作者：冯丹丹,邓蕾,苏琦雅,刘德江,钟彩虹,李黎
单位：1 中国科学院植物种质创新与特色农业重点实验室 中国科学院猕猴桃产业技术工程实验室 中国科学院种子创新研究院 中国科学院武汉植物园,湖北 武汉 430074,2 佳木斯大学生命科学学院,黑龙江 佳木斯 154007
关键词：猕猴桃软腐病,荧光蛋白,遗传转化,转化子,致病力
基金：国家重点研发计划项目(2019YFD1000200),国家自然科学基金青年科学基金(31701974),国家自然科学基金青年科学基金(31901980),长江猕猴桃产业技术研究项目(CJZX20210102)
果实软腐病是猕猴桃贮藏期间最严重的真菌病害,猕猴桃间座壳Diaporthe actinidiae是该病检出率最高且致病力最强的病原菌。该病菌从花前期开始侵染,至果实贮藏期才表现症状,侵染至发病周期较长,可借助荧光标记对其侵染过程进行研究。本研究采用PEG介导原生质体转化的技术,运用携带GFP及潮霉素抗性基因的双元载体pCAMBgfp对D. actinidiae菌株进行遗传转化。首先,对转化子进行潮霉素及绿色荧光筛选,随后进行菌落的生物学特征观察、荧光稳定性验证及致病力检测,最终得到3株菌丝形态、生长速度及致病力与野生型菌株一致的稳定荧光菌株。将KFDA-17转化子接种于贮藏期猕猴桃果实‘金梅’,1 d后果实出现水渍症状,随后出现软腐症状且逐步加重;发病部分菌丝体在荧光显微镜下呈现明显的绿色荧光,可清晰观察侵染进程。本研究成功构建了PEG介导的间座壳菌丝体的原生质体遗传转化体系,且KFDA-17荧光菌株可用于侵染过程研究。"/>template{display:none;}.mag-rich-xref-fn { cursor: pointer;}//长视频$(document).ready(function(){if($("#showLongArticleVideo") && $("#showLongArticleVideo").length && $("#showLongArticleVideo").length>0){mag_ajax_update({ele_id:'showLongArticleVideo',url:mag_currentQikanUrl() + "/CN/article/showLongArticleVideo.do?id="+$("#articleId").val()});}});//可视化图谱$(document).ready(function(){if($("#showArticle_knowledgeMap") && $("#showArticle_knowledgeMap").length && $("#showArticle_knowledgeMap").length>0){jQuery.getJSON("/Jwxb/CN/lexeme/existsCnctstInArticle.do?articleID="+$("#articleId").val(), null, function(json){if(json.result){$("#showArticle_knowledgeMap").show();}});}});$(document).ready(function(){var metaDataStr = $.trim($("#article_metaJson").val());if(metaDataStr!=''){eval("window.metaData="+metaDataStr);}if(window.metaData && (!window.metaData.authorNotesCommon_cn && !window.metaData.authorNotesCorresp_cn && window.metaData.authorNotes_cn)){window.metaData.authorNotesCommon_cn = window.metaData.authorNotes_cn;}if(window.metaData && (!window.metaData.authorNotesCommon_en && !window.metaData.authorNotesCorresp_en && window.metaData.authorNotes_en)){window.metaData.authorNotesCommon_en = window.metaData.authorNotes_en;}var _nlmdtdXml = $("#article_nlmdtdXml").val();var magDir = _nlmdtdXml.replace(/\/[^\/]+$/,'');window.metaData.magDir = magDir;new mag_vue({ el: '#metaVue', //dataUrl: mag_currentQikanUrl() + '/EN/article/getRichHtmlJson.do?articleId='+$("#articleId").val(), data:window.metaData, loading:true, doTextFun:function(text){ return doDataJsonText(text); 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来源：2022年第3期
《菌物学报》期刊编辑部
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