Molecular cloning of genes related to fruit softening and their expression in melon fruit

果实软化相关基因的分子克隆及其在甜瓜果实中的表达

基本信息

  • 批准号:
    09660029
  • 负责人:
  • 金额:
    $ 2.05万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
  • 财政年份:
    1997
  • 资助国家:
    日本
  • 起止时间:
    1997 至 1998
  • 项目状态:
    已结题

项目摘要

Recently, the genetic manipulation of plants has tremendously advanced. The study of the mechanism of fruit ripening and softening at molecular level, will result directly to the development of transgenetic plants that have a longer self-life. In this study, we cloned genes encoding cellulase and polygalacturonase which have been known to modify cellulose and pectin substances respectively. We obtained six divergent clones which encode cellulase in melon fruit. The expression analysis indicated that those genes were divided into two groups. The first group is expressed in young and expanding fruit, suggesting a physiological role in cell growth, and other group is expressed constitutively and contains membrane spanning domain. Surprisingly, a cellulase gene expressed specifically in fruit that is undergoing ripening was not obtained from melon fruit. During the course of this study, polygalacutoronase gene of melon was reported by researchers in USA.We therefore turned to clone polygaracturonase genes from cucumber, that belongs to Cucumis family as same as melon, and from persimmon fruit that undergo an intensive and. rapid softening during fruit ripening. As for the results, one length polygalacturonase. gene was obtained from cucumber fruit. Expression analysis showed that the accumulation of the mRNA was induced with progress of fruit softening, by water stress or by exogenous ethylene. On the other hands the expression was inhibited by the pretreatment with 1-MCP, a strong inhibitor of ethylene action. The results suggest that the polygalacturonase gene is responsible for fruit softening induced by stress-ethylene.
最近,植物的基因操作有了巨大的进步。从分子水平上研究果实成熟软化的机制,将直接导致转基因植物的发展,具有更长的自我生活。在这项研究中,我们克隆了编码纤维素酶和多聚半乳糖醛酸酶的基因,这两种酶分别被认为可以修饰纤维素和果胶物质。我们获得了6个编码甜瓜果实纤维素酶的趋异克隆。表达分析表明,这些基因分为两组。第一组在幼果和膨大果实中表达,表明在细胞生长中的生理作用,另一组组成型表达并含有跨膜结构域。令人惊讶的是,在正在经历成熟的果实中特异性表达的纤维素酶基因不是从甜瓜果实中获得的。在本研究过程中,美国研究人员报道了甜瓜的聚半乳糖醛酸酶基因,因此我们转而从与甜瓜同属黄瓜科的黄瓜和经过强化处理的柿果实中克隆聚半乳糖醛酸酶基因。在果实成熟过程中迅速软化。从结果来看,一个长度的多聚半乳糖醛酸酶。基因是从黄瓜果实中获得的。表达分析表明,随着果实软化的进行、水分胁迫或外源乙烯诱导mRNA的积累。另一方面,表达被抑制的预处理与1-MCP,乙烯作用的强抑制剂。结果表明,多聚半乳糖醛酸酶基因与乙烯胁迫诱导的果实软化有关。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
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专利数量(0)
Kubo Y.et al.: "Expression of water stress-induced polygalacturonase gene expression in cucumber fruit." Symp.Postharvest Hort.Abst.1. 25 (1998)
Kubo Y.等人:“黄瓜果实中水分胁迫诱导的多聚半乳糖醛酸酶基因的表达。”
  • DOI:
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  • 影响因子:
    0
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  • 通讯作者:
Kubo Y.et al.: "Multiple endo-1,4-beta-glucanase are expressed during melon fruit development and ripening." XXV Int.Hort.Con.Abst.1. 243 (1998)
Kubo Y.等人:“多种内切1,4-β-葡聚糖酶在甜瓜果实发育和成熟过程中表达。”
  • DOI:
  • 发表时间:
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  • 影响因子:
    0
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  • 通讯作者:
Kubo Y.et al.: "Multiple endo-1,4-β-glucanases are expressed diering melon fruit development and ripening." XXV International Haticultural Cengress Abs.1. 243-243 (1998)
Kubo Y. 等人:“多种内切 1,4-β-葡聚糖酶在甜瓜果实发育和成熟过程中表达。”XXV International Haticulture Cengress Abs.1 (1998)。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
Kubo Y.et al.: "Multiple endo-1,4-β-glucanases are expressed during melon fruit development and ripening." XXV International Horticultural Congress Abs.1. 243-243 (1998)
Kubo Y. 等人:“多种内切 1,4-β-葡聚糖酶在甜瓜果实发育和成熟过程中表达。”XXV 国际园艺大会 Abs.1 (1998)。
  • DOI:
  • 发表时间:
  • 期刊:
  • 影响因子:
    0
  • 作者:
  • 通讯作者:
Kubo Y.et al.: "Expression of a water stress-induced polygalacturonase gene expression in harvested cucumber fruit." Symposium on Fost harvest Horticulture Abst.1. 25-25 (1998)
Kubo Y.等人:“水分胁迫诱导的多聚半乳糖醛酸酶基因在收获的黄瓜果实中的表达。”
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KUBO Yasutaka其他文献

KUBO Yasutaka的其他文献

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{{ truncateString('KUBO Yasutaka', 18)}}的其他基金

New Frontier in fruit physiology - Ethylene independent fruit ripening by low-temperature exposure
水果生理学的新前沿 - 通过低温暴露实现不依赖乙烯的水果成熟
  • 批准号:
    16H04873
  • 财政年份:
    2016
  • 资助金额:
    $ 2.05万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Analysis of novel mechanism in fruit ripening and leaf senescence induced by low-temperature exposure
低温诱导果实成熟和叶片衰老的新机制分析
  • 批准号:
    25660027
  • 财政年份:
    2013
  • 资助金额:
    $ 2.05万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
Functional analysis and its application of transcription factors responsible for fruit ripening using array technique, transgenic and TILLING technologies
阵列技术、转基因和TILLING技术对果实成熟转录因子的功能分析及其应用
  • 批准号:
    24380023
  • 财政年份:
    2012
  • 资助金额:
    $ 2.05万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Analysis of key factor in fruit ripening using DNA array, ripening-impaired mutant and transgenic tomato
利用DNA芯片、成熟受损突变体和转基因番茄分析果实成熟的关键因素
  • 批准号:
    20380022
  • 财政年份:
    2008
  • 资助金额:
    $ 2.05万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Identification of key factor fur cell wall disassembly in fruit by proteome analysis and transgenic technology
蛋白质组分析和转基因技术鉴定水果毛皮细胞壁解体关键因素
  • 批准号:
    17380024
  • 财政年份:
    2005
  • 资助金额:
    $ 2.05万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Mechanism of fruit softening and its inhibition during distribution and storage in persimmon fruit
柿果实软化机理及其在流通贮藏过程中的抑制作用
  • 批准号:
    14560023
  • 财政年份:
    2002
  • 资助金额:
    $ 2.05万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
molecular analysis of mechanism of fruit ripening and softening in pears
梨果实成熟软化机理的分子分析
  • 批准号:
    11660032
  • 财政年份:
    1999
  • 资助金额:
    $ 2.05万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)

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通过单分子成像和蛋白质工程增强纤维素酶活性,作为理解和改进不溶性底物酶解构的测试平台
  • 批准号:
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用于水解纤维素的纤维素酶模拟双功能固体酸的制备和基本了解
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    1703519
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丝状真菌中纤维素酶表达的新型碳分解代谢物抑制分析
  • 批准号:
    17H06763
  • 财政年份:
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阐明丝状真菌中纤维素酶的诱导和生产机制。
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  • 财政年份:
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通过在细胞表面展示多功能纤维素酶来直接生物生产有用的化学品
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探索纤维素酶与木质素生物催化剂之间潜在的协同合作
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β-葡萄糖苷酶对丝状真菌生产纤维素酶的影响
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职业:离子液体耐受纤维素酶混合物的合理工程
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解纤维素踝节菌(原解纤维素枝顶孢霉)中纤维素酶和半纤维素酶基因的表达机制
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开发在秸秆中表达异源纤维素酶的水稻,用于生产生物燃料
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