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United States Department of Agriculture

Agricultural Research Service

Sui Sheng Tzeng Hua (Sylvia)
Foodborne Toxin Detection and Prevention
Plant Physiologist

Phone: (510) 559-5905
Fax: (510) 559-5777
Room 1119
USDA, ARS, PWA, WRRC-FTDP
800 BUCHANAN STREET
ALBANY, CA, 94710

Projects
Environmental and Ecological Approaches to Eliminate Fungal Contamination and Mycotoxin Production in Plant Products
Appropriated (D)
  Accession Number: 421019
Field Evaluation of Biocontrol Agent and Novel Application of Antimicrobial Edible Film in Postharvest Storage for Reducing Aflatoxin in Food
Specific Cooperative Agreement (S)
  Accession Number: 427592

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
The major volatile compound 2-phenylethanol from the biocontrol yeast, Pichia anomala, inhibits growth and expression of aflatoxin biosynthetic genes of Aspergillus flavus - (Peer Reviewed Journal)
Hua, S.T., Beck, J.J., Sarreal, S.L., Gee, W.S. 2014. Inhibitory effect of volatile compound from biocontrol yeast, Pichia anomala on fungal growth and expression of aflatoxin biosynthetic clustered genes in Aspergillus flavus. Mycotoxin Research. 30:71-78 DOI 10.1007/s12550-014-0189-z.
Increasing strawberry shelf-life with carvacrol and methyl cinnamate antimicrobial vapors released from edible films Reprint Icon - (Peer Reviewed Journal)
Peretto, G., Du, W., Avena Bustillos, R.D., Sarreal, S.L., Hua, S.T., Sambo, P., McHugh, T.H. 2013. Increasing strawberry shelf-life with carvacrol and methyl cinnamate antimicrobial vapors released from edible films. Postharvest Biology and Technology. DOI: 10.1016/j.postharvbio.2013.11.003.
Biocontrol of Aspergillus flavus by Pichia anomala - (Book / Chapter)
Hua, S.T. 2013. Biocontrol of Aspergillus flavus by Pichia anomala. In: Mendez-Vilas, A., editor. Microbial Pathogens and Strategies for Combating Them: Science Technology and Education. Vol. 2. Spain. Formatex Research Center. p 1067-1072.
Liquid formulations sustaining the viability of a superior yeast strain Pichia anomala WRL-076 for mycotoxin control - (Abstract Only)
Hua, S.T., Hernlem, B.J., Yokoyama, W.H., Parfitt, D.E., Sarreal, S.L. 2012. Liquid formulations sustaining the viability of a superior yeast strain Pichia anomala WRL-076 for mycotoxin control. American Society for Microbiology General Meeting. [abstract].
Variation in reactive oxygen species concentration among lettuce types and modulation of their production via PPO during E. coli O157:H7 colonization of injured lettuce leaves(Abstract) - (Abstract Only)
Brandl, M., Hua, S.T., Zhou, Y., Sarreal, S.L. 2012. Variation in reactive oxygen species concentration among lettuce types and modulation of their production via PPO during E. coli O157:H7 colonization of injured lettuce leaves(Abstract). Meeting Abstract. [abstract].
High sensitive and throughput screening of Aflatoxin using MALDI-TOF-TOF-PSD-MS/MS - (Abstract Only)
Hua, S.T., Woo, N., Sultan, O., Fagerquist, C.K. 2012. High sensitive and throughput screening of Aflatoxin using MALDI-TOF-TOF-PSD-MS/MS. Meeting Abstract. [abstract].
Characterization of toxigenic and atoxigenic Aspergillus flavus isolates from pistachio - (Peer Reviewed Journal)
Hua, S.T., Mcalpin, C.E., Chang, P., Sarreal, S.L. 2011. Characterization of toxigenic and atoxigenic Aspergillus flavus isolates from pistachio. Mycotoxin Research. Vol 28:67-75.
Antimicrobial volatile essential oils in edible films for food safety - (Book / Chapter)
Du, W., Avena Bustillos, R.D., Hua, S.T., Mchugh, T.H. 2011. Antimicrobial volatile essential oils in edible films for food safety. In: Science against Microbial Pathogens: Communicating Current Research and Technological Advances. Badajoh, Spain: Formatex. p. 1124-1134.
Novel approach to inhibit the growth of Aspergilus flavus and aflatoxin production by essential oil edible film - (Abstract Only) - (28-Feb-11)
Fluorescent viability stains to probe the metabolic status of aflatoxigenic fungus in dual culture of Aspergillus flavus and Pichia anomala - (Peer Reviewed Journal)
Hua, S.T., Brandl, M., Hernlem, B.J., Eng, J.G., Sarreal, S.L. 2010. Fluorescent viability stains to probe the metabolic status of aflatoxigenic fungus in dual culture of Aspergillus flavus and Pichia anomala. Mycopathologia. Available: http://www.springerlink.com/content/w0204147t65552h8/fulltext.pdf.
Experiments with Biocontrol of Alternaria alternata - (Abstract Only)
Parfitt, D., Hua, S.T., Holtz, B., Chan, H.M., Sarreal, S.L., Martin-Duvall, T., Braga, M. 2010. Experiments with Biocontrol of Alternaria alternata. Meeting Abstract.
Vitality Stains and Real Time PCR Studies to Delineate the Interactions of Pichia anomala and Aspergillus flavus - (Abstract Only)
Hua, S.T., Brandl, M., Hernlem, B.J., Sarreal, S.L. 2010. Vitality Stains and Real Time PCR Studies to Delineate the Interactions of Pichia anomala and Aspergillus flavus. American Society for Microbiology General Meeting, San Diego, CA, May 23-27, 2010.
Dual fluorochrome flow cytometric assessment of yeast viability - (Peer Reviewed Journal)
Hernlem, B.J., Hua, S.T. 2010. Dual fluorochrome flow cytometric assessment of yeast viability. Current Microbiology. 61:57-63.
Biological activity and property of a biopesticide, Pichia anomala - (Abstract Only) - (15-Feb-09)
Influence of Gene Expression on Variable Aflatoxin Production by Different Strains of Aspergillus flavus - (Abstract Only) - (01-Feb-09)
Molecular Technique to Fingerprint Aspergillus flavus Causing Aflatoxin Contamination in Food - (Other)
Hua, S.T. 2009. Molecular Technique to Fingerprint Aspergillus flavus Causing Aflatoxin Contamination in Food. U.S. Pistachio Industry.
Reduction of Aflatoxin in Pistachio Through Biological Control of Aspergillus flavus - (Other)
Hua, S.T. 2009. Reduction of Aflatoxin in Pistachio Through Biological Control of Aspergillus flavus. U.S. Pistachio Industry.
Innoculation of Almond Rootstock with Symbiotic Arbuscular Mycorrhizal Fungi - (Proceedings)
Hua, S.T., Browne, G.T., Ledbetter, C.A. 2008. Innoculation of Almond Rootstock with Symbiotic Arbuscular Mycorrhizal Fungi. Almond Industry 2008 Conference Proceedings. p.91-94.
Innoculation of Almond Rootstock with Symbiotic Arbuscular Mycorrhizal Fungi - (Proceedings)
Hua, S.T., Browne, G.T., Ledbetter, C.A. 2007. Innoculation of Almond Rootstock with Symbiotic Arbuscular Mycorrhizal Fungi. Meeting Proceedings.
Efficacy of Pichia anomala WLR-076 to control aflatoxin on corn in Texas, 2005 - (Other)
Isakeit, T., Betran, F.C., Odvody, .G., Hua, S.T. 2007. Efficacy of Pichia anomala WLR-076 to control aflatoxin on corn in Texas, 2005. Plant Disease Management Reports. 1. Available: http://www.plantmanagementnetwork.org/pub/trial/PDMR/volume1/sections/FC.asp.
Characterization of AFLAV, a Tfl/Sushi retrotransposon from Aspergillus flavus - (Peer Reviewed Journal)
Hua, S.T., Tarun, A.S., Pandey, S.N., Chang, L.Y., Chang, P. 2007. Characterization of AFLAV, a Tfl/Sushi retrotransposon from Aspergillus flavus. Mycopathologia. 163(2):97-104.
Nonaflatoxigenic Aspergillus flavus TX9-8 Competitively Prevents Aflatoxin Production by A. flavus Isolates of Large and Small Sclerotial Morphotypes - (Proceedings)
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.
Molasses Supplementation Promotes Conidiation but Suppresses Aflatoxin Production by Small Sclerotial Aspergillus flavus - (Peer Reviewed Journal)
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.
Environmental Adaptation of Pichia anomala WRS-076 as an Effective Biocontrol Agent for Pre-harvest Application - (Other) - (08-Sep-06)
Nonaflatoxigenic Aspergillus flavus TX9-8 Competitively Prevents Aflatoxin Accumulation by A. flavus Isolates of Large and Small Sclerotial Morphotypes - (Peer Reviewed Journal)
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.
Evaluation of a Biopesticide, Pichia Anomala Wrl-076 to Control Aspergillus Flavus in a Commercial Orchard - (Proceedings)
Hua, S.T., Parfitt, D.E., Brent, H.A. Evaluation of a biopesticide, pichia anomala wrl-076 to control aspergillus flavus in a commercial orchard. Biological Control Symposium Proceedings.
Prevention of Fungal Colonization and Growth on Wounds of Almond Nut-Fruits by a Biocontrol Yeast in Orchard - (Other)
Hua, S.T. 2006. Prevention of fungal colonization and growth on wounds of almond nut-fruits by a biocontrol yeast in orchard. Nickels Soil Laboratory in Cooperation with The University of California, Extension Reports.
Evaluation of a Biopesticide, Pichia Anomala to Control Aspergillus Flavus for Reducing Aflatoxin in Pistachio - (Other)
Hua, S.T. 2006. Evaluation of a biopesticide, pichia anomala to control aspergillus flavus for reducing aflatoxin in pistachio. Extension Reports.
Cladal Relatedness among Aspergillus Oryzae Isolates and Aspergillus Flavus S and L Morphotype Isolates - (Peer Reviewed Journal)
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.
Population of Aspergillus Flavus on Pistachio Buds and Flowers - (Book / Chapter)
Hua, S.T., Mcalpin, C.E., Ly, S.B. 2006. Population of aspergillus flavus on pistachio buds and flowers. In: Mendez-Vilas, A., editor. Modern Multidisciplinary Applied Microbiology: Exploiting Microbes and Their Interactions. Weinheim, Germany:Wiley-VCH Verlag. p.440-445.
Progress in Prevention of Aflatoxin Contamination in Food by Preharvest Application of a Yeast Strain, Pichia Anomala Wrl-076 - (Book / Chapter)
Hua, S. S. 2006. Progress in prevention of aflatoxin contamination in food by preharvest application of a yeast strain, pichia anomala wrl-07. In: Mendez-Vilas, A., editor. Modern Multidisciplinary Applied Microbiology: Exploiting Microbes and Their Interactions. Weinheim, Germany: Wiley-VCH Verlag. p. 323-327.
Biological Control of Aspergillus Flavus by Pichia Anomala - (Abstract Only) - (25-Oct-04)
Comparison of Two Populations of Aspergillus Flavus and Aspergillus Parasiticus Isolated Five Years Apart in a California Orchard - (Abstract Only) - (25-Oct-04)
Characteristics of a Retrotransposon from Aspergillus Flavus - (Abstract Only) - (25-Oct-04)
Effect of Spacing and Timing on the Biocompetitiveness of Atoxigenic Aspergillus Flavus Against Toxigenic Strains - (Abstract Only) - (25-Oct-04)
Prevention of Fungal Colonization on Wounds of Almond and Pistachio Nut-Fruits by Yeast in Orchards - (Abstract Only) - (25-Oct-04)
Identification of Fungal and Yeast Isolates by Analysis of Nuclear Large Subunit(26s) Ribosomal DNA Sequences - (Abstract Only) - (25-Oct-04)
Field Tests of a Biocontrol Yeast in Pistachio Orchards - (Abstract Only) - (25-Oct-04)
Application of a Yeast, Pichia Anomala Strain Wrl-076 to Control Aspergillus Flavus for Reducing Aflatoxin in Pistachio and Almond - (Proceedings)
Hua, S.T. 2005. Application of a yeast, pichia anomala strain WRL-076 to control aspergillus flavus for reducing aflatoxin in pistachio and almond. Proceedings, IOBC.
Field Assessment of An Effective Yeast Strain to Control Aflatoxin-Producing Fungus, Aspergillus Flavus - (Proceedings)
Hua, S.T. 2004. Field assessment of an effective yeast strain to control aflatoxin-producing fungus, aspergillus flavus [abstract]. California Conference of Biological Control. p. 154-157.
Reduction of Aflatoxin in Pistachio Through Biological Control of Aspergillus Flavus - (Other)
Hua, S.T. 2004. Reduction of aflatoxin in pistachio through biological control of aspergillus flavus. Extension Reports. California Pistachio Commision Production Research Reports. p. 212-220.
Biocontrol of Aspergillus Flavus by Saprophytic Yeast: Progress from Laboratory Bioassay to Field Trial - (Abstract Only)
Hua, S.T. 2003. Biocontrol of aspergillus flavus by saprophytic yeast: progress from laboratory bioassay to field trial [abstract]. Aflatoxin Workshop. p. 75.
Application of Yeast in the Field for Biocontrol of Aspergillus Flavus - (Abstract Only)
Parfitt, D.E., Almehdi, A.A., Ly, S.B., Campbell, B.C., Hua, S.T. 2003. Application of yeast in the field for biocontrol of aspergillus flavus [abstract]. Aflatoxin Workshop. p. 81.
Partial Retrotransposon-Like DNA Sequence in the Genomic Clone of Aspergillus Flavus, Paf28 - (Peer Reviewed Journal)
Okubara, P.A., Tibbot, B.K., Tarun, A.S., Mcalpin, C.E., Hua, S.T. Partial retrotransposon-like dna sequence in the genomic clone of aspergillus flavus, PAF28. Mycological Research. v.107. p. 841-846. 2003.
ARS News Articles
Last Modified: 12/17/2014
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