EVALUATION OF DEOXYNIVALENOL PRODUCTION IN DSRNA CARRYING AND CURED FUSARIUM GRAMINEARUM ISOLATES BY AYT1 EXPRESSING TRANSFORMED TOBACCO

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SHAHBAZI SAMIRA; SAFAEI NASER; MOUSAVI AMIR; SANJARIAN FOROUGH; KARIMI MAHSAN

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Journal: BIOLOGICAL JOURNAL OF MICROORGANISM Year:2015 | Volume:4 | Issue:15 Page(s): 45-54

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Title

EVALUATION OF DEOXYNIVALENOL PRODUCTION IN DSRNA CARRYING AND CURED FUSARIUM GRAMINEARUM ISOLATES BY AYT1 EXPRESSING TRANSFORMED TOBACCO

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Keywords

FUSARIUM HEAD BLIGHTQ3

DETOXIFICATIONQ2

DEOXYNIVALENOLQ1

SCAYT1Q2

DSRNAQ2

Abstract

Introduction: FUSARIUM HEAD BLIGHT (FHB), is the most destructive disease of wheat, producing the mycotoxin DEOXYNIVALENOL, a protein synthesis inhibitor, which is harmful to humans and livestock. DSRNAmycoviruses-infected-isolates of Fusariumgraminearum, showed changes in morphological and pathogenicity phenotypes including reduced virulence towards wheat and decreased production of trichothecene mycotoxin (deoxynivalenol: DON).Materials and methods: Previous studies indicated that over expression of yeast acetyl transferase gene (ScAYT1) encoding a 3-O trichothecene acetyl transferase that converts DEOXYNIVALENOL to a less toxic acetylated form, leads to suppression of the DEOXYNIVALENOL sensitivity in pdr5 yeast mutants. To identify whether SCAYT1 over-expression in transgenic tobacco plants can deal with mycotoxin (deoxynivalenol) in fungal extract and studying the effect of DSRNA contamination on DETOXIFICATION and resistance level, we have treated T1 AYT1 transgenic tobacco seedlings with complete extraction of normal F. graminearum isolate carrying DSRNA metabolites. First, we introduced AYT1into the model tobacco plants through Agrobacterium-mediated transformation in an attempt to detoxify DEOXYNIVALENOL.Results: In vitro tests with extraction of DSRNA carrying and cured isolates of F. graminearum and 10 ppm of DEOXYNIVALENOL indicated variable resistance levels in transgenic plants.Discussion and conclusion: The results of this study indicate that the transgene expression AYT1 and Fusarium infection to DSRNA can induce tolerance to DEOXYNIVALENOL, followed by increased resistance to FUSARIUM HEAD BLIGHT disease of wheat.

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APA: Copy

SHAHBAZI, SAMIRA, SAFAEI, NASER, MOUSAVI, AMIR, SANJARIAN, FOROUGH, & KARIMI, MAHSAN. (2015). EVALUATION OF DEOXYNIVALENOL PRODUCTION IN DSRNA CARRYING AND CURED FUSARIUM GRAMINEARUM ISOLATES BY AYT1 EXPRESSING TRANSFORMED TOBACCO. BIOLOGICAL JOURNAL OF MICROORGANISM, 4(15), 45-54. SID. https://sid.ir/paper/237395/en

Vancouver: Copy

SHAHBAZI SAMIRA, SAFAEI NASER, MOUSAVI AMIR, SANJARIAN FOROUGH, KARIMI MAHSAN. EVALUATION OF DEOXYNIVALENOL PRODUCTION IN DSRNA CARRYING AND CURED FUSARIUM GRAMINEARUM ISOLATES BY AYT1 EXPRESSING TRANSFORMED TOBACCO. BIOLOGICAL JOURNAL OF MICROORGANISM[Internet]. 2015;4(15):45-54. Available from: https://sid.ir/paper/237395/en

IEEE: Copy

SAMIRA SHAHBAZI, NASER SAFAEI, AMIR MOUSAVI, FOROUGH SANJARIAN, and MAHSAN KARIMI, “EVALUATION OF DEOXYNIVALENOL PRODUCTION IN DSRNA CARRYING AND CURED FUSARIUM GRAMINEARUM ISOLATES BY AYT1 EXPRESSING TRANSFORMED TOBACCO,” BIOLOGICAL JOURNAL OF MICROORGANISM, vol. 4, no. 15, pp. 45–54, 2015, [Online]. Available: https://sid.ir/paper/237395/en

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