نتایج جستجو برای: 16srrna gene

تعداد نتایج: 1141560  

Journal: :iranian journal of veterinary research 2014
r. khoshbakht m. tabatabaei h. shirzad aski 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 ...

Journal: :Diyala Journal of Medicine 2022

Background: The region that a magnetic force has an effect on is known as field. Normally, two poles of this field are concentrated. Most objects made up variety tiny fields domains. There many different techniques have been published in the literature for using energy diagnostic tool and treating illnesses both humans animals.
 Objective: To examine influence varying amounts static viabil...

Journal: :Journal of Animal Science 2022

Abstract The rumen microbiome has an important role in providing nutrition to ruminants, which is linked feed efficiency and environmental adaptability of ruminants. However, there no report about the influence different altitude regions on fermentation parameters microbiota Sanhe cattles. In this study, 20 ruminal fluid samples heifers were collected from Hulunbuir City, Inner Mongolia Autonom...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه خلیج فارس - دانشکده علوم پایه 1392

میگوی ببری سبز خلیج فارس،p. semisulcatus یکی از گونه های مهم جنس penaeus در خلیج فارس است. براساس خصوصیات ریختی، زیرگونه جدیدی از آن، با نام p.(penaeus) semisulcatus persicus معرفی شده است. برای مطالـعه تفاوت های ژنتیکی میان گونه و زیر گونه مذکور،ناحیه 16srrna/trna val به عنوان نشانگر میتوکندریایی و its-i به عنوان نشانگر ژنومیک مورد توجه قرار گرفتند. لذا 3 نمونه از گونه و 3 نمونه از زیر گونه از...

حسین علی راهدار, شهرام شهرکی‌زاهدانی مسعود کیخا,

زمینه و هدف:مایکوباکتریوم های غیر سلی باکتری های اسید فاستی هستند که در منابع محیطی از قبیل: آب، خاک، گرد و غبار، شیر و سبزیجات در حال فساد زندگی میکنند. براساس طبقه بندی رانیون این باکتری ها به دو دسته مایکوباکتریوم های تند رشد و سخت رشد تقسیم بندی می شوند که هر دو گروه آنها از نمونه های بالینی جدا می شوند. هدف از این مطالعه ارزیابی سه ژن خانه دار در شناسایی افتراق مایکوباکتریوم های غیر سلی بو...

Journal: :Egyptian Academic Journal of Biological Sciences, G. Microbiology 2011

Journal: :American Journal of Molecular Biology 2022

Background: Urosepsis is one of the most common infections that require empirical broad spectrum antibiotics immediately after diagnosis. This has led to development bacterial resistance by acquiring capability destroy β-lactam ring. Methodology: a cross-sectional hospital-based study. The study was conducted from 2019 2020 at Gezira Hospital for Renal diseases and surgery (GHRDS). A hundred pa...

2017
K. A. Abd El-Razik A. A. Arafa R. H. Hedia E. S. Ibrahim

AIM This study was devoted to elucidate the tetracycline resistance of coagulase-negative staphylococci (CNS) derived from normal and subclinical mastitic (SCM) buffaloes' milk in Egypt. MATERIALS AND METHODS A total of 81 milk samples from 46 normal buffalo milk samples and 35 SCM buffalo milk samples at private dairy farms of Egypt were used in this study. CNS were identified using phenotyp...

Journal: :Microbes, infection and chemotherapy 2022

Introduction. Chronic persistent device-related infections (DRIs) often give culture-negative results in a microbiological investigation. In such cases, investigations on the device metagenome might have diagnostic value. Materials and Methods. The 16SrRNA gene sequence analysis next-generation sequencing (NGS) of clinical were performed to detect bacterial diversity invasive medical devices po...

Journal: :Journal of Pure and Applied Microbiology 2022

Polar microbiology remains as the most fascinating area of research which mainly focuses on exploration psychrophilic organisms for having their cold-active enzymes biotechnological potential. In this study, we have explored a culturable bacterial community and isolated 27 isolates with different morphology from an unexplored site Arctic region, possibility identifying various active biomolecul...

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