Zinc oxide nanoparticle exposure triggers different gene expression patterns in maize shoots and roots

被引：35

作者：

Xun, Hongwei ^{[1
]}

Ma, Xintong ^{[1
]}

Chen, Jing ^{[1
]}

Yang, Zhongzhou ^{[1
]}

Liu, Bao ^{[1
]}

Gao, Xiang ^{[1
]}

Li, Guo ^{[1
]}

Yu, Jiamiao ^{[1
]}

Wang, Li ^{[1
]}

Pang, Jinsong ^{[1
]}

机构：

[1] Northeast Normal Univ, Sch Life Sci, Key Lab Mol Epigenet, MOE, Changchun 130024, Jilin, Peoples R China

来源：

ENVIRONMENTAL POLLUTION | 2017年 / 229卷

基金：

对外科技合作项目（国际科技项目）;

关键词：

Maize seedling; Zinc oxide nanoparticle; Transcriptome; Differentially expressed genes; Gene ontology annotation; SILVER NANOPARTICLES; PHYTOTOXICITY; PLANTS; ZNO; GROWTH; MICROORGANISMS; ACCUMULATION; P; P'-DDE; LINES; L;

D O I：

10.1016/j.envpol.2017.05.066

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The potential impacts of environmentally accumulated zinc oxide nanoparticles (nZnOs) on plant growth have not been well studied. A transcriptome profile analysis of maize exposed to nZnOs showed that the genes in the shoots and roots responded differently. Although the number of differentially expressed genes (DEGs) in the roots was greater than that in the shoots, the number of up- or down-regulated genes in both the shoots and roots was similar. The enrichment of gene ontology (GO) terms was also significantly different in the shoots and roots. The "nitrogen compound metabolism" and "cellular component" terms were specifically and highly up-regulated in the nZnO-exposed roots, whereas the categories "cellular metabolic process", "primary metabolic process" and "secondary metabolic process" were down-regulated in the exposed roots only. Our results revealed the DEG response patterns in maize shoots and roots after nZnO exposure. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：479 / 488

页数：10

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