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Antibiotics, Volume 12, Issue 9

September 2023 - 129 articles

Cover Story: The production of antimicrobial-loaded nanoparticles in a powder form via lyophilization is a promising approach to promote their stability and storage.  However, the impact of the process on the antimicrobial activity of the loaded cargoes has not been reported yet. Herein, we investigated the potential of lyophilization to produce dispersible dry LCNP loaded with the hydrophobic antimicrobial compound gallium protoporphyrin (GaPP). The effect of lyophilization on the photoactivity and the antimicrobial performance of the rehydrated GaPP-LCNP nanoparticles was studied. Redispersed GaPP-LCNP retained the antimicrobial activity of the original dispersion with no changes. View this paper
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Articles (129)

  • Review
  • Open Access
15 Citations
5,975 Views
35 Pages

Unraveling the Role of Metals and Organic Acids in Bacterial Antimicrobial Resistance in the Food Chain

  • Andreia Rebelo,
  • Agostinho Almeida,
  • Luísa Peixe,
  • Patrícia Antunes and
  • Carla Novais

21 September 2023

Antimicrobial resistance (AMR) has a significant impact on human, animal, and environmental health, being spread in diverse settings. Antibiotic misuse and overuse in the food chain are widely recognized as primary drivers of antibiotic-resistant bac...

  • Review
  • Open Access
40 Citations
5,350 Views
27 Pages

21 September 2023

The increasing interest in microbiological food safety requires the development of sensitive and reliable analyses and technologies for preserving food products’ freshness and quality. Different types of packaging systems are one of the solutio...

  • Article
  • Open Access
2 Citations
2,474 Views
11 Pages

Mechanism of Action of Streptococcus downii, a New Bacterial Species with Probiotic Potential

  • Lucía Martínez-Lamas,
  • Eliane García-Mato,
  • Anniris Rincón-Quintero,
  • Berta Rivas-Mundiña,
  • Pedro Diz-Dios and
  • Maximiliano Álvarez-Fernández

21 September 2023

Streptococcus downii is a recently reported bacterial species of oral origin, with inhibitory capacity against Streptococcus mutans, Actinomyces naeslundii, Veillonella parvula and Aggregatibacter actinomycetemcomitans, which confers upon it the pote...

  • Review
  • Open Access
13 Citations
3,211 Views
18 Pages

Overview of Direct and Indirect Effects of Antibiotics on Terrestrial Organisms

  • Alessandra Narciso,
  • Anna Barra Caracciolo and
  • Chiara De Carolis

21 September 2023

Antibiotics (ABs) have made it possible to treat bacterial infections, which were in the past untreatable and consequently fatal. Regrettably, their use and abuse among humans and livestock led to antibiotic resistance, which has made them ineffectiv...

  • Case Report
  • Open Access
5 Citations
3,001 Views
7 Pages

The First Lethal Infection by Oligella ureolytica: A Case Report and Review of the Literature

  • Pierre Serandour,
  • Chloé Plouzeau,
  • Anthony Michaud,
  • Lauranne Broutin,
  • Julie Cremniter,
  • Christophe Burucoa and
  • Maxime Pichon

21 September 2023

Oligella ureolytica is a Gram-negative bacillus, a member of the Alcaligenaceae family, that had never previously been reported as lethal. Herein, a case of fatal infection caused by Oligella ureolytica in an elderly woman with suspected bladder canc...

  • Article
  • Open Access
27 Citations
3,315 Views
13 Pages

The Direction of the Antibacterial Effect of Rutin Hydrate and Amikacin

  • Maria Miklasińska-Majdanik,
  • Małgorzata Kępa,
  • Tomasz J. Wąsik,
  • Karolina Zapletal-Pudełko,
  • Magdalena Klim and
  • Robert D. Wojtyczka

21 September 2023

The aim of the presented study was to examine the in vitro antimicrobial activity of rutin hydrate (RH) alone and in combination with amikacin against 12 reference strains of Gram-positive and Gram-negative bacteria. The antibacterial activity assay...

  • Review
  • Open Access
12 Citations
5,321 Views
30 Pages

20 September 2023

Efflux pump (EP)-mediated multidrug resistance (MDR) seems ubiquitous in bacterial infections and neoplastic diseases. The diversity and lack of specificity of these efflux mechanisms raise a great obstacle in developing drugs that modulate efflux pu...

  • Article
  • Open Access
3 Citations
3,167 Views
18 Pages

Streptomyces rugosispiralis sp. nov., a Novel Actinobacterium Isolated from Peat Swamp Forest Soil That Produces Ansamycin Derivatives and Nocardamines

  • Trinset Weeraphan,
  • Khomsan Supong,
  • Paranee Sripreechasak,
  • Rumpa Jutakanoke,
  • Supalerk Kowinthanaphat,
  • Somboon Tanasupawat,
  • Pattama Pittayakhajonwut and
  • Wongsakorn Phongsopitanun

20 September 2023

Actinomycetes, especially the genus Streptomyces, are one of the most promising sources of bioactive natural products. In this study, a novel Streptomyces strain, RCU-064T, was isolated from a soil sample collected from a peat swamp forest in Thailan...

  • Article
  • Open Access
3 Citations
3,014 Views
10 Pages

Poor Sensitivity of the MALDI Biotyper® MBT Subtyping Module for Detection of Klebsiella pneumoniae Carbapenemase (KPC) in Klebsiella Species

  • Luz Cuello,
  • Judith Alvarez Otero,
  • Kerryl E. Greenwood-Quaintance,
  • Liang Chen,
  • Blake Hanson,
  • Jinnethe Reyes,
  • Lauren Komarow,
  • Lizhao Ge,
  • Zane D. Lancaster and
  • Garrett G. Gordy
  • + 2 authors

20 September 2023

Rapid detection of Klebsiella pneumoniae carbapenemase (KPC) in the Klebsiella species is desirable. The MALDI Biotyper® MBT Subtyping Module (Bruker Daltonics) uses an algorithm that detects a peak at ~11,109 m/z corresponding to a protein encod...

  • Article
  • Open Access
14 Citations
6,708 Views
21 Pages

Isolation, Identification, and Antibacterial Properties of Prodigiosin, a Bioactive Product Produced by a New Serratia marcescens JSSCPM1 Strain: Exploring the Biosynthetic Gene Clusters of Serratia Species for Biological Applications

  • Rajaguru Arivuselvam,
  • Ayed A. Dera,
  • Syed Parween Ali,
  • Yasser Alraey,
  • Ahmed Saif,
  • Umme Hani,
  • Sivaa Arumugam Ramakrishnan,
  • Mohamed Sheik Tharik Abdul Azeeze,
  • Raman Rajeshkumar and
  • Aishwarya Susil
  • + 2 authors

20 September 2023

Prodigiosin pigment has high medicinal value, so exploring this compound is a top priority. This report presents a prodigiosin bioactive compound isolated from Serratia marcescens JSSCPM1, a new strain. The purification process of this compound invol...

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Antibiotics - ISSN 2079-6382