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摘要通过RNAi策略转化小麦，以降低小麦种子中直链淀粉的含量。小麦中直链淀粉合成的关键酶是颗粒结合型淀粉合成酶(Granule-bound starch synthase I ，GBSSI)，通过RT-PCR方法从小麦种子中分离出Waxy基因。Southern杂交分析表明，在基因组中存在3个Waxy基因。Northern杂交分析显示出在授粉后的小麦种子中检测到Waxy mRNA。利用RNA沉默策略...
Eocene and Oligocene Otay-Type Waxy Bentonites of San Diego County and Baja California: Chemistry, Mineralogy, Petrology and Plate Tectonic Implications
Chemistry Mineralogy Otay Bentonite Plate Tectonics Volcanism Waxy Bentonite
1999/12/1
Abstract: Otay-type waxy bentonites of San Diego County are illite-smectite (I-S) with 85% dioctahedral smectite mixed with dioctahedral illite showing a Reichweite of 0. Primary or secondary waxy ben...