Expression Of PhaC1 And PhaC2 From Pseudomonas Sp. USM4-55 In Escherichia Coli Expression System
Polyhydroxyalkanoates (PHAs) are synthesized intracelullarly by a variety of microorganisms as reserve materials for carbon and energy source. PHA synthase (PhaC) is the key enzyme in the polymerization of PHAs. Pseudomonas sp. USM4-55 is a local isolate which is able to produce a blend of short...
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| المؤلف الرئيسي: | |
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| التنسيق: | أطروحة |
| اللغة: | English |
| منشور في: |
2007
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| الموضوعات: | |
| الوصول للمادة أونلاين: | http://eprints.usm.my/53174/1/Tesis%20expression%20of%20phaC1%20cut.pdf |
| الوسوم: |
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| الملخص: | Polyhydroxyalkanoates (PHAs) are synthesized intracelullarly by a variety of microorganisms as reserve materials for carbon and energy source.
PHA synthase (PhaC) is the key enzyme in the polymerization of PHAs.
Pseudomonas sp. USM4-55 is a local isolate which is able to produce a blend
of short chain length and medium chain length of polymer. Genes coding for
PhaC (phaC1 and phaC2) from Pseudomonas sp. USM4-55 were amplified
(each with a size of 1.7 kb) from the genomic DNA, cloned into pGEMR-T for
sequencing and then expressed. For expression studies, pQE-30 was used as
the expression vector under the control of PT5 promoter. These clones were
named pQE-C1 and pQE-C2, and were induced with 0.01 mM of isopropyl-p-Dthiogalactoside
(IPTG) at ODeoo of 0.6. |
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