Matthew Waldner
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View article: Bacterial Microbiota in Soil Amended with Deoxynivalenol-Contaminated Wheat
Bacterial Microbiota in Soil Amended with Deoxynivalenol-Contaminated Wheat Open
Feed contaminated with the mycotoxin deoxynivalenol (DON) can negatively impact livestock health and performance. Bacteria capable of degrading DON present a method of mitigating its harmful effects. This study aimed to identify microbial …
View article: 386 Decoding poultry threats: Unveiling sequencing types, serogroups, and antimicrobial resistance of avian pathogenic Escherichia coli in Alberta, Canada.
386 Decoding poultry threats: Unveiling sequencing types, serogroups, and antimicrobial resistance of avian pathogenic Escherichia coli in Alberta, Canada. Open
Background: Avian pathogenic Escherichia coli (APEC) is the causative agent of avian colibacillosis, leading to substantial economic losses in Canada and other regions. Avian fecal E. coli (AFEC) is considered a potential reservoir for APE…
View article: Providing a rest stop during transportation affects the respiratory bacterial microbiota of beef cattle
Providing a rest stop during transportation affects the respiratory bacterial microbiota of beef cattle Open
Background Bovine respiratory disease (BRD) is a significant health concern in beef cattle production, leading to substantial economic losses. In North America, beef cattle are frequently transported over long distances for placement into …
View article: In vitro and ex vivo metabolism of chemically diverse fructans by bovine rumen Bifidobacterium and Lactobacillus species
In vitro and ex vivo metabolism of chemically diverse fructans by bovine rumen Bifidobacterium and Lactobacillus species Open
Background Inulin and inulin-derived fructooligosaccharides (FOS) are well-known prebiotics for use in companion animals and livestock. The mechanisms by which FOS contribute to health has not been fully established. Further, the fine chem…
View article: PSVI-5 Bacteriophage biocontrol of avian pathogenic <i>Escherichia coli</i> in laying hens does not produce collateral effects on the cecal microbiota
PSVI-5 Bacteriophage biocontrol of avian pathogenic <i>Escherichia coli</i> in laying hens does not produce collateral effects on the cecal microbiota Open
Bacteriophages have shown promise as an alternative to antibiotics for managing or preventing avian pathogenic Escherichia coli (APEC) in the egg industry. In a previous study, a phage cocktail comprising 3 virulent phages was shown to pre…
View article: The respiratory and fecal microbiota of beef calves from birth to weaning
The respiratory and fecal microbiota of beef calves from birth to weaning Open
The development and growth of animals coincide with the establishment and maturation of their microbiotas. To evaluate the respiratory and fecal microbiotas of beef calves from birth to weaning, a total of 30 pregnant cows, and their calve…
View article: The Isolation and Characterization of Bacteriophages Infecting Avian Pathogenic Escherichia coli O1, O2 and O78 Strains
The Isolation and Characterization of Bacteriophages Infecting Avian Pathogenic Escherichia coli O1, O2 and O78 Strains Open
Avian pathogenic Escherichia coli (APEC), such as O1, O2 and O78, are important serogroups relating to chicken health, being responsible for colibacillosis. In this study, we isolated and characterized bacteriophages (phages) from hen fece…
View article: Auction market placement and a rest stop during transportation affect the respiratory bacterial microbiota of beef cattle
Auction market placement and a rest stop during transportation affect the respiratory bacterial microbiota of beef cattle Open
Background Bovine respiratory disease (BRD) is a significant health problem in beef cattle production, resulting in considerable economic losses due to mortalities, cost of treatment, and reduced feed efficiency. The onset of BRD is multif…
View article: Activation of the Anaphase Promoting Complex Reverses Multiple Drug Resistant Cancer in a Canine Model of Multiple Drug Resistant Lymphoma
Activation of the Anaphase Promoting Complex Reverses Multiple Drug Resistant Cancer in a Canine Model of Multiple Drug Resistant Lymphoma Open
Like humans, canine lymphomas are treated by chemotherapy cocktails and frequently develop multiple drug resistance (MDR). Their shortened clinical timelines and tumor accessibility make canines excellent models to study MDR mechanisms. In…
View article: Genome-Wide Association Study of Nucleotide Variants Associated with Resistance to Nine Antimicrobials in Mycoplasma bovis
Genome-Wide Association Study of Nucleotide Variants Associated with Resistance to Nine Antimicrobials in Mycoplasma bovis Open
Antimicrobial resistance (AMR) studies of Mycoplasma bovis have generally focused on specific loci versus using a genome-wide association study (GWAS) approach. A GWAS approach, using two different models, was applied to 194 Mycoplasma bov…
View article: Application of Four Genotyping Methods to Mycoplasma bovis Isolates Derived from Western Canadian Feedlot Cattle
Application of Four Genotyping Methods to Mycoplasma bovis Isolates Derived from Western Canadian Feedlot Cattle Open
Mycoplasma bovis is a significant pathogen of feedlot cattle, responsible for chronic pneumonia and polyarthritis syndrome (CPPS). M. bovis isolates ( n = 129) were used to compare four methods of phylogenetic analysis and to determine if …
View article: Investigation of Macrolide Resistance Genotypes in Mycoplasma bovis Isolates from Canadian Feedlot Cattle
Investigation of Macrolide Resistance Genotypes in Mycoplasma bovis Isolates from Canadian Feedlot Cattle Open
Mycoplasma bovis is associated with bovine respiratory disease (BRD) and chronic pneumonia and polyarthritis syndrome (CPPS) in feedlot cattle. No efficacious vaccines for M. bovis exist; hence, macrolides are commonly used to control myco…
View article: Activation of the Anaphase Promoting Complex reverses multiple drug resistant cancer
Activation of the Anaphase Promoting Complex reverses multiple drug resistant cancer Open
Like humans, canines spontaneously develop lymphomas that are treated by chemotherapy cocktails and frequently develop multiple drug resistance (MDR). Their shortened clinical timelines and tumor accessibility make them excellent models to…
View article: Comparison of Two Multilocus Sequence Typing Schemes for Mycoplasma bovis and Revision of the PubMLST Reference Method
Comparison of Two Multilocus Sequence Typing Schemes for Mycoplasma bovis and Revision of the PubMLST Reference Method Open
Mycoplasma bovis causes pneumonia, pharyngitis, otitis, arthritis, mastitis, and reproductive disorders in cattle and bison. Two multilocus sequence typing (MLST) schemes have been developed for M. bovis , with one serving as the PubMLST r…
View article: Transcriptome Analysis Identifies <i>Plasmodiophora brassicae</i> Secondary Infection Effector Candidates
Transcriptome Analysis Identifies <i>Plasmodiophora brassicae</i> Secondary Infection Effector Candidates Open
Plasmodiophora brassicae (Wor.) is an obligate intracellular plant pathogen affecting Brassicas worldwide. Identification of effector proteins is key to understanding the interaction between P. brassicae and its susceptible host plants. To…
View article: Comparison of multilocus sequence types found among North American isolates of <i>Mycoplasma bovis</i> from cattle, bison, and deer, 2007–2017
Comparison of multilocus sequence types found among North American isolates of <i>Mycoplasma bovis</i> from cattle, bison, and deer, 2007–2017 Open
A prior multilocus sequence typing (MLST) study reported that Mycoplasma bovis isolates from North American bison possess sequence types (STs) different from those found among cattle. The 42 bison isolates evaluated were obtained in 2007 o…
View article: Identification of Plasmodiophora brassicae effectors — A challenging goal
Identification of Plasmodiophora brassicae effectors — A challenging goal Open
Clubroot is an economically important disease affecting Brassica plants worldwide. Plasmodiophora brassicae is the protist pathogen associated with the disease, and its soil-borne obligate parasitic nature has impeded studies related to it…
View article: Additional file 1: of Transcriptome analysis of response to Plasmodiophora brassicae infection in the Arabidopsis shoot and root
Additional file 1: of Transcriptome analysis of response to Plasmodiophora brassicae infection in the Arabidopsis shoot and root Open
List of primers that were used for qRT-PCR analysis. (XLS 30 kb)
View article: Additional file 3: of Transcriptome analysis of response to Plasmodiophora brassicae infection in the Arabidopsis shoot and root
Additional file 3: of Transcriptome analysis of response to Plasmodiophora brassicae infection in the Arabidopsis shoot and root Open
List of DEGs in several metabolism pathways and biological processes in Arabidopsis after P. brassicae infection. P-value was assigned as NA if there were not three counts for the gene (three replications) or the gene read contained an ext…