|本期目录/Table of Contents|

[1]李磊,韩成,王宵宵,等.镉胁迫下转基因水稻对根际土壤微生物的影响[J].江苏农业科学,2019,47(14):282-287 .
 Li Lei,et al.Effect of transgenic rice on rhizospheric soil microorganisms under cadmium stress[J].Jiangsu Agricultural Sciences,2019,47(14):282-287 .
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镉胁迫下转基因水稻对根际土壤微生物的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第14期
页码:
282-287
栏目:
资源与环境
出版日期:
2019-08-10

文章信息/Info

Title:
Effect of transgenic rice on rhizospheric soil microorganisms under cadmium stress
作者:
李磊12 韩成1 王宵宵12 洪鑫12 刘标3 钟文辉1
1.南京师范大学地理科学学院/江苏省物质循环与污染控制重点实验室,江苏南京 210023; 2.南京师范大学环境学院,江苏南京 210023;
3.生态环境部南京环境科学研究所/国家环境保护生物安全重点实验室,江苏南京 210042
Author(s):
Li Leiet al
关键词:
转基因水稻细菌群落根际土壤镉胁迫
Keywords:
-
分类号:
S154.3;Q938.1
DOI:
-
文献标志码:
A
摘要:
为了探究镉胁迫下转基因水稻对根际土壤微生物的影响,以抗虫转基因水稻华恢1号(HH1)及其亲本非转基因水稻明恢63(MH63)为研究材料,设置不同Cd2+浓度(0、3.5、60.0、240.0 mg/kg)胁迫进行盆栽试验。结果表明:与Cd0相比,Cd3.5处理对水稻农艺性状无显著影响;Cd240.0处理显著降低了株高、产量;与Cd0处理相比,Cd60.0和Cd240.0处理下HH1水稻根际土壤细菌群落组成中Proteobacteria(变形菌门)、Acidobacteria(酸杆菌门)、Actinobacteria(放线菌门)的相对丰度显著降低;MH63水稻中Acidobacteria的相对丰度显著升高而Bacteroidetes(拟杆菌门)的相对丰度显著降低。Cd胁迫显著降低了水稻根际土壤细菌群落丰度及多样性。环境因子分析显示,Cd胁迫后水稻根际土壤pH值、总氮含量、铵态氮含量的变化是影响根际土壤细菌群落结构的主要原因。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2018-03-26
基金项目:转基因生物新品种培育重大专项(编号:2016ZX08012005)。
作者简介:李磊(1992—),女,江苏盐城人,硕士研究生,主要从事土壤生态与环境微生物多样性研究。E-mail:151302142@stu.njnu.edu.cn。
通信作者:钟文辉,博士,教授,主要从事土壤与环境微生物研究。Tel:(025)85891352;E-mail:zhongwenhui@njnu.edu.cn。
更新日期/Last Update: 2019-07-20