Abbas Jolodar

Shahid Chamran University of Ahvaz | scu · Department of Basic Sciences

Scorpions belong to the Buthidae family have several genera in the World. One of the genuses is Hottentotta which is located in Iran. There is no phylogenetic data regarding to his scorpion, in spite of its medical importance. Ten scorpion samples of Hottentotta Zagrosensis and H. saulcyi were collected from different regions of Khuzestan province...

Scorpion sting is one of the serious problems for public health especially in Khuzestan province. The genus Hemiscorpius scorpions are a major factor to scorpion sting and its related death particularly in children. Eleven specimens of Hemiscorpius lepturus scorpion were collected from 6 regions of Khuzestan province and after identification, genom...

Scorpion venom is the richest source of peptide toxins with high levels of specific interactions with different ion-channel membrane proteins. The present study involved the amplification and sequencing of a 310-bp cDNA fragment encoding a beta-like neurotoxin active on sodium ion-channel from the venom glands of scorpion Androctonus crassicauda be...

Shadegan wetland is one of the most important natural resources of Khuzestan in terms of richness. This wetland is an important habitate for many types of aquatic species(freshwater species and salty water species). Mesopotamichthys sharpeyi and Brbus grypus are among the most valuable species and resistant to environmental adverse conditions, so t...

Shadegan wetland is one of the most important natural resources of Khuzestan in terms of richness. This wetland is an important habitate for many types of aquatic species(freshwater species and salty water species). Mesopotamichthys sharpeyi and Brbus grypus are among the most valuable species and resistant to environmental adverse conditions, so t...

BACKGROUND: Hemiscorpius lepturus is a medically important scorpion found along the Iranian borders, especially near to Khuzestan Province in the south-west of Iran. This is the only non-buthid scorpion which is potentially lethal in southern Iran and is responsible for severe dermonecrotic scorpionism. OBJECTIVES: In this study, DNA fragment of th...

Degenerate primers-based polymerase chain reaction (PCR) are commonly used for isolation of unidentified gene sequences in related organisms. For designing the degenerate primers, we propose the use of local alignment search method for searching the preserved areas to design acceptable primers. To test this method, a WD40 repeat-containing domain p...

Ten Scorpion samples Mesobuthus eupeus were collected from Baghmalek region in the Khuzestan province of Iran before were identified by Razi Vaccine and Serum Research Institute reference laboratory of Ahvaz. Then, DNA was extracted by phenol/chloroform method in the Laboratory of Molecular Biology in the Faculty of Veterinary Medicine of Shahi...

Determination of related genes to prolificacy is very important for animal improvement. FecB, FecG and FecX are the important genes on the fecundity. The aim of this study was the determination of FecB and FecGH mutations in Lory goats of Lorestan Province. For this study 60 blood samples were collected from Lory goats. DNA was extracted by modifie...

Helminths are complex pathogens that ensure their long-term survival by influencing the immune responses of their host. Excretory/secretory products (ESP) can exert immunoregulatory effects which foster parasite survival. Galectins represent a widespread group of β-galactoside-binding proteins which are involved in a multitude of biological process...

Scorpion samples of Orthochirus iranus were collected from Khuzestan province in the southwest of Iran in the summer of 2017. The purpose of this study was morphometric analysis of male and female of orthochirus iranus and phylogenic relationship of this species with other scorpion of buthidae family. The most important character in males and femal...

Background: Pseudomonas aeruginosa is an opportunistic pathogen involved in many infections. Carbapenem-resistant P.aeruginosa has emerged as an important cause of infection in different hospitals worldwide. We aimed to determine frequencies of the four main resistance mechanisms [metallo-beta lactamase (MBL) production (blaIMP, blaVIM, blaSPM and...

Apolipoprotein A-I is the most abundant protein in Cyprinus carpio plasma that plays an important role in lipid transport and protection of the skin by means of its antimicrobial activity. A 527 bp cDNA fragment encoding C terminus part of apoA-I from the skin mucosa of common carp was isolated using RT-PCR. After GenBank database searching, a part...

Bacackground and purpose: Okra plant has different properties and some studies reported that this plant can lower the complications of diabetes. Herein, we studied the effects of okra powder on histomorphometry and histochemitry of the thyroid gland, lipid profile, as well as T3 and T4 hormones in HDF/STZ diabetic Wistar rats. Materials and methods...

BACKGROUND: Coccidiosis caused by Eimeria necatrix has the most economic impact on poultry production. Micronemal proteins in Eimeria necatrix are thought to be critical ligands determining host cell specificity at the time of invasion. OBJECTIVES: Isolation and purification of Eimeria necatrix oocysts from Khuzestan province of Iran was performed....

Theileriosis caused by Theileria lestoquardi (malignant ovine theileriosis) in sheep and Theileria annulata (tropical theileriosis) in cattle is an important hemoprotozoal tick-borne disease in Iran. Due to major biologic and phylogenic similarities of these two species, this study was carried out to investigate the occurrence of natural infections...

BACKGROUND: The Mesobuthus eupeus scorpion venoms are known to contain α-toxin peptides, many of which interfere with K+ ion channel function. These toxin peptides have important value in the pharmacology and physiology studies of specific K+ channel of cells. OBJECTIVES: Given the lack of information of the molecular biology of peptides in the tox...

Equine piroplasmosis (EP) is a tick-borne disease caused by two hemoprotozoan parasites, Theileria equi and Babesia caballi, which occurs in pre acute, acute, sub-acute and chronic forms. This disease is one of challenges for international movement of horses. The aim of this study is to evaluate hematological parameters and clinical signs of EP in...

Oestrus ovis is an economically important parasite of small ruminants and a zoonotic parasite with many reports of ophthalmomyiasis in human from Iran and other countries. The aim of the peresent study was the isolation and identification of excretory-secretory (ES) and somatic (S) antigens of O. ovis second and third stage larvae (L2, L3) collecte...

Background Methicillin-resistant Staphylococcus aureus (MRSA) and methicillin-resistant coagulase-negative staphylococci (MRCoNS) as important human pathogens are causes of nosocomial infections worldwide. Burn patients are at a higher risk of local and systemic infections with these microorganisms. Objective A screening method for MRSA by using a...

Forty-two isolates of Verticillium dahliae were recovered from stem and root samples of olive trees showing symptoms of verticillium wilt in various olive-growing regions in Tunisia. Each isolate was identified based on microscopic observations of morphological and cultural characteristics, pathogenicity tests, as well as PCR amplification using Vd...

Carbapenems are important drugs used for the treatment of Pseudomonas aeruginosa infections, however metallo-β-lactamases (MBL) are able to efficiently hydrolyze these classes of drugs. Immediate detection of the MBL-producing P. aeruginosa is necessary in order to accurately treat infections caused by this organism. To determine the prevalence of...

Equine piroplasmosis (EP) is a tick-borne disease caused by two hemoprotozoan parasites, Theileria equi and Babesia caballi, which occurs in pre acute, acute, sub-acute and chronic forms. This disease is one of challenges for international movement of horses. The aim of this study is to evaluate hematological parameters and clinical signs of EP...

Toxocara canis has a worldwide distribution and is regarded as the main cause of human toxocariasis. Infection in humans, particularly children, is frequently caused by accidental ingestion of embryonated Toxocara eggs present in soil, water, food, dirty hands. In this study, C-terminus part of an expressed sequence tag (EST) encoded phoshphogly...

Background: Mycobacterium tuberculosis genotyping can effectively improve tuberculosis (TB) control programs by controlling disease transmission. Pulsed field gel electrophoresis (PFGE) is a particularly powerful tool for determination of clonal identity of bacteria providing information for understanding and controlling the spread of disease. Ob...

Scorpion venom is important and rich source of peptides, most of which have been widely used as pharmacological tools for unraveling structure-function relationship of various ion channels. Naturally occurring toxins can be also considered as lead compounds in the development of novel drugs. In this context, the scorpion-derived peptide neurotoxins...

onsidering the lack of knowledge of the molecular biology of scorpion venom antibacterial peptides, as a first step we sequenced and identified a full-length sequence from the venom glands of scorpion (Mesobuthus eupeus) through RT-PCR. Scorpion toxin consists of different types of toxins and enzymes which are encoded by individual genes. Antimicro...

Scorpion venom glands produce some antimicrobial peptides (AMP) that can rapidly kill a broad range of microbes and have additional activities that impact on the quality and effectiveness of innate responses and inflammation. In this study, we reported the identification of a cDNA sequence encoding cysteine-free antimicrobial peptides isolated from...

The venoms of Buthidae scorpions are known to contain basic, single-chain protein α-toxins consisting of 60-70 amino acid residues that are tightly cross-linked by four disulfide bridges. Total RNA was extracted from the venom glands of scorpion Mesobuthus eupeus collected from the Khuzestan province of Iran and then cDNA was synthesized with the m...

Possessing putative hypolipidemic effects, Teucrium polium (TP) have been traditionally used as a medicinal plant in Iran. The aim of the present study was to investigate this effect on the sucrose-induced insulin resistance male rat model. Thirty Wistar male rats weighting 180 ± 20 g were divided into five groups of six each. Four groups were give...

DNA size markers are widely used to estimate the size of DNA samples on agarose or polyacrylamide gel electrophoresis (PAGE). DNA markers can be prepared by mixing PCR products with definite sizes. Alternatively, they are prepared by restriction enzyme digestion of the genomic DNA of bacteriophages or natural and synthetic DNA plasmids. The present...

Scorpion venom consists of different types of peptides and proteins which are encoded by individual genes. A full length cDNA consisting of 238 base pair nucleotides and encoding 74 amino acids peptide was isolated from the venom gland of the Iranian scorpion Mesobuthus eupeus (Buthidae family). This peptide named M. eupeus caerin-like antimicrobia...

Lysozyme is an antimicrobial protein widely distributed among eukaryotes and prokaryotes and take part in protecting microbial infection. Here, we amplified cDNA of MesoLys-C, a c-type lysozyme from the most common scorpion in Khuzestan Province, Southern Iran. Scorpions of Mesobuthus eupeus were collected from the Khuzestan Province. Using RNXTM s...

To investigate the genetic diversity of Mycobacterium tuberculosis (MTB) strains MIRU-VNTR as a powerful tool was used. In this study 80 isolates from patients were analyzed using primers based on IS6110 gene fragment specific for MTB complex. Then RD typing based on regions of difference was used to differentiate MTBC members. The MTB isolates wer...

UreB is one of the urease subunits of Helicobacter pylori and can be used as an excellent antigen candidate for H. pylori vaccination. Easy access to highly purified UreB protein, facilitate advances in therapeutic or preventive strategies. To achieve a simplified purification procedure, the present report represents a novel method of producing rec...

Kruppel-like factors (Klfs) are a highly related zinc-finger family of transcription factors implicated in the regulation of the eukaryotic cellular growth and differentiation of a diverse set of cells in mammal. Using RT-PCR technique, a 456 bp cDNA fragment encoding N-terminus part of a Klf2b was isolated from the skin mucosa of common carp (Cypr...

Aspartic proteases are a relatively small group of enzymes which express in various nematodes including Onchocerca volvulus. An estimation of the gene copy number corresponding to the OV7A clone, which contains a cDNA insert encoding approximately two-thirds of the entire coding sequence of aspartic protease of O. volvulus, was made by slot blot an...

Developing improved tuberculosis (TB) diagnostics is one of the international research priorities, as TB remains globally a major health threat. Loop-mediated isothermal amplification (LAMP) is a new nucleic acid detection method that can be used in low-resource settings, because it does not require expensive or complex instruments. Using the repet...

Wolbachia is an obligatory, intracellular alpha-proteobacterium which infect the reproductive and somatic tissues of some arthropod and nematode populations. Because there are not any available data on the presence of this bacterium in Iran, the present study was done to determine the presence of this bacterium among 30 species of arthropods and ne...

Adenylate kinases (ADK) are ubiquitous enzymes that contribute to the homeostasis of adenine nucleotides in living cells. In this study, the cloning of a cDNA encoding an adenylate kinase from the filaria Onchocerca volvulus has been described. Using PCR technique, a 281 bp cDNA fragment encoding part of an adenylate kinase was isolated from an O....

Objective: To identify the Methicillin Resistant Coagulase Negative Staphylococci (MRCONS) and Methicillin Resistant Staphylococcus aureus (MRSA) from clinical specimens and their antimicrobial susceptibility patterns. Methodology: All strains were recovered from clinical specimens according to 0.5 McFarland standard inoculated on Muller Hinton aga...

Although the hypocholesterolemic effect of phytosterols (plant stanols) has been demonstrated for several decades, the exact molecular mechanisms underlying this process are still poorly understood. The purpose of this study was to investigate whether the cholesterol-lowering and antiatherogenic effects of dietary phytosterols are associated with a...

The N-terminal region of the cathepsin D-like aspartic protease from the human filarial parasite Onchocerca volvulus was expressed as His-tag fusion protein. Light and electron microscopic immunohistology using antibodies against the recombinant protein showed labeling of lysosomes in the hypodermis and epithelia of the intestine and the reproducti...

Wolbachia are intracellular bacteria of many filarial nematodes. A mutualistic interaction between the endobacteria and the filarial host is likely, because the clearance of Wolbachia by tetracycline leads to the obstruction of embryogenesis and larval development. Databases were searched for exported molecules to identify candidates involved in th...

Enolase represents a multifunctional protein involved in basic energy metabolism and plasminogen binding and activation at the surface of prokaryotic pathogens. A complete cDNA of 1615 bp of an alpha-enolase from Onchocerca volvulus (Ov-ENO) was isolated using a PCR-based approach. The open reading frame encoded for 435 amino acids and the high deg...

Two constructions in pHS164 vector were designed to permit expression of OV7A and OV4A inserts encoding the N-terminal and C-terminal portion of an aspartic protease from Onchocerca volvulus, respectively. A novel 39 kD protein ompA-OV7A fusion protein was stably expressed as ompA fusion in a modified strain of Salmonella typhimurium strain SL5000...

A protein encoded by cDNAs from the human parasite Onchocerca volvulus and its homologs from Caenorhabditis elegans and Ancyclostoma caninum define a family of aspartic proteases that are most closely related to cathepsins D, but differ from them in lacking the N-glycosylation site known to be required for lysosomal targeting. The nematode proteins...

A protein encoded by cDNAs from the human parasite Onchocerca volvulus and its homologs from Caenorhabditis elegans and Ancyclostoma caninum define a family of aspartic proteases that are most closely related to cathepsins D, but differ from them in lacking the N-glycosylation site known to be required for lysosomal targeting. The nematode proteins...

PCR using 1 primer specific for aspartic proteases and 1 primer annealing to the vector allowed amplification of a 377 bp fragment encoding part of an aspartic protease from an Onchocerca volvulus cDNA library. Use of this fragment as a probe allowed the isolation of a larger cDNA clone. In common with 2 other nematode aspartic proteases, the O. vo...