Perng Kuang Chang
Food and Feed Safety Research
Molecular Biologist
Phone: (504) 286-4208
Fax: (504) 286-4419
Room 2104 1100 ROBERT E. LEE BLVD.
BLDG 001 SRRC NEW ORLEANS, LA, 70124
Chang, P., Ehrlich, K. 2013. Genome-wide analysis of the Zn(II)2Cys6 zinc cluster-encoding gene family in Aspergillus flavus. Applied Microbiology and Biotechnology. 97(10):4289-4300.
Kim, J.H., Chang, P., Chan, K.L., Faria, N.G., Mahoney, N.E., Kim, Y., Martins, M.L., Campbell, B.C. 2012. Enhancement of activity of commercial antifungal agents by kojic acid. International Journal of Molecular Sciences. 13:13867-13880. DOI:10.3390/ijms131113867.
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.
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.
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.
Ehrlich, K., Chang, P.-K., Yu, J., Cary, J.W., Bhatnagar, D. 2011. Control of aflatoxin biosynthesis in Aspergilli. In: Guevara-Gonzalez, R.G., editor. Aflatoxins - Biochemistry and Molecular Biology. Rijeka, Croatia: Intech Open Access Publishers. pp 21-40.
Ehrlich, K., Chang, P.-K., Bhatnagar, D. 2011. Mycotoxins. Encyclopedia of Life Sciences. John Wiley & Sons Ltd, Chichester. http://www.els.net [DOI:10.1002/9780470015902.a0000373.pub2].
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.
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.
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.
Chang, P-K., Ehrlich, K. 2010. What Does Genetic Diversity of Aspergillus flavus Tell Us About Aspergillus oryzae? International Journal of Food Microbiology. 138(3):189-199.
Chang, P-K. 2010. Aflatoxin Biosynthesis and Sclerotial Development in Aspergillus flavus and Aspergillus parasiticus. In M. Rai and A. Varma (eds), Mycotoxins in Food, Feed and Bioweapons. Springer-Verlag Berlin Heidelberg. p 77-92.
Chang, P.-K., Horn, B.W., Dorner, J.W. 2009. Clustered Genes Involved in Cyclopiazonic Acid Production are Next to the Aflatoxin Biosynthesis Gene Cluster in Aspergillus flavus. Fungal Genetics and Biology. 46:176-182.
Chang, P.-K. 2008. Aspergillus parasiticus crzA, Which Encodes Calcineurin Response Zinc-Finger Protein, Is Required for Aflatoxin Production under Calcium Stress. International Journal of Molecular Sciences. 9:2027-2043.
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.
Chang, P., Wilkinson, J.R., Horn, B.W., Yu, J., Bhatnagar, D., Cleveland, T.E. 2007. Genes Differentially Expressed by Aspergillus flavus Strains After Loss of Aflatoxin Production by Serial Transfers. Multicrop Aflatoxin and Fumonisin Elimination and Fungal Genomics Workshop-The Peanut Foundation, Atlanta, GA. p. 34.
Chang, P., Wilkinson, J.R., Horn, B.W., Yu, J., Bhatnagar, D., Cleveland, T.E. 2007. Genes differentially expressed by Aspergillus flavus strains after loss of aflatoxin production by serial transfers. Applied Microbiology and Biotechnology. 77:917-925.
Chang, P.-K., Matsushima, K., Takahashi, T., Yu, J., Abe, K., Bhatnagar, D., Yuan, G., Koyama, Y., Cleveland, T.E. 2007. Understanding nonaflatoxigenicity of Aspergillus sojae: a windfall of aflatoxin biosynthesis research. Applied Microbiology and Biotechnology. 76:977-984.
Chang, P., Hua, S.T. 2007. Nonaflatoxigenic Aspergillus flavus TX9-8 competitively prevents aflatoxin production by A. flavus isolates of large and small sclerotial morphotypes. In: Proceedings of the 19th Annual Multi-Crop Aflatoxin Elimination Workshop, October 16-20, 2006, Fort Worth, Texas. p. 84.
Chang, P.-K., Hua, S.T. 2007. Molasses Supplementation Promotes Conidiation but Suppresses Aflatoxin Production by Small Sclerotial Aspergillus flavus. Letters in Applied Microbiology. 44(2):131-137.
Chang, P.-K., Hua, S.S.T. 2007. Nonaflatoxigenic Aspergillus flavus TX9-8 Competitively Prevents Aflatoxin Accumulation by A. flavus Isolates of Large and Small Sclerotial Morphotypes. International Journal of Food Microbiology. 114:275-279.
Chang, P.-K., Ehrlich, K., Hua, S.T. 2006. Cladal relatedness among Aspergillus oryzae isolates and Aspergillus flavus S and L morphotype isolates. International Journal of Food Microbiology. 108:172-177.
Chang, P.-K., Horn, B.W., Dorner, J.W. 2005. Sequence Breakpoints in the Aflatoxin Biosynthesis Gene Cluster and Flanking Regions in Nonaflatoxigenic Aspergillus flavus Isolates. Fungal Genetics and Biology. 42(11):914-923.
Chang, P.-K., Horn, B.W., Dorner, J.W. 2005. Determination of chromosomal breakpoints in the aflatoxin biosynthesis gene cluster of nonaflatoxigenic Aspergillus flavus isolates. XIthe International Congress of Mycology Proceedings and Abstracts. p. 10.
Chang, P., Horn, B.W., Dorner, J.W. 2005. Characterization of deletions in the aflatoxin biosynthetic gene cluster of nonaflatoxigenic Aspergillus flavus isolates [abstract]. 105th General Meeting of the American Society for Microbiology, June 5-9, 2005, Atlanta, Georgia. p. 152.
Chang, P.-K., Horn, B.W., Dorner, J.W. 2005. Deletions in the aflatoxin biosynthetic gene cluster of nonaflatoxigenic and cyclopiazonic acid-nonprodicing Aspergillus flavus isolates. In: Proceedings of 2004 Multicrop Aflatoxin and Fumonisin Elimination and Fungal Genomics Workshop, October 25-28, 2004, Sacramento, CA. p. 79.
Wilson, R.A., Calvo, A.M., Chang, P.-K., Keller, N.P. 2004. Characterization of the Aspergillus parasiticus delta 12-desaturase gene: A role for lipid metabolism in the aspergillus-seed interaction. Microbiology. 150:2881-2888.
Chang, P.-K., Yu, J., Yu, J.-H. 2004. aflT, a MFS transporter-encoding gene located in the aflatoxin gene cluster, does not have a significant role in aflatoxin secretion. Fungal Genetics and Biology. 41:911-920.
Chang, P.-K., Wilson, R.A., Keller, N.P., Cleveland, T.E. 2004. Deletion of the delta 12-oleic acid desaturase gene of a non-aflatoxigenic Aspergillus parasiticus field isolate affects conidiation and sclerotial development. Journal of Applied Microbiology. 97:1178-1184.
Cleveland, T.E., Yu, J., Bhatnagar, D., Chen, Z.-Y., Brown, R.L., Chang, P.-K., Cary, J.W. 2005. Progress in Elucidating the Molecular Basis of the Host Plant-Aspergillus flavus Interaction: A Basis for Devising Strategies to Reduce Aflatoxin Contamination in Crops. In: Abbas, H.K., editor. Aflatoxin and Food Safety. Boca Raton, FL: Taylor & Francis. p. 167-193.
Chang, P.-K., Yabe, K., Yu, J. 2004. Conversion of versiconal hemiacetal acetate to versiconal and versiconol acetate to versiconol by Aspergillus parasiticus estA-encoded esterase during aflatoxin biosynthesis [abstract]. Annual Meeting of American Society for Microbiology, New Orleans, Louisiana.
Wilson, R.A., Chang, P.-K, Dobrzyn, A., Ntambi, J.M., Zarnowski, R., Keller, N.P. 2004. Two delta 9-stearic acid desaturases are required for Aspergillus nidulans growth and development. Fungal Genetics and Biology. 41:501-509.
Chang, P.-K. 2004. Lack of interaction between AFLR and AFLJ contributes to nonaflatoxigenicity of Aspergillus sojae. Journal of Biotechnology. 107:245-253.
Yu, J., Chang, P.-K., Ehrlich, K., Cary, J.W., Bhatnagar, D., Cleveland, T.E. 2003. Characterization of the complete aflatoxin pathway gene cluster in Aspergillus parasiticus. Proceedings of USDA-ARS Aflatoxin/Fumonisin Elimination and Fungal Genomics Workshop, October 13-15, 2003, Savannah, Georgia.
Cleveland, T.E., Yu, J., Bhatnagar, D., Chen, Z.-Y., Brown, R.L., Chang, P.-K., Cary, J.W. 2004. Elucidation of the molecular basis of the host plant-Aspergillus flavus interaction, a basis for devising strategies to reduce aflatoxin contamination in crops. In: Shier, W.T., Tu, A.T., Yu, C., Abbas, H.K., editors. Journal of Toxicology - Toxin Reviews. New York, NY: Marcel Dekker, Inc. 23(2,3):345-380.
Chang, P.-K., Yabe, K., Yu, J. 2004. The Aspergillus parasiticus estA-encoded esterase converts versiconal hemiacetal acetate to versiconal and versiconol acetate to versiconol in Aflatoxin Biosynthesis. Applied and Environmental Microbiology. 70(6):3593-3599.
Chang, P. 2003. Aspergillus parasiticus aflj interacts with aflr and regulates transcription of aflatoxin biosynthetic pathway genes [abstract]. XXII Fungal Genetics Conference, March 13-18, 2003, Pacific Grove, Californa. p. 33.
Chang, P.-K. 2003. The Aspergillus parasiticus protein AFLJ interacts with the aflatoxin pathway-specific regulator AFLR. Molecular Genetics and Genomics. 268:711-719.
YU, J., CHANG, P., BHATNAGAR, D., CLEVELAND, T.E. CLONING AND FUNCTIONAL EXPRESSION OF AN ESTERASE GENE IN ASPERGILLUS PARASITICUS. MYCOPATHOLOGIA. 2003. V. 156(3). P. 227-234.