Sayed A. M. Amer
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View article: STR profiling in a cohort of Saudi patients with acute leukemia
STR profiling in a cohort of Saudi patients with acute leukemia Open
Our results demonstrate the potential application of forensically used STR loci in diagnosis and monitoring of patients with leukemia. Further study applying next generation sequencing technology is necessary to validate these findings and…
View article: Effect of Carcinomas on Autosomal Trait Screening: A Review Article
Effect of Carcinomas on Autosomal Trait Screening: A Review Article Open
This review highlights the effect of carcinomas on the results of the examination of autosomal genetic traits for identification and paternity tests when carcinoid tissue is the only source and no other samples are available. In DNA typing…
View article: Short Tandem Repeat (STR) Profiling of Earwax DNA Obtained from Healthy Volunteers
Short Tandem Repeat (STR) Profiling of Earwax DNA Obtained from Healthy Volunteers Open
The present study aimed to establish human earwax as a potential source of DNA evidence that could be effectively used in human identification. Sixty earwax samples were obtained from 15 healthy male and female Saudi volunteers living in R…
View article: Forensic DNA Analysis of Mixed Mosquito Blood Meals: STR Profiling for Human Identification
Forensic DNA Analysis of Mixed Mosquito Blood Meals: STR Profiling for Human Identification Open
Mosquito vectors captured at a crime scene are forensically valuable since they feed on human blood, and hence, human DNA can be recovered to help identify the victim and/or the suspect. This study investigated the validity of obtaining th…
View article: BIOLOGY AND FEEDING POTENTIAL OF Cydonia vicinia isis Muls. (COLEOPTERA: COCCINELLIDAE) ON FOUR APHID SPECIES UNDER LABORATORY CONDITIONS
BIOLOGY AND FEEDING POTENTIAL OF Cydonia vicinia isis Muls. (COLEOPTERA: COCCINELLIDAE) ON FOUR APHID SPECIES UNDER LABORATORY CONDITIONS Open
In a laboratory setting at 22 ±1ºC and 65 ±5%, the growth and reproduction of the aphid species Aphis craccivora Koch, Aphis gossypii Glover, Hyalopterus pruni Geoffroy, and Brevicoryne brassicae L. as prey for the predator Cydonia vicinia…
View article: HOST PLANT PREFERENCE OF Pieris rapae L. ON VARIOUS PLANTS UNDER LABORATORY CONDITIONS
HOST PLANT PREFERENCE OF Pieris rapae L. ON VARIOUS PLANTS UNDER LABORATORY CONDITIONS Open
The suitability of three host plants, cabbage, turnip, and radish, for the evolution and propagation of Pieris rapae was estimated.Host plants were reared in larval instars after being detached.The evolution period was shorter when P. rapa…
View article: Efficacy of Some Predators and Lecanicillium lecanii Fungus in Controlling of Aphis gossypii (Glover) and Myzus persicae (Sulzer) in Potato Crop
Efficacy of Some Predators and Lecanicillium lecanii Fungus in Controlling of Aphis gossypii (Glover) and Myzus persicae (Sulzer) in Potato Crop Open
Lokma, N., A.A.A. Saleh, S.A.M. Amer and M F.M. Zawrah. 2023. Efficacy of Some Predators and Lecanicillium lecanii Fungus in Controlling of Aphis gossypii (Glover) and Myzus persicae (Sulzer) in Potato Crop. Arab Journal of Plant Protectio…
View article: Genetic characterization of the highlander Tibetan population from Qinghai-Tibet Plateau revealed by X chromosomal STRs
Genetic characterization of the highlander Tibetan population from Qinghai-Tibet Plateau revealed by X chromosomal STRs Open
Tibetans are considered an East Asian ethnic group and primarily live in the high Tibetan plateau, the western Sichuan and Yunnan mountains of central and southern China, and areas throughout the Himalayas and around the Tibetan plateau. T…
View article: Intraspecific molecular variation among Androctonus crassicauda (Olivier, 1807) populations collected from different regions in saudi arabia
Intraspecific molecular variation among Androctonus crassicauda (Olivier, 1807) populations collected from different regions in saudi arabia Open
Androctonus crassicauda is one of the medically important scorpion species occurring in the Middle East. In this study, molecular variation in mtDNA cytochrome oxidase subunit I (COI) gene within seven populations of A. crassicauda from fo…
View article: Hepatorenal Effects of Diclofenac and Ciprofloxacin in Rats
Hepatorenal Effects of Diclofenac and Ciprofloxacin in Rats Open
The toxic effect of diclofenac (DCF) sodium and Ciprofloxacin (CIP) on gene expression of cytochrome P450 oxidase (CYPs) and the histology of liver and kidney of male albino rat has been evaluated in this study. DCF and CIP were chosen sin…
View article: Variants Within over a Hundred Complete COVID-19 Genomes and the Impact on Health Security
Variants Within over a Hundred Complete COVID-19 Genomes and the Impact on Health Security Open
102 complete COVID-19 genomes have been collected from the viral genomes database to track and characterize novel variants. The data were treated bioinformatically so that 172 variants, with 127 unique and 45 polymorphic variants were foun…
View article: Forensic Application of ATP6 Gene Haplogroups in a Cohort of Obese Saudis
Forensic Application of ATP6 Gene Haplogroups in a Cohort of Obese Saudis Open
Blood samples from 108 obese individuals (73 males and 35 females) and 106 healthy ones (79 males and27 females) were collected from a cohort of Saudis inhabiting Riyadh province. ATP6 mitochondrial genewas amplified and sequenced to ident…
View article: Forensic Relationship between ATP6 Gene and Sperm Motility in a Saudi Population
Forensic Relationship between ATP6 Gene and Sperm Motility in a Saudi Population Open
Approximately 600 bp of ATP synthase subunit 6 mitochondrial gene (ATP6) were amplified and sequenced for 110 semen samples collected from infertile and normal Saudi men inhabiting Riyadh province. These data were analyzed in order to iden…
View article: Molecular survey of zoonotic Anaplasma phagocytophilum and genetic evidence of a putative novel Anaplasma species in goats from Taif, Saudi Arabia
Molecular survey of zoonotic Anaplasma phagocytophilum and genetic evidence of a putative novel Anaplasma species in goats from Taif, Saudi Arabia Open
Aim: Genus Anaplasma is of veterinary and public health importance, and its members utilize ruminants as key hosts in their epidemiology. To date, information about the occurrence and molecular identity of Anaplasma phagocytophilum and oth…
View article: The Ameliorative Effect of Green Tea, Garlic and Vitamin C on Arsenic Toxicity in Male Mice: Biochemical and Histological Forensic Perspectives
The Ameliorative Effect of Green Tea, Garlic and Vitamin C on Arsenic Toxicity in Male Mice: Biochemical and Histological Forensic Perspectives Open
Arsenic is a heavy metal with toxic effects on human health and is widely found in the environment. It is used in suicides and, hence, acquires forensic impact. Sixty adult male albino mice weighing 30-40 g were subjected to a sub-lethal d…
View article: A preliminary molecular survey of Babesia divergens and first evidence of Theileria annulata in cattle from Saudi Arabia
A preliminary molecular survey of Babesia divergens and first evidence of Theileria annulata in cattle from Saudi Arabia Open
Background and Aim: Babesia divergens causes human babesiosis in Europe where the parasite utilizes cattle as animal reservoir and Ixodes ricinus as tick vector. Importation of infected animals and passive carriage of infected ticks throug…
View article: First molecular identification of<i>Euphlyctis ehrenbergii</i>(Anura: Amphibia) inhabiting southwestern Saudi Arabia
First molecular identification of<i>Euphlyctis ehrenbergii</i>(Anura: Amphibia) inhabiting southwestern Saudi Arabia Open
The dicroglossid Euphlyctis ehrenbergii inhabiting southwestern Saudi Arabia has been identified morphologically and molecularly in this study. The morphometric measurements and their indices indicate that females are slightly bigger than …
View article: Ameliorative Effect of Natural and Synthetic Antioxidants on Arsenic Toxicity in Male Mice: Biochemical and Histological Perspectives
Ameliorative Effect of Natural and Synthetic Antioxidants on Arsenic Toxicity in Male Mice: Biochemical and Histological Perspectives Open
The present study aimed to investigate the protective effects of some natural and artificial antioxidants on the hepato-renal injuries induced by arsenic toxicity. Sixty adult male albino mice weighing 30-40 g were subjected to a sub-letha…
View article: Isolation, identification, and molecular diversity of indigenous isolates of Beauveria bassiana from Taif region, Saudi Arabia
Isolation, identification, and molecular diversity of indigenous isolates of Beauveria bassiana from Taif region, Saudi Arabia Open
The entomopathogenic fungus, Beauveria bassiana causes a disease known as the white muscadine disease in insects. Most of the entomopathogenic fungi are soil borne nature an attempt was made to collect the soil samples from various ecosyst…
View article: Forensic Evidence for Cytochrome b Gene SNPs in Obese and Non Obese Saudi Arabians
Forensic Evidence for Cytochrome b Gene SNPs in Obese and Non Obese Saudi Arabians Open
Oral swabs from obese and non obese Saudi Arabians from both sexes with an average age of 35 years old were collected and their DNAs were extracted. PCR for 1000 bp of the mitochondrial cytochrome b (cytb) gene was conducted and the amplif…
View article: Optimization and Validation of Analytical Method for Determination of Some Organic Disinfectants in Some Agricultural Products
Optimization and Validation of Analytical Method for Determination of Some Organic Disinfectants in Some Agricultural Products Open
In the present study, simple and reliable method for the analysis of some quaternary ammonium compounds (QACs) was developed, optimized and validated to meet the requirements of some agricultural products (green beans, orange and olive) sa…
View article: Food Consumption and Electrophoresis of Some Isoenzymes in the Motor Muscles of Schistocerca gregaria Fed on Lotus corniculatus
Food Consumption and Electrophoresis of Some Isoenzymes in the Motor Muscles of Schistocerca gregaria Fed on Lotus corniculatus Open
The desert locust, Schistocerca gregaria (Forskål, 1775) (Orthoptera, Acrididae), may feed in the Sahara desert on Lotus corniculatus (Fabaceae), which is rich in linamarin, a cyanogenic glucoside that is usually toxic for herbivores. The …
View article: Selenium Nanoparticles Ameliorative Effect on Acetaminophen Hepatotoxicity in Male Mice
Selenium Nanoparticles Ameliorative Effect on Acetaminophen Hepatotoxicity in Male Mice Open
Selenium nanoparticles (SeNPs) have been widely used as anti-inflammatory and anti-toxic agent. The present study used Bacillus tequilensis for biosynthesizing SeNPs from sodium selenite (Na2SeO3) and investigated its ameliorative effects …
View article: Identification of Human Bone Remains by Autosomal STRs and Mitochondrial DNA SNPs
Identification of Human Bone Remains by Autosomal STRs and Mitochondrial DNA SNPs Open
Advanced extraction and purification techniques were found to be essential tools for obtaining sufficient DNA from bones.However, in case of short tandem repeats (STRs) typing failure especially with old skeletal remains, mitochondrial DNA…
View article: Molecular Identification of Rosa x damascena Growing in Taif Region (Saudi Arabia)
Molecular Identification of Rosa x damascena Growing in Taif Region (Saudi Arabia) Open
A fragment of 772 bp of the chloroplast maturase K gene was amplified and sequenced for Rosa x damascena trigintipetala variety growing in Taif region of Saudi Arabia. The data were aligned with their counterparts of other varieties alread…
View article: Correlation between Mild Cognitive Impairment and Functional Status among Elderly
Correlation between Mild Cognitive Impairment and Functional Status among Elderly Open
Background:Mild cognitive impairment (MCI, also known as incipient dementia, or isolated memory impairment) is a brain function syndrome involving the onset and evolution of cognitive impairments beyond those expected based on the age educ…