EXPRESSION OF A RECOMBINANT SERINE-RICH ENTAMOEBA HISTOLYTICA PROTEIN (SREHP)

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NEKOUEIAN SH.; HAGHIGHI ALI; KAZEMI BAHRAM; SEYED TABAEI S.J.; TAGHIPOUR N.; RASTI S.

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Journal: Research in Medicine Year:2010 | Volume:34 | Issue:2 Page(s): 123-127

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Title

EXPRESSION OF A RECOMBINANT SERINE-RICH ENTAMOEBA HISTOLYTICA PROTEIN (SREHP)

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Keywords

ENTAMOEBA HISTOLYTICAQ3

RECOMBINANT PROTEINQ3

SERINE RICHQ3

SREHPQ3

Abstract

Backgraound: ENTAMOEBA HISTOLYTICA antigenic markers such as Serine-Rich E. histolytica protein (SREHP) have recently been used for vaccine preparation, genetic diversity studies of ENTAMOEBA HISTOLYTICA isolates and for differentiation between E. histolytica and E. dispar species. This study was carried out with the aim of expression of a recombinant SERINE RICH E. histolytica protein in the laboratory to use it in the ELISA kit.Methods: In this study which is an exploration method, an Iranian isolate of Serine-Rich E. histolytica gene which had previously been cloned in blue script plasmid (pBSc), was cut using BamHI restriction enzyme. After extracting and purification from gel, the SREHP gene was sub cloned into pET32a expression vector. The inserted gene was confirmed with Rosconis solution, PCR and sequencing methods. PCR was performed with the SREHP specific primers as well as pET T7 promoter primer. The cloned gene was also digested with HindIII and BamHI restriction enzymes. Recombinant plasmid was conveyed to competent cell BL21 (DE3). A colony of the plasmid including SREHP gene was cultivated and induced with IPTG. The result of expressed protein was observed on the SDS-PAGE gel. The SREHP gene was sub cloned into pET32a expression vector. A recombinant plasmid including an inserted SREHP gene was screened and confirmed with quick check method using Ruscoins solution, as well as PCR by special primers (SREHP and universal pET primer), digested with BamHI and HindIII restriction enzymes. Finally an open reading frame of 666 nucleotides from inserted SREHP gene was obtained with the sequencing method.Results: The RECOMBINANT PROTEIN of Serine-Rich E. histolytica in presence of IPTG was expressed in five hours and the result of expressed protein in the length of 44 KDa was observed on SDS-PAGE gel.Conclusion: SREHP protein was successfully cloned and expressed in this study. However additional studies are recommended for preparation and purification of the SREHP in a large quantity and the using it for the ELISA test.

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APA: Copy

NEKOUEIAN, SH., HAGHIGHI, ALI, KAZEMI, BAHRAM, SEYED TABAEI, S.J., TAGHIPOUR, N., & RASTI, S.. (2010). EXPRESSION OF A RECOMBINANT SERINE-RICH ENTAMOEBA HISTOLYTICA PROTEIN (SREHP). PAJOUHESH DAR PEZESHKI, 34(2), 123-127. SID. https://sid.ir/paper/41598/en

Vancouver: Copy

NEKOUEIAN SH., HAGHIGHI ALI, KAZEMI BAHRAM, SEYED TABAEI S.J., TAGHIPOUR N., RASTI S.. EXPRESSION OF A RECOMBINANT SERINE-RICH ENTAMOEBA HISTOLYTICA PROTEIN (SREHP). PAJOUHESH DAR PEZESHKI[Internet]. 2010;34(2):123-127. Available from: https://sid.ir/paper/41598/en

IEEE: Copy

SH. NEKOUEIAN, ALI HAGHIGHI, BAHRAM KAZEMI, S.J. SEYED TABAEI, N. TAGHIPOUR, and S. RASTI, “EXPRESSION OF A RECOMBINANT SERINE-RICH ENTAMOEBA HISTOLYTICA PROTEIN (SREHP),” PAJOUHESH DAR PEZESHKI, vol. 34, no. 2, pp. 123–127, 2010, [Online]. Available: https://sid.ir/paper/41598/en

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