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基因研究 英国白蜡树对枯梢病抵抗力较强|鸭脖在线网址

本文摘要:fears that almost all of Britain ' s ash trees face annihilation may be exaggerated,According to a comprehensive genetic analysis of ash across英国和欧洲大陆对白蜡树(ash tree)的综合遗传分析显示,英国所有白蜡树面临灭绝的担忧有可能被高估,The study,carried out by A collaboration of

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fears that almost all of Britain ' s ash trees face annihilation may be exaggerated,According to a comprehensive genetic analysis of ash across英国和欧洲大陆对白蜡树(ash tree)的综合遗传分析显示,英国所有白蜡树面临灭绝的担忧有可能被高估,The study,carried out by A collaboration of 12 Academic Research Teams and published in Nature该研究由12个学术研究小组共同进行,结果在《大自然》 (Nature)杂志上公开,研究显示,英国的白蜡树比欧洲大陆的白蜡树更有可能装载抵抗白蜡树枯梢病(ash dieback)的基因。这是一种真菌感染,有可能杀死欧洲百分之九十的白蜡树人口。“it ' s an encouraging hint that things may not be as bad as we had feared,”said study leader Richard buggs of queen Mary university of London“这是一个令人鼓舞的消息,它可能没有我们以前担心的那么糟糕。

”伦敦大学玛丽皇后大学(Queen Mary University of London)和皇家植物园救援(Royal Botanic Gardens Kew)的研究负责人理查德巴格斯回答说。“but these are preliminary indications and I wouldn ' t want to see government policy on ash die back shaped by the research until we have more evil of但是这些都是可行性的迹象。

在进一步指出英国白蜡树的感性之前,我想看到政府对白蜡树冷草病的政策受到这项研究的影响。“The encouraging news comes from The discovery of a link between reduced susceptibility to ash die back and lower levels of plant chemicals called id这一令人鼓舞的信息是,根据遗传分析,英国白蜡树分解的化合物比欧洲大陆的白蜡树少。Mr buggs said the findings might explain why ash die back has not spread as rapidly in the uk as feared in 2012 when the fungus first arrived from conti nenentmost of our early models were based on the Danish experience,“he said.baggs在2012年白蜡树冷草病从欧洲大陆传播到英国时,为什么我们使用的大部分早期模型都是基于丹麦的经验。”他说。

the disease causes trees to lose their leaves and eventually die。it has killed millions of plants In eastern and northern Europe since reaching PP In 1992。young trees die fast while mature ash often take several years to succumb。这种疾病不会造成白蜡树落叶,最终枯萎死亡。

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自1992年传播到波兰以来,它在东欧和北欧杀死了数百万颗白蜡树。幼树死得快,成年白蜡树往往几年后死。“plants use a vast range of chemicals to defend against fungal attack,And the primary objective[of the project]Was to identify diffy“our findings underline the need for further research to ensure that we select Silient to present and future threats。

”植物利用多种化学物质来防止真菌的肆虐。(该项目)的主要目标是检查幼树,选择最好的树来开展报种。

“我们的研究结果强调需要进行更多的研究,以验证对当前和未来威胁具有抵抗力的白蜡树。”while the genetic analysis is encouraging news for the fungal resistance of British ash,it may have a downside,Too.iridoid glycosides帮助to遗传分析表明,环烯醚类有助于保护植物免受害虫侵害,因此,如果这种化合物含量低,英国白蜡树在被称为另一种威胁3354的宽甲壳素(emerald ash borer)的甲虫3354面前可能会变得更加脆弱。the beetle has devastated vast tracts of ash in north America and is spreading westward from Russia into Europe . although emerald ash borer has north ch这种甲虫在北美破坏了许多白蜡树,从俄罗斯向西扩散,冲向欧洲。

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虽然白蜡比较宽,但是吉丁还没有到英国,但是树木种植者担心他们来只是时间问题。


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