种尚 meaning in English

tanenao

However , this protein ca n ' t meet people ' s dem - - ands because of lacking of resources . therefore , in this paper , the recombinant plant expression vector pbii2i - th was constructed successfully and introduced into agrobaterium tumefaciens lba4404 . subsequently thaumatin gene was transformed to tobacco through agrobaterium - mediated system
然而该蛋白的来源植物只产于西非thaumatococcusdanielli的果实中，该植物对生活环境要求苛刻，在世界各地的引种尚不成功，不能满足人们对甜蛋白thaumatin的大量需求。