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Open AccessCohort profile: GRACE – a residential aged care cohort examining factors influencing antimicrobial resistance carriage
The emergence of antimicrobial-resistant bacteria represents a considerable threat to human health, particularly for vulnerable populations such as those living in residential aged care. However, antimicrobial...
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Article
Open AccessAcute feeding with almonds compared to a carbohydrate-based snack improves appetite-regulating hormones with no effect on self-reported appetite sensations: a randomised controlled trial
Early satiety has been identified as one of the mechanisms that may explain the beneficial effects of nuts for reducing obesity. This study compared postprandial changes in appetite-regulating hormones and sel...
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The gut microbiome and mental health: advances in research and emerging priorities
The gut microbiome exerts a considerable influence on human neurophysiology and mental health. Interactions between intestinal microbiology and host regulatory systems have now been implicated both in the deve...
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Open AccessEar microbiota and middle ear disease: a longitudinal pilot study of Aboriginal children in a remote south Australian setting
Otitis media (OM) is a major disease burden in Australian Aboriginal children, contributing to serious long-term health outcomes. We report a pilot analysis of OM in children attending an outreach ear and hear...
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Open AccessPrevention of SARS-CoV-2 (COVID-19) transmission in residential aged care using ultraviolet light (PETRA): a two-arm crossover randomised controlled trial protocol
SARS-CoV-2 poses a considerable threat to those living in residential aged care facilities (RACF). RACF COVID-19 outbreaks have been characterised by the rapid spread of infection and high rates of severe dise...
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Open AccessConventional myelosuppressive chemotherapy for non-haematological malignancy disrupts the intestinal microbiome
The gut microbiota influences many aspects of host physiology, including immune regulation, and is predictive of outcomes in cancer patients. However, whether conventional myelosuppressive chemotherapy affects...
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Open AccessInvestigating potential transmission of antimicrobial resistance in an open-plan hospital ward: a cross-sectional metagenomic study of resistome dispersion in a lower middle-income setting
Antimicrobial resistance (AMR) represents a profound global health threat. Reducing AMR spread requires the identification of transmission pathways. The extent to which hospital wards represent a venue for sub...
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Open AccessLung function and microbiota diversity in cystic fibrosis
Chronic infection and concomitant airway inflammation is the leading cause of morbidity and mortality for people living with cystic fibrosis (CF). Although chronic infection in CF is undeniably polymicrobial, ...
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Open AccessDNA extraction approaches substantially influence the assessment of the human breast milk microbiome
In addition to providing nutritional and bioactive factors necessary for infant development, human breast milk contains bacteria that contribute to the establishment of commensal microbiota in the infant. Howe...
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Open AccessMice lacking Casp1, Ifngr and Nos2 genes exhibit altered depressive- and anxiety-like behaviour, and gut microbiome composition
Converging evidence supports the involvement of pro-inflammatory pathways and the gut microbiome in major depressive disorder (MDD). Pre-clinical and clinical studies suggest that decreasing pro-inflammatory s...
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Open AccessUnderstanding the impact of antibiotic therapies on the respiratory tract resistome: a novel pooled-template metagenomic sequencing strategy
Determining the effects of antimicrobial therapies on airway microbiology at a population-level is essential. Such analysis allows, for example, surveillance of antibiotic-induced changes in pathogen prevalenc...
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Open AccessSample storage conditions significantly influence faecal microbiome profiles
Sequencing-based studies of the human faecal microbiota are increasingly common. Appropriate storage of sample material is essential to avoid the introduction of post-collection bias in microbial community com...
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Germs and joints: the contribution of the human microbiome to rheumatoid arthritis
Rheumatoid arthritis (RA) is a debilitating autoimmune disorder, the etiology of which is poorly understood. A new study reveals dysbiosis in gut and oral microbiomes of affected individuals, potentially provi...
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Open AccessDeriving accurate microbiota profiles from human samples with low bacterial content through post-sequencing processing of Illumina MiSeq data
The rapid expansion of 16S rRNA gene sequencing in challenging clinical contexts has resulted in a growing body of literature of variable quality. To a large extent, this is due to a failure to address spuriou...
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A relationship between Pseudomonal growth behaviour and cystic fibrosis patient lung function identified in a metabolomic investigation
Chronic polymicrobial lung infections in adult cystic fibrosis patients are typically dominated by high levels of Pseudomonas aeruginosa. Determining the impact of P. aeruginosa growth on airway secretion composi...
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Open AccessStudying bacteria in respiratory specimens by using conventional and molecular microbiological approaches
Drawing from previous studies, the traditional routine diagnostic microbiology evaluation of samples from chronic respiratory conditions may provide an incomplete picture of the bacteria present in airways dis...
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Chromosomal genes conferring tolerance to heavy metal (Ag) toxicity
Bacterial strains were isolated from sediment samples from the Thames River. Successive transfer growth of the various strains on nutrient agar containing increasing concentrations of AgNO3 revealed that three of...
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Open AccessBacterial activity in cystic fibrosis lung infections
Chronic lung infections are the primary cause of morbidity and mortality in Cystic Fibrosis (CF) patients. Recent molecular biological based studies have identified a surprisingly wide range of hitherto unrepo...