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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Probiotics And Antimicrobial Effect Of Lactiplantibacillus Plantarum, Saccharomyces Cerevisiae, And Bifidobacterium Longum Against Common Foodborne Pathogens In Poultry, Joy Igbafe, Agnes Kilonzo-Nthenge, Samuel N. Nahashon, Abdullah Ibn Mafiz, Maureen Nzomo
Probiotics And Antimicrobial Effect Of Lactiplantibacillus Plantarum, Saccharomyces Cerevisiae, And Bifidobacterium Longum Against Common Foodborne Pathogens In Poultry, Joy Igbafe, Agnes Kilonzo-Nthenge, Samuel N. Nahashon, Abdullah Ibn Mafiz, Maureen Nzomo
Agricultural and Environmental Sciences Faculty Research
The probiotic potential and antimicrobial activity of Lactiplantibacillus plantarum, Saccharomyces cerevisiae, and Bifidobacterium longum were investigated against Escherichia coli O157:H7, Salmonella typhimurium and Listeria monocytogenes. Selected strains were subjected to different acid levels (pH 2.5–6.0) and bile concentrations (1.0–3.0%). Strains were also evaluated for their antimicrobial activity by agar spot test. The potential probiotic strains tolerated pH 3.5 and above without statistically significant growth reduction. However, at pH 2.5, a significant (p < 0.05) growth reduction occurred after 1 h for L. plantarum (4.32 log CFU/mL) and B. longum (5.71 log CFU/mL). S. cerevisiae maintained steady cell counts for the entire treatment period without a statistically significant (p > 0.05) reduction (0.39 log CFU/mL). The results indicate at 3% bile concertation, 1.86 log CFU/mL reduction was observed for L. plantarum, while S. cerevisiae, and B. longum growth …
Transcriptome Analysis And Expression Of Selected Cationic Amino Acid Transporters In The Liver Of Broiler Chicken Fed Diets With Varying Concentrations Of Lysine, Collins N. Khwatenge, Boniface M. Kimathi, Samuel N. Nahashon
Transcriptome Analysis And Expression Of Selected Cationic Amino Acid Transporters In The Liver Of Broiler Chicken Fed Diets With Varying Concentrations Of Lysine, Collins N. Khwatenge, Boniface M. Kimathi, Samuel N. Nahashon
Agricultural and Environmental Sciences Faculty Research
Amino acids are known to play a key role in gene expression regulation. Amino acid signaling is mediated via two pathways: the mammalian target of rapamycin complex 1 (mTORC1) and the amino acid responsive (AAR) pathways. Cationic amino acid transporters (CATs) are crucial in these pathways due to their sensing, signaling and transport functions. The availability of certain amino acids plays a key role in the intake of other amino acids, hence affecting growth in young birds. However, the specific mechanism for regulating lysine transport for growth is not clear. In this study, we analyze the transcriptome profiles and mRNA …
Porcine Cytokines, Chemokines And Growth Factors: 2019 Update, Harry D. Dawson, Yongming Sang, Joan K. Lunney
Porcine Cytokines, Chemokines And Growth Factors: 2019 Update, Harry D. Dawson, Yongming Sang, Joan K. Lunney
Agricultural and Environmental Sciences Faculty Research
Pigs are a major food source worldwide as well as major biomedical models for human physiology and therapeutics. A thorough understanding of porcine immunity is essential to prevent and treat infectious diseases, and develop effective vaccines and therapeutics. The use of pigs as biomedical models is dependent on the growing molecular and immune toolbox. This paper summarizes current knowledge of swine cytokines, chemokines and growth factors, identifying 289 pig proteins, characterizing knowledge of their gene structures and families. It identifies areas in the current swine genome build that need to be clarified. A broad-based literature and vendor search was conducted …
Investigating Bat Activity In Various Agricultural Landscapes In Northeastern United States, Katherine Harms, Emmanuel Omondi, Atanu Mukherjee
Investigating Bat Activity In Various Agricultural Landscapes In Northeastern United States, Katherine Harms, Emmanuel Omondi, Atanu Mukherjee
Agricultural and Environmental Sciences Faculty Research
Bats are estimated to provide between $3.7 and $53 billion annually in ecosystem services in the U.S.A. Determining how bats use land for foraging is important in planning agricultural landscapes to increase their presence and role in insect pest control. A research project was established in 2016 and 2017 to determine bat populations and activity differences between different land use management systems. Bat activity was monitored in 10 conventionally and organically managed systems in the presence of, and at a distance from the tree line. Two acoustic monitoring devices were used to record ultrasonic echolocation calls of bats. Organic systems …
Evaluation Of Severity And Factors Contributing To Foot Lesions In Endangered Ozark Hellbenders, Cryptobranchus Alleganiensis Bishopi, Rebecca H. Hardman, Kelly J. Irwin, William B. Sutton, Debra L. Miller
Evaluation Of Severity And Factors Contributing To Foot Lesions In Endangered Ozark Hellbenders, Cryptobranchus Alleganiensis Bishopi, Rebecca H. Hardman, Kelly J. Irwin, William B. Sutton, Debra L. Miller
Agricultural and Environmental Sciences Faculty Research
Arkansas populations of Ozark Hellbenders, Cryptobranchus alleganiensis bishopi have declined precipitously over the past few decades and are now limited to a single river. Biologists have also observed an increase of distal limb lesions with unidentified etiology and unknown role in morbidity and mortality of the species in this location. We documented lesions and collected associated individual size class data and pathogen samples in Ozark Hellbenders of Arkansas (n = 73) from 2011 to 2014 with the following two objectives: (1) document spatiotemporal patterns and severity of lesions present in this last remaining Arkansas Ozark Hellbender population, and (2) determine …