Physician
Gastroenterology
Dr. Don W. Roberts, MD
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Roberts works in the field of Gastroenterology. He researched medicine at Medical College of Georgia School of Medicine. He received awards:"CMS Meaningful Use Stage 1 Certification". Doctor Don W. Roberts, MD has written publications. He has 75 publications published with PubMed. The lastest publication is: 'Growth of Coelomomyces psorophorae mycelium in vitro.'
Publications
- The effects of modern cementing techniques on the longevity of total hip arthroplasty.
- Entomogenous Fusarium species.
- The base composition of entomopoxvirus DNA.
- Cytoplasmic glycogen inclusions in cells of anaerobic gram-negative rumen bacteria.
- Host age as a determinant of infection rates with the mosquito pathogen Lagenidium giganteum (Oomycetes: Lagenidiales).
- Dehiscence of Coelomomyces psorophorae sporangia from Aedes taeniorhynchus: induction by amines and amino acids.
- Characterization of entomopox virions of the army cutworm, Euxoa auxiliaris (Lepidoptera:Noctuidae).
- Growth of Coelomomyces psorophorae mycelium in vitro.
- Experimental laboratory infection of mosquito larvae with fungi of the genus Coelomomyces. II. Experiments with Coelomomyces punctatus in Anopheles quadrimaculatus.
- Purification and partial characterization of an entomopoxvirus of the midge Goeldichironomus holoprasinus.
- Experimental laboratory infection of mosquito larvae with fungi of the genus Coelomomyces. 1. Experiments with Coelomomyces psorophorae var. in Aedes taeniorhynchus an...
- Isolation of beauvericin as an insect toxin from Fusarium semitectum and Fusarium moniliforme var. subglutinans.
- Means for insect regulation: fungi.
- Effects of salinity, pH, organic solutes, anaerobic conditions, and the presence of other microbes on production and survival of Lagenidium giganteum (Oomycetes: Lagen...
- Effect of formulation on the viability of Metarhizium anisopliae conidia.
- Characterization and Ultrastructural Localization of Chitinases from Metarhizium anisopliae, M. flavoviride, and Beauveria bassiana during Fungal Invasion of Host (Man...
- Molecular cloning and regulatory analysis of the cuticle-degrading-protease structural gene from the entomopathogenic fungus Metarhizium anisopliae.
- Cloning and regulatory analysis of starvation-stress gene, ssgA, encoding a hydrophobin-like protein from the entomopathogenic fungus, Metarhizium anisopliae.
- Characterization of a novel carboxypeptidase produced by the entomopathogenic fungus Metarhizium anisopliae.
- Histologic study of head cartilage degeneration in rainbow trout (Oncorhynchus mykiss) infected with the parasite Myxobolus cerebralis.
- Study of the tail fin rays of rainbow trout (Oncorhynchus mykiss) infected with the parasite Myxobolus cerebralis.
- Pathotypes in the Entomophaga grylli species complex of grasshopper pathogens differentiated with random amplification of polymorphic DNA and cloned-DNA probes.
- Novel GTP-binding proteins in plasma membranes of the fungus Metarhizium anisopliae.
- Adaptation of proteases and carbohydrates of saprophytic, phytopathogenic and entomopathogenic fungi to the requirements of their ecological niches.
- Studies on the prolonged storage of Metarhizium anisopliae conidia: effect of growth substrate on conidial survival and virulence against mosquitoes.
- Studies on the prolonged storage of Metarhizium anisopliae conidia: effect of temperature and relative humidity on conidial viability and virulence against mosquitoes.
- Isolation of a cDNA encoding a novel subtilisin-like protease (Pr1B) from the entomopathogenic fungus, Metarhizium anisopliae using differential display-RT-PCR.
- Construction of an improved mycoinsecticide overexpressing a toxic protease.
- Biochemical characterization and ultrastructural localization of two extracellular trypsins produced by Metarhizium anisopliae in infected insect cuticles.
- Differentiation of species and strains of entomopathogenic fungi by random amplification of polymorphic DNA (RAPD).
- Isoforms of the cuticle-degrading Pr1 proteinase and production of a metalloproteinase by Metarhizium anisopliae.
- Genetic diversity among Brazilian isolates of Beauveria bassiana: comparisons with non-Brazilian isolates and other Beauveria species.
- Fate of biological control introductions: monitoring an Australian fungal pathogen of grasshoppers in North America.
- An inner cell wall protein (cwp1) from conidia of the entomopathogenic fungus Beauveria bassiana.
- Characterization of Metarhizium species and varieties based on molecular analysis, heat tolerance and cold activity.
- Variability in response to UV-B among species and strains of Metarhizium isolated from sites at latitudes from 61 degrees N to 54 degrees S.
- Both solar UVA and UVB radiation impair conidial culturability and delay germination in the entomopathogenic fungus Metarhizium anisopliae.
- Effects of UVB irradiance on conidia and germinants of the entomopathogenic Hyphomycete Metarhizium anisopliae: a study of reciprocity and recovery.
- Effect of salts, vitamins, sugars and nitrogen sources on the growth of three genera of Entomophthorales: Batkoa, Furia, and Neozygites.
- Physical and chemical effects on viability of the Myxobolus cerebralis triactinomyxon.
- Perspectives on the potential of entomopathogenic fungi in biological control of ticks.
- An intensive search for promising fungal biological control agents of ticks, particularly Rhipicephalus microplus.
- Effect of MC1R variant allele status on MSH-ligand induction of dopachrome tautomerase in melanocytes co-cultured with keratinocytes.
- Visible light during mycelial growth and conidiation of Metarhizium robertsii produces conidia with increased stress tolerance.
- Damage and recovery from UV-B exposure in conidia of the entomopathogens Verticillium lecanii and Aphanocladium album.
- A proteomic approach to identifying proteins differentially expressed in conidia and mycelium of the entomopathogenic fungus Metarhizium acridum.
- Fungal tyrosine betaine, a novel secondary metabolite from conidia of entomopathogenic Metarhizium spp. fungi.
- Quantification of cyclobutane pyrimidine dimers induced by UVB radiation in conidia of the fungi Aspergillus fumigatus, Aspergillus nidulans, Metarhizium acridum and M...
- Thermotolerance of germlings and mycelium of the insect-pathogenic fungus Metarhizium spp. and mycelial recovery after heat stress.
- A laccase exclusively expressed by Metarhizium anisopliae during isotropic growth is involved in pigmentation, tolerance to abiotic stresses and virulence.
- Photodynamic inactivation of conidia of the fungi Metarhizium anisopliae and Aspergillus nidulans with methylene blue and toluidine blue.
- Effects of physical and nutritional stress conditions during mycelial growth on conidial germination speed, adhesion to host cuticle, and virulence of Metarhizium anis...
- Evaluating physical and nutritional stress during mycelial growth as inducers of tolerance to heat and UV-B radiation in Metarhizium anisopliae conidia.
- Variability in UVB tolerances of melanized and nonmelanized cells of Cryptococcus neoformans and C. laurentii.
- Melanocortin-1 receptor signaling markedly induces the expression of the NR4A nuclear receptor subgroup in melanocytic cells.
- Cold activity of Beauveria and Metarhizium, and thermotolerance of Beauveria.
- Human melanocytes expressing MC1R variant alleles show impaired activation of multiple signaling pathways.
- Melanocytes expressing MC1R polymorphisms associated with red hair color have altered MSH-ligand activated pigmentary responses in coculture with keratinocytes.
- Variability in tolerance to UV-B radiation among Beauveria spp. isolates.
- MC1R expression in skin: is it confined to melanocytes?
- Post-transcriptional regulation of melanin biosynthetic enzymes by cAMP and resveratrol in human melanocytes.
- Mutants and isolates of Metarhizium anisopliae are diverse in their relationships between conidial pigmentation and stress tolerance.
- Growth of Metarhizium anisopliae on non-preferred carbon sources yields conidia with increased UV-B tolerance.
- Conidial pigmentation is important to tolerance against solar-simulated radiation in the entomopathogenic fungus Metarhizium anisopliae.
- Quantitative analysis of MC1R gene expression in human skin cell cultures.
- The fungal past, present, and future: germination, ramification, and reproduction.
- Influence of growth environment on tolerance to UV-B radiation, germination speed, and morphology of Metarhizium anisopliae var. acridum conidia.
- Impact of the entomopathogenic fungus Verticillium lecanii on development of an aphid parasitoid, Aphidius colemani.
- Simple, inexpensive media for mass production of three entomophthoralean fungi.
- Variability in conidial thermotolerance of Metarhizium anisopliae isolates from different geographic origins.
- Variations in UV-B tolerance and germination speed of Metarhizium anisopliae conidia produced on insects and artificial substrates.
- Factors influencing wear and osteolysis in press-fit condylar modular total knee replacements.
- Metarhizium spp., cosmopolitan insect-pathogenic fungi: mycological aspects.
- Enzyme activities associated with oxidative stress in Metarhizium anisopliae during germination, mycelial growth, and conidiation and in response to near-UV irradiation.
Schools
Medical College Of Georgia School Of Medicine
University Louisville Affil Hosps
Doctors Specialties
- Internal Medicine
- Gastroenterology
Accepted Insurances
Awards
- CMS Meaningful Use Stage 1 Certification
Education
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University of Louisville -
Medical College of Georgia School of Medicine
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