Search Results - "Ruzzini, Antonio"
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1
Gene Flow and Molecular Innovation in Bacteria
Published in Current biology (26-09-2016)“…The small molecules produced by environmental bacteria have been mainstays of both chemical and biological research for decades, and some have led to important…”
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2
Tryptorubin A: A Polycyclic Peptide from a Fungus-Derived Streptomycete
Published in Journal of the American Chemical Society (20-09-2017)“…Fungus-growing ants engage in complex symbiotic relationships with their fungal crop, specialized fungal pathogens, and bacteria that provide chemical…”
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3
Variable genetic architectures produce virtually identical molecules in bacterial symbionts of fungus-growing ants
Published in Proceedings of the National Academy of Sciences - PNAS (27-10-2015)“…Small molecules produced by Actinobacteria have played a prominent role in both drug discovery and organic chemistry. As part of a larger study of the…”
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4
Comparison of individual hive and apiary-level sample types for spores of Paenibacillus larvae in Saskatchewan honey bee operations
Published in PloS one (07-02-2022)“…Three commercial honey bee operations in Saskatchewan, Canada, with outbreaks of American foulbrood (AFB) and recent or ongoing metaphylactic antibiotic use…”
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5
Pyrazines from bacteria and ants: convergent chemistry within an ecological niche
Published in Scientific reports (07-02-2018)“…Ants use pheromones to coordinate their communal activity. Volatile pyrazines, for instance, mediate food resource gathering and alarm behaviors in different…”
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6
Selvamicin, an atypical antifungal polyene from two alternative genomic contexts
Published in Proceedings of the National Academy of Sciences - PNAS (15-11-2016)“…The bacteria harbored by fungus-growing ants produce a variety of small molecules that help maintain a complex multilateral symbiosis. In a survey of…”
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7
Cell-Penetrating Antimicrobial Peptides Derived from an Atypical Staphylococcal δ-Toxin
Published in Microbiology spectrum (22-12-2021)“…Revisiting underutilized classes of antibiotics is a pragmatic approach to the identification of alternative therapies for antimicrobial-resistant pathogens…”
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8
A Rebeccamycin Analog Provides Plasmid-Encoded Niche Defense
Published in Journal of the American Chemical Society (18-11-2015)“…Bacterial symbionts of fungus-growing ants occupy a highly specialized ecological niche and face the constant existential threat of displacement by another…”
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Evaluating approved and alternative treatments against an oxytetracycline-resistant bacterium responsible for European foulbrood disease in honey bees
Published in Scientific reports (07-04-2022)“…European foulbrood (EFB) is a disease of honey bee larvae caused by Melissococcus plutonius . In North America, oxytetracycline (OTC) is approved to combat EFB…”
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10
Linear Peptides Are the Major Products of a Biosynthetic Pathway That Encodes for Cyclic Depsipeptides
Published in Organic letters (07-04-2017)“…Three new dentigerumycin analogues are produced by Streptomyces sp. M41, a bacterium isolated from a South African termite, Macrotermes natalensis. The…”
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11
Insight into antimicrobial resistance at a new beef cattle feedlot in western Canada
Published in mSphere (20-12-2023)“…A better understanding of how environmental reservoirs of ARGs in the feedlot relate to those found in animal pathogens will help inform and improve disease…”
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Establishment of apiary-level risk of American foulbrood through the detection of Paenibacillus larvae spores in pooled, extracted honey in Saskatchewan
Published in Scientific reports (25-05-2022)“…Paenibacillus larvae , the causative agent of American foulbrood (AFB), produces spores that may be detectable within honey. We analyzed the spore content of…”
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13
Metabolites Involved in Immune Evasion by Batrachochytrium dendrobatidis Include the Polyamine Spermidine
Published in Infection and immunity (01-05-2019)“…Amphibians have been declining around the world for more than four decades. One recognized driver of these declines is the chytrid fungus , which causes the…”
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14
A P450 fusion library of heme domains from Rhodococcus jostii RHA1 and its evaluation for the biotransformation of drug molecules
Published in Bioorganic & medicinal chemistry (01-09-2015)“…[Display omitted] The actinomycete Rhodococcus jostii RHA1 contains a multitude of oxygenase enzymes, consonant with its remarkable activities in the…”
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15
Investigation of Macrolide Resistance Genotypes in Mycoplasma bovis Isolates from Canadian Feedlot Cattle
Published in Pathogens (Basel) (30-07-2020)“…Mycoplasma bovis is associated with bovine respiratory disease (BRD) and chronic pneumonia and polyarthritis syndrome (CPPS) in feedlot cattle. No efficacious…”
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The Catalytic Serine of meta-Cleavage Product Hydrolases Is Activated Differently for C–O Bond Cleavage Than for C–C Bond Cleavage
Published in Biochemistry (Easton) (24-07-2012)“…meta-Cleavage product (MCP) hydrolases catalyze C–C bond fission in the aerobic catabolism of aromatic compounds by bacteria. These enzymes utilize a…”
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17
Identification of an Acyl-Enzyme Intermediate in a meta-Cleavage Product Hydrolase Reveals the Versatility of the Catalytic Triad
Published in Journal of the American Chemical Society (14-03-2012)“…Meta-cleavage product (MCP) hydrolases are members of the α/β-hydrolase superfamily that utilize a Ser-His-Asp triad to catalyze the hydrolysis of a C–C bond…”
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18
The Lid Domain of the MCP Hydrolase DxnB2 Contributes to the Reactivity toward Recalcitrant PCB Metabolites
Published in Biochemistry (Easton) (20-08-2013)“…DxnB2 and BphD are meta-cleavage product (MCP) hydrolases that catalyze C–C bond hydrolysis of the biphenyl metabolite 2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoic…”
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Are fungicides a driver of European foulbrood disease in honey bee colonies pollinating blueberries?
Published in Frontiers in ecology and evolution (30-01-2023)“…IntroductionBlueberry producers in Canada depend heavily on pollination services provided by honey bees (Apis mellifera L.). Anecdotal reports indicate an…”
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A Substrate-Assisted Mechanism of Nucleophile Activation in a Ser–His–Asp Containing C–C Bond Hydrolase
Published in Biochemistry (Easton) (22-10-2013)“…The meta-cleavage product (MCP) hydrolases utilize a Ser–His–Asp triad to hydrolyze a carbon–carbon bond. Hydrolysis of the MCP substrate has been proposed to…”
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