Donald W. Roberts

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Publications of Donald W. Roberts (27 listed):

BioControl (2020) 65, 211-222
Carla Huarte-Bonnet, Ronaldo A. Pereira-Junior, Flávia R.A. Paixão, Gilberto U.L. Braga, Donald W. Roberts, Christian Luz, Nicolás Pedrini and Éverton K.K. Fernandes (2020)
Metarhizium robertsii and M. acridum conidia produced on riboflavin-supplemented medium have increased UV-A tolerance and upregulated photoprotection and photoreactivation genes

Journal of Applied Microbiology (2018) 125, 159-171
R.A. Pereira-Junior, C. Huarte-Bonnet, F.R.S. Paixão, D.W. Roberts, C. Luz, N. Pedrini and É.K.K. Fernandes (2018)
Riboflavin induces Metarhizium spp. to produce conidia with elevated tolerance to UV-B, and upregulates photolyases, laccases and polyketide synthases genes

BioControl (2017) 62, 257-268
Chad A. Keyser, Éverton K.K. Fernandes, Drauzio E.N. Rangel, R. Nelson Foster, Larry E. Jech, K. Chris Reuter, Lonnie R. Black, Stefan Jaronski, Darl D. Flake, Edward W. Evans and Donald W. Roberts (2017)
Laboratory bioassays and field-cage trials of Metarhizium spp. isolates with field-collected Mormon crickets (Anabrus simplex)

Parasitology Research (2015) 114, 2309-2315
Patrícia S. Golo, Huarrisson A. Santos, Wendell M.S. Perinotto, Simone Quinelato, Isabele C. Angelo, Mariana G. Camargo, Fillipe A. Sá, Carlos L. Massard, Éverton K.K. Fernandes, Donald W. Roberts and Vânia R.E.P. Bittencourt (2015)
The influence of conidial Pr1 protease on pathogenicity potential of Metarhizium anisopliae senso latu to ticks

PLoS ONE (2014) 9 (8 - e104946)
Patrícia S. Golo, Dale R. Gardner, Michelle M. Grilley, Jon Y. Takemoto, Stuart B. Krasnoff, Marcus S. Pires, Éverton K.K. Fernandes, Vânia R.E.P. Bittencourt and Donald W. Roberts (2014)
Production of destruxins from Metarhizium spp. fungi in artificial medium and in endophytically colonized cowpea plants

Biocontrol Science and Technology (2012) 22, 319-331
Jeong Jun Kim and Donald W. Roberts (2012)
The relationship between conidial dose, moulting and insect developmental stage on the susceptibility of cotton aphid, Aphis gossypii, to conidia of Lecanicillium attenuatum, an entomopathogenic fungus

FEMS Microbiology Letters (2011) 315, 81-86
Drauzio E.N. Rangel, Éverton K.K. Fernandes, Gilberto U.L. Braga and Donald W. Roberts (2011)
Visible light during mycelial growth and conidiation of Metarhizium robertsii produces conidia with increased stress tolerance

Biocontrol Science and Technology (2010) 20, 117-136
Zengzhi Li, Sérgio B. Alves, Donald W. Roberts, Meizhen Fan, Italo Delalibera Jr., Jian Tang, Rogério B. Lopes, Marcos Faria and Drauzio E.N. Rangel (2010)
Biological control of insects in Brazil and China: history, current programs and reasons for their successes using entomopathogenic fungi

Journal of Applied Microbiology (2010) 108, 115-128
É.K.K. Fernandes, C.A. Keyser, J.P. Chong, D.E.N. Rangel, M.P. Miller and D.W. Roberts (2010)
Characterization of Metarhizium species and varieties based on molecular analysis, heat tolerance and cold activity

Biocontrol Science and Technology (2010) 20, 375-389
Drauzio E.N. Rangel, Seth J. Dettenmaier, Éverton K.K. Fernandes and Donald W. Roberts (2010)
Susceptibility of Metarhizium spp. and other entomopathogenic fungi to dodine-based selective media

Journal of Applied Microbiology (2009) 107, 760-774
É.K.K. Fernandes, Á.M.L. Moraes, R.S. Pacheco, D.E.N. Rangel, M.P. Miller, V.R.E.P. Bittencourt and D.W. Roberts (2009)
Genetic diversity among Brazilian isolates of Beauveria bassiana: comparisons with non-Brazilian isolates and other Beauveria species

Canadian Journal of Microbiology - Revue Canadienne de Microbiologie (2004) 50, 41-49
Charles D. Miller, Drauzio Rangel, Gilberto U.L. Braga, Stephan Flint, Sun-Il Kwon, Claudio L. Messias, Donald W. Roberts and Anne J. Anderson (2004)
Enzyme activities associated with oxidative stress in Metarhizium anisopliae during germination, mycelial growth, and conidiation and in response to near-UV irradiation

Mycologia (2002) 94, 912-920
Gilberto U.L. Braga, Drauzio E.N. Rangel, Stephan D. Flint, Charles D. Miller, Anne J. Anderson and Donald W. Roberts (2002)
Damage and recovery from UV-B exposure in conidia of the entomopathogens Verticillium lecanii and Aphanocladium album

Applied and Environmental Microbiology (1998) 64, 709-713
Raymond J. St. Leger, Lokesh Joshi and Donald Roberts (1998)
Ambient pH is a major determinant in the expression of cuticle-degrading enzymes and hydrophobin by Metarhizium anisopliae

Molecular Ecology (1997) 6, 303-308
M.J. Bidochka, S.R.A. Walsh, M.E. Ramos, R.J. St. Leger, R.I. Carruthers, J.C. Silver and D.W. Roberts (1997)
Cloned DNA probes distinguish endemic and exotic Entomophaga grylli fungal pathotype infections in grasshopper life stages

Proceedings of the National Academy of Sciences of the United States of America (1996) 93, 918-921
Michael J. Bidochka, Scott R.A. Walsh, Mark E. Ramos, Raymond J. St. Leger, Julie C. Silver and Donald W. Roberts (1996)
Fate of biological control introductions: Monitoring an Australian fungal pathogen of grasshoppers in North America

Applied and Environmental Microbiology (1996) 62, 907-912
R.J. St. Leger, L. Joshi, M.J. Bidochka, N.W. Rizzo and D.W. Roberts (1996)
Characterization and ultrastructural localization of chitinases from Metarhizium anisopliae, M. flavoviride, and Beauveria bassiana during fungal invasion of host (Manduca sexta) cuticle

Environmental Entomology (1995) 24, 1307-1314
Ann E. Hajek, J. Alan A. Renwick and Donald W. Roberts (1995)
Effects of larval host plant on the gypsy moth (Lepidoptera: Lymantriidae) fungal pathogen, Entomophaga maimaiga (Zygomycetes: Entomophthorales)

Environmental Entomology (1994) 23, 502-513
M.G. Villani, S.R. Krueger, P.C. Schroeder, F. Consolie, N.H. Consolie, L.M. Prestonwilsey and D.W. Roberts (1994)
Soil application effects of Metarhizium anisopliae on Japanese beetle (Coleoptera, Scarabaeidae) behavior and survival in turfgrass microcosms

Environmental Entomology (1992) 21, 706-713
Ann E. Hajek and Donald W. Roberts (1992)
Field diagnosis of gypsy moth (Lepidoptera: Lymantriidae) larval mortality caused by Entomophaga maimaiga and the gypsy moth nuclear polyhedrosis virus

Environmental Entomology (1991) 20, 1460-1468
B.P. Magalhães, R.A. Humber, E.J. Shields and D.W. Roberts (1991)
Effects of environment and nutrition on conidium germination and appressorium formation by Zoophthora radicans (Zygomycetes: Entomophthorales): A pathogen of the potato leafhopper (Homoptera: Cicadellidae)

Environmental Entomology (1988) 17, 140-145
T.E. Anderson, D.W. Roberts and R.S. Soper (1988)
Use of Beauveria bassiana for suppression of Colorado potato beetle populations in New York State (Coleoptera, Crysomelidae)

Mycotaxon (1986) 17, 87-92
R.C. Rombach, R.A. Humber and D.W. Roberts (1986)
Metarhizium flavoviride var. minus, var. nov. a pathogen of plant- and leafhoppers on rice in the Philippines and Solomon Islands

Environmental Entomology (1986) 15, 1070-1073
M.C. Rombach, R.M. Aguda, B.M. Shepard and D.W. Roberts (1986)
Infection of rice brown planthopper, Nilaparvata lugens (Homoptera: Delphacidae), by field application of entomopathogenic hyphomycetes (Deuteromycotina)

Environmental Entomology (1983) 12, 774-778
A.W. Sweeney and D.W. Roberts (1983)
Laboratory evaluation of the fungus Culicinomyces clavosporus for control of blackfly (Diptera: Simuliidae) larvae

Environmental Entomology (1983) 12, 1724-1726
R. Loria, S. Galaini and D.W. Roberts (1983)
Survival of inoculum of the entomopathogenic fungus Beauveria bassiana as influenced by fungicides

Environmental Entomology (1982) 11, 189-192
J.A. Shadduck, D.W. Roberts and S. Lause (1982)
Mammalian safety tests of Metarhizium anisopliae: preliminary results