نتایج جستجو برای: inva gene
تعداد نتایج: 1141522 فیلتر نتایج به سال:
Salmonella enterica subspecies enterica serovar Gallinarum biovar Gallinarum is the causative agent of fowl typhoid in chickens, outbreaks of which have devastated poultry populations in Korea since 1992. In order to identify genetic differences among S. Gallinarum isolates, bacteria were examined using the random amplified polymorphic DNA (RAPD) method. Of 13 arbitrary primers screened initial...
Background: Salmonella can cause serious human gastroenteritis and is frequently isolated from various food samples. The cell culturing, immunoassay, and polymerase chain reactions (PCR) are the current methods to detect such pathogenic agents. However, these methods are time-consuming and labor-intensive, and thus unavailable for rapid-monitoring of Salmonella</em...
The microbial quality of water that comes into the edible portion of produce is believed to directly relate to the safety of produce, and metrics describing indicator organisms are commonly used to ensure safety. The US FDA Produce Safety Rule (PSR) sets very specific microbiological water quality metrics for agricultural water that contacts the harvestable portion of produce. Validation of the...
An accurate method for enumerating pathogen indicators, such as Escherichia coli (E. coli), and Salmonella spp. is important for assessing the safety of compost samples. This study aimed to determine the occurrence of pathogen indicators in compost samples by using a molecular approach known as Polymerase Chain Reaction (PCR). The DNA sample was extracted from sewage sludge compost. The specifi...
Purpose: Salmonella is a significant pathogen affecting wider range of animals and one the main causes diarroeal diseases leading to millions human cases globally. Pathogenicity islands (SPI) are imperative in invasion host cell pathogenesis within cell. It found that SPI from 1 5 present every serovars S. enterica these laterally acquired virulence regions.Research Method: This study investiga...
AIM The aim was to assess the prevalence of Salmonella in raw chevon and chicken meat sold in the retail meat shops situated in and around Durg, Rajnandgaon, Dhamtari, Raipur, and Bilaspur districts of Chhattisgarh. Studies were also conducted to find out the antibiotic resistance in Salmonella isolates. MATERIALS AND METHODS A total of 400 samples comprising of 200 chevon meat and 200 chicke...
The two positive cis elements in the soybean nodulin N23 gene promoter were investigated in transgenic Lotus corniculatus plants and shown to constitute a two-component nodule-specific enhancer. Equal quantitative contributions from the two components were suggested by the similar expression level of chimeric N23-chloramphenicol acetyltransferase genes after deletion of either the distal positi...
As linguiças frescais estão entre os embutidos cárneos mais consumidos pela população brasileira devido ao preço acessível. Esse estudo avaliou a qualidade microbiológica de frango comercializadas no Distrito Federal. análises realizadas foram: contagem total bactérias mesófilas e psicrotróficas, determinação coliformes totais termotolerantes, Staphylococcus aureus pesquisa Salmonella spp . Os ...
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