Articles
308 open-access articles · page 7 of 16
Research ArticlePartial Characterization of an Isolate of Cucumber Mosaic Virus from Ismailia Governorate
Elbeshehy, E. K.F, Sallaml, A.A.A
Cucumber mosaic virus (CMV) was isolated from naturally infected cucumber plants Cucumis sativus L. grown in various garden and greenhouses of Ismailia Governorate, Egypt exhibiting systemic mosaic, blistering, fruit malformation and stunted plant growth and i…
1 Jan 2024
Research ArticleBiological Control of Cucumber Mosaic Virus by Certain Local Streptomyces Isolates
El-Dougdoug, Kh.A, Ghalyl, M.F, Tahal, M.A
An antiviral producing• Streptomyces species were isolated from soil rhizosphere in Zagazig province of Egypt. In order to identi$r the Streptomyces strains, morphological, physiological, biochemical and antagonism testes were performed. The Egyptian isol…
1 Jan 2024
Research ArticleSerological and Molecular Identification of Some Isolated Avian Influenza Viruses During Outbreaks in Egypt
Omarl, Dalia M, El-Ibiaryl, Elham A, Sadik, Atef S et al.
In mid-February 2006, an outbreak of Highly Pathogenic Avian Influenza (HPAI) H5Nl affected the commercial poultry production sector and backyards in Egypt and resulted dramatic economic losses to the poultry industry of Egypt and continue to pose a serious th…
1 Jan 2024
Research ArticleSerodiagnosis of Foot and Mouth Disease (FMD) Virus for Differentiation between Naturally Infected and Vaccinated Cattle and Buffaloes
Hassanein, Suzan A, Abd El-Wahab, Wafaa, Eweis, Moustafa et al.
FMD is a highly contagious viral disease of all cloven-footed animals and widely distributed all over the world. In this study 465 serum samples were collected from 3 Nile delta governorates (Behaira, Mounofya and Kafer El-Sheikh) during 2009. The samples were…
1 Jan 2024
Research ArticleMolecular Characterization of Enzootic Camelpox Virus in the Eastern Kingdom of Saudi Arabia
Yousifl, Ausama A, Al-Naeem, Abdelmohsen A
Camelpox virus (CMLV) belongs to the genus Orthopoxvirus (OPV) of Poxviridae. CMLV causes clinical disease in camel populations worldwide. CMLV has been known in Saudi Arabia for centuries. However, no attempts have been made to characterize the endemic CMLV g…
1 Jan 2024
Research ArticleEstablishment of Dot-Blot Hybridization for Diagnosis Of Bovine Ephemeral Fever Virus in Egypt
Zaghloull, A.H, Mahmoud, Amal, Hassanl, H.Y et al.
Bovine ephemeral fever (BEF) is an arthropode borne rhabdovirus, which causes a disabling febrile infection of cattle and water buffalo. A sever outbreak was recorded in Egypt during 2000 and 2001. Using RT PCR, a primer designed to amplify 438 nucleotide frag…
1 Jan 2024
Research ArticleField Diagnosis of Avian Influenza 115N1 Virus M Egypt Using Rapid Immunochromatographic Diagnostic Tests
Ibrahim l, Madiha Salah, Ikuta, Kazuyoshi
Rapid on-spot testing for influenza virus can greatly assist in the clinical management decision. In Egypt, where avian influenza A virus H5Nl is now endemic and human infections are on the rise, rapid H5N1 detection in infected poultry is essential for contro…
1 Jan 2024
Research ArticleMolecular Variation of Potato Virus Y Isolated from Egypt
El-Absawy, E.A, Mahmoud, Amal, Hemeida, A.A et al.
Potato virus Y (PVY) is one of the most important viruses affecting cultivated potatoes in Egypt. Different potato plants were collected from an experimental station in Giza Governorate, Egypt and were tested using RT-PCR. PVY was amplified using primers repre…
1 Jan 2024
Research ArticleComparative Detection of 1-15N1 Avian Influenza Virus using Conventional RT- PCR and Real Time RT-PCR
Hagag, N.M.*•, Arafa, Shalaby, M. A. ** El-Sanousi, A. A et al.
Highly pathogenic avian influenza (HPAI) caused by influenza A H5N1 virus, poses a significant threat to the poultry industry and humans in Egypt. Since it was first recognized in 2006, the disease has become enzootic in poultry throughout Egypt and still circ…
1 Jan 2024
Research ArticleEpidemiological Diagnosis of Foot and Mouth Disease (Pmi) among Cattle in Sharkia and Kafr El Sheikh Governorates
Raof, Amal M. A, Haleem, Iman Y, Aly, Nawal M et al.
Foot-and-mouth disease (FMD) is one of the most contagious diseases affecting wide range of host species with variable severity and decreased productivity. Non-structural protein (NSP) 3ABC antibody is considered to be the most reliable indicator of present or…
1 Jan 2024
Research ArticleMolecular Variability of the S Gene of Hepatitis B Virus in Egypt
Elkalamawyl, I.M, Elhddadl, Swelim, M.A, Hamdy et al.
Two novel mutants of the hepatitis B virus Surface antigen (HBsAg) were characterized. The mutants were isolated from asymptomatic patients who were found to be persistently positive for both I-BsAg and anti-hepatitis B surface antibody (anti-HBs) and a long-l…
31 Dec 2023
Research ArticleGenetic Variations in A Conserved 5’-Untranslated Region of Hepatitis C Virus Isolated from Egypt
Hemeida, A. A, Osman, El-Shahat, Mohamed, Hashem et al.
Ninety-two positive samples for anti-HCV antibodies were selected from out patients of Center of Cardiac and Digestive System, Sohag, Egypt aged from 20 to 55 years. Then, confirmed by Reverse Transcription Polymerase Chain Reaction (RT-PCR) for HCV. The confi…
31 Dec 2023
Research ArticlePost-Distribution Survey for Potency of Live Attenuated Oral Polio Vaccines (OPV) used in Sudan Northern States Peripheral Children Immunization Clinics
Elamien, Mohammed, Kotob, Nahla S, Elsayed, Eltayeb A et al.
National immunization days (NIDs) started in 1994 in Sudan by using trivalent OPV (topV) and in the beginning of 2010 bivalent OPV (bOPV) was permitted to be use. Since OPV is manufactured from a highly thermolabile vaccine strain of poliovirus, it should be s…
31 Dec 2023
Research ArticleEngineered Norovirus-like Particle as a Vaccine Candidate
Shawki, Khaled K, Carter, M.J, Alnashar, Nariman M et al.
Noroviruses account for the bulk of infectious gastroenteritis in adults worldwide. Although Norovirus gastroenteritis is self-limiting, the economic burden of infection is considerable and uncontrolled manifestations can result in death. Noroviruses form an a…
29 Dec 2023
Research ArticleFurther Evidence on Systemic Resistance Induced by Contaminant Microbial in Potato Culture in Vitro
El-Dougdoug. K.A, Mervat, M. Fath Alah, Reham A. Hassen, Rehab A . Dawoud
This study is concerning with searching use of the phenomenon of systemic acquired resistance (SAR) to control plant viruses and increased growth in vitro. Through this study, it was and proved to induced SAR in potato plants using bacterial and fungal contami…
29 Dec 2023
Research ArticleMolecular Characterization of Squash Leaf Curl Virus Egyptian Isolate and Generation of Infectious Clone via Rolling Circle Amplification
Inas. F. Fahmy
29 Dec 2023
Research ArticleManagement To Reduce the Natural Faba bean necrotic yellows virus Infection in Faba Bean Crop
Mohga A. El-Tahlawey l, L.R. Rizkallal, S.A. El-Arnaouty, Amal A.Khalil
The effectiveness of using Gaucho® (imidacloprid) for seed dressing used different cultural practices to reduce the natural infection by Faba Bean Necrotic Yellows Virus (FBNYV) in faba bean crop. The results of seed dressing by Gaucho were obtained in the…
29 Dec 2023
Research ArticleGenomic Homology and Mixed Interactions of Baculoviruses Infecting the Egyptian Cotton Leaf Worm Spodoptera Littoralis In Vivo and In Vitro
Omaima Khamiss
Baculovirus genomes from different virus species generally exhibit a considerable degree of structural diversity. However, some sequenced baculovirus genomes from closely related viruses are structurally very similar and share overall nucleotide sequence ident…
29 Dec 2023
Research ArticleEffect of Environmental Factors on Peanut Mottle Virus Infection and Population of Insects on Lentil in Egypt
Mohga A. El-Tahlawey, Samah. A. Mokbel, A.M. Mandour, H. A. Mohamed
Peanut mottle virus (PMoV) was isolated from lentil cv. Giza 51. The infected plants feature severe mosaic on lentil cv. Giza51. mottling on cv. Giza9. mild mottle on cv. Giza4, yellow mild mottling on cv. Giza370, Seed transmission tests Of PMoV confirmed of…
29 Dec 2023
Research ArticlePrunus Necrotic Ringspot Ilar Virus Incidence in Apricot and Peach Trees in Saudi Arabia
Khalid Alhudaib
Cultivated areas with fruit trees in Saudi Arabia are estimated at 233,513 h and produce more than 1.6 million tons of fruits annually. Prunus necrotic ringspot virus (PNRSV), Prune dwarf virus (PDV) and Plum Pox virus (PPV) are the most important and common v…
29 Dec 2023
