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CHARACTERIZATION AND EXPRESSION OF POTATO TRIOSEPHOSPHATE ISOMERASE ISOFORMS

机译:马铃薯三磷酸异构酶同种型异构酶的表征及表达

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Triosephosphate isomerase (TPI, EC 5.3.1.1) catalyzes the interconversion of the glycolytic intermediates dihydroxyacetone phosphate (DHAP) and glyceraldehyde-3-phosphate (GAP). TPI activity is ubiquitous in prokaryotes and eukaryotes. In vascular plants, two nuclear-encoded TPIs genes have been described (Xu & Hall 1993, Henze et al 1994, Zhang & Chinnappa 1994). The first corresponds to the plastidic isoform, pTPI, and the second gene encodes the cytosol-localized isoform, cTPI. This latter isoform is found in both photosynthetic and non-photosynthetic tissues (Dorion et al 2004).
机译:Triosephosphate异构酶(TPI,EC 5.3.1.1)催化糖酵解中间体二羟基丙酮磷酸酯(DHAP)和甘油醛-3-磷酸(间隙)的互连。 TPI活性在原核生物和真核生物中普遍存在。在血管植物中,已经描述了两种核编码的TPI基因(1993年XU和Hall 1994,Henze等,Zhang&Chinnappa 1994)。第一对应于塑性同种型,PTPI,第二基因编码细胞溶溶剂局部化同种型CTPI。这两种光合和非光合组织(Dorion等人2004)都存在。

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