期刊
JOURNAL OF PLANT PHYSIOLOGY
卷 171, 期 13, 页码 1142-1148出版社
ELSEVIER GMBH
DOI: 10.1016/j.jplph.2014.05.002
关键词
Triticum aestivum; Silver nanoparticles; Proteomics; AFLP; TEM
资金
- Fondazione Banca del Monte di Lombardia (INSUBRIA DBSV)
We investigated the effects of 1 and 10 mg L-1 AgNPs on germinating Triticum aestivum L. seedlings. The exposure to 10 mg L-1 AgNPs adversely affected the seedling growth and induced morphological modifications in root tip cells. TEM analysis suggests that the observed effects were due primarily to the release of Ag ions from AgNPs. To gain an increased understanding of the molecular response to AgNP exposure, we analyzed the genomic and proteomic changes induced by AgNPs in wheat seedlings. At the DNA level, we applied the AFLP technique and we found that both treatments did not induce any significant DNA polymorphisms. 2DE profiling of roots and shoots treated with 10 mg L-1 of AgNPs revealed an altered expression of several proteins mainly involved in primary metabolism and cell defense. (C) 2014 Elsevier GmbH. All rights reserved.
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