PAC1 Overexpression Improves Multiple Virus Resistance of SoybeanDecember 5, 2018
Scientists from Jilin Academy of Agricultural Sciences in China successfully developed transgenic soybean lines with increased multiple virus resistance. The results are published in Transgenic Research journal.
Xiangdong Yang and colleagues generated genetically modified (GM) soybean lines constitutively expressing the double-strand RNA specific ribonuclease gene PAC1 from Schizosaccharomyces pombe to assess their resistance reactions to multiple soybean-infecting virus strains and isolates. Evaluation of resistance for the span of three years showed that the GM lines had significantly lower levels of disease severity under field conditions and exposed to soybean mosaic virus (SMV) SC3 strain, compared to non-GM lines. Furthermore, exposure to four additional SMV strains and other viruses (bean common mosaic virus, watermelon mosaic virus, and bean pod mottle virus), the GM plants showed less severe symptoms and better resistance compared to non-GM plants.
Based on the findings, PAC1 overexpression can improve multiple virus resistance in soybean.
Read the research article in Transgenic Research.
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