OBJECTIVE In this study hypothesing the translocation of oral bacteria from oropharynx into the middle ear cavity may be involved in the pathogenesis of otitis media with effusion (OME), we aimed to investigate the presence and similarity of Fusobacterium nucleatum and Treponema denticola in saliva, nasopharyngeal secretion and the middle ear effusion samples from the children with OME. METHO...

This study is to investigate the subgingival bacterial diversity and community structure in the Uygur subjects with peri-implantitis.Totally 40 cases of gingival crevicular fluid were collected from Uygur subjects and divided into the Control group (healthy implants) and Case group (peri-implantitis), respectively. DNA was extracted, and the sequencing in the 16SrRNA V4-V5 region was conducted ...

prior investigators demonstrated helicobacter pylori as a risk factor of liver diseases. in this study association between h. pylori and hepatocellular carcinoma was investigated. patients and methods totally, 59 specimens of liver were collected from two health care centers affiliated to shahid beheshti university of medical sciences, including 22 specimens of hepatocellular carcinoma, 18 spec...

Salmonella entericaserovar Typhi remains a major public health problem in many developing countries .The severity and pathogenesis of the disease depending on virulence factors. Previously, different virulence factors have been detected phenotypically and serologically for clinical and epidemiological investigation of salmonella. Beyond the phenotypic characterization, a reliable molecular meth...

Rhizobium is a symbiotic biological nitrogen-fixing (BNF) bacteria. and has high diversity in different geographical regions worldwide. The BNF associated with the legume trees tropical environments improves efficiency of nitrogen increases soil organic matter, fertility. consists Mesorhizobium, Sinorhizobium, Bradyrhizobium, species belonging to each genera infecting specific host. This host s...

Although, many genes are involved in pathogenesis of Campylobacter, racR gene considered the main gene for Campylobacter pathogenicity in humans. The purpose of this study was determined the prevalence of recR gene in Campylobacter spp. isolated from domestic animals and water. To perform the study 392 fecal and water samples were collected from poultry(182), cow(141), sheep and goat(41) and w...

BACKGROUND/PURPOSE There are only three case reports of adult patients with spontaneous Pantoea agglomerans bacteremia in the English literature. The aim of this study was to investigate clinical and microbiologic characteristics patients of P agglomerans bacteremia. METHODS We studied all adult patients with P agglomerans bacteremia at a medical center from 2000 to 2010. The isolates were id...

Microbiologists are routinely engaged isolation, identification and comparison of isolated bacteria for their novelty. 16S rRNA sequences of Bacillus pumilus were retrieved from NCBI repository and generated QR codes for sequences (FASTA format and full Gene Bank information). 16SrRNA were used to generate quick response (QR) codes of Bacillus pumilus isolated from Lonar Crator Lake (19° 58' N;...