|本期目录/Table of Contents|

[1]尚晓静,侯瑞,徐芳玲,等.2株蓝莓溶磷内生真菌的筛选、鉴定及溶磷效果评价[J].江苏农业科学,2022,50(20):246-252.
 Shang Xiaojing,et al.Screening,identification and evaluation of two phosphate dissolving fungi from blueberry[J].Jiangsu Agricultural Sciences,2022,50(20):246-252.
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2株蓝莓溶磷内生真菌的筛选、鉴定及溶磷效果评价(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第50卷
期数:
2022年第20期
页码:
246-252
栏目:
资源与环境
出版日期:
2022-10-20

文章信息/Info

Title:
Screening,identification and evaluation of two phosphate dissolving fungi from blueberry
作者:
尚晓静12侯瑞1徐芳玲1潘秋梅1张富美1
1.贵州大学林学院,贵州贵阳 550025; 2.黔东南州林业科学研究所,贵州凯里 556000
Author(s):
Shang Xiaojinget al
关键词:
溶磷真菌蓝莓筛选鉴定溶磷效果
Keywords:
-
分类号:
S182
DOI:
-
文献标志码:
A
摘要:
从蓝莓植株内生真菌中筛选出具有溶磷、耐盐功能的菌株,为研究和评价其溶磷效果,采用固体溶磷圈法,根据是否产生溶磷圈来筛选蓝莓溶磷内生真菌,选取具有溶磷圈的真菌进行经典形态学和内源转录间隔区(ITS)序列分析和鉴定;采用液体培养法测定发酵液的有效磷含量及pH值;采用超高效液相色谱仪测定有机酸的种类及其含量,分析菌株的溶磷机制;采用固体培养法,设置不同NaCl浓度梯度用于分析蓝莓溶磷内生真菌的耐盐性。经形态学和分子生物学鉴定,菌株G14为烟管菌(Bjerkandera adusta)、菌株FG54为阿达青霉(Penicillium adametzii)。菌株FG54于5 d后有效磷含量最高,达到587.315 μg/mL,菌株G14于 5 d 后有效磷含量最高,达到523.730 μg/mL。通过对2株菌株有机酸的测定,发现该菌株的溶磷能力主要通过自身分泌的丙二酸、甲基丙二酸和柠檬酸等有机酸降低菌株发酵液的 pH值,从而达到溶解磷的效果。同时,菌株FG54能较好的适应不同含量氯化钠浓度,在较高浓度的氯化钠培养基中也能生长。在氯化钠低浓度情况下,菌株G14生长速度较快,FG54生长较慢。通过筛选得到了2株溶磷性和耐盐性较好的真菌,它们在不同盐环境中差异显著,具有良好的应用前景。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2021-10-27
基金项目:贵州省科技计划[编号:黔科合支撑(2017)2567、黔科合平台人才(2018)5781)];国家自然科学基金(编号:31801688)。
作者简介:尚晓静(1997—),女,贵州岑巩人,硕士,从事微生物资源与利用研究。E-mail:shangxiaojingcg@163.com。
通信作者:侯瑞,博士,副教授,从事微生物资源与利用研究。E-mail:jiayouhourui123@163.com。
更新日期/Last Update: 2022-10-20