Buradasınız

Partial Purification And Characterization Of The DCSA (3, 6-Dichloro Salicylic Acid) Converting Enzyme In Pseudomonas xanthomonas maltophilia (PXM)

Journal Name:

Publication Year:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
The DCSA converting enzyme investigated in this study is probably a monooxygenase enzyme system that converts 3,6-dichlorosalicylic acid (DCSA) to 3,6-dichloro 2,5-dihydroxysalicylic acid (DCHSA). The DCSA converting enzyme was purified by a two step procedure that utilized ammonium sulfate fractionation (AS) and gel filtration chromatography. NADH and Mg++ stimulated the activity of the purified enzyme. An estimated MW of 82,000 kD for the enzyme was obtained by gel filtration.
Abstract (Original Language): 
Bu çalışmada 3,6- di kloro salisilik asidi DCSA) 3, 6-dididroksi salisilik aside (DCHSA) dönüştüren muhtemel monooksijenaz enzimi üzerinde çalışıldı. DCSA yi dönüştüren enzim iki farklı adımda amonyum sülfat ve jel filtrasyonuu yoluyla saflaştırıldı. NADH ve Mg kısmi olarak saflaştırilan enzimin aktivitesini artırdı. Enzimin molekül ağırlığı yaklaşık olarak 82000 kD olarak hesaplandı.
61-72

REFERENCES

References: 

1- Bollag, J., M (1974) Microbial Transformation of Pesticides, Microbial Adv. Appl.,
18: 75-130.
2- Cork, D.J., Khalil, A. and Ofiara, K.R. (1992). Bioremediation of Dicamba variety of
Chlorinated Aromatic Pesticides and Herbicides. IGT Symposium. August, Chicago, IL.
3- Ofiara, K. R. (1990). Development of an Enzyme-Linked Immunosorbant Assay for the
Detection of the Chlorinated Pesticide Dicamba. M.S. Thesis. Illinois Institute of Technology.
4- Cork, D.J. and Krueger, J.P. (1991). Microbial Transformation of Herbicides and
Pesticides. Advances in Appl. Microbiol. 36: 1-66. 5 - Stainer, R., Pallerone, N. J., Deudofoff, M. (1966). The Aerobic Pseudomonas: A Taxonomic Study, J. Gen. Microbiol. 43: 159-271.
6- Sanchez, J. S. (1992). Metabolic Regulation of Dicamba Degrading Activity In Whole
Cell Cultures of Pseudomonas maltophilia, M.S. Thesis, Illinois Institute of Technology.
7- Johnson, B. F. and Stainer, R. Y. (1971). Dissimilation of Aromatic Compounds by
Alcaligens europhus, J. BacterioL 107: 468-475.
71
8- Krueger, J. P. (1989). Development of Microbes for Degradation of Herbicide Dicamba.
Ph.D. Dissertation, Illinois Institute of Technology.
9- Hartman, J., Reineke, W. and Knackmus, H.J. (1979). Metabolism of 3-chloro-4-chloro and 3, 5- dichlorobenzoate by Pseudomonas. Appl. Environmen. Microbiol. 37: 421-428 .
10- Weeks, D. P., Herman, P. L. and Li, X. W. (1997). A Three- Component Enzyme
System Catalyzes the O Demethylation of the Herbicide Dicamba in Pseudomonas maltophilia DI-6. Appl. Environ. Microbiology. 63: 1623-1626.
11- Alkhleifat, K. (1999). 2, 4- Dioxygenase Purification from Recombinant E. coli Strain
PFJS39, Its Characterization, and Interaction with Vitreocilla Hemoglobin, Ph.D. Thesis Illinois Institute of Technology.
12- Fetzner, S., Muller, R. and Lingens, F. (1992). Purification and Some Properties of 2-
Halobenzoate 1,2-Dioxygenase, a Two- Component Enzyme System from Pseudomonas cepacia 2CBS. J. Bacteriol. 174: 279-290.

Thank you for copying data from http://www.arastirmax.com