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Citation
Tags
HERO ID
2064224
Reference Type
Journal Article
Title
Effects of As levels on radial oxygen loss and As speciation in rice
Author(s)
Wu, C; Li, H; Ye, Z; Wu, F; Wong, MH
Year
2013
Is Peer Reviewed?
Yes
Journal
Environmental Science and Pollution Research
ISSN:
0944-1344
EISSN:
1614-7499
Volume
20
Issue
12
Page Numbers
8334-8341
Language
English
PMID
24006158
DOI
10.1007/s11356-013-2083-1
Web of Science Id
WOS:000327498600004
URL
http://link.springer.com/10.1007/s11356-013-2083-1
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Abstract
Greenhouse experiment was conducted to examine effects of arsenic (As) on iron plaque formation, radial oxygen loss, As accumulation, and speciation in rice. Three genotypes were grown in soil with three different concentrations of As. The stress of As caused a slight increase of iron plaque formation (P > 0.05) and a decrease in the rates of radial oxygen loss (ROL; P < 0.01). The results of As speciation showed that the percentages of DMA increased from 19-28 % to 53-58 %, while the percentages of inorganic As decreased from 53-58 % to 36-42 % with the increasing soil As concentrations, indicating a strong environmental influence on As species in rice grain. The present study showed that elevated soil As may induce As toxicity towards rice plants, leading to the decrease of ROL; environmental factors could influence As methylation or As species transportation. Our study provided useful information on As tolerance and accumulation in rice which may contribute to reducing the health risk posed by As contamination in rice.
Keywords
Arsenic; Radial oxygen loss; Rice; Speciation
Tags
IRIS
•
Arsenic Hazard ID
PubMed
Considered New
PubMed
ToxNet
Considered New
PubMed
WOS
ToxNet
Excluded
Toxnet Duplicates
2. Lit Search Updates through Oct 2015
PubMed
WOS
ToxNet
Considered
7. Other Studies through Oct 2015
Ecology
•
Arsenic (Inorganic)
1. Literature
Lit search updates through Oct 2015
3. Hazard ID Screening
Other potentially supporting studies
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