作者
Awadhesh Kumar, Varun Kumar, Veda Krishnan, Alkesh Hada, Ashish Marathe, Monica Jolly, Archana Sachdev
发表日期
2019/5/23
期刊
Scientific reports
卷号
9
期号
1
页码范围
7744
出版商
Nature Publishing Group UK
简介
Phytic acid (PA), the major phosphorus reserve in soybean seeds (60–80%), is a potent ion chelator, causing deficiencies that leads to malnutrition. Several forward and reverse genetics approaches have ever since been explored to reduce its phytate levels to improve the micronutrient and phosphorous availability. Transgenic technology has met with success by suppressing the expression of the PA biosynthesis-related genes in several crops for manipulating their phytate content. In our study, we targeted the disruption of the expression of myo-inositol-3-phosphate synthase (MIPS1), the first and the rate limiting enzyme in PA biosynthesis in soybean seeds, by both antisense (AS) and RNAi approaches, using a seed specific promoter, vicilin. PCR and Southern analysis revealed stable integration of transgene in the advanced progenies. The transgenic seeds (T4) of AS (MS14-28-12-29-3-5) and RNAi (MI51-32 …
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