نتایج جستجو برای: 16S rRNA sequence

تعداد نتایج: 431815  

Journal: :iranian journal of biotechnology 2009
jayapradha ramakrishnan murugesh shunmugasundaram mahesh narayanan

the streptomycetes sp. scbt strain gen bank accession number eu143270 isolated from the rhizosphere soil of medicinal plants was collected from the kolli hills of tamil nadu, india. the strain streptomyces is designated as school of chemical and biotechnology (scbt), capable of inhibiting the growth of a wide range of gram-negative and gram-positive bacteria. an almost complete 16s rrna gene se...

A. R. Jabbari, G. R. Moazeni Jula M. Esmailzadeh M. Moosavi Shoushtari

Pasteurella multocida is known as an important heterogenic bacterial agent causes some severe diseases such as fowl cholera in poultry and haemorrhagic septicaemia in cattle and buffalo. A polymerase chain reaction (PCR) assay was developed using primers derived from conserved part of 16S-23S rRNA gene. The PCR amplified a fragment size of 0.7 kb using DNA from nine avian P. multocida  isolates...

2011
Mohammed Siraj Ud Din Magray Anup Kumar Anil Kumar Rawat Shipra Srivastava

A bacterial strain, designated BzDS03 was isolated from water sample, collected from Dal Lake Srinagar. The strain was characterized by using 16S ribosomal RNA gene and 16S-23S rRNA internal transcribed spacer region sequences. Phylogenetic analysis showed that 16S rRNA sequence of the isolate formed a monophyletic clade with genera Escherichia. The closest phylogenetic relative was Escherichia...

Journal: :iranian journal of veterinary research 2008
a. r. jabbari m. esmailzadeh g. r. moazeni jula m. moosavi shoushtari

pasteurella multocida is known as an important heterogenic bacterial agent causes some severe diseases such as fowl cholera in poultry and haemorrhagic septicaemia in cattle and buffalo. a polymerase chain reaction (pcr) assay was developed using primers derived from conserved part of 16s-23s rrna gene. the pcr amplified a fragment size of 0.7 kb using dna from nine avian p. multocida  isolates...

Actinomycetes are inexhaustible producers of commercially valuable metabolites, are continually screened for beneficial compounds. The taxonomic and phylogenetic study of novel actinomycetes strains are mostly based on conventional methods and primary DNA structure of 16s rRNA. Although 16s rRNA sequence is well accepted in phylogeny studies, its secondary structures have not been widely used. ...

Introduction: Mycoplasmas are one of the most serious contaminants of cellular cultures and their biological productions. Mycoplasma diagnosis is conducted on the basis of culture and molecular methods. These methods are different from each other in terms of accuracy, reliability, and sensitivity. This study aimed to trace the mycoplasma contaminations in culture samples using 16S rRNA specific...

Bahram Nasr Esfahani Ensieh Sarikhani Jamshid Faghri, Sharareh Moghim,

Introduction Many studies have shown epidemiological links between strains isolated in tap water, and those isolated from patients. Molecular methods linked to PCR are more reliable and faster for identification of             non- tuberculous mycobacteria(NTM). In this study molecular methods were used for identification and typing of NTM. Materials and Methods Five hundred ml of 85 water ...

Actinomycetes are inexhaustible producers of commercially valuable metabolites, are continually screened for beneficial compounds. The taxonomic and phylogenetic study of novel actinomycetes strains are mostly based on conventional methods and primary DNA structure of 16s rRNA. Although 16s rRNA sequence is well accepted in phylogeny studies, its secondary structures have not been widely used. ...

Journal: :iranian journal of basic medical sciences 0
sharareh moghim department of microbiology, school of medicine, isfahan university of medical sciences, isfahan, iran ensieh sarikhani department of microbiology, school of medicine, isfahan university of medical sciences, isfahan, iran bahram nasr esfahani department of microbiology, school of medicine, isfahan university of medical sciences, isfahan, iran jamshid faghri department of microbiology, school of medicine, isfahan university of medical sciences, isfahan, iran

introduction many studies have shown epidemiological links between strains isolated in tap water, and those isolated from patients. molecular methods linked to pcr are more reliable and faster for identification of             non- tuberculous mycobacteria(ntm). in this study molecular methods were used for identification and typing of ntm. materials and methods five hundred ml of 85 water samp...

Journal: :Acta Veterinaria Scandinavica 2008
Ingrid Hansson Marianne Persson Linda Svensson Eva Olsson Engvall Karl-Erik Johansson

BACKGROUND Campylobacter is the most commonly reported bacterial cause of enteritis in humans in the EU Member States and other industrialized countries. One significant source of infection is broilers and consumption of undercooked broiler meat. Campylobacter jejuni is the Campylobacter sp. predominantly found in infected humans and colonized broilers. Sequence analysis of the 16S rRNA gene is...

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