作者：曹雨影,李艳,周祥瑞,张润吉,黄熙瀛,向泉桔,张小平,辜运富
单位：四川农业大学资源学院，四川 成都 611130
关键词：香菇,硝普钠,香菇多糖,合成关键酶,基因表达量
基金：四川省科技计划项目(2021YFYZ0026)
香菇多糖是香菇中特有的生物活性成分。硝普钠在调控食用菌生长方面具有重要影响，但其对香菇生长及多糖合成的影响尚不清楚。本文以香菇新808为研究材料，通过添加不同浓度硝普钠作为外源一氧化氮对新808菌丝的生物量、生长速率、香菇多糖含量、香菇多糖代谢关键酶活性及其表达调控基因相对表达量进行综合研究。结果表明：硝普钠浓度为100 μmol/L可显著提高香菇菌丝生物量，与对照组相比增加了1.61倍；生长速率与对照组无显著差异；香菇菌丝的香菇多糖含量显著提高，为对照组的3.71倍；漆酶、锰过氧化物酶和木质素过氧化物酶活性显著提高，分别为对照组的1.73倍、2.23倍和1.55倍；与多糖合成有关的辅助模块酶基因LENED_010207、碳水化合物结合模块基因LENED_012941和多糖裂解酶基因LENED_004566基因相对表达量有所上调，其中LENED_010207基因上调最明显，而多糖合成关键酶基因UDP-葡萄糖焦磷酸化酶基因(UGP)、葡萄糖磷酸变位酶基因(PGM)与葡萄糖磷酸异构酶基因(PGI)相对表达量均显著下调。在100 μmol/L浓度硝普钠处理下，香菇生物量、多糖含量、多糖代谢关键酶活性及部分多糖合成关键酶的基因相对表达量均显著高于对照组，表明添加适宜浓度的硝普纳能有效地促进香菇多糖的合成，提高香菇多糖的含量。本文为进一步探索香菇多糖的代谢通路提供了理论依据，为选育高多糖含量的香菇新品种提供了新思路，对改进香菇栽培技术有一定的参考意义。"/>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:'63531cedbac0443abb08e642db813821',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：2022年第12期
《菌物学报》期刊编辑部
查看菌物学报杂志2022年第12期