Articles
308 open-access articles · page 14 of 16
ArticlesComparative molecular study on Avian pox viruses
Sherif .M. Ibrahim, Abd El-Razek. B. Abd El-Razek*. Hanan. M. El-Zahed Amal. A. Fatouh, Ayatollah. I. Ibrahim
The current study was conducted to determine the similarities and differences between vaccinal and isolated strains of Fowl pox virus (FPV) and Pigeon pox virus (PPV) based on biological and molecular basis. Vaccinal and isolated strains were propagated on the…
16 Aug 2021- Articles
Cloning and expression of Equine herpesvirus 1 glycoprotein D as a fusion protein in E. coli from a local isolate from El Zahraa Stud for Arabian Horses to be used as a diagnostic antigen for detecting the antibodies either in vaccinated or infected horse
Abd El-Hamid, M.I, Seham, A.El-Zeedy, El-Sanousi, A.A et al.
The current study focuses on The envelope glycoprotein D of EHV-1 (EHV-1gD) due to its essential role in virus infectivity and its function in entry of virus into cells and is considered as one of the most potent inducers of virus-neutralizing antibody among t…
16 Aug 2021 - Articles
Isolation and Identification of Turkey pox virus in Turkey Flocks in Egypt
Safaa M. Mohammed, Shahira A. Abdelwahab, Fetaih, H⃰ ⃰, Neveen, R⃰ et al.
In this study, turkey pox virus (TKPV) was recorded in 6 commercial turkey flocks aged 48-65days old. The disease was examined clinically ,histopathologically and immunohistochemically. Turkey pox virus was isolated on CAM of embryonated chicken eggs and ident…
16 Aug 2021 - Articles
Antiviral activity of lactoferrin against Potato virus x in vitro and in vivo
Samah A. Mokbel, Soad H. Taha, Mahmoud M. Abd-El Hamid, Ali H. Hamed
The effectiveness of lactoferrin against Potato virus x (PVX) in vitro and in vivo have been evaluated. Four concentrations of lactoferrin 100, 250, 500 and 1000 mg/L were examined either in vitro culture medium or in vivo (greenhouse). The presence of the vir…
16 Aug 2021 - Articles
In vitro osmotic potential for PVY elimination and tuberization of potato by tissue culture technique
Rehab A. Dawood, Entsar A. Nassar, K.A. El-Dougdoug
Potential osmotic of MS medium is a new method for Potato virus Y (PVY) elimination using tissue culture technique. Osmotherapy refers to culture meristem – tip and stem nodes at MS medium saturated with sucrose. Stem nodes of potato were successfully st…
16 Aug 2021 - Articles
Diagnosis, isolation and molecular identification of Bovine ephemeral fever virus in Dakahlyia province, Egypt 2015
Sahar Abd El Rahman, Mohamed Eladl, Mohamed M. El-Diasty
Bovine ephemeral fever is a non-contiguous epizootic arthropod viral disease infecting cattle and water buffaloes. The present work aimed to isolate the causative agent and identify it by serological characterize of the viral antigens, then molecular character…
16 Aug 2021 - Articles
Antiviral Diversity of Compounds Derived From Silybum marianum
Hanaa H. A. Gomaa, Entsar A. A. Nassar, K. A. El-Dougdoug
Six genotypes of purple and white head flower varieties and one parent type of milk thistle (Silybum marianum L.) grow in the Egyptian desert. These are important plants used for treatment of various liver diseases. All the studied genetic parameters showed va…
16 Aug 2021 - Articles
Monitoring variability responses of cultivated potato varieties infected with Potato virus Y pepper isolate
K.A. El-Dougdoug, A.R. Sofy, A.A. Mousa, E.E. Refaey
The PVY isolate-infected pepper plants confirmed by DAS-ELISA and isolated on Chenopodium amaranticolor L. where gave chlorotic local lesions. Eleven potato cultivars (Solanum tuberosum) mechanically inoculated with PVY isolate under greenhouse condition were…
16 Aug 2021 - Articles
Squash leaf curl virus (SLCV) incidence and severity on Phaseolus Vulgars in Egypt
Amro A. Farrag, Ahmed K. El-Attar, Om-Hashem M. El-Banna, Ibrahim A. I, H. M. Mazyad
Squash leaf curl virus (SLCV) was isolated from naturally infected common bean plants grown in Egypt. Symptomatic leaf samples were collected from bean fields cultivated in different governorates and tested by PCR using Geminivirus degenerate primers and Squas…
16 Aug 2021 - Articles
Rapid quantitative detection of Enteric viruses in River Nile and drainage water, Egypt
Mohamed I. Azzam, Safaa M. Ezzat, K. A. El-Dougdoug, Badawi A. Othman
Contamination of surface water with enteric viruses is a major public health concern that warrants the need to develop reliable indicators for enteric viruses contamination. This work assesses the bio-diversity of coliphages to use as bio-indicators for viral…
16 Aug 2021 - Articles
Occurrence, Etiology and Molecular Characterization of Phytoplasma Diseases on Solanum lycopersicum Crop in Egypt
Eman A. Ahmed, Osama Y. Shalaby, Emad F. Dwidar, Samah A. Mokbel, Ahmed K. El-Attar
Surveys were carried over the course of the 2012 and 2013 in different areas of tomato-growing fields in Egypt (Giza, Ismailia, Bani-Sweif, Fayoum and Qena) in order to determine the occurrence and distribution of phytoplasma associated with diseased tomato pl…
16 Aug 2021 - Articles
Biological and Serological Studies on Pea Mosaic Virus (PMV) on Cowpea Forage Crop (Vignaunguiculata L. Walp)
M. A. Kararah, Om-Hashem M. El-Banna, Salwa N. Zein, Abd-Elrehiem, A.F
In the present work, Pea mosaic (PMV) was first reported on cowpea (Vignaunguiculata (L.) Walp).PMV was isolated from naturally infected cowpea plants, showing mosaic and choloratic ring spot symptoms, which had been grown in the experimental fields of Giza Ag…
16 Aug 2021 - Articles
Sero Survey on current status of Foot and Mouth Disease in some Egyptian Governorates 2013 - 2015
Magdy, Mariam, Abou ElHassan D.G, Salem, S.A.H
Foot-and-mouth disease (FMD) is a highly contagious viral disease affecting both domesticated and wild cloven-hoofed animals worldwide and it is a disease with high economic importance. In Egypt, FMD has taken as enzootic form and many outbreaks had occurred s…
16 Aug 2021 - Articles
Co-circulation of different Infectious Bronchitis Virus serotypes In Egypt During 2012
Fawzy Rania, AboElkhair M, Bazid A.M, Sultan H, Hussien A.H
Variant strains of Infectious bronchitis virus cause a major problem in the Egyptian poultry industry. A mixture of genetic mutations and or recombination events has been occurred during replication of coronaviruses including IBV which called quasispecies. Ser…
15 Aug 2021 - Articles
Rapid Virological and Molecular diagnosis of Lumpy skin disease virus
Hanaa A. Ahmed, Eman M. AboHatab
Lumpy skin disease is an infectious viral disease of cattle, which is an important serious skin disease of cattle in Africa. In present study, twenty one samples in the form of nodular lesion of skin were collected at different stages during the course of the…
15 Aug 2021 - Articles
Investigation of lumpy skin disease virus infection in young calves from cows vaccinated with sheep poxvirus vaccine
Yasser F. Elnaker, Mohamed El-Tholoth, Sahar Saber, Amira A- Elsaid, Mohamed A. Saad, Emad E. Younis
Lumpy skin disease (LSD) is an important infectious viral skin disease of cattle causing high economic losses. Vaccination is the only effective method to control the disease in endemic countries. In the present study, 10 out of 25 clinically examined calves (…
15 Aug 2021 - Articles
Study of zeolite as immune stimulant in foot and mouth disease trivalent oil adjuvant vaccine in sheep
Hiam M. Fakhry, Assem A.A
Comprehensive sero-immunological study was conducted to reveal the adjuvant's effect of zeolite on the immune response of oil adjuvanted trivalent Foot and mouth disease (FMD) vaccine in sheep. The objective of this study was to evaluate the efficacy of Zeolit…
15 Aug 2021 - Articles
Phylogenetic analysis of Egyptian foot and mouth disease virus endemic strains in 2013
Nader M. Sobhy, Sunil K. Mor, Mohammed E.M. Mohammed, Iman M. Bastawecy, Hiam M. Fakhry, Sagar M. Goyal
Foot and mouth disease virus (FMDV) is a long known virus but still a current threat in Egypt with devastating consequences as shown in 2012 in Egypt. One of the most important FMD features is high potential for genetic and antigenic variation. Therefore molec…
15 Aug 2021 - Articles
Detection of rotavirus in fecal samples of infants and young children with acute diarrhea
Enas K. Abo-Elmagd, Kouka S. Abd El-Wahab, Azza H. El- Salakawy
Rotavirus infection (RV) is the leading cause of severe acute diarrhea among young children worldwide. Rapid and accurate diagnosis of RV infection is crucial for appropriate patient management and infection control. The aim of our study was to compare the dia…
15 Aug 2021 - Articles
Molecular epidemiology and serological study of FMD virus in Egypt 2014
Hala K. Abdelmegeed, Eman M. Abohatab, Khattab, O. M, Salem, S.A.H et al.
Foot and mouth disease (FMD) is an enzootic disease among the livestock in Egypt, affecting practically all cloven-footed domesticated mammals.In this study 161 out of 376 serum samples in percentage 42.8% were positive for FMD non structure proteins( NSP) ant…
15 Aug 2021