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首页> 外文期刊>Acta Horticulturae >Molecular cloning and expression of PdP40, a flower specific class III peroxidase gene in almond
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Molecular cloning and expression of PdP40, a flower specific class III peroxidase gene in almond

机译:PDP40的分子克隆和表达,杏仁中的花比III类过氧化物酶基因

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摘要

A fundamental issue of plant molecular biology is to understand the relationship between dormancy and flowering processes, but it is also of practical interest in agriculture and breeding. Knowing the molecular basis of the control of flowering allowsus to develop efficient selection tools, as molecular markers. To investigate the genes involved in the dormancy breaking of flower buds, a candidate transcript was cloned and its expression was analysed by qPCR in flower buds of two almond [Prunus dulcis) cultivars including 'Desmayo Largueta' (extra-early flowering) and 'Penta' (extra-late flowering). The candidate transcript has been described as a PEROXIDASE 40 gene from a flower specific Class III peroxidase family. The full-length cDNA clone, designated PdP40, was isolated using 3'-RACE strategy with primers from peach [Prunus persica) sequences. Expression results highlight an important increase of transcript levels of this gene before breaking dormancy, in both extra-early and extra-late flowering cultivars assayed. This suggests the important role of this kind of peroxidases in this process, and the possibility to use them as expression markers for predicting dormancy release in the field.
机译:植物分子生物学的基本问题是了解休眠和开花过程之间的关系,但它对农业和繁殖也是实际兴趣。了解开花允许控制的分子基础,开发有效的选择工具,作为分子标记。为了研究参与花蕾的休眠破裂的基因,克隆了候选转录物,并通过QPCR在两个杏仁[Prunus Dulcis)品种的花蕾中分析其表达,包括'Desmayo Largueta'(早期开花)和'Penta '(延迟开花)。候选转录物已被描述为来自花草特异性III类过氧化物酶系列的过氧化物酶40基因。使用3'-race策略分离出PDP40的全长cDNA克隆,使用来自桃[蛋白PESSICA)序列的引物。在早期和超晚开花品种中,表达结果突出了该基因在休眠前的转录水平的重要增加,并在早期和晚期开花品种中测定。这表明在该过程中这种过氧化物酶的重要作用,以及使用它们作为用于预测该领域中休眠释放的表达标记的可能性。

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  • 来源
    《Acta Horticulturae》 |2018年第1229期|共5页
  • 作者单位

    Department of Plant Breeding CEBAS-CSIC P.O. Box 164 30100 Campus Universitario Espinardo Murcia Spain;

    Department of Plant Breeding CEBAS-CSIC P.O. Box 164 30100 Campus Universitario Espinardo Murcia Spain;

    Department of Plant Breeding CEBAS-CSIC P.O. Box 164 30100 Campus Universitario Espinardo Murcia Spain;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 园艺;
  • 关键词

    flowering; Prunus dulcis; peroxidase; cloning; breeding; qPCR;

    机译:开花;蛋白杜松子;过氧化物酶;克隆;繁殖;QPCR;

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