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Articles by Rachel Gilroy
The immunobiology of persistent intestinal infection by Campylobacter jejuni in the chicken
Abstract Infection of the intestinal tract of the chicken with Campylobacter jejuni is frequently prolonged with limited immune clearance from the caeca, the main site of colonisation. Previously it has been shown early infection of broiler chickens leads to a pro-inflammatory response, followed by regulatory and Th17 responses along with adaptive Th1 and Th2 cytokine responses.
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Background. The oesophageal microbiome is thought to contribute to the pathogenesis of oesophageal cancer. However investigations using culture and molecular barcodes have provided only a low-resolution view of this important microbial community. We therefore explored the potential of culturomics and metagenomic binning to generate a catalogue of reference genomes from the healthy human oesophageal microbiome alongside a comparison set from saliva. Results.
An initial genomic blueprint of the healthy human oesophageal microbiome
Background. The oesophageal microbiome is thought to contribute to the pathogenesis of oesophageal cancer. However, investigations using culture and molecular barcodes have provided only a low-resolution view of this important microbial community. We therefore explored the potential of culturomics and metagenomic binning to generate a catalogue of reference genomes from the healthy human oesophageal microbiome, alongside a comparison set from saliva. Results.
Graduation Is Exciting, But Don’t Let It Ruin Your Final Semester Of College
By Rachel Gilroy, February 3rd 2015 Flickr / Silvia Sala If you’re anything like me, you’ve had one foot out the door since before you stepped on campus to begin your last semester of college. I practically had to be dragged to the airport to embark on my last cross-country journey before I could return home for good. My heart belongs in California and the last thing I wanted was to exchange the place I love with a much colder, non-permanent North Carolina environment.
B lymphocytes play a limited role in clearance of Campylobacter jejuni from the chicken intestinal tract
Taken together, the data show that whilst B lymphocytes play a role in immune clearance of C. jejuni, it fails to clear the bacterium from the intestinal tract within the lifetime of a commercial broiler chicken, which is typically around six weeks of age5. We show that birds challenged at 21 days of age do not clear infection from their ceca through B lymphocyte-dependent mechanisms by seven weeks of age. We suggest that colonisation starts in the ileum and then spreads to the jejunum and ceca.
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