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United States Department of Agriculture

Agricultural Research Service

Edward P Masler (Pete)
Research Physiologist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Behavioral differences of Heterodera glycines and Meloidogyne incognita infective juveniles exposed to root extracts in vitro -
Evaluation of proteases and protease inhibitors in Heterodera glycines cysts obtained from laboratory and field populations -
Assessment of DAPG-producing Pseudomonas fluorescens for management of Meloidogyne incognita and Fusarium oxysporum on watermelon Reprint Icon -
Meyer, S.L., Everts, K., Gardener, B.M., Masler, E.P., Abdelnabby, H.M., Skantar, A.M. 2016. Assessment of DAPG-producing Pseudomonas fluorescens for management of Meloidogyne incognita and Fusarium oxysporum on watermelon. Journal of Nematology. 48(1):43–53.
De novo asymmetric synthesis and biological analysis of the daumone pheromones in Caenorhabditis elegans and in the soybean cyst nematode Heterodera glycines -
Guo, H., La Clair, J., Masler, E.P., O'Dougherty, G., Xing, Y. 2016. De novo asymmetric synthesis and biological analysis of the daumone pheromones in Caenorhabditis elegans and in the soybean cyst nematode Heterodera glycines. Tetrahedron. 72(18):2280-2286.
Heterodera glycines cysts contain an extensive array of endoproteases as well as inhibitors of proteases in H. glycines and Meloidogyne incognita infective juvenile stages -
Masler, E.P., Chitwood, D.J. 2016. Heterodera glycines cysts contain an extensive array of endoproteases as well as inhibitors of proteases in H. glycines and Meloidogyne incognita infective juvenile stages. Nematology. 18(4):489-499.
Isolation and identification of nematode-antagonistic compounds from the fungus Aspergillus candidus -
Shemshura, O.N., Beckmakhanova, N.E., Mazunina, M.N., Meyer, S.L., Rice, C., Masler, E.P. 2016. Isolation and identification of nematode-antagonistic compounds from the fungus Aspergillus candidus. FEMS Microbiology Letters. 363(5):1-9.
Protease inhibition by Heterodera glycines cyst content: evidence for effects on the Meloidogyne incognita proteasome -
Masler, E.P. 2015. Protease inhibition by Heterodera glycines cyst content: evidence for effects on the Meloidogyne incognita proteasome. Nematology. 17(1):91-102.
Targeting internal processes of plant-parasitic nematodes in the pursuit of novel agents for their control -
Masler, E.P. 2014. Targeting internal processes of plant-parasitic nematodes in the pursuit of novel agents for their control. Nematology. 16(9):1001-1017.
Benzyl isothiocyanate affects development, hatching and reproduction of the soybean cyst nematode Heterodera glycines -
Wu, H., Masler, E.P., Rogers, S.T., Chen, C., Chitwood, D.J. 2014. Benzyl isothiocyanate affects development, hatching and reproduction of the soybean cyst nematode Heterodera glycines. Nematology. 16(4):495-504.
Nematotoxicity of drupacine and a Cephalotaxus alkaloid preparation against the plant-parasitic nematodes Meloidogyne incognita and Bursaphelenchus xylophilus Reprint Icon -
Wen, Y., Meyer, S.L.F, Masler, E.P., Zhang, F., Liao, J., Wei, X., Chitwood, D.J. 2013. Nematotoxicity of drupacine and a Cephalotaxus alkaloid preparation against the plant-parasitic nematodes Meloidogyne incognita and Bursaphelenchus xylophilus. Pest Management Science. 69(9):1026-1033.
Effects of catechin polyphenols and preparations from the plant-parasitic nematode Heterodera glycines on protease activity and behavior in three nematode species -
Masler, E.P. 2013. Effects of catechin polyphenols and preparations from the plant-parasitic nematode Heterodera glycines on protease activity and behavior in three nematode species. Journal of Helminthology. DOI: 10.1017/S0022149X13000254.
Effects of catechins and low temperature on embryonic development and hatching in Heterodera glycines and Meloidogyne incognita -
Masler, E.P., Rogers, S.T., Chitwood, D.J. 2013. Effects of catechins and low temperature on embryonic development and hatching in Heterodera glycines and Meloidogyne incognita. Nematology. 15(6):653-663.
A comparison of the FMRFamide-like peptide proteolytic activities of preparations from two plant-parasitic nematodes (Heterodera glycines and Meloidogyne incognita): possible targets for novel control -
Masler, E.P. 2013. A comparison of the FMRFamide-like peptide proteolytic activities of preparations from two plant-parasitic nematodes (Heterodera glycines and Meloidogyne incognita): possible targets for novel control. Journal of Helminthology. 87(1):71-77.
Behaviour of Heterodera glycines and Meloidogyne incognita infective juveniles exposed to nematode FMRFamide-like peptides in vitro -
Masler, E.P., Nagarkar, A., Edwards, L., Hooks, C.R. 2012. Behaviour of Heterodera glycines and Meloidogyne incognita infective juveniles exposed to nematode FMRFamide-like peptides in vitro. Nematology. 14(5):605-612.
Free-living nematode peptides -
Masler, E.P. 2013. Free-living nematode peptides. In: Kastin, A., editor. Handbook of Biologically Active Peptides. 2nd edition. New York, NY: Elsevier/Academic Press. p. 247-254.
In vitro proteolysis of nematode FLPs by preparations from the free-living nematode Panagrellus redivivus and two plant-parasitic nematodes (Heterodera glycines and Meloidogyne incognita) -
Masler, E.P. 2012. In vitro proteolysis of nematode FLPs by preparations from the free-living nematode Panagrellus redivivus and two plant-parasitic nematodes (Heterodera glycines and Meloidogyne incognita). Journal of Helminthology. 86(1):77-84.
Effects of cyst components and low temperature exposure of Heterodera glycines eggs on juvenile hatching in vitro -
Masler, E.P., Rogers, S.T. 2010. Effects of cyst components and low temperature exposure of Heterodera glycines eggs on juvenile hatching in vitro. Nematology. 13(7):837-844.
Heterodera glycines hatching behavior in field collections, laboratory culture and exposure to low temperature -
In vitro comparison of protease activities in preparations from free-living (Panagrellus redivivus) and plant-parasitic (Meloidogyne incognita) nematodes using FMRFa and FMRFa-like peptides as substrates -
Masler, E.P. 2010. In vitro comparison of protease activities in preparations from free-living (Panagrellus redivivus) and plant-parasitic (Meloidogyne incognita) nematodes using FMRFa and FMRFa-like peptides as substrates. Journal of Helminthology. 84(4):425-433.
Effects of benzyl isothiocyanate on the reproduction of Meloidogyne incognita on Glycine max and Capsicum annuum -
Masler, E.P., Zasada, I.A., Sardanelli, S., Rogers, S.T., Halbrendt, J.M. 2010. Effects of benzyl isothiocyanate on the reproduction of Meloidogyne incognita on Glycine max and Capsicum annuum. Nematology. 12(5):693-699.
Behavioral Response of Meloidogyne incognita to Benzyl Isothiocyanate -
Zasada, I.A., Masler, E.P., Rogers, S.T., Halbrendt, J.M. 2009. Behavioral response of Meloidogyne incognita to benzyl isothiocyanate. Nematology. 11:603-610.
Behavioral Response of Meloidogyne incognita to Benzyl Isothiocyanate -
Zasada, I.A., Masler, E.P., Halbrendt, J.M. 2008. Behavioral Response of Meloidogyne incognita to Benzyl Isothiocyanate. International Biofumigation Symposium.
Differential behavioral responses of two plant-parasitic nematodes to biogenic amines -
Masler, E.P. 2008. Responses of Heterodera glycines and Meloidogyne incognita to exogenously applied biogenic amines. Nematology. 10:911-917.
Invertebrate Neuropeptides -
Masler, E.P. 2008. Invertebrate Neuropeptides. In: Meyers, R.A., editor. Neurobiology. From Molecular Basis to Disease. Vol. 1. Weinheim: Wiley-VCH Verlag. p. 257-271.
Clove oil and fungus compounds: Can nematode suppression be achieved without phytotoxicity? -
Meyer, S.L., Lakshman, D.K., Zasada, I.A., Vinyard, B.T., Chitwood, D.J., Shemshura, O.N., Bekmakhanova, N.E., Mazunina, M.N., Yeskalieva, B.K., Masler, E.P. 2007. Clove oil and fungus compounds: Can nematode suppression be achieved without phytotoxicity [abstract]? Journal of Nematology. 39:92.
Digestion of FMRFamide and nematode FMRFamide-like peptides (nematode FLPs) by the soluble fraction from Panagrellus redivivus homogenate -
Masler, E.P. 2008. Digestion of invertebrate neuropeptides by preparations from the free-living nematode Panagrellus redivivus. Journal of Helminthology. 82:279-285.
Stability of Heterodera glycines (Tylenchida: Heteroderidae) juvenile hatching from eggs obtained from different sources of soybean, Glycine max. -
Masler, E.P., Donald, P.A., Sardanelli, S.S. 2008. Stability of Heterodera glycines (Tylenchida: Heteroderidae) juvenile hatching from eggs obtained from different sources of soybean, Glycine max. Nematology. 10(2):271-278.
HATCHING BEHAVIOR IN HETERODERA GLYCINES IN RESPONSE TO LOW TEMPERATURE -
Masler, E.P., Zasada, I.A., Sardanelli, S. 2008. Hatching behavior in Heterodera glycines in response to low temperature. Comparative Parasitology. 75(1):76-81.
INFLUENCE OF COMPONENTS OF GLOBODERA ROSTOCHIENSIS CYSTS ON THE IN VITRO HATCH OF SECOND-STAGE JUVENILES -
Pridannikov, M.V., Petelina, G.G., Palchuk, M.V., Masler, E.P., Dzhavakhiya, V.G. 2007. Influence of components of Globodera rostochiensis cysts on the in vitro hatch of second-stage juveniles. Nematology. 9(6):837-844.
RESPONSES OF HETERODERA GLYCINES AND MELOIDOGYNE INCOGNITA TO EXOGENOUSLY APPLIED NEUROMODULATORS -
Masler, E.P. 2007. Responses of Heterodera glycines and Meloidogyne incognita to exogenously applied neuromodulators. Journal of Helminthology. 81:421-427.
CHARACTERIZATION OF AMINOPEPTIDASE IN THE FREE-LIVING NEMATODE PANAGRELLUS REDIVIVUS: SUBCELLULAR DISTRIBUTION AND POSSIBLE ROLE IN NEUROPEPTIDE METABOLISM -
Masler, E.P. 2007. Characterization of aminopeptidase in the free-living nematode Panagrellus redivivus: subcellular distribution and possible role in neuropeptide metabolism. Journal of Nematology. 39(2):153-160.
FREE-LIVING NEMATODE PEPTIDES -
Masler, E.P. 2006. Free-living nematode peptides. In A. Kastin, ed. Handbook of Biologically Active Peptides. New York: Academic Press. pp. 247-253.
MANIPULATION OF HATCHING BEHAVIOR IN HETERODERA GLYCINES THROUGH EXPOSURE TO LOW TEMPERATURE -
Masler, E.P., Zasada, I.A., Sardanelli, S. 2005. Manipulation of hatching behavior in heterodera glycines through exposure to low temperature. Journal of Nematology 37: 380.
Changes in FaRP-like peptide levels during development of eggs from the plant-parasitic cyst nematode, Heterodera glycines -
Masler, E.P. 2005. Changes in farp-like peptide levels during development of eggs from the plant-parasitic cyst nematode, heterodera glycines. Journal of Helminthology 80(1):53-58.
MANIPULATION OF HATCHING BEHAVIOR IN HETERODERA GLYCINES THROUGH EXPOSURE TO LOW TEMPERATURE -
Masler, E.P., Zasada, I.A., Sardanelli, S. 2005. Manipulation of hatching behavior in Heterodera glycines through exposure to low temperature [abstract]. Journal of Nematology. 37:380.
Molecular Characterization of aldolase from Heterodera Glycines and Globodera rostochiensis -
Kovaleva, E.S., Masler, E.P., Subbotin, S.A., Chitwood, D.J. 2005. Molecular Characterization of Aldolase from Heterodera glycines and Globodera Rostochiensis. Journal of Nematology. 37:292-296.
MOLECULAR CHARACTERIZATION OF THE ACTIN GENE FROM CYST NEMATODES IN COMPARISON WITH THOSE FROM OTHER NEMATODES -
Kovaleva, E.S., Subbotin, S.A., Masler, E.P., Chitwood, D.J. 2005. Molecular characterization of the actin gene from cyst nematodes in comparison with those from other nematodes. Comparative Parasitology. 72(1): 39-49.
INVERTEBRATE NEUROPEPTIDES -
Masler, E.P. 2005. Invertebrate neuropeptides. Encyclopedia of Molecular Cell Biology and Molecular Medicine. 2nd edition. ed. R. A. Meyers. 9:167-181.
INHIBITION AND RESTORATION OF EGG HATCH IN HETERODERA GLYCINES -
AN ALDOLASE GENE FROM THE CYST NEMATODES HETERODERA GLYCINES AND GLOBODERA ROSTOCHIENSIS -
Masler, E.P., Chitwood, D.J., Kovaleva, E.S. 2003. An aldolase gene from the cyst nematodes heterodera glycines and globodera rostochiensis. J. Nematology 35: 352.
A NOVEL MATRIX METALLOPROTEINASE FROM THE SOYBEAN CYST NEMATODE, HETERODERA GLYCINES -
Kovaleva, E. S., Masler, E. P., Skantar, A. M., Chitwood, D. J. 2004. A novel matrix metalloproteinase from the soybean cyst nematode Heterodera glycines. Molecular & Biochemical Parasitology 136: 109-112.
COMPARISON OF ALANINE AMINOPEPTIDASE ACTIVITIES IN HETERODERA GLYCINES AND CAENORHABDITIS ELEGANS -
Masler, E.P. 2004. Comparison of alanine aminopeptidase activites in Heterodera glycines and Caenorhabditis elegans. Nematology 6: 223-229.
HEAT SHOCK PROTEINS 70 IN HETERODERA GLYCINES -
Kovaleva, E.S., Masler, E.P., Sardanelli, S.S., Chitwood, D.J. 2003. Heat shock proteins 70 in heterodera glycines. J. Nematol. 35(3): 348. 2003.
PANAGRELLUS REDIVIVUS AS A MOLECULAR MODEL FOR CYST NEMATODES -
Kovaleva, E.S., Kromina, K.A., Girsova, N.V., Masler, E.P., Dzhavakhiya, V.G., Chitwood, D.J. 2003. Panagrellus redivivus as a molecular model for cyst nematodes. J. Nematol. 35(3): 348. 2003.
METABOLISM OF AN INSECT NEUROPEPTIDE BY THE NEMATODE C. ELEGANS -
IN VITRO METABOLISM OF AN INSECT NEUROPEPTIDE BY HOMOGENATES OF THE NEMATODE CAENORHABDITIS ELEGANS -
Masler, E. P. 2003. In vitro metabolism of an insect neuropeptide by homogenates of the nematode Caenorhabditis elegans. Journal of Helminthology 77: 43-48.
A POLYCLONAL ANTISERUM THAT RECOGNIZES THE MAJOR FEMALE-SPECIFIC PROTEINS, VITELLOGENINS, IN THE SOYBEAN CYST NEMATODE HETERODERA GLYCINES -
Masler, E. P. 2002. A polyclonal antiserum that recognizes the major female-specific proteins, vitellogenins, in the soybean cyst nematode Heterodera glycines. International Journal of Nematology 12: 119-124.
HUMAN PROPROTEIN CONVERTASE 2 HOMOLOGUE FROM A PLANT NEMATODE: CLONING, CHARACTERIZATION AND COMPARISON WITH OTHER SPECIES -
AMINOPEPTIDASE-LIKE ACTIVITIES IN CAENORHABDITIS ELEGANS AND THE SOYBEAN CYST NEMATODE HETERODERA GLYCINES -
CLONING AND CHARACTERIZATION OF CDNA ENCODING THE FIRST PC2-LIKE PROPEPTIDECONVERTASE OF THE PLANT PARASITIC NEMATODE HETERODERA GLYCINES -
CLONING AND CHARACTERIZATION OF PLANT PARASITIC NEMATODE HETERODERA GLYCINES GENES BY USING CAENORHABIDITIS ELEGANS GENOME INFORMATION -
AMINOPEPTIDASES IN CAENORHABDITIS ELEGANS AND PANAGRELLUS REDIVIVUS: DETECTION USING PEPTIDE AND NON-PEPTIDE SUBSTRATES -
Masler, E. P. 2002. Aminopeptidases in Caenorhabditis elegans and Panagrellus redivivus: detection using peptide and non-peptide substrates. Journal of Helminthology 76: 45-52.
AMINOPEPTIDASES IN PARASITIC AND NON-PARASITIC NEMATODES -
DISTRIBUTION OF AMINOPEPTIDASE ACTIVITY IN PREPARATIONS OF THE SOYBEAN CYSTNEMATODE, HETERODERA GLYCINES -
COMPARISON OF FARP IMMUNOREACTIVITY IN FREE-LIVING NEMATODES AND IN THE PLANT-PARASITIC NEMATODE HETERODERA GLYCINES -
RESEARCH ON THE SOYBEAN CYST NEMATODE AT THE NEMATOLOGY LABORATORY OF THE U. S. DEPARTMENT OF AGRICULTURE AT BELTSVILLE, MARYLAND -
DETECTION AND PARTIAL CHARACTERIZATION OF EGG PROTEINS FROM HETERODERA GLYCINES -
FMRFAMIDE-LIKE IMMUNOACTIVITY IN THE SOYBEAN CYST NEMATODE, HETERODERA GLYCINES -
INHIBITION OF LARVAL GROWTH IN THE GYPSY MOTH LYMANTRIA DISPAR BY VENOM FROM THE PARASITIC WASP, MICROBRACON HEBETOR -
SOYBEAN CYST NEMATODE RESEARCH AT THE NEMATOLOGY LABORATORY OF THE U. S. DEPARTMENT OF AGRICULTURE AT BELTSVILLE, MARYLAND -
FMRFAMIDE-LIKE IMMUNOREACTIVITY IN HETERODERA GLYCINES: CHANGES DURING DEVELOPMENT AND COMPARISON WITH CAENORHABDITIS ELEGANS AND PANAGRELLUS REDIVIVUS -
A COMPETITIVE ELISA FOR THE DETECTION AND QUANTIFICATION OF FMRFAMIDE-LIKE PEPTIDES IN FREE-LIVING AND PARASITIC NEMATODES -
REGULATION OF OVARIAN ECDYSTEROID PRODUCTION IN THE HOUSEFLY, MUSCA DOMESTICA -
NEURALLY-DERIVED FACTORS WHICH AFFECT IN VITRO ECDYSTEROID PRODUCTION BY PROTHORACIC GLANDS OF THE GYPSY MOTH, LYMANTRIA DISPAR--POSSIBLE DEVELOPMENTAL REGULATORS -
BROTEOLYTIC ACTIVITY IN LEPIDOPTERANS: POTENTIAL FOR REGULATORY AGENT DEVELOPMENT -
THE DISTRIBUTION OF PBAN (PHEROMONE BIOSYNTHESIS ACTIVATING NEUROPEPTIDE)- LIKE IMMUNOREACTIVITY IN THE NERVOUS SYSTEM OF THE GYPSY MOTH, LYMANTRIA DISPAR -
Last Modified: 8/26/2016
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