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Effects Of Biological, Environmental, And Nutritional Factors On Fecal Pellet Size And Morphology In The Sea Urchin Lytechinus Variegatus, Lacey Nicole Dennis
Effects Of Biological, Environmental, And Nutritional Factors On Fecal Pellet Size And Morphology In The Sea Urchin Lytechinus Variegatus, Lacey Nicole Dennis
All ETDs from UAB
Sea urchins are an important economic resource for many international fisheries and are an important animal model in developmental biology. Currently, health of cultured sea urchins is evaluated by behavior or through invasive examination of internal tissues. Destructive sampling is not conducive to longitudinal studies and a non-invasive method of evaluating sea urchin health would have practical application. Evaluation of the egesta could provide a valuable predictor of physiological well-being. The size and morphology of fecal pellets produced by the sea urchin Lytechinus variegatus under a variety of environmental and nutritional conditions were characterized in terms of 2-dimensional area, length, …
The Role Of The Developing Microbiome In Mucosal Defense Of The Neonatal Gut, Emily G. Blosser
The Role Of The Developing Microbiome In Mucosal Defense Of The Neonatal Gut, Emily G. Blosser
All ETDs from UAB
Neonatal late-onset sepsis is invasive infection occurring after the first 48 hours of life, and one of the leading causes of death among preterm infants in the United States and abroad. Infections with Gram-negative bacteria, such as Klebsiella pneumonia, occurring when bacteria translocate across premature gut epithelium into the bloodstream, can be particularly severe. Preterm infants in the neonatal intensive care unit undergo intense antibiotic regimens due to high risk of infection. Paradoxically, prolonged exposure of preterm infants to empiric antibiotic therapy early in the hospital stay is associated with increased risk of intestinal infection and death after adjustment for …
Gut Microbiome And Its Role In Obesity And Aging In C57bl/6j Mice, Yongbin Yang
Gut Microbiome And Its Role In Obesity And Aging In C57bl/6j Mice, Yongbin Yang
All ETDs from UAB
The gut microbiome has been found to be associated with obesity, type 2 diabetes and many other diseases. Many studies have shown microbial composition changes with obese status or switching of diets. However, few of them have investigated the long-term microbial changes in subjects under the same environmental factors. This study examined gut microbiome changes in multiple aspects with well-controlled diet-induced obese mice models and demonstrated the following: there were great variations in gut microbiome composition and diversity in the same strain of inbred mice under the same environment and diet; certain lineages of bacteria were associated with digestive efficiency; …