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Cloning and characterization of two novel purple pepper genes (CHS and F3H)

机译:两个新的紫色胡椒基因(CHS和F3H)的克隆和鉴定

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The complete coding sequences (CDS) of “Yunnan Purple Pepper No.1”?(Capsicum annuum?L.)?CHS?and?F3H?genes were amplified using the reverse transcriptase polymerase chain reaction based on the conserved sequence information of?someSolanaceae plants and known highly homologous pepper ESTs. The nucleotide sequences?analysis of these two genes revealed that pepper?CHS?gene encodes a protein of 402 amino acids?that?has high homology with the?CHS-like?protein of six species:?Nicotiana?tabacum?(92%),?Rhododendron simsii?(91%),?Petunia?×?hybrida(91%),?Solanum tuberosum?(90%),?Vitis vinifera?(90%)?and?Camellia chekiangoleosa(92%). Sequence analysis of the second gene revealed that the pepper?F3H?encodes a protein of 365 amino acids that has high homology with the proteins of eight species:?N.?tabacum?(89%),?Petunia x hybrida?(88%),?S.?tuberosum?(87%),?Solanum lycopersicum?(88%),?Litchi chinensis?(82%),?Actinidia chinensis?(81%),?Citrusmaxima?(81%)?and?V.?vinifera?(82%). The tissue expression analysis indicated that the pepper?CHS?gene was over-expressed in pericarp, moderately in stem and flower, weakly in leaf and placenta, and hardly expressed in root and seed.?The pepper?F3H?gene was over-expressed in pericarp;?weakly in leaf,?flower and seed, and hardly expressed in root, stem and placenta. Our experiment established the primary foundation for further research on these two pepper genes.
机译:根据某茄科的保守序列信息,利用逆转录酶聚合酶链反应扩增了“云南紫椒”(辣椒)“ CHS”和“ F3H”基因的完整编码序列(CDS)。植物和已知高度同源的胡椒EST。这两个基因的核苷酸序列分析表明,辣椒的CHS基因编码一种具有402个氨基酸的蛋白质,与六种烟草的CHS样蛋白质具有高度同源性:烟草(烟草)(92%) ,杜鹃花(91%),矮牵牛(Petunia)×杂交种(91%),马铃薯(Solanum tuberosum)(90%),葡萄(Vitis vinifera)(90%)和山茶(Camellia chekiangoleosa)(92%)。对第二个基因的序列分析表明,辣椒“ F3H”编码一个具有365个氨基酸的蛋白质,该蛋白质与八种植物的蛋白质具有高度同源性:“烟草”(89%),“矮牵牛(Petunia x hybrida)”(88%)。 ),马铃薯(87%),番茄(Solanum lycopersicum)(88%),荔枝(Litchi chinensis)(82%),中华猕猴桃(Actinidia chinensis)(81%),柑桔(Citrusmaxima)(81%)和? V.?vinifera?(82%)。组织表达分析表明,辣椒?CHS?基因在果皮中过表达,在茎和花中中等表达,在叶和胎盘中较弱,在根和种子中几乎不表达。在果皮中;在叶,花和种子中弱,在根,茎和胎盘中几乎不表达。我们的实验为进一步研究这两个辣椒基因奠定了基础。

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