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Antibiotics, Volume 10, Issue 5

May 2021 - 141 articles

Cover Story: Bacterial pathogens have developed mechanisms of resistance to antimicrobial agents. Multidrug-resistant pathogens are a particular public health concern. One drug resistance mechanism involves the enzymatic hydrolysis of anti-bacterial agents. Biochemical modification of antibiotics using bacterial enzymes constitutes a second resistance mechanism. Another bacterial resistance mechanism consists of the alteration of antibiotic targets that are located in the bacterial cytoplasm. A fourth mechanism encompasses the reduced permeability of bacteria to antimicrobials by the modulation of porins. A fifth mechanism entails the active transport of antimicrobial agents by integral membrane-based efflux pump systems. This review article summarizes these resistance mechanisms and provides directions for future investigation. View this paper
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Articles (141)

  • Article
  • Open Access
12 Citations
5,220 Views
20 Pages

Human metagenomes with a high diversity of virulence genes tend to have a high diversity of antibiotic-resistance genes and vice-versa. To understand this positive correlation, we simulated the transfer of these genes and bacterial pathogens in a com...

  • Article
  • Open Access
7 Citations
5,411 Views
15 Pages

Educational Video Improves Knowledge about Outpatients’ Usage of Antibiotics in Two Public Hospitals in Indonesia

  • Fauna Herawati,
  • Rika Yulia,
  • Bustanul Arifin,
  • Ikhwan Frasetyo,
  • Setiasih,
  • Herman J. Woerdenbag,
  • Christina Avanti and
  • Retnosari Andrajati

The inappropriate use or misuse of antibiotics, particularly by outpatients, increases antibiotic resistance. A lack of public knowledge about “Responsible use of antibiotics” and “How to obtain antibiotics” is a major cause of this. This study aimed...

  • Article
  • Open Access
6 Citations
3,866 Views
10 Pages

Multi-Drug Resistant Organisms Infection Impact on Patients Length of Stay in Respiratory Care Ward

  • Yi-Ping Chen,
  • Xian-Wen Tasi,
  • Ko Chang,
  • Xuan-Di Cao,
  • Jung-Ren Chen and
  • Chien-Sen Liao

This study aimed to investigate the effects of multi-drug-resistant organism (MDRO) infection and other factors on the length of hospital stay (LOS) of patients in the respiratory care ward (RCW) of a regional hospital in Taiwan. In this retrospectiv...

  • Review
  • Open Access
12 Citations
3,810 Views
13 Pages

Sensitivity of Staphylococcal Biofilm to Selected Compounds of Plant Origin

  • Denis Swolana,
  • Małgorzata Kępa,
  • Agata Kabała-Dzik,
  • Radosław Dzik and
  • Robert D. Wojtyczka

Staphylococcus epidermidis is a bacterium that belongs to the human microbiota. It is most plentiful on the skin, in the respiratory system, and in the human digestive tract. Moreover, it is the most frequently isolated microorganism belonging to the...

  • Brief Report
  • Open Access
9 Citations
3,062 Views
8 Pages

Infections caused by multidrug-resistant Acinetobacter baumannii would benefit from the development of novel treatment approaches. Compounds that interfere with bacterial iron metabolism, such as iron chelators and gallium nitrate, have previously be...

  • Article
  • Open Access
2 Citations
3,639 Views
13 Pages

Development and Pilot of an Interactive Online Course on Antimicrobial Stewardship in Companion Animals

  • Nonke E. M. Hopman,
  • Jaap A. Wagenaar,
  • Ingeborg M. van Geijlswijk and
  • Els M. Broens

A holistic approach to antimicrobial use (AMU) and prescribing is needed to combat the problem of antimicrobial resistance (AMR). Previously, an antimicrobial stewardship programme (ASP) was developed, introduced, and evaluated in 44 Dutch companion...

  • Article
  • Open Access
29 Citations
5,695 Views
17 Pages

Xanthones Active against Multidrug Resistance and Virulence Mechanisms of Bacteria

  • Fernando Durães,
  • Diana I. S. P. Resende,
  • Andreia Palmeira,
  • Nikoletta Szemerédi,
  • Madalena M. M. Pinto,
  • Gabriella Spengler and
  • Emília Sousa

The emergence of multidrug and extensively drug-resistant pathogenic bacteria able to resist to the action of a wide range of antibiotics is becoming a growing problem for public health. The search for new compounds with the potential to help in the...

  • Article
  • Open Access
17 Citations
3,488 Views
16 Pages

Background: Antibiotic use in pregnant women at the national level has rarely been reported in China. Objectives: We aimed to investigate antibiotic prescriptions during pregnancy in ambulatory care settings in China. Methods: Data of 4,574,961 ambul...

  • Communication
  • Open Access
2 Citations
4,336 Views
8 Pages

Pharmacodynamic Evaluation of a Single Dose versus a 24-Hour Course of Multiple Doses of Cefazolin for Surgical Prophylaxis

  • Aaron Heffernan,
  • Jowana Alawie,
  • Steven C Wallis,
  • Saiyuri Naicker,
  • Santosh Adiraju,
  • Jason A. Roberts and
  • Fekade Bruck Sime

The optimal perioperative duration for the administration of cefazolin and other prophylactic antibiotics remains unclear. This study aimed to describe the pharmacodynamics of cefazolin for a single 2 g dose versus a 24 h course of a 2 g single dose...

  • Article
  • Open Access
18 Citations
6,744 Views
16 Pages

Enrofloxacin Dose Optimization for the Treatment of Colibacillosis in Broiler Chickens Using a Drinking Behaviour Pharmacokinetic Model

  • Robin Temmerman,
  • Ludovic Pelligand,
  • Wim Schelstraete,
  • Gunther Antonissen,
  • An Garmyn and
  • Mathias Devreese

Enrofloxacin is frequently administered via drinking water for the treatment of colibacillosis in broiler chickens. However, the EMA/CVMP has urged to re-evaluate historically approved doses, especially for antimicrobials administered via drinking wa...

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Antibiotics - ISSN 2079-6382