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Articles 1 - 23 of 23
Full-Text Articles in Life Sciences
Examining The Effectiveness Of Probiotic Therapy For Improving Growth Performance Of Triploid Chinook Salmon (Oncorhynchus Tshawytscha) In Aquaculture Using A Behavioural Genomics Approach, Chelsea Frank
Electronic Theses and Dissertations
With an increasing human population, there has been increased production of fish to meet nutritional needs. Commercial aquaculture accounts for a significant portion of seafood production with salmonids being the major farmed finfish in Canada. To obtain greater biomass from aquaculture with minimal drawbacks (e.g., compromised flesh quality), triploidization has been implemented, altering ploidy from 2N to 3N, to induce sterility and promote energy investment towards somatic growth. Triploid individuals experience transcriptional and behavioural changes resulting in disease, mortalities, and reduced growth. Probiotic therapies (live microorganisms) have been recommended to potentially overcome drawbacks of triploidy and improve mass due to …
The Effects Of Probiotic Therapy On Stress Coping Styles Of Triploid Juvenile Farmed Chinook Salmon, Oncorhynchus Tshawytscha, Brendyn M. St. Louis
The Effects Of Probiotic Therapy On Stress Coping Styles Of Triploid Juvenile Farmed Chinook Salmon, Oncorhynchus Tshawytscha, Brendyn M. St. Louis
Electronic Theses and Dissertations
Triploid salmon – fish with three sets of chromosomes – are regularly used in aquaculture as they are functionally sterile and therefore avoid the decline in flesh quality associated with sexual maturation. However, triploid fish exhibit many immune, behavioural, and physiological drawbacks which reduce their condition and survival in aquaculture environments. My research examines the effects of probiotic treatment to promote behavioural and stress-related (termed ‘coping styles’) traits more suited for aquaculture environments in triploid fish with the ultimate goal of increasing fish yield. In this study, Chinook salmon (Oncorhynchus tshawytscha) crosses were developed in a 3x3 and 3x2 design, …
The Effects Of An Applied Phyllosphere-Microbiome On Gas Exchange And Growth Of Soybean Infected With Pseudomonas Syringae: Harnessing The Power Of The Microbiome, Charles Agbavor
MSU Graduate Theses
The microbiome is an important determinant of plant health, growth and resistance to stress. This study was conducted to determine the efficacy of the phyllosphere-microbiome on managing Pseudomonas syringae pv. Glycinea (Psg), gas exchange and growth of Glycine max L. Merrill. A greenhouse study was conducted in the summer of 2019. A field isolated and cultured soybean phyllosphere-microbiome was applied to purposely infected and uninfected soybean. Gas exchange, Psg density, chlorophyll concentrations, and percent nitrogen and carbon in the leaves were measured during the V3-V6 stages of soybean. Not surprisingly, there was a two-fold reduction in copies of Pseudomonas …
How Can We Change Gut Microbiota For Healthy Lives?, Elizaveta Shmakova
How Can We Change Gut Microbiota For Healthy Lives?, Elizaveta Shmakova
Scientific Communication News
No abstract provided.
Proposed Research Project Regulation Of Human Intestinal Microbes To Treat And Manage Anxiety, Madison Rea
Proposed Research Project Regulation Of Human Intestinal Microbes To Treat And Manage Anxiety, Madison Rea
Fall Showcase for Research and Creative Inquiry
This is my proposed research project on the regulation of gut microbiota to help treat anxiety disorders. My proposal talks about using prebiotics and probiotics to regulate anxiety disorders as an alternative to medications that cause horrible side effects.
The Coliform Kind: E. Coli And Its “Cousins” The Good, The Bad, And The Deadly, Alan L. Gillen, Matthew Augusta
The Coliform Kind: E. Coli And Its “Cousins” The Good, The Bad, And The Deadly, Alan L. Gillen, Matthew Augusta
Alan L. Gillen
Even though some intestinal bacteria strains are pathogenic and even deadly, most coliforms strains still show evidence of being one of God’s “very good” creations. In fact, bacteria serve an intrinsic role in the colon of the human body. These bacteria aid in the early development of the immune system and stimulate up to 80% of immune cells in adults. In addition, digestive enzymes, Vitamins K and B12, are produced byEscherichia coli and other coliforms. E. coli is the best-known bacteria that is classified as coliforms. The term “coliform” name was historically attributed due to the “Bacillus coli …
Development Of A Pediatric Model Of Nafld In Neonatal Iberian Pigs, Gabriella Veronica Hernandez, Victoria Alice Smith, Morgan Coffin, Daniel Columbus, Matthew Burd, Kimberly Sprayberry, Mark Edwards, Daniel Peterson, Darin Bennett, Robert Fanter, Christopher Kitts, Michael La Frano, Margaret Rice, Douglas Burrin, Magdalena Maj, Rodrigo Manjarin
Development Of A Pediatric Model Of Nafld In Neonatal Iberian Pigs, Gabriella Veronica Hernandez, Victoria Alice Smith, Morgan Coffin, Daniel Columbus, Matthew Burd, Kimberly Sprayberry, Mark Edwards, Daniel Peterson, Darin Bennett, Robert Fanter, Christopher Kitts, Michael La Frano, Margaret Rice, Douglas Burrin, Magdalena Maj, Rodrigo Manjarin
Master's Theses
The prevalence of non-alcoholic fatty liver disease (NAFLD) in children has increased over the past decades, creating a need for animal models that recapitulate the features of the pediatric disease. Iberian pigs have a leptin-resistant phenotype characterized by hyperleptinemia, hyperphagia, and extreme adipogenesis. We hypothesized that neonatal Iberian pigs fed a high fat high-fructose (HFF) diet will develop a pattern of liver injury resembling pediatric NAFLD. In addition, we sought to determine if a mixture of probiotics would prevent the disease. Animals were fed 1 of 4 diets containing (g/kg body weight × d) 0 g fructose, 11 g fat …
Prebiotics, Probiotics, And Bacterial Infections, Christina C. Tam, Kirkwood M. Land, Luisa W. Cheng
Prebiotics, Probiotics, And Bacterial Infections, Christina C. Tam, Kirkwood M. Land, Luisa W. Cheng
College of the Pacific Faculty Books and Book Chapters
Bacterial pathogens have developed exquisite virulence mechanisms to survive in the host cells. These virulence mechanisms help them bind and internalize into host cells, replicate, and evade the host immune response. The mammalian host itself has developed its own repertoire of weapons to prevent this from happening. One important component of host response in preventing infections in the gut lumen is the diverse commensal microbiota present. Dysbiosis of the gut microbiota has been implicated in the development of many gastrointestinal diseases. A potential therapeutic pathway to solve these diseases would be by providing probiotics and/or prebiotics to help stimulate growth …
Coaggregation Patterns And Surface Characteristics Of Lactobacillus Rhamnosus Gg Under Varying Nutrient Conditions, Amanda Rielinger
Coaggregation Patterns And Surface Characteristics Of Lactobacillus Rhamnosus Gg Under Varying Nutrient Conditions, Amanda Rielinger
Senior Honors Theses and Projects
Lactobacillus rhamnosus GG (LGG) is one of the best studied probiotic organisms. The ability of probiotics to adhere to other microorganisms and the intestinal epithelium is thought to play a major role in their protective functions. Coaggregation is an important mechanism for biofilm formation by microorganisms. The goals of this study were to examine the ways in which nutrient variation affects intercellular interactions between LGG and other gut microbes and the hydrophobic character of LGG. We hypothesized that nutritional variation may affect the ability of LGG to coaggregate and form biofilms and thus affect its probiotic characteristics and ability to …
Functional Characteristics Of Lactobacilli From Traditional Bulgarian Fermented Milk Products, Veronica Nemska, Petya Logar, Tanya Rasheva, Zdravka Sholeva, Nelly Georgieva, Svetla Danova
Functional Characteristics Of Lactobacilli From Traditional Bulgarian Fermented Milk Products, Veronica Nemska, Petya Logar, Tanya Rasheva, Zdravka Sholeva, Nelly Georgieva, Svetla Danova
Turkish Journal of Biology
After oral administration, probiotic lactobacilli meet a number of protection systems in the human body, such as exposure to gastric, pancreatic, and small intestinal juices. Overcoming these detrimental barriers allows living bacteria to adhere to the intestinal epithelium and permanently colonize the gastrointestinal tract (GIT), providing health benefits to the host. Based on this, the transit tolerance of 25 candidate probiotic lactobacilli from katak, yoghurt, and white-brined and yellow cheese to simulated bile and small intestinal juices of variable pH was investigated. To establish their resistance, in vitro model systems based on modified MRS media and a longer duration of …
The Coliform Kind: E. Coli And Its “Cousins” The Good, The Bad, And The Deadly, Alan L. Gillen, Matthew Augusta
The Coliform Kind: E. Coli And Its “Cousins” The Good, The Bad, And The Deadly, Alan L. Gillen, Matthew Augusta
Faculty Publications and Presentations
Even though some intestinal bacteria strains are pathogenic and even deadly, most coliforms strains still show evidence of being one of God’s “very good” creations. In fact, bacteria serve an intrinsic role in the colon of the human body. These bacteria aid in the early development of the immune system and stimulate up to 80% of immune cells in adults. In addition, digestive enzymes, Vitamins K and B12, are produced byEscherichia coli and other coliforms. E. coli is the best-known bacteria that is classified as coliforms. The term “coliform” name was historically attributed due to the “Bacillus coli …
The Effects Of Inulin And Galactooligosaccharides On The Production Of Reuterin By Lactobacillus Reuteri, Micah Forshee
The Effects Of Inulin And Galactooligosaccharides On The Production Of Reuterin By Lactobacillus Reuteri, Micah Forshee
Honors Program Projects
The microbiome is a dynamic community that can positively and negatively influence host health. Lactobacillus reuteri is a probiotic that has received much attention for its ability to inhibit pathogens such as Salmonella Typhimurium, Escherichia coli, and Clostridium difficile. It does so by its unique ability to metabolize glycerol into the antimicrobial compound 3-HPA, which is commonly referred to as reuterin. The ability to secrete reuterin is dependent not only on glycerol availability but also the concentration of glucose. In fact, there appears to be a “goldilocks” ratio between glucose and glycerol as either too much or too …
The Effects Of Inulin And Galactooligosaccharides On The Production Of Reuterin By Lactobacillus Reuteri, Micah Forshee
The Effects Of Inulin And Galactooligosaccharides On The Production Of Reuterin By Lactobacillus Reuteri, Micah Forshee
Scholar Week 2016 - present
The microbiome is a dynamic community that can positively and negatively influence host health. Lactobacillus reuteri is a probiotic that has received much attention for its ability to inhibit pathogens such as Salmonella Typhimurium, Escherichia coli, and Clostridium difficile. It does so by its unique ability to metabolize glycerol into the antimicrobial compound 3-HPA, which is commonly referred to as reuterin. The ability to secrete reuterin is dependent not only on glycerol availability but also the concentration of glucose. In fact, there appears to be a “goldilocks” ratio between glucose and glycerol as either too much or too …
Synbiotics For Improved Human Health: Recent Developments, Challenges, And Opportunities, Janina A. Krumbeck, Jens Walter, Robert W. Hutkins
Synbiotics For Improved Human Health: Recent Developments, Challenges, And Opportunities, Janina A. Krumbeck, Jens Walter, Robert W. Hutkins
School of Biological Sciences: Faculty Publications
Research on combining pro- and prebiotics as synbiotics to enhance human and animal health has accelerated in the past 10 years, including many clinical trials that have assessed a diverse range of synbiotic formulations. In this review, we summarize these studies as well as the commercial applications of synbiotics that are available. In particular, we critically assess the claimed health benefits of synbiotic applications and the ecological and therapeutic factors to consider when designing synbiotics and discuss the implications of these concepts for future research in this field.
Utilization Of Pyrosequencing To Monitor The Microbiome Dynamics Of Probiotic Treated Poultry (Gallus Gallus Domesticus) During Downstream Poultry Processing, Vamsy Priya Guttala, Enrique G. Medrano, Joey Bray, Beatrice Clack
Utilization Of Pyrosequencing To Monitor The Microbiome Dynamics Of Probiotic Treated Poultry (Gallus Gallus Domesticus) During Downstream Poultry Processing, Vamsy Priya Guttala, Enrique G. Medrano, Joey Bray, Beatrice Clack
Faculty Publications
Antibiotic growth promoters that have been historically employed to control pathogens and increase the rate of animal development for human consumption are currently banned in many countries. Probiotics have been proposed as an alternative to control pathogenic bacteria. Traditional culture methods typically used to monitor probiotic effects on pathogens possess significant limitations such as a lack in sensitivity to detect fastidious and non-culturable bacteria, and are both time consuming and costly. Here, we tested next generation pyrosequencing technology as a streamline and economical method to monitor the effects of a probiotic on microbial communities in juvenile poultry (Gallus gallus …
Influence Of Lactobacillus Rhamnosus Isolated From “Amabere Amaruranu” Cultured Milk On Adipogenesis, Justin E. Kotala
Influence Of Lactobacillus Rhamnosus Isolated From “Amabere Amaruranu” Cultured Milk On Adipogenesis, Justin E. Kotala
Electronic Theses and Dissertations
This study was performed to test the in vitro effects of a Lactobacillus rhamnosus isolate from “amabere amaruranu”, a traditional Kenyan cultured milk, on 3T3-L1 and Caco-2 cell lines. Cultures of fully mature 3T3-L1 adipocytes were treated with bacterial isolate cell extract (CE), filtered spent broth (FSB) from overnight bacterial culture, or with a PBS control. Expression levels of PPAR³1 and 2, C/EBP±, and ATGL proteins in 3T3-L1 cells were upregulated by FSB treatment. CE treatment did not affect protein expression levels. Expression of MTTP and SREBP-1c proteins in Caco-2 cells showed no change with either treatment. Optical density measurements …
Cytotoxic Effects Of Various Lactic Acid Bacteria On Caco-2 Cells, Sevda Er, Ayşe Tansu Koparal, Meri̇h Kivanç
Cytotoxic Effects Of Various Lactic Acid Bacteria On Caco-2 Cells, Sevda Er, Ayşe Tansu Koparal, Meri̇h Kivanç
Turkish Journal of Biology
Probiotics are live microbial food supplements that can be considered a functional food. They benefit the health of a host animal by maintaining their intestinal microbial balance. Most probiotic microorganisms are lactic acid bacteria (LAB) such as Lactobacillus spp., Bifidobacterium spp., and Enterococcus spp. LAB have been reported to possess certain anticancer properties. The vast majority of studies on their anticancer effects have dealt with colorectal cancers, although there have also been some studies on breast and bladder cancers. Colon cancer is the fourth most common cause of cancer-related mortality in the world. The aim of this study was to …
Genome Sequence Of Lactobacillus Pentosus Kca1: Vaginal Isolate From A Healthy Premenopausal Woman, Kingsley Anukam
Genome Sequence Of Lactobacillus Pentosus Kca1: Vaginal Isolate From A Healthy Premenopausal Woman, Kingsley Anukam
Kingsley C Anukam
The vaginal microbiota, in particular Lactobacillus species, play an important role in female health through modulation of immunity, countering pathogens and maintaining a pH below 4.7. We report the isolation and genome sequence of Lactobacillus pentosus strain KCA1 (formally known as L. plantarum) from the vagina of a healthy Nigerian woman. The genome was sequenced using Illumina GA II technology. The resulting 16,920,226 paired-end reads were assembled with the Velvet tool. Contigs were annotated using the RAST server, and manually curated. A comparative analysis with the available genomes of L. pentosus IG1 and L. plantarum WCFS1 showed that over 15% …
A Bioaugmentation Approach To The Prevention Of Chytridiomycosis, Carly Muletz
A Bioaugmentation Approach To The Prevention Of Chytridiomycosis, Carly Muletz
Masters Theses, 2010-2019
Symbiosis is defined as two species living together. This association between organisms is present at all taxonomic levels making it a ubiquitious phenomenon in ecology and evolution. I studied symbiosis among three species: a mutualistic bacterium, a parasitic fungus and an amphibian host. The first goal of my research was to examine how the mutualistic bacteria of amphibians’ skin are acquired. I demonstrated that a cutaneous mutualistic bacterial species, Janthinobacterium lividum, was transmitted environmentally, via soil, to the skin of an amphibian species, Plethodon cinereus. These results indicate that amphibians’ mutualistic bacteria can be acquired from the environment. Based upon …
Probiotics: 100 Years (1907-2007) After Elie Metchnikoff's Observations, Kingsley Anukam, Gregor Reid
Probiotics: 100 Years (1907-2007) After Elie Metchnikoff's Observations, Kingsley Anukam, Gregor Reid
Kingsley C Anukam
No abstract provided.
Denaturing Gradient Gel Electrophoresis As A Tool To Determine Batch Similarity Of Probiotic Cultures Of Porcine Cecal Bacteria, Michael Hume, Charles M. Scanlan, Roger B. Harvey, Kathleen Andrews, James D. Snodgrass, Armen Nalian, Alexandra Martynova-Van Kley, David Nisbet
Denaturing Gradient Gel Electrophoresis As A Tool To Determine Batch Similarity Of Probiotic Cultures Of Porcine Cecal Bacteria, Michael Hume, Charles M. Scanlan, Roger B. Harvey, Kathleen Andrews, James D. Snodgrass, Armen Nalian, Alexandra Martynova-Van Kley, David Nisbet
Faculty Publications
A continuous-flow porcine cecal bacterial culture has been used experimentally as treatment against enterotoxigenic Escherichia coli in weanling pigs. Periodically, the cultures must be started from frozen stock. Our results indicate that denaturing gradient gel electrophoresis can be applied as an indirect indication of culture similarity for each new batch generated from frozen stock.
The Potential Role Of Probiotics In Reducing Poverty-Associated Infections In Developing Countries, Kingsley C. Anukam
The Potential Role Of Probiotics In Reducing Poverty-Associated Infections In Developing Countries, Kingsley C. Anukam
Kingsley C Anukam
Probiotics are defined by the Food and Agricultural Organization/ World Health Organization as “live microorganisms which when administered in adequate amounts confer a health benefit on the host” [1]. The potential benefits of their use have not been adequately investigated, especially in the developing world. Japan introduced Yakult, a probiotic fermented food drink in 1935, and in the Northern hemisphere, research and use of probiotics has gained an unprecedented momentum in the last decade [2]. Use of probiotics is not uncommon in Europe [3], but in many developing countries use of probiotics in its present definition is a foreign concept. …
Species-Specific Identification Of Commercial Probiotic Strains, Marie Yeung, M. E. Sanders, Christopher L. Kitts, Raul Cano, Phillip S. Tong
Species-Specific Identification Of Commercial Probiotic Strains, Marie Yeung, M. E. Sanders, Christopher L. Kitts, Raul Cano, Phillip S. Tong
Biological Sciences
Products containing probiotic bacteria are gaining popularity, increasing the importance of their accurate speciation. Unfortunately, studies have suggested that improper labeling of probiotic species is common in commercial products. Species identification of a bank of commercial probiotic strains was attempted using partial 16S rDNA sequencing, carbohydrate fermentation analysis, and cellular fatty acid methyl ester analysis. Results from partial 16S rDNA sequencing indicated discrepancies between species designations for 26 out of 58 strains tested, including two ATCC Lactobacillus strains. When considering only the commercial strains obtained directly from the manufacturers, 14 of 29 strains carried species designations different from those obtained …