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ARS Home » Southeast Area » New Orleans, Louisiana » Southern Regional Research Center » Food and Feed Safety Research » People & Locations » Qijian Wei (Mei Mei)

Qijian Wei (Mei Mei)
Food and Feed Safety Research
Molecular Biologist

Phone: (504) 286-4394
Fax: (504) 286-4419
Room 2129

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.)
Identification and functional analysis of the aspergillic acid gene cluster in Aspergillus flavus -
Lebar, M.D., Cary, J.W., Majumdar, R., Carter-Wientjes, C.H., Mack, B.M., Wei, Q., Uka, V., De Saeger, S., Diana Di Mavungu, J. 2018. Identification and functional analysis of the aspergillic acid gene cluster in Aspergillus flavus. Fungal Genetics and Biology. 116:14-23.
RNA interference-based silencing of the alpha-amylase (amy1) gene in Aspergillus flavus decreases fungal growth and aflatoxin production in maize kernels -
Gilbert, M.K., Majumdar, R., Rajasekaran, K., Chen, Z.-Y., Wei, Q., Sickler, C.M., Lebar, M.D., Cary, J.W., Frame, B.R., Wang, K. 2018. RNA interference-based silencing of the alpha-amylase (amy1) gene in Aspergillus flavus decreases fungal growth and aflatoxin production in maize kernels. Planta. 247:1465–1473. https://doi.org/10.1007/s00425-018-2875-0.
The Aspergillus flavus homeobox gene, hbx1, is required for development and aflatoxin production -
Cary, J.W., Harris-Coward, P.Y., Scharfenstein, L.L., Mack, B.M., Chang, P.-K., Wei, Q., Lebar, M.D., Carter-Wientjes, C.H., Majumdar, R., Mitra, C., Banerjee, S., Chanda, A. 2017. The Aspergillus flavus homeobox gene, hbx1, is required for development and aflatoxin production. Toxins. 9(10):315. https://doi.org/10.3390/toxins9100315.
The pathogenesis-related maize seed (PRms) gene plays a role in resistance to Aspergillus flavus infection and aflatoxin contamination -
Majumdar, R., Rajasekaran, K., Sickler, C.M., Lebar, M.D., Musungu, B.M., Fakhoury, A.M., Payne, G.A., Geisler, M., Carter-Wientjes, C.H., Wei, Q., Bhatnagar, D., Cary, J.W. 2017. The pathogenesis-related maize seed (PRms) gene plays a role in resistance to Aspergillus flavus infection and aflatoxin contamination. Frontiers in Plant Science. 8:1758. https://doi.org/10.3389/fpls.2017.01758.
Fidelity of a simple Liberty leaf-painting assay to validate transgenic maize plants expressing the selectable marker gene, bar -
Rajasekaran, K., Majumdar, R., Sickler, C.M., Wei, Q., Cary, J.W., Bhatnagar, D. 2017. Fidelity of a simple Liberty leaf-painting assay to validate transgenic maize plants expressing the selectable marker gene, bar. Journal of Crop Improvement. 31(4):628-636. doi:10.1080/15427528.2017.1327913.
RNA sequencing of an nsdC mutant reveals global regulation of secondary metabolic gene clusters in Aspergillus flavus -
Gilbert, M.K., Mack, B.M., Wei, Q., Bland, J.M., Bhatnagar, D., Cary, J.W. 2016. RNA sequencing of an nsdC mutant reveals global regulation of secondary metabolic gene clusters in Aspergillus flavus. Microbiological Research. 182:150-161.
Transcriptome analysis of Aspergillus flavus reveals veA-dependent regulation of secondary metabolite gene clusters, including the novel aflavarin cluster -
Cary, J.W., Han, Z., Yin, Y., Lohmar, J.M., Shantappa, S., Harris-Coward, P.Y., Mack, B.M., Ehrlich, K.C., Wei, Q., Arroyo-Manzanares, N., Uka, V., Vanhaecke, L., Bhatnagar, D., Yu, J., Nierman, W.C., Johns, M., Sorensen, D., Shen, H., De Saeger, S., Diana Di Mavungu, J., Calvo, A.M. 2015. Transcriptome analysis of Aspergillus flavus reveals veA-dependent regulation of secondary metabolite gene clusters, including the novel aflavarin cluster. Eukaryotic Cell. 14(10):983-997. doi: 10.1128/EC.00092-15.
An Aspergillus flavus secondary metabolic gene cluster containing a hybrid PKS-NRPS is necessary for synthesis of the 2-pyridones, leporins -
Cary, J.W., Uka, V., Han, Z., Buyst, D., Harris-Coward, P.Y., Ehrlich, K.C., Wei, Q., Bhatnagar, D., Dowd, P.F., Martens, S., Calvo, A.M., Martins, J.C., Vanhaecke, L., Coenye, T., De Saeger, S., Diana Di Mavungu, J. 2015. An Aspergillus flavus secondary metabolic gene cluster containing a hybrid PKS-NRPS is necessary for synthesis of the 2-pyridones, leporins. Fungal Genetics and Biology. 81:88-97.
RNAi silencing of the 14 kDa trypsin inhibitor protein in maize and its effect on host resistance against Aspergillus flavus infection/aflatoxin production -
Chen, Z.Y., Warburton, M.L., Hawkins, L.K., Wei, Q., Brown, R.L., Bhatnagar, D., Raruang, Y. 2016. Production of the 14 kDa trypsin inhibitor protein is important for maize resistance against Aspergillus flavus infection/aflatoxin. World Mycotoxin Journal. 9(2):215-228.
RNA interference-mediated control of Aspergillus flavus in maize -
RNA-seq analysis of an nsdC mutant in Aspergillus flavus -
Association with AflR in endosomes reveals new functions for AflJ in aflatoxin biosynthesis -
Ehrlich, K., Mack, B.M., Wei, Q., Li, P., Roze, L.V., Dazzo, F., Cary, J.W., Bhatnagar, D., Linz, J.E. 2012. Association with AflR in endosomes reveals new functions for AflJ in aflatoxin biosynthesis. Toxins. 4:1582-1600.
Functional and phylogenetic analysis of the Aspergillus ochraceoroseus aflQ (ordA) gene ortholog -
Cary, J.W., Harris-Coward, P.Y., Ehrlich, K., Moore, G.G., Wei, Q., Bhatnagar, D. 2012. Functional and phylogenetic analysis of the Aspergillus ochraceoroseus aflQ (ordA) gene ortholog . Mycologia. 104(4):857-864.
Effects of laeA deletion on Aspergillus flavus conidial development and hydrophobicity may contribute to loss of aflatoxin production -
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.
Inverse correlation of ability to produce aflatoxin and aspergillus colonization of maize seed -
Ehrlich, K., Wei, Q., Brown, R.L., Bhatnagar, D. 2011. Inverse correlation of ability to produce aflatoxin and aspergillus colonization of maize seed. Food and Nutrition Sciences. 2:486-489.
Increased Sensitivity of Aspergillus flavus and Aspergillus parasiticus Aflatoxin Biosynthesis Polyketide Synthase Mutants to UVB Light -
Ehrlich, K., Wei, Q., Bhatnagar, D. 2010. Increased Sensitivity of Aspergillus flavus and Aspergillus parasiticus Aflatoxin Biosynthesis Polyketide Synthase Mutants to UVB Light. World Mycotoxin Journal. 3(3):263-270.
Development and refinement of a high-efficiency gene-targeting system for Aspergillus flavus -
Chang, P.-K., 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.
Application of microsatellite and RAPD fingerprints in the Florida sugarcane variety program -
Pan, Y.-B., Miller, J.D., Schnell, R.J., Richard Jr, E.P., Wei, Q. 2003. Application of microsatellite and RAPD fingerprints in the Florida sugarcane variety program. Sugar Cane International. March/April 2003:19-28.