Transfer of Antibiotic Resistance

نویسندگان

  • Linda A. Bester
  • Sabiha Y. Essack
  • Linda Bester
چکیده

Vol. 106 No. 9/10 Page 1 of 5 ABSTRACT The mechanisms that bacteria use to acquire additional genetic material, including genes coding for antibiotic resistance, are principally the secondary pathways that have been described as transformation and conjugation pathways. The farming industry often is reported as a hotspot for antibiotic-resistance reservoirs. In this review, we consider the exposure of food animals during the course of their lifespans to preventative, therapeutic or prophylactic treatment with antibiotic agents. In this context, zoonotic bacteria are commonly recognised as a potential threat to human health, with therapeutic treatment of pathogenic organisms on farms increasing the likelihood of selective antibiotic pressure influencing the commensal flora of the intestines. Existing literature indicates, however, that the effective impact on human health of such interventions in the food production process is still subject to debate.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

انتقال ژن‌های بیماری‌زایی و مقاومت آنتی‌بیوتیکی در گونه‌های انتروکوک از طریق کانجوگاسیون

    Background & Aim: Enterococci comprise an important and diverse group of bacteria that cause disease in human and animals. They reside in the gastrointestinal tract of human and animal, soil, water, foods, and can persist in elevated salt contents and various pH values. They can readily acquire antibiotic resistance and various other virulence factors. In this study, the prevalence of vario...

متن کامل

Evaluation of Virulence Factors and Plasmid-Related Transmissibility among Different Isolates of Enterococci

The incidence of virulence factors among 114 Enterococcus faecalis and 35 Enterococcus faecium strains from different clinical specimens were compared with those isolated from control groups. A few of the isolates expressed two or more of the following traits simultaneously: hemolysin, aggregation substance, gelatinase, DNase, hemagglutinin and antibiotic resistance. The frequencies of hemolysi...

متن کامل

The evaluation of phenotyping and molecular resistance to antibiotics in Proteus species isolated from urinary tract infections in Ilam city

Introduction: Resistance of pathogenic organisms to countenance antibiotics has become a worldwide problem with serious consequences on the treatment of infectious diseases. The aim of this study was to evaluate antibiotic resistance and also the detection of transferred antibiotic resistance by plasmid in clinical Proteus isolates. Materials and methods: A total of 250 urine samples were ...

متن کامل

Horizontal gene transfer in the human gastrointestinal tract: potential spread of antibiotic resistance genes

Bacterial infections are becoming increasingly difficult to treat due to widespread antibiotic resistance among pathogens. This review aims to give an overview of the major horizontal transfer mechanisms and their evolution and then demonstrate the human lower gastrointestinal tract as an environment in which horizontal gene transfer of resistance determinants occurs. Finally, implications for ...

متن کامل

Antibiotic Susceptibility in Enterococci Isolated from Patients in Kerman, Southeastern Iran

Background: Enterococci faecalis are predominating species of Enterococci causing nosocomial infections. Acquisition of resistance to antibacterial agents, and ability to transfer the resistant genes made them clinically important. This study was performed to determine the frequency of isolation of different species of Enterococci, and the antibacterial resistance pattern of the isolated specie...

متن کامل

Attempted transfer of antibiotic resistance between Bacteroides and Escherichia coli.

Transfer of antibiotic resistance between Bacteroides organisms and E. coli in mixed culture under optimal anaerobic conditions was attempted. Donor strains used were E. coli with R factors of a number of compatibility groups and Bacteroides with unusually high antibiotic resistance. Recipient strains included E. coli strains with characteristics favouring conjugal transfer. Although control ex...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2010