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以链霉菌高拷贝质粒pIJ101上一个专一性DNA片段所介导的链霉菌质粒之间的共整合体的形成
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作者 邓子新 T.Kieser D.A.Hopwood 《自然科学进展(国家重点实验室通讯)》 1997年第5期569-576,共8页
在链霉菌高拷贝质粒pIJ101上发现并定位了一段0.6kb的DNA片段。这段DNA可专一性地刺激不同配对的质粒之间共整合体的形成以及在细胞中的累积。形成共整合体的2个质粒之间的亲缘关系可以相近,也可以很远。然而,这段刺激2个质粒分子之间... 在链霉菌高拷贝质粒pIJ101上发现并定位了一段0.6kb的DNA片段。这段DNA可专一性地刺激不同配对的质粒之间共整合体的形成以及在细胞中的累积。形成共整合体的2个质粒之间的亲缘关系可以相近,也可以很远。然而,这段刺激2个质粒分子之间共整合的DNA片段在2个质粒上必须处于互反取向,共整合体才能形成;而处于同一取向时,根本不能发生共整合。已经证明,这个片段的存在和方向极大地影响单链质粒DNA的积累。本文阐述了这个片段刺激质粒形成共整合体的可能机制。 展开更多
关键词 共整合体 pIJ101 链霉菌 质粒
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Integration Level for the Association of Southeast Asian Nations (ASEAN) Economic Community 被引量:2
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作者 Sylvia Cristina Alvarado Navas 《Chinese Business Review》 2016年第2期55-63,共9页
The time has come for the constitution of the Association of Southeast Asian Nations (ASEAN) economic community and many facts have been analyzed regarding this topic. This paper presents the results of the statisti... The time has come for the constitution of the Association of Southeast Asian Nations (ASEAN) economic community and many facts have been analyzed regarding this topic. This paper presents the results of the statistical analysis applied to several economic parameters which firstly show how their integration pattern adjusts with a considerable good fitting to the optimum currency area model and to its extended version by Behrens; and secondly how the 10 members of this group are moving at relatively same speed in spite of their differences, that are also inferred for ranging. 展开更多
关键词 Association of Southeast Asian Nations (ASEAN) regional integration ASEAN members' economicdifferences and similarities currency harmonization optimum currency area (OCA)
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