6.3 细胞分裂素类 cytokinins
DESCRIPTION
6.3 细胞分裂素类 cytokinins. 6.3.1 发现 (Related to tussue culture) 1942 年, Overbeek 发现椰子乳刺激曼 陀萝胚的生长,并刺激离体胡萝卜细胞的增殖。 1954 年, Skoog, Miller 在培养烟草茎髓细胞时发现: 茎髓 + 培养基 +IAA 伸长; 茎髓 + 培养基 +IAA+ 酵母提取液 伸长 + 分裂;. - PowerPoint PPT PresentationTRANSCRIPT
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6.3 cytokinins6.3.1 (Related to tussue culture) 1942Overbeek 1954Skoog, Miller ++IAA ++IAA+ +
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19554DNADNA()DNA N6-Kinetin KT1963Lethamzeatin ZT,KT30
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6.3.2 CTK()(adenine)6296.191tRNA6.19 6.24 26-6-benzyladenine, 6-BA(tetrahydropyranyl benzyladenine , PBA)6.20 CTK()
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6.19 2001)
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6.20 2001
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()CTKZT()CTKCTK6.23()
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6.23 2002a ; (b); (c)
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6.3.3 CTKAMP-5-5-5MVA
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6.21 2001iPP
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6.23 O2iPN66.22
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6.22 iP
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6.3.4 CTK IAA DNAGBG1SSCTK
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CTKIAAGB IAA/CTKIAA/CTK
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4
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CTKCTK()
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6.3.5 mRNARNACrowell199020DNAmRNAmRNA220
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tRNA2060tRNAiPA6.24tRNAiPAtRNAtRNAtRNAiPARNAtRNA
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tRNAiPAtRNAmRNA-tRNAtRNAtRNA(ip-)tRNAiPAtRNAiPAtRNA
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6.24 tRNA