作者：王伟伟,梁静思,段晓艳,陶宇,汤淑丽,杨洋,李灿辉,唐唯
单位：1. 云南师范大学生命科学学院 云南 昆明 650500,2. 云南师范大学马铃薯科学研究院 云南 昆明 650500,3. 云南省教育厅马铃薯生物学重点实验室 云南 昆明 650500
关键词：马铃薯,致病疫霉,有性生殖后代,表型,基因型
基金：国家自然科学基金(31660503)
致病疫霉Phytophthora infestans为马铃薯晚疫病的重要病原菌。通过从昆明市寻甸县采集110P和H-6两株致病疫霉,明确其染色体倍性、交配型、线粒体单倍型、毒性和甲霜灵敏感性,经对峙培养,利用改良的卵孢子萌发方法获得有性生殖F1代群体POP1（60株）,并对POP1进行表型和基因型测定。结果表明：冷冻处理24h为最佳条件,卵孢子萌发率达5.09%±0.15%;POP1的交配型、毒性和甲霜灵敏感性均发生了分离,其中交配型分离比为A1:A2:A1A2:自育型（SF）=16:5:17:22,毒性分离比为抗性（R）:敏感性（S）=11:49,甲霜灵敏感性分离比为抗性（R）:敏感性（S）=2:58;3个表型的分离均偏离孟德尔单基因显性遗传特点。基于8对SSR多态性引物对POP1基因型分析表明,遗传相似系数为0.98时,可将所有菌株分为14个基因型;遗传相似系数为0.95时,可将POP1分为6个分支,其中优势群体为S1,占分离群体的61.67%。关联分析进一步表明,8对SSR所代表的基因型和几个重要表型有显著相关性（R2=0.6667）。本研究建立了高效的致病疫霉卵孢子萌发体系,解析了有性生殖后代群体遗传结构特点,为深入探索致病疫霉的变异规律及病害流行趋势提供了理论基础。"/>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='+$("#articleId").val(), data:window.metaData, loading:true, doTextFun:function(text){ return doDataJsonText(text); }, doAfterFun:function(selector,jsonData){doMagVueAfter(selector,jsonData);}});//参考文献可视化richRefCharts(window.metaDatas);var pars = {attachType:'PDF',id:$("#articleId").val(),json:true};jQuery.post($("#mag-common-contextPath").val()+"/CN/article/showArticleFile.do?" + new Date().getTime(), pars, function(data){var json=null;if(data.match(/^\[json\].*/g)){json=eval("("+data.replace(/^\[json\]/g,"")+")");}if(json && json.status == 1){//有权限}else{//无权限$("#no-access-div").show();}});mag_ajax({url:mag_currentQikanUrl() + '/CN/article/getRichHtmlJson.do',data:{articleId:$("#articleId").val(),token:'3885b3e0bd3542b693e8df730403ebe9',referer:document.referrer},dataType:"json",async:"false",success:function(json){if(json.richHtmlJson && json.richHtmlJson.article){if(json.trans){var _nlmdtdXmlCN = $("#article_nlmdtdXmlCN").val();var magDirCN = _nlmdtdXmlCN.replace(/\/[^\/]+$/,'');json.richHtmlJson.magDir=magDirCN;}else{json.richHtmlJson.magDir=magDir;}new mag_vue({ el: '#bodyVue', data:json.richHtmlJson, doTextFun:function(text){ return doDataJsonText(text); }, doAfterFun:function(selector,jsonData){doMagVueAfter(selector,jsonData);}});}}});//altmetricif($.trim($("#article_doi").val())!=''){$.ajax({url:'https://api.altmetric.com/v1/doi/'+$.trim($("#article_doi").val())+'?callback=altmetric_callback',//url:'https://api.altmetric.com/v1/doi/10.1007/s13238-016-0264-7?callback=altmetric_callback',dataType:'jsonp'});}mag_rich_menu(jQuery);$(function(){ $('#autoMenu').autoMenu();})$("#autoMenu").niceScroll({cursorcolor: "#ccc", //滚动条的颜色cursoropacitymax: 0, //滚动条的透明度，从0-1 touchbehavior: false, //使光标拖动滚动像在台式电脑触摸设备 true滚动条拖动不可用 cursorwidth: "6px", //滚动条的宽度 单位默认px cursorborder: "0", // 游标边框css定义 cursorborderradius: "3px", //滚动条两头的圆角 autohidemode: true, //是否隐藏滚动条 true的时候默认不显示滚动条，当鼠标经过的时候显示滚动条 zindex: "auto", //给滚动条设置z-index值 railvalign:'defaul',railpadding: {top: 0,right: -6,left: 0,bottom: 0}, //滚动条的位置});window.autoMenuFlag=true;$("#relatedArticles").niceScroll({cursorcolor: "#ccc", //滚动条的颜色cursoropacitymax: 0, //滚动条的透明度，从0-1 touchbehavior: false, //使光标拖动滚动像在台式电脑触摸设备 true滚动条拖动不可用 cursorwidth: "6px", //滚动条的宽度 单位默认px cursorborder: "0", // 游标边框css定义 cursorborderradius: "3px", //滚动条两头的圆角 autohidemode: true, //是否隐藏滚动条 true的时候默认不显示滚动条，当鼠标经过的时候显示滚动条 zindex: "auto", //给滚动条设置z-index值 railvalign:'defaul',railpadding: {top: 0,right: -6,left: 0,bottom: 0}, //滚动条的位置});//公式序号 居右jQuery(".mag-xml-disp-formula").each(function() {var _this = jQuery(this);var _label= _this.children("label");if(typeof(_label.html())!="undefined"){_this.children("label").remove();_this.wrap("");_this.parent().parent().append(""+_label.html()+"");}});$('body').click(function(){$('.daochu_div').hide();$('.qipao').hide();})$('.qipao').click(function(event){event.stopPropagation();})/*参考文献显示隐藏*/$('.biaotijiantoush1').click(function(event){if($(this).attr('class')=='glyphicon glyphicon-triangle-top biaotijiantoush biaotijiantoush1'){$(this).parents('.mag_main_zhengwen_left_div_ckwx_table_benwenyiny').next('.mag_main_zhengwen_left_div_ckwx_table_ckwx_xiangqing').stop().slideUp();$(this).attr('class','glyphicon glyphicon-triangle-bottom biaotijiantoush biaotijiantoush1');}else if($(this).attr('class')=='glyphicon glyphicon-triangle-bottom biaotijiantoush biaotijiantoush1'){$(this).parents('.mag_main_zhengwen_left_div_ckwx_table_benwenyiny').next('.mag_main_zhengwen_left_div_ckwx_table_ckwx_xiangqing').stop().slideDown();$(this).attr('class','glyphicon glyphicon-triangle-top biaotijiantoush biaotijiantoush1');}event.stopPropagation();});//加载补充材料mag_ajax_update({ele_id:'showArticle_suppls',url:mag_currentQikanUrl() + '/CN/article/showArticleSuppls.do',data:{articleId:$("#articleId").val()}});//加载专题mag_ajax_update({ele_id:'showArticle_subjects',url:mag_currentQikanUrl() + '/CN/subject/showSubjectListByArticle.do',data:{articleId:$("#articleId").val(),forwardJsp:'showArticle'}});//知识标引(规范词标引)mag_rich_lexemeCnctst($("#articleId").val(),'CN',document.getElementById('bodyVue'));//渲染公式mag_mathJax();});function altmetric_callback(json){if(json && json.score){if(json.score - parseInt(json.score) > 0){$("#altmetric-score").html(parseInt(json.score)+1);}else{$("#altmetric-score").html(parseInt(json.score));}$(".main_content_center_right_duoweidu_div").css("width","25%");$("#altmetric-a").show();$("#altmetric-a").attr("href",json.details_url);}}function richClickAuthor(name){var searchSQL = "((("+mag_advSearchValReplace(name)+"[Author]) AND 1J[Journal]) AND year[Order])";mag_request({url:mag_currentQikanUrl() + '/CN/searchresult',data:{searchSQL:searchSQL}});}function richClickKeyword(keyword){var searchSQL = "((("+mag_advSearchValReplace(keyword)+"[Keyword]) AND 1J[Journal]) AND year[Order])";mag_request({url:mag_currentQikanUrl() + '/CN/searchresult',data:{searchSQL:searchSQL}});}function mag_share(){$("#bShare_more_a").click();}function loadRelatedArticles(){if($("#showRelatedArticles") && $("#showRelatedArticles").length>0){//加载过了}else{mag_loading();mag_ajax_update({ele_id:'relatedArticles-content',url:mag_currentQikanUrl() + '/CN/article/relatedArticle.do',data:{id:$("#articleId").val(), forwardJsp:'showArticle'},complete:function(){mag_layer_close();}});}}function showMetrics(){mag_window_location(mag_currentQikanUrl() + '/CN/metrics/'+$("#articleId").val());}function piaofuFn(a,fnId){var content=''+$("#mag-rich-fn-"+fnId).html()+'';piaofu(a,content);}function piaofuCnctst(a,cnctst_id){if($("#mag_rich_cnctst_info_"+cnctst_id) && $("#mag_rich_cnctst_info_"+cnctst_id).length && $("#mag_rich_cnctst_info_"+cnctst_id).length>0){var content=''+$("#mag_rich_cnctst_info_"+cnctst_id).html()+''; piaofu(a,content); }else{ var div=document.createElement("div"); div.style.display='none'; div.id="mag_rich_cnctst_info_"+cnctst_id; document.body.appendChild(div); mag_ajax_update({ selector:"#mag_rich_cnctst_info_"+cnctst_id, url:mag_currentQikanUrl() + "/CN/lexeme/showCnctstOnRich.do", data:{cnctst_id:cnctst_id,articleId:$("#articleId").val(),Count:5}, success:function(){ var content=''+$("#mag_rich_cnctst_info_"+cnctst_id).html()+''; piaofu(a,content); } }); }}function clickFigXref(a,figId){if(figId!=''){$("[mag-fig-id='"+figId+"']")[0].scrollIntoView();}}function clickTabXref(a,tabId){if(tabId!=''){document.getElementById(tabId).scrollIntoView();}}function huoqukuanduimg(){//}function doDataJsonText(text){var str = text;//var _nlmdtdXml = $("#article_nlmdtdXml").val();//var magDir = _nlmdtdXml.replace(/\/[^\/]+$/,'');str = str.replace(/";ss += "";var shuomingTitle = "";var shuomingContent = '';if(fig.titleCn && fig.titleCn!=''){shuomingTitle = fig.titleCn;if(fig.titleContentCn && fig.titleContentCn!=''){shuomingContent += fig.titleContentCn;}}if(shuomingTitle==''){if(fig.titleEn && fig.titleEn!=''){shuomingTitle = fig.titleEn;}if(fig.titleContentEn && fig.titleContentEn!=''){shuomingContent += fig.titleContentEn;}}else{if(fig.titleEn && fig.titleEn!=''){shuomingContent += ""+fig.titleEn+"
来源：2019年第7期
《菌物学报》期刊编辑部
查看菌物学报杂志2019年第7期