• CHAO LIN

      Articles written in Journal of Biosciences

    • Comprehensive transcriptomics and proteomics analyses of rice stripe virus-resistant transgenic rice

      YANG XU LVJIE BI ZIPENG YU CHAO LIN LIMING GAN LIFEI ZHU HAIYANG LI YUNZHI SONG CHANGXIANG ZHU

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      Stable transgenic rice line (named KRSV-1) with strong resistance against rice stripe virus was generated using the genesequence of disease-specific protein by RNA interference. Comprehensive safety assessment of transgenic plants has turnedinto a significant field of genetic modification food safety. In this study, a safety assessment of KRSV-1 was carried out in astepwise approach. The molecular analysis exhibited that KRSV-1 harbored one copy number of transgene, which wasintegrated into the intergenic non-coding region of chromosome 2 associated with inter-chromosomal translocations of 1.6-kb segments of chromosome 8. Then, transcriptomics and proteomics analyses were carried out to detect the unintendedeffects as a result of the integration of the transgene. Although 650 dramatically differentially expressed genes (DDEGs)and 357 differentially expressed proteins were detected between KRSV-1 and wild-type (WT) by transcriptomics andproteomics analyses, no harmful members in the form of toxic proteins and allergens were observed. Encouragingly, thenutritional compositions of seeds from KRSV-1 were comparable with WT seeds. The results of this entire study ofmolecular analysis, transcriptome and proteome profile of KRSV-1 revealed that no detrimental changes in the form of toxicproteins and allergens were detected in the transgenic rice line due to the integration of the transgene.

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