Abstract：
:As a result of natural processes and human activities, aluminum (Al) toxicity is recognized as a major limiting factor for plant productivity, and the secretion of organic acids facilitated by channel proteins is one of the most important Al resistance mechanisms in plants. The objective of this study was to evaluate the effects of several types of stress, including herbicide (imazethapyr (IM) and diclofop-methyl (DM)), heavy metal (Al and Cu), salt stress (NaCl), and proton stress (HCl), on the release of organic acids in rice. The results showed that 0.05 mg/L IM, 0.1 mg/L DM, 4680 mg/L NaCl, 0.5 mg/L CuSO4, and 18 mg/L AlCl3 significantly inhibited rice root elongation and the root fresh weight. In contrast, no significant inhibitory effects on rice growth were found with HCl (pH = 4.5). Similar to the effect of AlCl3 on organic acid induction, treatment with IM, DM, NaCl, and CuSO4 also induced the synthesis of endogenous citric acid and oxalic acid but decreased endogenous malic acid synthesis in the seedlings, though only citric acid was released into the environment after these treatments. We also analyzed the transcripts of three citrate channel proteins and found they were up-regulated by NaCl, CuSO4, and AlCl3 but not by IM or DM. This study clarified that organic acid secretion in plants might be a common phenomenon when plants are exposed to environmental stress other than Al toxicity.
journal_name
Environ Monit Assessjournal_title
Environmental monitoring and assessmentauthors
Ding H,Wen D,Fu Z,Qian Hdoi
10.1007/s10661-013-3443-5subject
Has Abstractpub_date
2014-02-01 00:00:00pages
1123-31issue
2eissn
0167-6369issn
1573-2959journal_volume
186pub_type
杂志文章abstract：:The fertigation effect of distillery effluents concentrations such as 5%, 10%, 25%, 50%, 75% and 100% were studied on Trigonella foenu-graecu (Pusa early bunching) along with control (bore well water). On irrigation of soil with different effluents up to 90 days of harvesting, it was observed that there was a signific...
journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-011-2033-7
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journal_title：Environmental monitoring and assessment
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doi：10.1007/s10661-016-5473-2
更新日期：2016-08-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-016-5128-3
更新日期：2016-03-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-010-1644-8
更新日期：2011-06-01 00:00:00
abstract：:The (239+240)Pu activities and (240)Pu/(239)Pu atom ratios were analyzed using a double-focusing SF-ICP-MS for sediment core samples obtained in 2007-2008 from the North Jiangsu tidal flats in the Yellow Sea in China. Particular attention was focused on the (240)Pu/(239)Pu atom ratios in the sediment to identify the o...
journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-012-3045-7
更新日期：2013-08-01 00:00:00
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journal_title：Environmental monitoring and assessment
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更新日期：2019-02-25 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-009-0800-5
更新日期：2010-03-01 00:00:00
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pub_type： 杂志文章
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更新日期：2012-11-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
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更新日期：2020-07-16 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-014-4155-1
更新日期：2015-01-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-011-2325-y
更新日期：2012-08-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-011-2121-8
更新日期：2012-04-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-020-08490-0
更新日期：2020-09-15 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-015-5079-0
更新日期：2016-01-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-018-6970-2
更新日期：2018-09-19 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-015-4738-5
更新日期：2015-09-01 00:00:00
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journal_title：Environmental monitoring and assessment
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更新日期：2009-01-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
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更新日期：2007-07-01 00:00:00
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journal_title：Environmental monitoring and assessment
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doi：10.1007/BF00394340
更新日期：1996-06-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/BF00394284
更新日期：1986-01-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-011-1913-1
更新日期：2011-12-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-015-5057-6
更新日期：2016-02-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章,评审
doi：10.1023/a:1015281214658
更新日期：2002-05-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-008-0470-8
更新日期：2009-09-01 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-020-8182-9
更新日期：2020-03-09 00:00:00
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journal_title：Environmental monitoring and assessment
pub_type： 杂志文章
doi：10.1007/s10661-016-5181-y
更新日期：2016-03-01 00:00:00
