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231224s2014 xx |||||o 00| ||eng c |
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|a eng
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|a Cai, Shenwen
|e verfasserin
|4 aut
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|a Differential responses of root growth, acid invertase activity and transcript level to copper stress in two contrasting populations of Elsholtzia haichowensis
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 27.08.2014
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|a Date Revised 21.10.2021
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|a published: Print
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|a GENBANK: JX500753, JX500754, JX500755, JX500756, KC985186
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|a Citation Status MEDLINE
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|a The present study aimed to test a hypothesis that acid invertases in root of metallophytes might play important roles in root growth under heavy metal stress. Plants of two contrasting populations, one from an ancient Cu mine (MP) and the other from a non-contaminated site (NMP), of metallophyte Elsholtzia haichowensis were treated with Cu in controlled experiments. The results showed that MP was Cu tolerant under 10 μM Cu2+ treatment. Cu treatment resulted in a higher root/shoot biomass ratio in MP compared to NMP. Scaling exponent in root/shoot allometric function in MP was lower than NMP. More complicated root architecture was observed in MP under Cu stress. Four full-length cDNAs (EhNcwINV, EhCcwINV, EhNvINV and EhCvINV) encoding cell wall and vacuolar invertases were cloned. Both of the transcript level and activity of the acid invertase in MP elevated under Cu treatment. There were positive correlations between root acid invertase transcript level, activity and root/shoot biomass ratio. The results indicated important roles of acid invertase in governing root growth under Cu stress. It also suggested that there was a possible interrelation between acid invertases and Cu tolerance mechanisms in MP of E. haichowensis
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Soil Pollutants
|2 NLM
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|a Copper
|2 NLM
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|a 789U1901C5
|2 NLM
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| 650 |
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|a beta-Fructofuranosidase
|2 NLM
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| 650 |
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| 700 |
1 |
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|a Xiong, Zhiting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Ling
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Minjing
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Luan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Chen
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Zhongrui
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 23(2014), 1 vom: 15. Jan., Seite 76-91
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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|g volume:23
|g year:2014
|g number:1
|g day:15
|g month:01
|g pages:76-91
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