Lack of Human Coronaviruses Detection in Samples Collected from Patients with Respiratory Tract Infections during 2014-2015

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ALIPOUR SOMAYEH; SOLEIMANJAHI HOORIEH; FOTOUHI FATEMEH; FARAHMAND ZOHREH

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Journal Paper

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Journal: IRANIAN JOURNAL OF VIROLOGY Year:2020 | Volume:14 | Issue:1 Page(s): 36-41

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Title

Lack of Human Coronaviruses Detection in Samples Collected from Patients with Respiratory Tract Infections during 2014-2015

Author(s)

ALIPOUR SOMAYEH | SOLEIMANJAHI HOORIEH | FOTOUHI FATEMEH | FARAHMAND ZOHREH | Issue Writer Certificate

Keywords

Coronavirus

human coronaviruses

RT-PCR Optimization

respiratory tract infections

Abstract

Background and Aims: Coronaviridae family cause respiratory diseases ranging from common cold to severe Respiratory diseases such as SARS, MERS and new emerging Coronavirus disease COVID-19. In addition, the family including four other human Coronaviruses (HCoV-229E, HCoV-HKU1, HCoV-NL63, and HCoV-OC43) with flu likes symptoms. Coronaviruses cannot be distinguished clinically from other respiratory infectious agents. Based on the health importance and widespread distribution of respiratory infections, the current study was designed for diagnosis of PanCoronaviruses. Materials and Methods: Nasopharyngeal swabs from 200 patient suspected viral upper respiratory tract infection analyzed using optimized RT-PCR assay. The constructive specific degenerate primers were used for amplification of rep1b ORF from Coronaviruses genome. The 354bp DNA fragment related to 229E Coronavirus polymerase gene was amplified from Amplirun Total Respiratory Viral Panel Control (Vircell) template by RT-PCR. Amplified product ligated into T-easy vector (Promega). Plasmid then transformed to Top 10 F' strain by chemical method and Positive colonies were selected using colony PCR with gene specific primers. Diagnostic restriction enzyme digestion was done with EcoRI restriction enzyme. Vector was linearized by SacI restriction enzyme and In-vitro transcription was performed using TranscriptAid T7 High Yield Transcription Kit. DNA was removed with DNase I treatment. Then the detection limit of the specific Rep1b primers was determined by Two-Step RT-PCR with synthetic RNA concentration gradient. All of samples were negative for PanCoronavirus. Results and Conclusion: All of these samples were negative for PanCoronavirus. Larger sample sizes and proper sampling procedure may improve the chances of viral RNA detection.

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APA: Copy

ALIPOUR, SOMAYEH, SOLEIMANJAHI, HOORIEH, FOTOUHI, FATEMEH, & FARAHMAND, ZOHREH. (2020). Lack of Human Coronaviruses Detection in Samples Collected from Patients with Respiratory Tract Infections during 2014-2015. IRANIAN JOURNAL OF VIROLOGY, 14(1), 36-41. SID. https://sid.ir/paper/773694/en

Vancouver: Copy

ALIPOUR SOMAYEH, SOLEIMANJAHI HOORIEH, FOTOUHI FATEMEH, FARAHMAND ZOHREH. Lack of Human Coronaviruses Detection in Samples Collected from Patients with Respiratory Tract Infections during 2014-2015. IRANIAN JOURNAL OF VIROLOGY[Internet]. 2020;14(1):36-41. Available from: https://sid.ir/paper/773694/en

IEEE: Copy

SOMAYEH ALIPOUR, HOORIEH SOLEIMANJAHI, FATEMEH FOTOUHI, and ZOHREH FARAHMAND, “Lack of Human Coronaviruses Detection in Samples Collected from Patients with Respiratory Tract Infections during 2014-2015,” IRANIAN JOURNAL OF VIROLOGY, vol. 14, no. 1, pp. 36–41, 2020, [Online]. Available: https://sid.ir/paper/773694/en

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