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United States Department of Agriculture

Agricultural Research Service

Related Topics

Leslie L Scharfenstein (Les)
Food and Feed Safety Research
Molecular Biologist

Phone: (504) 286-4374
Fax: (504) 286-4419
Room 2104
1100 ROBERT E. LEE BLVD.
BLDG 001 SRRC
NEW ORLEANS, LA, 70124


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Aspergillus flavus Blast2GO gene ontology database: elevated growth temperature alters amino acid metabolism - (Peer Reviewed Journal) - (09-Oct-14)
Lack of aflatoxin production by Aspergillus flavus is associated with reduced fungal growth and delayed expression of aflatoxin pathway genes - (Peer Reviewed Journal) - (28-Aug-14)
Peanut resistant gene expression in response to Aspergillus flavus infection during seed germination - (Peer Reviewed Journal) - (04-Aug-14)
Transcriptomic profiles of Aspergillus flavus CA42, a strain that produces small sclerotia, by decanal treatment and after recovery - (Peer Reviewed Journal)
Chang, P.-K., Scharfenstein, L.L., Mack, B.M., Yu, J., Ehrlich, K. 2014. Transcriptomic profiles of Aspergillus flavus CA42, a strain that produces small sclerotia, by decanal treatment and after recovery. Fungal Genetics and Biology. 68:39-47.
Aspergillus flavus VelB acts distinctly from VeA in conidiation and may coordinate with FluG to modulate sclerotial production - (Peer Reviewed Journal)
Chang, P-K., Scharfenstein, L.L., Li, P., Ehrlich, K. 2013. Aspergillus flavus VelB acts distinctly from VeA in conidiation and may coordinate with FluG to modulate sclerotial production. Fungal Genetics and Biology. 58-59:71-79.
Deletion of the Aspergillus flavus orthologue of A. nidulans fluG reduces conidiation and promotes production of sclerotia but does not abolish aflatoxin biosynthesis - (Peer Reviewed Journal)
Chang, P-K., Scharfenstein, L.L., Mack, B.M., Ehrlich, K. 2012. Deletion of the Aspergillus flavus orthologue of A. nidulans fluG reduces conidiation and promotes production of sclerotia but does not abolish aflatoxin biosynthesis. Applied and Environmental Microbiology. 78(21):7557-7563.
Identification of genetic defects in the atoxigenic biocontrol strain Aspergillus flavus K49 reveals the presence of a competitive recombinant group in field populations - (Peer Reviewed Journal)
Chang, P., Abbas, H.K., Weaver, M.A., Ehrlich, K., Scharfenstein, L.L., Cotty, P.J. 2012. Identification of genetic defects in the atoxigenic biocontrol strain Aspergillus flavus K49 reveals the presence of a competitive recombinant group in field populations. International Journal of Food Microbiology. 154:192-196.
Effects of laeA deletion on Aspergillus flavus conidial development and hydrophobicity may contribute to loss of aflatoxin production - (Peer Reviewed Journal)
Chang, P.-K., Scharfenstein, L.L., Ehrlich, K., Wei, Q., Bhatnagar, D., Ingber, B.F. 2012. Effects of laeA deletion on Aspergillus flavus conidial development and hydrophobicity may contribute to loss of aflatoxin production. Fungal Biology. 116:298-307.
Loss of msnA a putative stress regulatory gene in Aspergillus parasiticus and Aspergillus flavus increased production of conidia aflatoxins and kojic acid - (Peer Reviewed Journal)
Chang, P.-K., Scharfenstein, L.L., Luo, M., Mahoney, N.E., Molyneux, R.J., Yu, J., Brown, R.L., Campbell, B.C. 2010. Loss of msnA, a putative stress regulatory gene, in Aspergillus parasiticus and Aspergillus flavus increased production of conidia, aflatoxins and kojic acid. Toxins. 3:82-104.
HypC is the anthrone oxidase involved in aflatoxin biosynthesis - (Peer Reviewed Journal)
Ehrlich, K., Li, P., Scharfenstein, L.L., Chang, P. 2010. HypC, is the anthrone oxidase involved in aflatoxin biosynthesis. Applied and Environmental Microbiology. 76(10):3374-3377.
Development and Refinement of a High-Efficiency Gene-Targeting System for Aspergillus flavus - (Peer Reviewed Journal)
Chang, P., Scharfenstein, L.L., Wei, Q., Bhatnagar, D. 2010. Development and Refinement of a High-Efficiency Gene-Targeting System for Aspergillus flavus. Journal of Microbiological Methods. 81:240-246.
Absence of the Aflatoxin Biosynthesis Gene, norA, allows accumulation of deoxyaflatoxin B1 in Aspergillus flavus cultures - (Peer Reviewed Journal)
Ehrlich, K., Chang, P., Scharfenstein, L.L., Cary, J.W., Crawford, J.M., Townsend, C.A. 2010. Absence of the Aflatoxin Biosynthesis Gene, norA, allows accumulation of deoxyaflatoxin B1 in Aspergillus flavus cultures. FEMS Microbiology Letters. 305:65-70.
Are the Genes nadA and norB Involved in Formation of Aflatoxin G1 - (Peer Reviewed Journal)
Ehrlich, K., Scharfenstein, L.L., Montalbano, B.G., Chang, P. 2008. Are the Genes nadA and norB Involved in Formation of Aflatoxin G1. International Journal of Molecular Sciences. 9:1717-1729.
Last Modified: 10/21/2014
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