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20 Results Found

  • Article
  • Open Access
5 Citations
2,588 Views
10 Pages

Detection of an Enterococcus faecium Carrying a Double Copy of the PoxtA Gene from Freshwater River, Italy

  • Marzia Cinthi,
  • Sonia Nina Coccitto,
  • Gianluca Morroni,
  • Gloria D’Achille,
  • Andrea Brenciani and
  • Eleonora Giovanetti

13 November 2022

Oxazolidinones are valuable antimicrobials that are used to treat severe infections due to multidrug-resistant (MDR) Gram-positive bacteria. However, in recent years, a significant spread of clinically relevant linezolid-resistant human bacteria that...

  • Article
  • Open Access
8 Citations
3,392 Views
11 Pages

Previous studies on the prevalence and transmission mechanism of oxazolidinone resistance gene poxtA in CoNS are lacking, which this study addresses. By screening 763 CoNS isolates from different sources of several livestock farms in Guangdong, China...

  • Article
  • Open Access
21 Citations
3,158 Views
10 Pages

Detection of the Phenicol–Oxazolidinone Resistance Gene poxtA in Enterococcus faecium and Enterococcus faecalis from Food-Producing Animals during 2008–2018 in Korea

  • Seok-Hyeon Na,
  • Dong-Chan Moon,
  • Mi-Hyun Kim,
  • Hee-Young Kang,
  • Su-Jeong Kim,
  • Ji-Hyun Choi,
  • Abraham-Fikru Mechesso,
  • Soon-Seek Yoon and
  • Suk-Kyung Lim

We aimed to investigate the presence of the phenicol–oxazolidinone resistance gene poxtA in linezolid-resistant enterococci from food-producing animals and analyze its molecular characteristics. We collected 3941 Enterococcus faecium and 5088 E...

  • Article
  • Open Access
11 Citations
2,739 Views
12 Pages

Prevalence and Genetic Analysis of Resistance Mechanisms of Linezolid-Nonsusceptible Enterococci in a Tertiary Care Hospital Examined via Whole-Genome Sequencing

  • Yuxin Hu,
  • Dongju Won,
  • Le Phuong Nguyen,
  • Kennedy Mensah Osei,
  • Younghee Seo,
  • Junglim Kim,
  • Yoonhee Lee,
  • Hyukmin Lee,
  • Dongeun Yong and
  • Kyungwon Lee
  • + 1 author

14 November 2022

(1) Background: Linezolid plays an important role in the treatment of invasive infections caused by vancomycin-resistant enterococci after its introduction to clinical practice. However, a detailed examination of linezolid-nonsusceptible enterococci...

  • Article
  • Open Access
20 Citations
4,966 Views
20 Pages

Enterococci are part of the commensal gut microbiota of mammals, with Enterococcus faecalis and Enterococcus faecium being the most clinically relevant species. This study assesses the prevalence and diversity of enterococcal species in cattle (n = 2...

  • Communication
  • Open Access
2,068 Views
10 Pages

Phylogeny of Transferable Oxazolidinone Resistance Genes and Homologs

  • Gábor Kardos,
  • Levente Laczkó,
  • Eszter Kaszab,
  • Bálint Timmer,
  • Krisztina Szarka,
  • Eszter Prépost and
  • Krisztián Bányai

Oxazolidinone resistance, especially transmissible resistance, is a major public health concern, and the origin of this resistance mechanism is not yet resolved. This study aims to delve into the phylogenetic origin of the transmissible oxazolidinone...

  • Article
  • Open Access
45 Citations
4,113 Views
19 Pages

Detection of Oxazolidinone Resistance Genes and Characterization of Genetic Environments in Enterococci of Swine Origin, Italy

  • Simona Fioriti,
  • Gianluca Morroni,
  • Sonia Nina Coccitto,
  • Andrea Brenciani,
  • Alberto Antonelli,
  • Vincenzo Di Pilato,
  • Ilaria Baccani,
  • Simona Pollini,
  • Lucilla Cucco and
  • Eleonora Giovanetti
  • + 4 authors

One hundred forty-five florfenicol-resistant enterococci, isolated from swine fecal samples collected from 76 pig farms, were investigated for the presence of optrA, cfr, and poxtA genes by PCR. Thirty florfenicol-resistant Enterococcus isolates had...

  • Article
  • Open Access
14 Citations
4,888 Views
12 Pages

Linezolid Resistance Genes and Mutations among Linezolid-Susceptible Enterococcus spp.—A Loose Cannon?

  • Jennifer K. Bender,
  • Carola Fleige,
  • Finn Funk,
  • Clara Moretó-Castellsagué,
  • Martin A. Fischer and
  • Guido Werner

The National Reference Centre for Enterococci receives an increasing number of linezolid-resistant Enterococcus isolates. Linezolid (LIN) resistance is mediated by G2576T 23S rDNA gene mutations and/or acquisition of resistance genes (cfr, optrA, pox...

  • Article
  • Open Access
5 Citations
2,515 Views
15 Pages

14 February 2023

Background: Enterococci are Gram-positive cocci found in the guts of humans and animals. The goal of this research is to develop a multiplex PCR assay that can detect the Enterococcus genus, four VRE genes, and three LZRE genes simultaneously. Method...

  • Article
  • Open Access
16 Citations
3,409 Views
13 Pages

20 October 2021

The use of phenicol antibiotics in animals has increased. In recent years, it has been reported that the transferable gene mediates phenicol-oxazolidinone resistance. This study analyzed the prevalence and characteristics of phenicol-oxazolidinone re...

  • Article
  • Open Access
11 Citations
4,285 Views
9 Pages

27 July 2021

Although chloramphenicol is currently banned from use in livestock, other phenicols, such as florfenicol and thiamphenicol, have been used for the treatment of bacterial infections in domestic cattle in Korea. This study compares the characteristics...

  • Article
  • Open Access
5 Citations
2,414 Views
16 Pages

Among bacterial foodborne pathogens, Listeria monocytogenes represents one of the most important public health concerns in seafood industries. This study was designed as a retrospective study which aimed to investigate the trend of antibiotic resista...

  • Article
  • Open Access
24 Citations
4,137 Views
8 Pages

Spread of Linezolid-Resistant Enterococcus spp. in Human Clinical Isolates in the Czech Republic

  • Lucia Mališová,
  • Vladislav Jakubů,
  • Katarína Pomorská,
  • Martin Musílek and
  • Helena Žemličková

22 February 2021

The aim of this study was to map and investigate linezolid resistance mechanisms in linezolid-resistant enterococci in the Czech Republic from 2009 to 2019. Altogether, 1442 isolates of Enterococcus faecium and Enterococcus faecalis were examined in...

  • Article
  • Open Access
16 Citations
4,279 Views
9 Pages

Linezolid-Resistant Enterococcus spp. Isolates from Foods of Animal Origin—The Genetic Basis of Acquired Resistance

  • Urszula Zarzecka,
  • Arkadiusz Józef Zakrzewski,
  • Wioleta Chajęcka-Wierzchowska and
  • Anna Zadernowska

28 March 2022

Enterococci are important opportunistic pathogens with the capacity to acquire and spread antibiotic resistance. At present, linezolid-resistant enterococci (LRE) pose a great challenge. Linezolid is considered as a last resort antibiotic in the trea...

  • Review
  • Open Access
3 Citations
4,089 Views
30 Pages

24 August 2025

Linezolid (LNZ) is a synthetic oxazolidinone antibiotic that inhibits bacterial protein synthesis through binding to ribosomal RNA, also preventing the assembly of the initiation complex during translation. It is one of the last-line therapeutic opti...

  • Article
  • Open Access
4 Citations
2,450 Views
20 Pages

19 April 2023

The antibiotic resistance phenomenon horizontally involves numerous bacteria cultured from fresh or processed seafood matrix microbiomes. In this study, the identified bacteria from food-producing processes and industrial environments were screened f...

  • Article
  • Open Access
15 Citations
4,411 Views
17 Pages

Environment-Related Genes Analysis of Limosilactobacillus fermentum Isolated from Food and Human Gut: Genetic Diversity and Adaption Evolution

  • Yan Zhao,
  • Leilei Yu,
  • Fengwei Tian,
  • Jianxin Zhao,
  • Hao Zhang,
  • Wei Chen,
  • Yuzheng Xue and
  • Qixiao Zhai

8 October 2022

Limosilactobacillus fermentum is ubiquitous in traditional fermented vegetables, meat products, and the human gut. It is regarded as a “generally recognized as safe” organism by the US Food and Drug Administration. So far, the genetic fea...

  • Article
  • Open Access
8 Citations
3,225 Views
16 Pages

First Case of Staphylococci Carrying Linezolid Resistance Genes from Laryngological Infections in Poland

  • Michał Michalik,
  • Maja Kosecka-Strojek,
  • Mariola Wolska,
  • Alfred Samet,
  • Adrianna Podbielska-Kubera and
  • Jacek Międzobrodzki

Linezolid is currently used to treat infections caused by multidrug-resistant Gram-positive cocci. Both linezolid-resistant S. aureus (LRSA) and coagulase-negative staphylococci (CoNS) strains have been collected worldwide. Two isolates carrying line...

  • Article
  • Open Access
11 Citations
2,838 Views
9 Pages

12 December 2022

Resistance of methicillin-resistant Staphylococcus aureus (MRSA) from food and livestock to last resort antibiotics such as linezolid is highly concerning, since treatment options for infections in humans might be diminished. Known mechanisms of...

  • Article
  • Open Access
422 Views
15 Pages

5 December 2025

Background: Antimicrobial resistance (AMR) is a growing public health concern affecting both medicine and food safety. While Listeria monocytogenes is the primary pathogen of concern, Listeria innocua—commonly found in food and food-processing...