221 publication(s) trouvée(s)
Article scientifique
High-frequency direct somatic embryogenesis and plantlet regeneration from date palm immature inflorescences using picloram
BACKGROUND: Date palm (Phoenix dactylifera L.) is a traditional crop in arid and semi-arid areas. Its vegetative propagation can be …
Article scientifique
Nanoparticles induce genetic, biochemical, and ultrastructure variations in Salvadora persica callus
BACKGROUND: Salvadora persica is an endangered medicinal plant due to difficulties in its traditional propagation. It is rich in bioactive …
Article scientifique
Heparanase (HPSE) gene polymorphism (rs12503843) contributes as a risk factor for hepatocellular carcinoma (HCC): a pilot study among Egyptian patients
BACKGROUND: Heparanase activity was found to be included in human cancer development and growth. Heparanase (HPSE) gene single nucleotide polymorphisms …
Article scientifique
Diagnostic performances of leucine-rich α-2-glycoprotein 1 and stem cell factor for diagnosis and follow-up of colorectal cancer
BACKGROUND: Colorectal cancer (CRC) is one of the most frequently diagnosed tumors worldwide with high mortality and morbidity. There is …
Article scientifique
EgyGene GelAnalyzer4: a powerful image analysis software for one-dimensional gel electrophoresis
BACKGROUND: Gel image analysis is a cornerstone in electrophoresis-based experiments. Nature of the experiment determines the target of the analysis. …
Article scientifique
In silico analysis of promoter regions and regulatory elements (motifs and CpG islands) of the genes encoding for alcohol production in Saccharomyces cerevisiaea S288C and Schizosaccharomyces pombe 972h-
BACKGROUND: The crucial factor in the production of bio-fuels is the choice of potent microorganisms used in fermentation processes. Despite …
Article scientifique
Assessment of correlation between asthenozoospermia and mitochondrial DNA mutations in Egyptian infertile men
BACKGROUND: Asthenozoospermia is a chief reason for male seminal pathologies with an impression of around 19% of infertile patients. Spermatozoa …
Article scientifique
Genetic and physiological variation in two strains of Japanese quail
BACKGROUND: Detecting the genetic and physiological variations in two Japanese quail strains could be used to suggest a new avian …
Article scientifique
Phospholipase A2 enzyme from the venom of Egyptian honey bee Apis mellifera lamarckii with anti-platelet aggregation and anti-coagulation activities
Honey bee venom contains various enzymes with wide medical and pharmaceutical applications. The phospholipase A2 (PLA2) has been apparently purified …
Article scientifique
Thidiazuron-induced direct organogenesis from immature inflorescence of three date palm cultivars
BACKGROUND: Inflorescence explants of date palm proved to be a promising tool for micropropagation of elite cultivars or rare males …
Article scientifique
Homology modeling and molecular docking simulation of some novel imidazo[1,2-a]pyridine-3-carboxamide (IPA) series as inhibitors of Mycobacterium tuberculosis
BACKGROUND: Tuberculosis (TB) remains a serious global health challenge that is caused by Mycobacterium tuberculosis and has killed numerous people. …
Article scientifique
Molecular docking studies of some selected gallic acid derivatives against five non-structural proteins of novel coronavirus
BACKGROUND: The World Health Organization has recently declared a new coronavirus disease (COVID-19) a pandemic and a global health emergency. …
Article scientifique
Lipase from Rhizopus oryzae R1: in-depth characterization, immobilization, and evaluation in biodiesel production
Rhizopus species is among the most well-known lipase producers, and its enzyme is suitable for use in many industrial applications. …
Article scientifique
Activation of LacZ gene in Escherichia coli DH5α via α-complementation mechanism for β-galactosidase production and its biochemical characterizations
BACKGROUND: Plasmid propagation in recombination strains such as Escherichia coli DH5α is regarded as a beneficial instrument for stable amplification …
Article scientifique
In silico design and validation of a highly degenerate primer pair: a systematic approach
BACKGROUND: The techniques of amplifying genetic materials have enabled the extensive study of several biological activities outside the biological milieu …
Article scientifique
Antioxidant or pro-oxidant and glutathione transferase P1-1 inhibiting activities for Tamarindus indica seeds and their cytotoxic effect on MCF-7 cancer cell line
The multidrug resistance (MDR) of cancer cells is a major obstacle to cancer treatment. Glutathione S-transferase Pi (GSTP1-1) catalyzes the …
Article scientifique
Partial purification and biochemical characterization of a new highly acidic NYSO laccase from Alcaligenes faecalis
Due to the multitude industrial applications of ligninolytic enzymes, their demands are increasing. Partial purification and intensive characterization of contemporary …
Article scientifique
Screening and optimization of indole-3-acetic acid production and phosphate solubilization by rhizobacterial strains isolated from Acacia cyanophylla root nodules and their effects on its plant growth
Plant growth-promoting rhizobacteria (PGPR) are known to improve plant growth and are used as biofertilizers, thanks to their numerous benefits …
Article scientifique
In vivo evaluation of the toxicity, genotoxicity, histopathological, and anti-inflammatory effects of the purified bioglycerol byproduct in biodiesel industry
BACKGROUND: Biodiesel has gained an increased popularity as a good alternative for fossil fuel because of its unusual qualities as …
Article scientifique
Ribosomal DNA localization on Lathyrus species chromosomes by FISH
BACKGROUND: Fluorescence In Situ Hybridization (FISH) played an essential role to locate the ribosomal RNA genes on the chromosomes that …