نتایج جستجو برای: 16srrna gene

تعداد نتایج: 1141560  

Journal: :Algae 2022

Cyanobacteria are distributed worldwide, and many new cyanobacterial species discovered in tropical region. TheNostoc-like genus Amazonocrinis has been separated from the Nostoc based on polyphasic methods. However,species diversity within this remains poorly understood systematically because only one (Amazonocrinisnigriterrae) described. In study, two novel strains (NUACC02 NUACC03) were isola...

2013
Zahra Pourramezan Mohammad Roayaie Ardakani Gholam Reza Ghezelbash

Bacterial cellulose is produced by several species of Acetobacter and because of its unique properties; it has advantages over plant cellulose. Today, this biopolymer has numerous applications at many industrial fields. In this research, samples from different sources of Iran were collected and cultivated in an enrichment liquid medium for growth of acetic acid bacteria. After purification the ...

Contagious agalactia (CA) is a highly infectious disease of goats and sheep, and is a form of Mycoplasmosis,which is usually enzootic. Since Mycoplasma agalactiae (M. agalactiae) is the main cause of this disease ingoats, the aim of this study was to isolate and detect M. agalactiae from semen of goat bucks. Thirty-nine semensamples were collected from goat bulks, and all samples were cultured ...

2012
A. A. Al-Sulami T. A. A. Al-Edani A. A. Al-Abdula

Helicobacter pylori is recognized by the World Health Organization to be the primary cause of peptic ulcers, chronic gastritis, and stomach cancer, though the source of human infection is not well understood. One of the problems in understanding the source of human contamination is the difficulty in isolating the organism from the environment. However, the combination of PCR results with those ...

2016
C.I. Lo S.A. Sankar B. Fall B. Sambe-Ba O. Mediannikov C. Robert N. Faye B. Wade D. Raoult P.-E. Fournier F. Fenollar

Strain FF9T was isolated in Dakar (Senegal) from a blood-culture taken from a 16-month-old child. MALDI-TOF analysis did not allow for identification. After sequencing, strain FF9T exhibited 98.18% similarity with the 16SrRNA sequence of Paenibacillus uliginis. A polyphasic study of phenotypic and genomic analyses showed that strain FF9T is Gram variable, catalase-positive, and presents a genom...

2009
Mervat S. Mohamed

The use of microorganisms in the degradation and detoxification of many toxic xenobiotics, especially pesticides, is an efficient tool for the decontamination of polluted sites in the environment. A novel bacterial strain (M1) was isolated from several water samples contaminated with methomyl which is capable of degrading methomyl pesticide (1000 ppm) in the presence of 0.05% glucose. These wat...

H. Shirzad Aski M. Tabatabaei, R. Khoshbakht S. Hosseinzadeh

The objective of this study was to investigate the genotypic characteristics of Campylobacter isolates in Shiraz, Iran. A total of 40 Campylobacter isolates including 20 C. jejuni and 20 C. coli were recovered from both cattle and sheep faeces by cultivation methods. The isolates were identified on the basis of polymerase chain reaction (PCR) detection of 16SrRNA and multiplex PCR to determine ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی گرگان - دانشکده کشاورزی 1391

در این پژوهش، هشت نمونه شیر، ماست و مسکه (کره ی محلی حاصل از شیر گوسفند متداول در منطقه ی جنوب خراسان) به منظور بررسی فلور لاکتیکی، مورد مطالعه قرار گرفتند. محیط کشت های mrs و m17 به ترتیب جهت جداسازی لاکتوباسیلوس ها و کوکسی ها در دو دمای c°30 وc°37، استفاده شد. از 672 جدایه ی بدست آمده، 314 جدایه برای انجام آزمون های بیوشیمیایی انتخاب شدند. جدایه ها به کمک رنگ آمیزی گرم، مورفولوژی کلنی، رشد در...

Journal: :Journal of current biomedical research 2023

Antimicrobial resistance are associated with several virulence factors such as biofilm. The biofilm formation ability of S. aureus complicates effective therapeutic management infections. In this research, we intend to observe in using two vitro phenotypic methods: tissue culture plate and Congo red agar well genes Ica A B & D 16SrRNA. total 150 presumptive coagulase positive staphylococcal...

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