Molecular investigation of feline coronavirus (FCoV) in local pet cats

Feline coronavirus (FCoV) infection is very common in cat population. FCoV is further classified into two biotypes namely feline enteric coronavirus (FECV) and mutated feline infectious peritonitis virus (FIPV), in which FIPV causes a fatal immune complex disease by changing the tropism from enteroc...

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Main Author: Liew, Wuan Hoong
Format: Project Paper Report
Language:English
Published: 2017
Online Access:http://psasir.upm.edu.my/id/eprint/83667/1/FPV%202017%205%20-%20IR.pdf
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author Liew, Wuan Hoong
author_facet Liew, Wuan Hoong
author_sort Liew, Wuan Hoong
collection UPM
description Feline coronavirus (FCoV) infection is very common in cat population. FCoV is further classified into two biotypes namely feline enteric coronavirus (FECV) and mutated feline infectious peritonitis virus (FIPV), in which FIPV causes a fatal immune complex disease by changing the tropism from enterocytes to monocytes. Previous studieson molecular detection of FCoVin cats were carried out in catteries but there is limited study on investigation of the presence of FCoV antigen in local pet cats. By considering this fact, this study aims to detect FCoV antigen via RT-PCR assay in local pet cats and to compare the similarity of the identified FCoV strain with previous related virus by phylogenetic analysis. By using convenience sampling, rectal swabs and buffy coat were collected from 16 clinically ill pet cats and 5 healthy pet cats. Viral RNA was extracted and subjected to one-step RT-PCR, targeting polymerase gene. Only 1 out of 21fecal samples was positive for FCoV and none for buffy coat. Phylogenetic analysis revealed that the identified positive sample was highly homologous, up to 95%, to aFCoV strain from Netherlands on partial sequence of polymerase gene. In conclusion, this study detected FCoV antigen in local pet cats and negative detection could not completely rule out the possibilities of FCoV infection due to the complexity of the virus diagnosis that require multiple series of analysis.
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spelling upm.eprints-836672020-10-08T02:43:38Z http://psasir.upm.edu.my/id/eprint/83667/ Molecular investigation of feline coronavirus (FCoV) in local pet cats Liew, Wuan Hoong Feline coronavirus (FCoV) infection is very common in cat population. FCoV is further classified into two biotypes namely feline enteric coronavirus (FECV) and mutated feline infectious peritonitis virus (FIPV), in which FIPV causes a fatal immune complex disease by changing the tropism from enterocytes to monocytes. Previous studieson molecular detection of FCoVin cats were carried out in catteries but there is limited study on investigation of the presence of FCoV antigen in local pet cats. By considering this fact, this study aims to detect FCoV antigen via RT-PCR assay in local pet cats and to compare the similarity of the identified FCoV strain with previous related virus by phylogenetic analysis. By using convenience sampling, rectal swabs and buffy coat were collected from 16 clinically ill pet cats and 5 healthy pet cats. Viral RNA was extracted and subjected to one-step RT-PCR, targeting polymerase gene. Only 1 out of 21fecal samples was positive for FCoV and none for buffy coat. Phylogenetic analysis revealed that the identified positive sample was highly homologous, up to 95%, to aFCoV strain from Netherlands on partial sequence of polymerase gene. In conclusion, this study detected FCoV antigen in local pet cats and negative detection could not completely rule out the possibilities of FCoV infection due to the complexity of the virus diagnosis that require multiple series of analysis. 2017-03 Project Paper Report NonPeerReviewed text en http://psasir.upm.edu.my/id/eprint/83667/1/FPV%202017%205%20-%20IR.pdf Liew, Wuan Hoong (2017) Molecular investigation of feline coronavirus (FCoV) in local pet cats. [Project Paper Report]
spellingShingle Liew, Wuan Hoong
Molecular investigation of feline coronavirus (FCoV) in local pet cats
title Molecular investigation of feline coronavirus (FCoV) in local pet cats
title_full Molecular investigation of feline coronavirus (FCoV) in local pet cats
title_fullStr Molecular investigation of feline coronavirus (FCoV) in local pet cats
title_full_unstemmed Molecular investigation of feline coronavirus (FCoV) in local pet cats
title_short Molecular investigation of feline coronavirus (FCoV) in local pet cats
title_sort molecular investigation of feline coronavirus fcov in local pet cats
url http://psasir.upm.edu.my/id/eprint/83667/1/FPV%202017%205%20-%20IR.pdf
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