Articles
266 open-access articles · page 11 of 14
ArticlesFirst report of the association of Genus Chaetomium with roots of Cucurbita maxima
Jonathan D. Hulse
Chaetomium sp. is a fungal genus in the Ascomycota that has a world-wide distribution throughout tropic and temperate regions. Species of Chaetomium are often associated with and classified as both seed-borne and soil- borne fungi, which inhabit a variet…
1 Feb 2020
ArticlesInterleukin-27 levels and its Polymorphism in Hepatocellular carcinoma associated with Hepatitis C
Nahla Anber, Maysaa El Sayed Zaki, Mona El Wassefy
The prevalence of Hepatocellular carcinoma (HCC) in Egypt represents about 11% of the gastrointestinal tract malignancies. The development of HCC usually is preceded by chronic infections with Hepatitis C virus (HCV). Interleukin-27 (IL27) is implicated…
1 Feb 2020
ArticlesElectro-fermentative production of thermotolerant lipases by electrogenic bacteria isolated from palm oil mill effluents
E.O. Garuba, O.M. Ajunwa, O.S. Oguntomi, A.A. Onilude
This study aimed at assessing the effects of Bio-electrochemical system on the yield of thermostable lipase produced by Bacillus licheniformis S1S2, Bacillus pulmilus S1E23, Bacillus sp. S1E27, and Aeribacillus sp. S1E29. With physiological conditioning…
1 Feb 2020
ArticlesRole of the JC Polyomavirus (JCV) and BK Polyomavirus (BKV) in the colorectal cancer of some Egyptian patients
Sherihan Samir, Ahmed B. Barakat, Waled M. El-Senousy, Ahmed A. Abou-Zeid, Omar A. Rabiee
Although several cases and case-control studies reported the prevalence of JC polyomavirus (JCV) and BK polyomavirus (BKV) in tumor tissues of colorectal cancer (CRC) patients as well as in control samples; however, many recent studies did not show the…
1 Feb 2020
ArticlesOptimization of cellulase and chitinase enzymes production by plant growth promoting rhizobacteria
Alaa Fathalla Mohammed
The current study aimed to optimize the production of cellulase and chitinase enzymes by plant growth promoting rhizobacteria (PGPR). Bacteria were pre-isolated from soil and identified as; Pseudomonas fluorescens NBRC (KW1), Serratia liquefaciens ATCC…
1 Feb 2020
ArticlesIsolation and full genome sequencing of two human Astroviruses isolated from children in Cairo, Egypt
Ahmed El Taweel, Ahmed Kandeil, Ahmed Barakat, Omar El Faroq, Ghazi Kayali, Mohamed Ahmed Ali
Astroviridae is a diverse family of viruses that are circulating in a wide range of hosts. Diversity of these viruses plays a major role in the emergence of zoonotic diseases. Limited studies were conducted on the prevalence and genetic proprieties of h…
1 Feb 2020
ArticlesResistance prevalence profile of Klebsiella pneumoniae in the Intensive Care Units of Al- Shatby Pediatric Hospital, Alexandria, Egypt
Bassma H. Elwakil, Safaa M. Ali, Soad F. Hafez, Adnan A. Bekhit, Moustafa Y. El-Naggar, Zakia A. Olama
Klebsiella pneumoniae has been identified as an opportunistic pathogen associated with both community- acquired and nosocomial infections mainly among patients admitted to the Intensive care units (ICUs). Some resistant genes were transferred vertically…
1 Dec 2019
ArticlesGreen synthesis, Optimization and Characterization of SiO2 nanoparticles using Aspergillus tubingensis F20 isolated from drinking water
Sohila A. Abd Elmohsen, Samah A. Mohmed, Ghadir E. Daigham, Essam M. Hoballah, Nagwa M. Sidkey
This study aimed to demonstrates a positive correlation between silica metal tolerance ability of a drinking water fungi and its potential for the synthesis of silica oxide (SiO2) nanoparticles (NPs). Metal oxide NPs can be synthesized biologically by di…
1 Dec 2019
ArticlesAnti-dermatophytic activity and FTIR analysis of Petroleum ether extracts of Azadirachta indica A. Juss seed (Meliaceae)
Ungo-kore H.Y, Ibrahim Y.K.E, Tytler B.A
Plant derived medicines have made massive contributions to the humans over the years. Azadirachta indica is used in ethnomedicine to treat ailments such as; eczema, ringworm, sore throat, respiratory tract infection, and scabies. Seeds of A. indica were…
1 Dec 2019
ArticlesAntibacterial potential of the Albizia mahalao Capuron extracts, a Fabaceae from Madagascar
Andriantsihoarana J. Razanatseheno, Lovarintsoa J. Randriamampianina, Hanitra R. Randrianarivo, Danielle A. D. Rakoto, Victor L. Jeannoda
The aim of this study was to assess the antibacterial potential of Albizia mahalao, a Madagascar Fabaceae. Leaf methanolic extracts (LME), root bark methanolic extract (RME), stem bark methanolic extract (SME), and alkaloids extracted from leaves under…
1 Dec 2019
ArticlesBiosynthesis of Copper nanoparticles using bacterial supernatant optimized with certain agro-industrial byproducts
Abd-Elhalim, B.T, Gamal, R.F, Abou-Taleb, Kh.A et al.
Biosynthesis of green nanomaterials using microorganisms is considered clean, eco-friendly and viable, instead of the physical or chemical methods. This study aimed in the biosynthesis of copper nanoparticles (CuNPs) exploiting Egyptian local bacterial…
1 Dec 2019
ArticlesNew source of cellulase production using a metagenomic technique
Safaa M. Ali, Nadia A. Soliman
The cellulase enzymes with high effectiveness under conditions agreeable to the industrial processes necessities are one of the keys for the successful development of chemical and drug synthesis. The soil metagenome is an affluent source for the discove…
1 Dec 2019
ArticlesPrevalence and multidrug resistance profiles of several bacterial pathogens isolated from hospital inanimate surfaces in Faisalabad, Pakistan
Hafsa Zaib, Rabia Kanwar, Nishat Zafar, Sultan Ali
Hospital environment and inanimate surfaces are considered as potential sources of opportunistic and nosocomial pathogens. Indirect transmission of microbes from the hospital surfaces has a major role in hospital acquired nosocomial infections and their…
1 Dec 2019
ArticlesEnhanced anti-oxidant activity of neoagarooligosaccharides produced by β-agarase derived from Aquimarina agarilytica NI125
Mohamed G. Farahat
The neoagarooligosaccharides have received growing attention owing to their physiological activities. The aim of this study was the isolation of agarase-producing bacteria for production of agar hydrolysates with special emphasis on their anti-oxidant po…
1 Dec 2019
ArticlesAntimicrobial and antioxidant activities of Tea plant
Zakaria Ahmed
Many complementary and alternative medicines have enjoyed increased popularity in recent decades. Efforts to validate their use have seen their putative therapeutic properties, which come under increasing scrutiny in vitro and in some cases in vivo. One…
1 Dec 2019
ArticlesDetection and identification of a new isolate of Grapevine fanleaf Virus naturally infecting Grapevine plants in Egypt using qReal Time-PCR
Dalia Gamil Aseel, Mahmoud Hamdy Abd El-Aziz, E. E. Hafez
Grapevine fanleaf virus (GFLV) is a member of the genus Nepovirus in the family Comoviridae, a widely distributed virus responsible for grapevine (Vitis vinifera) degeneration. This virus causes serious economic losses by reducing grape crop yield. The…
1 Dec 2019
ReviewMicroalgae as sources of biofuel production through waste water treatment
Muhammad Usman Akhtar, Abid Ali Khan, Wajeeha Jahangir Khan, Tiyyaba Furqan
The shortage of fuel in the near future and the change in climate due to greenhouse gases are serious challenges of a global concern, thus it is imperious to explore new sustainable ways to overwhelm these challenges. The need of a new sustainable energy sourc…
1 Nov 2019
ArticlesEffect of organic amendments on the decontamination potential of heavy metals by Staphylococcus aureus and Bacillus cereus in soil contaminated with spent engine oil
Adeniyi O. Adeleye, Mohammed B. Yerima, Michael E. Nkereuwem, Victor O. Onokebhagbe, Peter G. Shiaka, Florence K. Amoo et al.
This study was conducted to assess the decontamination of heavy metals of an environmental concern in spent engine oil (SEO) contaminated soil, through the adoption of Staphylococcus aureus and Bacillus cereus co- cultures, isolated from Dutse mechanic v…
1 Nov 2019
ArticlesMicroalgae as sources of biofuel production through waste water treatment
Muhammad Usman Akhtar, Abid Ali Khan, Wajeeha Jahangir Khan, Tiyyaba Furqan
The shortage of fuel in the near future and the change in climate due to greenhouse gases are serious challenges of a global concern, thus it is imperious to explore new sustainable ways to overwhelm these challenges. The need of a new sustainable energ…
1 Oct 2019
ArticlesEscherichia coli in broiler chickens in Egypt, its virulence traits and vaccination as an intervention strategy
Ahmed Ali, Ahmed I. Abd El-Mawgoud, Al-Hussien M. Dahshan, Azza A. EL-Sawah, Soad A. Nasef
Avian pathogenic Escherichia coli (APEC) is one of the extra intestinal pathogenic E. coli (ExPEC). Previous studies showed that O1, O2 and O78 serotypes are mostly associated with Colibacillosis outbreaks, but recently there are emergent new pathogenic…
1 Aug 2019
