ALDEHYDE-ALCOHOL BIOCONVERSION BY BACILLUS SPP L2

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DARVISH ALIPOUR SH.; SEPEHR SH.; SOOUDI M.R.

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Paper Information

Journal: IRANIAN JOURNAL OF BIOLOGY Year:2005 | Volume:18 | Issue:2 Page(s): 120-128

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Information Journal Paper

Title

ALDEHYDE-ALCOHOL BIOCONVERSION BY BACILLUS SPP L2

Author(s)

DARVISH ALIPOUR SH. | SEPEHR SH. | SOOUDI M.R. | Issue Writer Certificate

Keywords

DEHYDROGENASEQ2

AROMATIC COMPOUNDQ2

ALIPHATIC COMPOUNDQ4

BACILLUSQ4

BIOCONVERSIONQ4

Abstract

Dehydrogenation and biooxidation of organic compounds such as aliphatic and aromatic petrochemicals can potentially give rise to production of precious substances. Much more expensive chemical feed stocks are produced from low cost substrates using microbial DEHYDROGENASEs and biotechnological methods. A screening program resulted to isolation of 14 strains of BACILLUS spp. with BIOCONVERSION capability from forest soils of north of Iran. Presence of alcohol DEHYDROGENASE was indicated spectrophotometrically and assayed by determining the amount of NADH yielded through the reactions. Most of the isolates showed an enzymatic activity ranging between 0.2 to 0.7 U/mg-1 proteins.One of the isolates (Bacillus megaterium strain L2) showed the highest DEHYDROGENASE activity (0.8U/mg-1protein). The strain showed the ability to consume a wide range of substrates as the sole carbon source including xylol benzyl alcohol, cyclohexane, and aliphatic alcohols such as methanol, ethanol, propanol, and buthanol. Crude extract of the bacterial cells showed DEHYDROGENASE activity in the presence of all of these substrates. Higher DEHYDROGENASE activities were obtained in the presence of linear alcohols, in comparison with aromatic ones. When benzyl alcohol was used as substrate, the reactions were not limited to a simple dehydrogenation BIOCONVERSION, and further enzymatic reactions occurred and several metabolites were produced at different concentrations. 4-hydroxy- 4-methyl-2-penthenon was produced as one of abundant end products with final relative concentration of 45.6 percent. Thus, it is expected that a range of enzymatic reactions or BIOCONVERSION processes such as biooxidation can be catalyzed by further extraction and purification of enzymes.

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APA: Copy

DARVISH ALIPOUR, SH., SEPEHR, SH., & SOOUDI, M.R.. (2005). ALDEHYDE-ALCOHOL BIOCONVERSION BY BACILLUS SPP L2. IRANIAN JOURNAL OF BIOLOGY, 18(2), 120-128. SID. https://sid.ir/paper/21003/en

Vancouver: Copy

DARVISH ALIPOUR SH., SEPEHR SH., SOOUDI M.R.. ALDEHYDE-ALCOHOL BIOCONVERSION BY BACILLUS SPP L2. IRANIAN JOURNAL OF BIOLOGY[Internet]. 2005;18(2):120-128. Available from: https://sid.ir/paper/21003/en

IEEE: Copy

SH. DARVISH ALIPOUR, SH. SEPEHR, and M.R. SOOUDI, “ALDEHYDE-ALCOHOL BIOCONVERSION BY BACILLUS SPP L2,” IRANIAN JOURNAL OF BIOLOGY, vol. 18, no. 2, pp. 120–128, 2005, [Online]. Available: https://sid.ir/paper/21003/en

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