Articles
265 open-access articles · page 10 of 14
ArticlesThe gut microbiome and severity of SARS-CoV-2 infection: what is the link?
Jorge G. Robalino, Patricio A. Salazar, Nelson E. Muñóz, Diego M. Tene, Adriana B. Pedreáñez
In the recent years, studies of the human microbiome have aroused great interest. Several evidences suggest a connection between the gut microbiome and the human immune response at the pulmonary level, which has been defined as the "gut-lung axis&qu…
8 Feb 2025- Articles
Evolution, pathophysiology and genetic modulation of novel Coronavirus
Ena Gupta, Neha Mishra, Pragya Mishra, Priyanka Singh, Uroosa Noor, Shashi Soni
Recently, and after its emergence in Wuhan, China, the COVID-19 infection caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread in almost every country in the world. This infection has appeared as a subject of intensive de…
8 Feb 2025 - Articles
Biodegradation of plastic materials obtained from solid waste dumpsites in Nigeria, using native bacterial strains
Beatrice O. Ojiego, Obianuju P. Ilo, Fatima Dantanko, Shauibu A. Abdullahi, Ibrahim M. K. Gadzama, Paul Bolorunduro et al.
Plastic packaging materials constitute a major potential environmental pollutant due to their slow degradation rates. This study aimed to isolate the plastic-degrading bacteria from the solid waste dumpsites of Abuja, Nigeria. Soil samples (n= 72) and pl…
8 Feb 2025 - Articles
Sponges-associated marine bacteria as sources of antimicrobial compounds
Amal Nasser Alahmari, Shahira A. Hassoubah, Bothaina Ali Alaidaroos
Drug-resistant bacteria are considered to be a substantial risk to the public health. In recent years, a significant number of researches have focused on the marine environment as a promising, and underexplored source of compounds with remarkable bioacti…
8 Feb 2025 - Articles
Sponges-associated marine bacteria as sources of antimicrobial compounds
Amal Nasser Alahmari, Shahira A. Hassoubah, Bothaina Ali Alaidaroos
Drug-resistant bacteria are considered to be a substantial risk to the public health. In recent years, a significant number of researches have focused on the marine environment as a promising, and underexplored source of compounds with remarkable bioacti…
8 Feb 2025 - Articles
Staphylococcal cassette chromosome mec (SCCmec) typing and Gentamicin resistance in methicillin-resistant Staphylococcus aureus among children with atopic dermatitis in Egypt
Amira H. El-Ashry, Rasha H. El-Mahdy, Mohammad A. Gaballah, Rania Talaat
Children with atopic dermatitis (AD) have a higher prevalence of Staphylococcus aureus colonization. Gentamicin is an important topical antibiotic that is used in the treatment of AD lesions. This study aimed to evaluate the prevalence of gentamicin resi…
8 Feb 2025 - Articles
Genotyping of carbapenem resistant Acinetobacter baumannii isolated from Egyptian patients
Heba Ahmed Mohamed, Gamal Fadl Mahmoud Gad, Mona Fattouh Mohamed, Hend Harby Ahmed, Ameer Effat Elfarash, Nahed Fathallah Fahmy
Acinetobacter baumannii has recently been known as a major cause of hospital- and community-acquired infections. Carbapenem resistant A. baumanni (CRAB) has been recorded to be resistant to nearly all antibiotics, including the last resort antibiotics; c…
8 Feb 2025 - Articles
Evaluation of the antioxidant and antimicrobial activities of the spent coffee extracts and their applications as natural food preservatives of chicken fillets
Ghadir A. El-Chaghaby, Heba A. Shehta, Sayed Rashad, El-Shaimaa A. Rawash, Heba R. Eid
The present study aimed at evaluating the phytochemical composition, antioxidant, and antimicrobial potentials of spent coffee extracts (SCE) to use these extracts as natural preservatives of food. The effectiveness of SCE in postponing the oxidation and…
8 Feb 2025 - Articles
Association of multiple mutations in NS5A and NS5B genes and resistance to direct-acting antivirals in chronically infected Egyptian patients with Hepatitis C virus Genotype 4a
Gehad M. Mohamed, Ahmed B. Barakat, Marwa M. Gado, Fatma M. Abdallah
Approximately 71 million people worldwide are supposed to have chronic hepatitis C virus (CHCV). New direct-acting antiviral (DAA) medications have been used, which helped successfully in complete treatment of CHCV and achieved a sustained virological re…
8 Feb 2025 
ReviewPsychobiotics, Novel Therapeutic Agents for the Psychiatric Disorders
Praveen Reddy P, K. Sandhya, Aparna Srikantam
Various neurological disorders such as Parkinson’s disease, Alzheimer’s disease, autism spectrum disorder in young children, stress, anxiety etc., are afflicting the people all over the world. The pathophysiology of some of these disorders is not f…
5 Feb 2025DOI 10.17582/journal.NRMJ/2025/9.1.28.40- Articles
In vitro inhibitory potential of two synthesized fatty amides derivatives against some microbial pathogens
Fatiha Malki, Abdelkader Touati
In the present study, two amide derivatives with long chains; N-cyclohexyloctamide 1 and N- Phenyldodecanamide (dodecanilide) 2 were synthesized. They were tested in vitro for a wide array of antimicrobial activities against; two Gram positive bacteria (…
5 Feb 2025 - Articles
Screening and interaction between pathogens and antagonistic seed-borne fungi, associated with some organic spices and vegetable crops in Tunisia
Ibtissem Ben Salem, Yosra Abdelkhalek, Houssem Nabli, Neji Tarchoun, Naima Boughalleb-M’Hamdi
Seed-borne pathogenic and antagonistic fungi were isolated from the same organic vegetable and spice seeds (carrot, fennel, broad bean, faba bean, and lettuce), and the interaction between them were studied as a part of a biocontrol assay. In vitro dual…
5 Feb 2025DOI 10.21608/nrmj.2019.28109 - Articles
Isolation, characterization, and detection of antibacterial activity of a bioactive compound produced by marine Bacillus sp. MH20 from Suez Bay, Egypt
Mahmoud Saber Kelany, Ehab Aly Beltagy, Maha Abd El-Fattah Khalil, Mohamed Ahmed El-Shenawy, Wagih Abd El-Fattah El-Shouny
This study focused on isolating and identifying a new bacterial strain from marine water and sediments of Suez bay, Timsah Lake, Egypt; capable of producing a bioactive secondary metabolite. Of the 552 bacterial isolates recovered, only 40 of these isola…
5 Feb 2025 - Articles
Effect of Beta vulgaris root extracts in Rayeb milk on its microbiological, chemical and nutritional composition
Abeer, F. Ahmad, Afaf, O. Ali
The purpose of this study was to examine the use of beetroot (Beta vulgaris L.) extracts as natural colorant and antibacterial additives in Rayeb milk. Citric acid: ascorbic acid (2:1) (BCA) and citric acid (0.2%) (BC) were used as extraction solvents of…
5 Feb 2025 - Articles
Molecular identification and pathogenicity of Ralstonia solanacearum isolates collected from north west of Pakistan
Muhammad Junaid, Ayesha Bibi, Musharaf Ahmad, Muhammad Ali, Yousaf Noor
In the tomato commercial growing districts of Khyber Pakhtunkhwa (KP); a province in the north west of Pakistan, multiple comprehensive surveys were conducted during 2012. The main objectives of the current study were to identify the Ralstonia solanacear…
5 Feb 2025 - Articles
Antitumor efficacy of biosynthesized manganese nanoparticles
Eman Abuheiba, Sawsan M. El-Sonbaty, Nahed Abdel-Samed, Eman Kandil
This study aimed to evaluate the in vitro and in vivo antitumor potential of manganese nanoparticles, in management of hepatocellular carcinoma (HCC) induced in rats. Manganese nanoparticles were biosynthesized using Lactobacillus helveticus cells. In vi…
5 Feb 2025 - Articles
Escherichia 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…
5 Feb 2025 - Articles
The relationship and relativity between three isolates of Potato virus Y Potyvirus infecting potato (Solanum tuberosum L.) at Alexandria and El-Beheira governorates, northern Egypt
Mahmoud H. Abd El-Aziz, S.I. Behiry, H.A. Younes, Karrar A. Hamza
Potato virus Y (PVY) is a highly pathogenic virus, causing enormous economic losses in potato (S. tuberosum) crop. Three isolates of PVY were obtained from naturally infected potato plants showing mosaic; yellowing and vein necrosis symptoms, during 2017-2018…
5 Feb 2025 - Articles
Enhanced 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…
5 Feb 2025 - Articles
Prevalence 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…
5 Feb 2025