甘蔗根系内生真菌染色方法探讨

为了建立一种甘蔗根系内生真菌最佳的染色方法,便于更好观察甘蔗根际土壤丛枝菌根(Arbuscular mycorrhiza,AM)真菌和深色有隔内生真菌(Dark septate endophytes,DSE)对甘蔗根系的侵染情况。将甘蔗根样置于20%的KOH溶液中90℃水浴透明90~120 min;接着加入碱性H2O2脱色60 min;5%的乙酸酸化5 min后,用5%的墨水醋染液(Quink牌纯黑墨水、北京牌蓝黑墨水)、酸性品红、苏丹红Ⅳ、台酚蓝、苯胺蓝为染液,在66℃水浴染色30 min,后用清水浸泡(12 h)脱色后即可镜检。经过碱性H2O2脱色60 min后Quink牌纯黑墨水染色的根...

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Published in西南农业学报 Vol. 29; no. 4; pp. 814 - 819
Main Author 廖楠 张金莲 李冬萍 汪茜 龙艳艳 谭裕模 李松 陆祖军 陈廷速
Format Journal Article
LanguageChinese
Published 广西农业科学院微生物研究所,广西南宁530007%广西农业科学院微生物研究所,广西南宁,530007%广西农业科学院农业资源与环境研究所,广西南宁,530007%广西农业科学院甘蔗研究所,广西南宁,530007%广西师范大学生命科学院,广西桂林,541004 2016
广西师范大学生命科学院,广西桂林541004
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ISSN1001-4829
DOI10.16213/j.cnki.scjas.2016.04.016

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Summary:为了建立一种甘蔗根系内生真菌最佳的染色方法,便于更好观察甘蔗根际土壤丛枝菌根(Arbuscular mycorrhiza,AM)真菌和深色有隔内生真菌(Dark septate endophytes,DSE)对甘蔗根系的侵染情况。将甘蔗根样置于20%的KOH溶液中90℃水浴透明90~120 min;接着加入碱性H2O2脱色60 min;5%的乙酸酸化5 min后,用5%的墨水醋染液(Quink牌纯黑墨水、北京牌蓝黑墨水)、酸性品红、苏丹红Ⅳ、台酚蓝、苯胺蓝为染液,在66℃水浴染色30 min,后用清水浸泡(12 h)脱色后即可镜检。经过碱性H2O2脱色60 min后Quink牌纯黑墨水染色的根系,AM真菌的菌丝和泡囊以及DSE微菌核能够清晰可见。此实验建立的墨水醋染法安全性高而且操作简便,成本低廉。相对于其他染色方法毒性低,对环境的污染小,而且染色效果稳定,更适于观察和镜检拍照。
Bibliography:51-1213/S
Sugarcane root; Endophytic fungi; Arbuscular mycorrhizal fungi; Dark septate endophytes; Staining
LIAO Nan , ZHANG Jin-lian , LI Dong-ping , WANG Qian , LONG Yan-yan , TAN Yu-mo , LI Song , LU Zu-jun , CHEN Ting-su ( 1. College of Life Science, Guangxi Normal University, Guangxi Guilin 541004, China ; 2. Mierobiology Research Institute, Guangxi Acad- emy of Agricultural Sciences, Guangxi Nanning 530007, China; 3. Resource and Environment Institute, Guangxi Academy of Agricultural Sciences, Guangxi Nanning 530007, China; 4. Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences, Guangxi Nanning 530007, China)
An experiment was conducted to establish a method for staining endophytic fungi in sugarcane roots to observe arbuscular mycorrhizal(AM) fungi and dark septate endophyte(DSE) colonizations. Sugarcane roots were treated with 20 % KOH solution for 90 to 120 min in water bath at 90 ℃,and then the roots were destained by immersing in alkaline H2O2 for 60 min. After acidified in 5 % acet
ISSN:1001-4829
DOI:10.16213/j.cnki.scjas.2016.04.016