ISOLATION, PURIFICATION AND CHARACTERIZATION OF PROLINE DEHYDROGENASE FROM A PSEUDOMONAS PUTIDA POS-F84 ISOLATE

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SHAHBAZ MOHAMMADI HAMID; OMIDINIA ESKANDAR

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Biotechnology Year:2012 | Volume:10 | Issue:2 Page(s): 111-119

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Information Journal Paper

Title

ISOLATION, PURIFICATION AND CHARACTERIZATION OF PROLINE DEHYDROGENASE FROM A PSEUDOMONAS PUTIDA POS-F84 ISOLATE

Author(s)

SHAHBAZ MOHAMMADI HAMID | OMIDINIA ESKANDAR | Issue Writer Certificate

Keywords

CHARACTERIZATIONQ2

PURIFICATIONQ3

PROLINE DEHYDROGENASE (PRODH)Q2

PSEUDOMONAS PUTIDAQ2

Abstract

The purpose of this study was to isolate and characterize Proline Dehydrogenase (ProDH) enzyme from microorganisms isolated from soil in Iran. Isolation and screening of L-proline degradative enzymes from soil samples was carried out. The isolate was characterized by biochemical markers and 16S rRNA gene analysis. The target ProDH was purified and the effects of pH and temperature on the activity and stability were tested. Among the 150 isolates recovered from 30 soil samples, only one was identified as PSEUDOMONAS PUTIDA displayed the highest enzyme activity toward L-proline (2200U/l). The enzyme was identified as a ProDH and hadK m value of 35 mM for L-proline. The molecular mass of the purified ProDH was about 40 kDa, and determined to be a monomeric protein. The N-terminal amino acid sequences of the subunit of P. putida enzyme were determined to be MLTSSLTRIIGKSGE. ProDH exhibited high activity at temperature range of 25 to 35oC and the highest activity was achieved at 30oC. It was almost stable at temperatures between 25-30oC for 2 h. The optimum pH of ProDH activity was determined in pH=8.5 and it was stable in pH range of 8.0-9.0 up to 24 h. The enzyme was purified with a yield of 8.5% and a PURIFICATION factor of 37.7. Briefly, a ProDH flavonzyme was purified and characterized from a P. putida bacterium. The specificity of P. putida enzyme toward L-proline is advantageous for the application to the L-proline analysis.

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APA: Copy

SHAHBAZ MOHAMMADI, HAMID, & OMIDINIA, ESKANDAR. (2012). ISOLATION, PURIFICATION AND CHARACTERIZATION OF PROLINE DEHYDROGENASE FROM A PSEUDOMONAS PUTIDA POS-F84 ISOLATE. IRANIAN JOURNAL OF BIOTECHNOLOGY, 10(2), 111-119. SID. https://sid.ir/paper/139228/en

Vancouver: Copy

SHAHBAZ MOHAMMADI HAMID, OMIDINIA ESKANDAR. ISOLATION, PURIFICATION AND CHARACTERIZATION OF PROLINE DEHYDROGENASE FROM A PSEUDOMONAS PUTIDA POS-F84 ISOLATE. IRANIAN JOURNAL OF BIOTECHNOLOGY[Internet]. 2012;10(2):111-119. Available from: https://sid.ir/paper/139228/en

IEEE: Copy

HAMID SHAHBAZ MOHAMMADI, and ESKANDAR OMIDINIA, “ISOLATION, PURIFICATION AND CHARACTERIZATION OF PROLINE DEHYDROGENASE FROM A PSEUDOMONAS PUTIDA POS-F84 ISOLATE,” IRANIAN JOURNAL OF BIOTECHNOLOGY, vol. 10, no. 2, pp. 111–119, 2012, [Online]. Available: https://sid.ir/paper/139228/en

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