigation, a fungal culture isolated from a mine water was tested under laboratory conditions for its bioleaching potential for enhancing silver recovery prior to cyanidation. The silver recovery was expressed as both the silver dissolved after biotreatment and that recovered after cyanidation following biotreatment. Silver recovery increased as a function of fungal...
Biomechanical modelling of the interphalangeal joints of the human hand Yatağan, Koray Melih; Tönük, Ergin; Leblebicioğlu, Gürsel; Department of Mechanical Engineering (2021-7-15) In this study, the development process of a 3D unconstrained model of the interphalangeal (IP) joints is presented. The model agrees with the experimental studies. It can explain the change in the axis of the IP joints, the non-linear relationship between the tendon excursion and the flexion angle, the coordination between the IP joints and the tendon forces corresponding to the flexion angle. Furthermore, some controversial topics in the literature are investigated using the model, and four theses are deve...
Enzymatic hydrolysis by transition-metal-dependent nucleophilic aromatic substitution Kalyoncu, Sibel; Heaner, David P.; Kurt, Zöhre; Bethel, Casey M.; Ukachukwu, Chiamaka U.; Chakravarthy, Srinivas; Spain, Jim C.; Lieberman, Raquel L. (2016-12-01) Nitroaromatic compounds are typically toxic and resistant to degradation. Bradyrhizobium species strain JS329 metabolizes 5-nitroanthranilic acid (5NAA), which is a molecule secreted by Streptomyces scabies, the plant pathogen responsible for potato scab. The first biodegradation enzyme is 5NAA-aminohydrolase (5NAA-A), a metalloprotease family member that converts 5NAA to 5-nitrosalicylic acid. We characterized 5NAA-A biochemically and obtained snapshots of its mechanism. 5NAA-A, an octamer that can use sev...
Cloning and expression ofbenzaldehydelyase from Pseudomonas fluorescens Biovar I in Pichia pastoris Büyüksungur, Arda; Çalık, Pınar; Department of Biotechnology (2006) Benzaldehyde lyase (BAL, EC 4.1.2.38) from Pseudomonas fluorescens Biovar I, a thiamine pyrophosphate (ThDP) dependent enzyme, catalyzes the enzymatic kinetic resolution of racemates by C-C bond cleavage and concomitant C-C bond formation. In this study, benzaldehyde lyase gene from Pseudomonas fluorescens Biovar I was cloned into Pichia pastoris, with the aim of the extracellular production of the enzyme. For this purpose, firstly, PCR amplified bal gene was cloned into an integration vector pPICZalphaA. T...

Citation Formats

C. Halıcıgil, “Biochemical characterization of N-methylcarbamate pesticide biodegradation by an methylotropic isolate,” Ph.D. - Doctoral Program, Middle East Technical University, 2001.