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ARS Home » Northeast Area » Beltsville, Maryland (BARC) » Beltsville Agricultural Research Center » Mycology and Nematology Genetic Diversity and Biology Laboratory » People & Locations » Margaret Macdonald (Peggy)

Margaret H Macdonald (Peggy)
Mycology and Nematology Genetic Diversity and Biology Laboratory
Biological Science Lab Technician

Phone: (301) 504-5832
Fax: (304) 504-5062
Room 114

10300 BALTIMORE AVE
BLDG 010A
BELTSVILLE , MD 20705

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Activity of vetiver extracts and essential oil against Meloidogyne incognita -
Evaluation of roselle (Hibiscus sabdariffa) leaf and pomegranate (Punica granatum) fruit rind for activity against Meloidogyne incognita Reprint Icon -
Meyer, S.L., Chauhan, K.R., Macdonald, M.H. 2016. Evaluation of roselle (Hibiscus sabdariffa) leaf and pomegranate (Punica granatum) fruit rind for activity against Meloidogyne incognita. Nematropica. 46(1):85-96.
Root transformation of Glycine max with responsive promoters to nematode infection -
Alzohairy, A.M., Macdonald, M.H., Amer, R., Matthews, B.F. 2015. Root transformation of Glycine max with responsive promoters to nematode infection. Egyptian Journal of Genetics and Cytology. 44:149-164.
Ectopic expression of Arabidopsis genes encoding salicylic acid- and jasmonic acid-related proteins confers partial resistance to soybean cyst nematode (Heterodera glycines) in transgenic soybean roots -
Matthews, B.F., Beard, H.S., Brewer, E.P., Kabir, S., Macdonald, M.H., Youssef, R.M. 2014. Ectopic expression of Arabidopsis genes encoding salicylic acid- and jasmonic acid-related proteins confers partial resistance to soybean cyst nematode (Heterodera glycines) in transgenic soybean roots. Biomed Central (BMC) Plant Biology. 14:96.
Manipulation of two alpha-endo-beta-1,4-glucanase genes, AtCel6 and GmCel7, reduces susceptibility to Heterodera glycines in soybean roots -
Woo, M., Beard, H.S., Macdonald, M.H., Brewer, E.P., Youssef, R., Kim, H., Matthews, B.F. 2014. Manipulation of two alpha-endo-beta-1,4-glucanase genes, AtCel6 and GmCel7, reduces susceptibility to Heterodera glycines in soybean roots. Molecular Plant Pathology. DOI:15.10.1111/mpp.12157.
Overexpression of four Arabidopsis thaliana NHLgenes in soybean (Glycine max) roots and their effect over resistance to the soybean cyst nematode (Heterodera glycines) -
Maldonado, A., Macdonald, M.H., Brewer, E.P., Beard, H.S., Youssef, R.M., Matthews, B.F. 2014. Overexpression of four Arabidopsis thaliana NHLgenes in soybean (Glycine max) roots and their effect over resistance to the soybean cyst nematode (Heterodera glycines). Physiological and Molecular Plant Pathology. 86:1-10.
Modification of the expression of two NPR1 suppressors SNC1 and SNI1, in coybean (Glycine max) confers partial resistance to the soybean cyst nematode (Heterodera glycines) -
Maldonado, A., Macdonald, M.H., Youssef, R.M., Brewer, E.P., Beard, H.S., Matthews, B.F. 2014. Modification of the expression of two NPR1 suppressors SNC1 and SNI1, in coybean (Glycine max) confers partial resistance to the soybean cyst nematode (Heterodera glycines). Functional Plant Biology. 41(7):714-726.
Dynamic proteome analysis of roots of soybean compatible and incompatible to Heterodera glycines -
Chen, X., Garrett, W.M., Macdonald, M.H., Khan, F.H., Matthews, B.F., Natarajan, S.S. 2013. Dynamic proteome analysis of roots of soybean compatible and incompatible to Heterodera glycines. Current Protemics. 10:278-291.
Evaluation of protein extraction methods suitable for two-dimensional gel electrophoresis of the soybean cyst nematode (Heterodera glycines) -
Chen, X., Macdonald, M.H., Garrett, W.M., Matthews, B.F., Natarajan, S.S. 2011. Evaluation of protein extraction methods suitable for two-dimensional gel electrophoresis of the soybean cyst nematode (Heterodera glycines). Analytical Biochemistry. 41(2):240-247.
Two-dimensional proteome reference maps for the soybean cyst nematode Heterodera glycines -
Xi, C., Macdonald, M.H., Khan, F.H., Garrett, W.M., Matthews, B.F., Natarajan, S.S. 2011. Two-dimensional proteome reference maps for the soybean cyst nematode Heterodera glycines. Proteomics. 11(24):4742-4746.
Microarray detection calls as a means to compare transcripts within syncytial cells isolated from incompatible and compatible soybean (Glycine max) roots infected by the soybean cyst nematode (Heterodera glycines) -
Klink, V.P., Overall, C.C., Alkharouf, N.W., Macdonald, M.H., Matthews, B.F. 2010. Microarray detection calls as a means to compare transcripts within syncytial cells isolated from incompatible and compatible soybean (Glycine max) roots infected by the soybean cyst nematode (Heterodera glycines). Journal of Biomedicine and Biotechnology. 2010(2010):Article ID 491217 30 pages.
Population-specific gene expression in the pathogenic nematode Hederodera glycines exists prior to infection and during the onset of a resistant or susceptible reaction in the roots of Glycine max. -
Klink, V.P., Hosseini, P., Macdonald, M.H., Alkharouf, N.W., Matthews, B.F. 2009. Population-specific gene expression in the pathogenic nematode Hederodera glycines exists prior to infection and during the onset of a resistant or susceptible reaction in the roots of Glycine max. Biomed Central (BMC) Genomics. 10:111. http://www.biomedcentral.com/1471-2164/10/111.
Protease inhibitor expression in soybean roots exhibiting susceptible and resistance reactions to soybean cyst nematode -
Nahed, R., Macdonald, M.H., Matthews, B.F. 2008. Protease inhibitor expression in soybean roots exhibiting susceptible and resistance reactions to soybean cyst nematode. Journal of Nematology. 40:138-146.
MiniMax, a new diminutive Glycine max genotype with a rapid life cycle, embryonic potential and transformation capabilities -
Klink, V.P., Macdonald, M.H., Martins, V., Park, S., Kim, K., Baek, S., Matthews, B.F. 2007. MiniMax, a new diminutive Glycine max genotype with a rapid life cycle, embryonic potential and transformation capabilities. Plant Cell Tissue And Organ Culture. 92:183-195.
A time-course comparative microarray analysis of an incompatible and compatible response by Glycine max (soybean) to Heterodera glycines (soybean cyst nematode) infection -
Klink, V.P., Overall, C., Macdonald, M.H., Matthews, B.F. 2007. A time-course comparative microarray analysis of an incompatible and compatible response by Glycine max (soybean) to Heterodera glycines (soybean cyst nematode) infection. Planta. 226:1423-1447.
Laser capture microdissection (LCM) and comparative microarray expression analysis of syncytial cells isolated from incompatible and compatible soybean roots infected by soybean cyst nematode (Heterodera glycines) -
Klink, V.P., Overall, C.C., Aklharouf, N.W., Macdonald, M.H., Matthews, B.F. 2007. Laser capture microdissection (LCM) and comparative microarray expression analysis of syncytial cells isolated from incompatible and compatible soybean roots infected by soybean cyst nematode (Heterodera glycines). Planta. 226:1389-1409.
A decline in transcript abundance for Heterodera glycines homolog Caenorhabditis elegans uncoordinated genes accompanies its sedentary parasitic phase. -
Martins, V., Klink, V.P., Alkharouf, N., Macdonald, M.H., Matthews, B.F. 2006. A decline in transcript abundance for Heterodera glycines homolog Caenorhabditis elegans uncoordinated genes accompanies its sedentary parasitic phase.. BioMed Central Developmental Biology. 7(35):1-11.
ISOLATION OF A PATHOGENESIS RELATED GENE (PR GENE) USING LASER CAPTURE MICRODISSECTION OF GLYCINE MAX (SOYBEAN) SYNCYTIA -
Klink, V.P., Macdonald, M.H., Matthews, B.F. 2006. Isolation of a pathogenesis related gene (pr gene) using laser capture microdissection of glycine max (soybean) syncytia [abstract]. BARC Poster Day. Paper No. 24.
EXPRESSION OF SOYBEAN GENES DURING INVASION OF SUSCEPTIBLE ROOTS BY THE SOYBEAN CYST NEMATODE. -
Alkharouf, N., Ben Chouikha, I., Beard, H.S., Macdonald, M.H., Meyer, S.L., Knap, H.T. 2006. Expression of soybean genes during invasion of susceptible roots by the soybean cyst nematode.. Molecular Plant-Microbe Interactions. 224:838-852.
ISOLATION OF GENES USING LASER CAPTURE MICRODISSECTION OF GLYCINE MAX (SOYBEAN) SYNCYTIA FORMED BY THE PLANT PATHOGEN HETERODERA GLYCINES, (SOYBEAN CYST NEMATODE). -
Klink, V.P., Macdonald, M.H., Alkharouf, N., Matthews, B.F. 2005. Isolation of genes using laser capture microdissection of glycine max (soybean) syncytia formed by the plant pathogen heterodera glycines, (soybean cyst nematode) [abstract]. Cambridge Healthtech Institute Laser Capture Microdissection: Cutting Edge Applications. Paper No. 219.
ISOLATION AND CHARACTERIZATION OF THE SOYBEAN CYST NEMATODE (HETERODERA GLYCINES) HOMOLOG OF CAENORHABDITIS ELEGANS UNC-97 GENE. -
Martins, V., Klink, V.P., Alkharouf, N., Macdonald, M.H., Matthews, B.F. 2005. Isolation and characterization of the soybean cyst nematode (heterodera glycines) homolog of caenorhabditis elegans unc-97 gene [abstract]. Mid Atlantic Plant Molecular Biology Society Conference. p. 13. .
ISOLATION OF AN AQUAPORIN (GMPIP2,2) USING LASER CAPTURE MICRODISSECTION OF GLYCINE MAX (SOYBEAN) SYNCYTIA FORMED BY THE PLANT PATHOGEN HETERODERA GLYCINES, (SOYBEAN CYST NEMATODE). -
Klink, V.P., Macdonald, M.H., Alkharouf, N., Matthews, B.F. 2005. Isolation of an aquaporin (gmpip2,2) using laser capture microdissection of glycine max (soybean) syncytia formed by the plant pathogen heterodera glycines, (soybean cyst nematode) [abstract]. BARC Poster Day. Paper No. 17.
LASER CAPTURE MICROSCOPY ISOLATION OF SYNCYTIAL CELLS FROM HETERODERA GLYCINES FEEDING SITES AND EST ANALYSIS -
Klink, V.P., Macdonald, M.H., Alkharouf, N., Matthews, B.F. 2004. Laser capture microscopy isolation of syncytial cells from heterodera glycines feeding sites and est analysis. Meeting Proceedings. Cambridge Healthtech Institute. P.6.
INTERACTIONS BETWEEN DEFENSE SIGNALING PATHWAYS IN SOYBEAN PLANTS. -
Khan, R., Macdonald, M.H., Alkharouf, N., Ben Chouikha, I., Beard, H.S. 2003. Interactions between defense signaling pathways in soybean plants [abstract].. Mid Atlantic Plant Molecular Biology Society Conference. p.31.
MOLECULAR CHARACTERIZATION OF ARGININE KINASES IN THE SOYBEAN CYST NEMATODE (HETERODERA GLYCINES). -
Matthews, B.F., Tucker, M.L., Macdonald, M.H., Thai, V.K. 2003. Molecular characterization of arginine kinases in the soybean cyst nematode (heterodera glycines).. Journal of Nematology. 35:252-258.
MICROARRAY ANALYSIS OF GENE EXPRESSION IN SOYBEAN ROOTS -
GENOMIC EXPRESSION PROFILING IN SOYBEAN PLANTS RESISTANT OR SUSCEPTIBE TO SOYBEAN CYST NEMATODE (SCN). -
MICROARRAY ANALYSIS OF GENE EXPRESSION IN SOYBEAN RESISTANT OR SUSCEPTIBLE TO SOYBEAN CYST NEMATODE -
GENOMIC EXPRESSION PROFILING IN SOYBEAN PLANTS -
MICROARRAY ANALYSIS OF GENE EXPRESSION IN SOYBEAN PLANTS -
GENE EXPRESSION PROFILING IN SOYBEAN PLANTS RESISTANT OR SUSCEPTIBLE TO SOYBEAN CYST NEMATODE (SCN) USING MICROARRAY ANALYSIS. -
EXPRESSION OF GENENS INVOLVED IN THE RESISTANCE OF SOYBEAN TO SCN -
GENOMIC EXPRESSION PROFILING IN SOYBEAN PLANTS RESISTANT OR SUSCEPTIBLE TO SOYBEAN CYST NEMATODE (SCN) -
DETECTION OF A CASCADE OF DIFFERENTIALLY EXPRESSED GENES -
DIFFERENTIALLY EXPRESSED GENES INDUCED IN RESISTANT SOYBEAN PLANTS IN RESPONSE TO SOYBEAN CYST NEMATODE, HEDERODERA GLYCINES, INVASION -
PCR MARKERS RESIDING CLOSE TO THE RHG4 LOCUS CONFERRING RESISTANCE TO SOYBEAN CYST NEMATHODE RACE 3 ON LINKAGE GROUP A OF SOYBEAN -
DIFFERENTIAL GENE EXPRESSION IN RESPONSE TO SOYBEAN CYST NEMATODE, HETERODERA GLYCINES, INFECTION -
RAPID ASSAY OF MOLECULAR MARKERS CLOSELY LINKED TO THE RHG4 LOCUS IMPARTINGRESISTANCE TO SOYBEAN CYST NEMATODE RACE 3 -