International Microbiology
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Bacterial communities associated with Zeldia punctata, a bacterivorous soil-borne nematode
International Microbiology - Tập 25 - Trang 207-216 - 2021
Soil inhabiting organisms are important determinants of agroecosystem productivity. Understanding the composition, the abundance, and the type of interactions established by soil microorganisms is therefore crucial to design strategies to improve agricultural practices and agroecosystem management. In this study, we collected Zeldia punctata nematodes in maize fields in South Africa and profiled t......
Traditional marketed meats as a reservoir of multidrug-resistant Escherichia coli
International Microbiology - - Trang 1-17 - 2023
This study aimed to analyze Escherichia coli from marketed meat samples in Peru. Sixty-six E. coli isolates were recovered from 21 meat samples (14 chicken, 7 beef), and antimicrobial resistance levels and the presence of mechanisms of antibiotic resistance, as well as clonal relationships and phylogeny of colistin-resistant isolates, were established. High levels of antimicrobial resistance were ......
Safety, functional properties and technological performance in whey-based media of probiotic candidates from human breast milk
International Microbiology - Tập 22 - Trang 265-277 - 2018
We aimed at isolating and characterising microorganisms present in human breast milk with probiotic potential. In an 8-week postpartum sampling period, two strains of bifidobacteria (Bifidobacterium longum LM7a and Bifidobacterium dentium LM8a’) and four strains of lactobacilli were isolated, all during the first 4-week postpartum. B. longum LM7a and B. dentium LM8a’, together with four strains pr......
Adaptive strategies of uropathogenic Escherichia coli CFT073: from growth in lab media to virulence during host cell adhesion
International Microbiology - - 2022
Urinary tract infections (UTIs) are a major concern in public health. The prevalent uropathogenic bacterium in healthcare settings is Escherichia coli. The increasing rate of antibiotic-resistant strains demands studies to understand E. coli pathogenesis to drive the development of new therapeutic approaches. This study compared the gene expression profile of selected target genes in the prototype......
Metataxonomic analysis of tissue-associated microbiota in grooved carpet-shell (Ruditapes decussatus) and Manila (Ruditapes philippinarum) clams
International Microbiology - Tập 24 - Trang 607-618 - 2021
Culture-dependent techniques only permit the study of a low percentage of the microbiota diversity in the environment. The introduction of next generation sequencing (NGS) technologies shed light into this hidden microbial world, providing a better knowledge on the general microbiota and, specifically, on the microbial populations of clams. Tissue-associated microbiota of Ruditapes decussatus and ......
The inhibitory effect of Ulva fasciata on culturability, motility, and biofilm formation of Vibrio parahaemolyticus ATCC17802
International Microbiology - Tập 24 - Trang 301-310 - 2021
The outbreak of vibriosis from Vibrio parahaemolyticus (V. parahaemolyticus) is one of common pathogenic diseases found in the mariculture environment. In this study, the inhibitory effect of Ulva fasciata (U. fasciata) on the culturability, motility, and biofilm formation of V. parahaemolyticus ATCC17802 was examined by co-culturing system. Results showed that both of secretion and live tissue of......
Dissimilatory reduction of Fe(III) by a novel Serratia marcescens strain with special insight into the influence of prodigiosin
International Microbiology - Tập 23 - Trang 201-214 - 2019
A novel pigmented bacterium, initially identified as 11E, was isolated from a site historically known to have various iron-related ores. Phylogenetic analysis of this bacterial strain showed that it belongs to Serratia marcescens. This pigmented S. marcescens 11E cultured individually with glucose, acetate, and glycerol as electron donors along with the soluble electron acceptor iron (Fe) (III) ci......
Quorum-quenching potential of recombinant PvdQ-engineered bacteria for biofilm formation
International Microbiology - Tập 26 - Trang 639-650 - 2023
Quorum sensing (QS) is a core mechanism for bacteria to regulate biofilm formation, and therefore, QS inhibition or quorum quenching (QQ) is used as an effective and economically feasible strategy against biofilms. In this study, the PvdQ gene encoding AHL acylase was introduced into Escherichia coli (DE3), and a PvdQ-engineered bacterium with highly efficient QQ activity was obtained and used to ......
Effect of oxygen on the germination and culturability of Bacillus atrophaeus sporesAbstract The effect of oxygen on the germination and culturability of aerobic Bacillus atrophaeus spores was investigated in this study. Under oxic or anoxic conditions, various nutritional and non-nutritional germinants were utilized to induce germination. Tb3+ -dipicolinic acid fluorescence assay and phase-contrast mi... ...
International Microbiology - Tập 25 Số 2 - Trang 353-363 - 2022
Obtaining an ELISA test based on a recombinant protein of Chlamydia trachomatis
International Microbiology - Tập 22 - Trang 471-478 - 2019
Chlamydia trachomatis is considered as a public health problem due to its high prevalence and increased rates of gynecological disorders. The major outer membrane protein (MOMP) of this bacterium is the most abundant protein in its membrane and has been evaluated not only as a vaccine development candidate but also is used in many diagnostic tests. The MOMP weighs 69 kDa and contains four variable......
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