糖类分解代谢酶基因作为安全标记基因，近年来在植物转化中显示了巨大应用潜力。
The genes coding enzymes that catalyze special sugars have showed big practical potency in plant transformation as safe marker genes.
但同细胞核转基因一样，叶绿体转基因也存在抗生素标记的生物安全性和外源基因的过量表达对植物正常生长发育的影响的问题。
But the same as nuclear transformation, plastid transformation also has the problems of bio-safety of antibiotic markers and development obstacles due to the overexpression of foreign gene.
它的核心内容主要包括QTL作图、标记辅助育种、基因组选育、基因工程、遗传转化、生物安全及知识产权问题等。
Its core areas include: QTL mapping or gene discovery, Marker assisted selection, genomic selection, Genetic engineering, Genetic transformation, Issues in Biosafety and Intellectual Property.
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