Introducción. Meloidogyne es un géne[1]ro de nematodos fitoparásitos importancia agrícola mundial. La diagnosis correcta estas debe incluir el uso diferentes herramientas identificación, ya que representa muchas especies. Objetivo. Identificar morfológica y molecularmente una población asociada a parcela papaya (Carica L.) en Costa Rica. Materiales métodos. En abril 2015, cantón Pococí-Limón, s...

the calomyscidae is a small family of rodentia that has recently been classified into 8 species in a single genus, calomyscus. currently 5 species are reported in iran: c. elburzensis,، c. bailwardi، c. grandis ، c. urartensis and c. hotsoni. species discrimination based on morphological characteristics is difficult, so this study re-evaluated the phylogenetic relationships and taxonomic status...

Fusarium verticillioides is a pathogen of agriculturally important crops, especially maize. It is considered one of the most important pathogens responsible for fumonisin contamination of food products, which causes severe, chronic, and acute intoxication in humans and animals. Moreover, it is recognized as a cause of localized infections in immunocompetent patients and disseminated infections ...

INTRODUCTION The efficacy of chemotherapy can be compromised by drug resistance. This study was undertaken to describe the resistance profiles and fluoroquinolone resistance mechanism of non-typhoidal Salmonella (NTS) isolated from humans and poultry in West Bank, Palestine. METHODOLOGY One hundred and fifty-one isolates of NTS, obtained from humans (71) and poultry (80), collected between Se...

Primers for PCR were selected from a sequenced fragment of clone pL590, which contains a repetitive element present in the genome of Leptospira interrogans serovar hardjo type hardjoprajitno (M. L. Pacciarini, M. L. Savio, S. Tagliabue, and C. Rossi, J. Clin. Microbiol. 30:1243-1249, 1992). A specific DNA fragment was amplified from the genomic DNAs of serovar hardjo type hardjoprajitno and nin...

Tissue samples were collected from coconut palms with symptoms of lethal yellowing (LY) disease in Jamaica. Palms were sampled at 50 sites exhibiting varying levels of mortality due to LY. Samples were assayed for phytoplasma infection by polymerase chain reaction (PCR) assays. Detected phytoplasmas were characterized by dot blot nucleic acid hybridisation, restriction fragment length polymorph...

Helicobacter pylori is the most common gastric bacteria of human beings. Animal-borne helicobacter have been associated with gastritis, ulceration, and gastric mucosa-associated lymphoid-tissue lymphoma in people. We attempted to identify the species of Helicobacter spp. that infect human beings in north Paran , Brazil. Samples of gastric mucosa from 38 dyspeptic patients were analyzed by optic...

The implications of the methylene tetrahydrofolate reductase (MTHFR) gene and the level of homocysteine in the pathogenesis of coronary artery disease (CAD) have been extensively studied in various ethnic groups. Our aim was to discover the association of MTHFR (C677T) polymorphism and homocysteine level with CAD in north Indian subjects. The study group consisted of 329 angiographically proven...

The etiologic agent of Lyme borreliosis, Borrelia burgdorferi sensu lato, has been isolated from many biologic sources in North America and Eurasia, and isolates have been divided into three distinct genospecies (B. burgdorferi sensu stricto, Borrelia garinii, and Borrelia afzelii). In order to explore the possible association of genospecies with disease manifestation, 60 isolates of B. burgdor...