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Microbiology Research, Volume 16, Issue 8

August 2025 - 27 articles

Cover Story: The weekly succession patterns of cecal microbiota in Japanese quail (Coturnix japonica) were evaluated by 16S rRNA metabarcoding from 7 to 42 days of age, and evidenced an increase in Firmicutes (from 50% to >80%) and a decrease in Bacteroidota (from 45% to 12%). The microbiota became progressively richer and more balanced with age; genera such as Bacteroides were predominant in the beginning and later were replaced by Lachnospiraceae, Ruminococcus, and Faecalibacterium. The developmental taxonomic features aligned with significant shifts in ten metabolic pathways identified by prediction, revealing a transition from biosynthetic functions to complex carbohydrate metabolism and cell wall biosynthesis. The first 7 days are considered a critical window for probiotic interventions, which may favor the establishment of a microbiota that is more stable and beneficial to quail performance. View this paper
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Articles (27)

  • Review
  • Open Access
4,607 Views
17 Pages

Prevalence and Factors Associated with Tuberculosis Among Healthcare Workers: A Systematic Review with Meta-Analysis

  • Alessandro Rolim Scholze,
  • Paola Obreli Bersi,
  • Mariane Cândido da Silva,
  • Júlia Trevisan Martins,
  • Emiliana Cristina Melo,
  • Maria José Quina Galdino,
  • Flávia Meneguetti Pieri,
  • Felipe Mendes Delpino,
  • Yan Mathias Alves and
  • Thais Zamboni Berra
  • + 4 authors

Background: Healthcare workers are exposed to an unhealthy environment that increases the risk of developing tuberculosis. Objective: To analyze the prevalence and factors associated with tuberculosis among healthcare workers. Methods: A systematic r...

  • Article
  • Open Access
2,195 Views
26 Pages

Effects of Obesity and Feeding Avocado Extract on Gut Microbiota and Fecal Metabolomic Profile in Overweight/Obese Cats

  • Roman Husnik,
  • Jon Fletcher,
  • Rachel Pilla,
  • Donald Ingram,
  • Frederic Gaschen,
  • George Roth,
  • Chih-Chun Chen and
  • Jan Suchodolski

Background/Objectives: Obesity is a growing problem in the feline population worldwide. An extract of unripe avocado (AvX) has been shown to attenuate gains in body weight and body fat in mice fed a high-fat diet. The aim of this study was to evaluat...

  • Article
  • Open Access
993 Views
23 Pages

Klebsiella oxytoca originating from shellfish Scapharca subcrenata contains a number of virulence-related genes. In this study, we investigated its pathogenicity using a murine intestinal infection model and predicted its antibacterial compounds and...

  • Article
  • Open Access
584 Views
16 Pages

The vital role of arbuscular mycorrhizal (AM) fungi in tea plant growth is well established; however, the mechanisms underlying how increasing cultivation chronosequence (CC) influences AM fungal distribution remain unclear. An investigation was cond...

  • Article
  • Open Access
1,196 Views
19 Pages

Novel Reoviruses of Waterfowl Origin in Northern Vietnam: A Laboratory Investigation

  • Thi-Ngoc Vu,
  • Van-Truong Le,
  • Thi-Bich-Phuong Cao,
  • Van-Giap Nguyen and
  • Thi-My-Le Huynh

Novel waterfowl reoviruses (nWRVs) have been reported in several countries, but their circulation and genetic characteristics in Vietnam remain poorly understood. In this study, we investigated nWRVs in northern Vietnam through molecular detection, v...

  • Article
  • Open Access
2 Citations
2,489 Views
15 Pages

Evaluation of Antibiotic Resistance in Escherichia coli Isolated from a Watershed Section of Ameca River in Mexico

  • Mariana Díaz-Zaragoza,
  • Sergio Yair Rodriguez-Preciado,
  • Lizeth Hernández-Ventura,
  • Alejandro Ortiz-Covarrubias,
  • Gustavo Castellanos-García,
  • Sonia Sifuentes-Franco,
  • Ana Laura Pereira-Suárez,
  • José Francisco Muñoz-Valle,
  • Margarita Montoya-Buelna and
  • Jose Macias-Barragan

Antibiotic resistance (AR) in environmental Escherichia coli represents a growing public health challenge. This study evaluated the prevalence of AR among E. coli isolates recovered from surface water bodies within the Ameca River basin in Jalisco, M...

  • Article
  • Open Access
1,720 Views
13 Pages

Risk Factors and Seroprevalence of Infection by Corynebacterium pseudotuberculosis in Goats from Espírito Santo State, Southeastern Brazil

  • Letícia Pereira Pedrini Vicentini,
  • Thiago Doria Barral,
  • Marcus Alexandre Vaillant Beltrame,
  • Luiz Filippe Simão Soares,
  • Ricardo Wagner Portela and
  • Blima Fux

Corynebacterium pseudotuberculosis is the causative agent of caseous lymphadenitis, a significant infectious disease that affects small ruminants and poses economic challenges to livestock production. This study aimed to assess the seroprevalence of...

  • Article
  • Open Access
903 Views
18 Pages

Comprehensive Analysis of the Molecular Epidemiological Characteristics of Duck-Derived Salmonella in Certain Regions of China

  • Jiawen Chen,
  • Xiangdi Li,
  • Yanling Liu,
  • Wenjia Rong,
  • Laiyu Fu,
  • Shuhua Wang,
  • Yan Li,
  • Xiaoxiao Duan,
  • Yongda Zhao and
  • Lili Guo

Salmonella is a major foodborne pathogen, yet real-time data on duck-derived strains in China remain scarce. This study investigated the epidemiology, antimicrobial resistance (AMR), gene profiles, and PFGE patterns of 114 Salmonella isolates recover...

  • Review
  • Open Access
1 Citations
8,115 Views
24 Pages

Biofilm and Antimicrobial Resistance: Mechanisms, Implications, and Emerging Solutions

  • Bharmjeet Singh,
  • Manju Dahiya,
  • Vikram Kumar,
  • Archana Ayyagari,
  • Deepti N. Chaudhari and
  • Jayesh J. Ahire

Biofilms are a spontaneously formed slimy matrix of extracellular polymeric substances (EPS) enveloping miniature bacterial colonies, which aid in pathogen colonization, shielding the bacteria from antibiotics, as well as imparting them resistance to...

  • Article
  • Open Access
1 Citations
2,340 Views
20 Pages

Inhibitory Effects of Selected Chemical Substances on the Growth of Filamentous Fungi Occurring in Cellar Management

  • Karolina Kostelnikova,
  • Romana Heralecka,
  • Anna Krpatova,
  • Filip Matousek,
  • Jiri Sochor and
  • Mojmir Baron

This study evaluated the inhibitory efficacy of sulphur dioxide, hydrogen peroxide, copper sulphate pentahydrate, chlorine-based formulations, a chlorine-free formulation, ethanol, and acetic acid against Cladosporium cladosporioides, Aspergillus nig...

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Microbiol. Res. - ISSN 2036-7481