Gene flow from transgenic chinese cabbage (Brassica campestris ssp chinensis var. utilis) to related Cruciferae species through outcrossing
文献类型： 外文期刊
作者： Liu, F 1 ; Zhao, H 2 ; Yao, L 2 ; Zhang, JJ 2 ; Cao, MQ 2 ;
作者机构： 1.Beijing Vegetable Res Ctr, Beijing 100089, Peoples R China
2.Beijing Vegetable Res Ctr, Beijing 100089, Peoples R China; Beijing Agr Biotechnol Ctr, Beijing 100089, Peoples R China
关键词： transgenic Chinese cabbage; cross pollination; Cruciferae species; introgression
期刊名称：ACTA BOTANICA SINICA （ 影响因子：0.599； ）
ISSN： 0577-7496
年卷期： 2003 年 45 卷 6 期
页码：
收录情况： SCI
摘要： It was substantiated by morphological observation, chromosome and DNA identification that the bar gene, conferring the resistance to herbicide basta in transgenic Chinese cabbage ( Brassica campestris ssp. chinensis var. utilis Tsen et Lee), could intrude into the genomes of turnip ( B. campestris ssp. rapifera), heading Chinese cabbage B. campestris ssp. pekinensis) and other non-heading Chinese cabbage ( B. campestris ssp. chinensis in a relatively high frequency while into genome of B. napus at a low frequency via natural cross-pollination in open field. Herbicide resistant hybrids of B. nigra, B. carinata, and B. juncea could be obtained at certain frequency in the greenhouse by hand pollination. At no time did the resistant hybrid plants of transgenic Chinese cabbage with B. oleracea, R. sativus and seven wild weeds, widespread in China, gained in our experiments.
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