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231223s2007 xx ||||| 00| ||eng c |
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|a pubmed24n0540.xml
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|a (DE-627)NLM162046855
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|a (NLM)16618521
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Hossain, Mohammad Talim
|e verfasserin
|4 aut
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| 245 |
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|a Modification of chemical properties of cell walls by silicon and its role in regulation of the cell wall extensibility in oat leaves
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|c 2007
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 16.05.2007
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Effects of silicon on the mechanical and chemical properties of cell walls in the second leaf of oat (Avena sativa L.) seedlings were investigated. The cell wall extensibility in the basal region of the second leaf was considerably higher than that in the middle and subapical regions. Externally applied silicon increased the cell wall extensibility in the basal region, but it did not affect the extensibility in the middle and subapical regions. The amounts of cell wall polysaccharides and phenolic compounds, such as diferulic acid (DFA) and ferulic acid (FA), per unit length were lower in the basal region than in the middle and subapical regions of the leaf, and silicon altered these amounts in the basal region. In this region, silicon decreased the amounts of matrix polymers and cellulose per unit length and of DFA and FA, both per unit length and unit matrix polymer content. Silicon treatment also lowered the activity of phenylalanine ammonia-lyase (PAL, EC 4.3.1.5) in the basal region. In contrast, the amount of silicon in cell walls increased in response to silicon treatment in three regions. These results suggest that in the basal region, silicon reduces the net wall mass and the formation of phenolic acid-mediated cross-linkages between wall polysaccharides. Such modifications of wall architecture may be responsible for the silicon-induced increase in the cell wall extensibility in oat leaves
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|a Journal Article
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|a Coumaric Acids
|2 NLM
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|a diferulic acid
|2 NLM
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|a ferulic acid
|2 NLM
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|a AVM951ZWST
|2 NLM
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|a Ammonia-Lyases
|2 NLM
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|a EC 4.3.1.-
|2 NLM
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|a L-tyrosine ammonia-lyase
|2 NLM
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| 650 |
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|a EC 4.3.1.-
|2 NLM
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| 650 |
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|a Phenylalanine Ammonia-Lyase
|2 NLM
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| 650 |
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|a EC 4.3.1.24
|2 NLM
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| 650 |
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|a Silicon
|2 NLM
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| 650 |
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|a Z4152N8IUI
|2 NLM
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| 700 |
1 |
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|a Soga, Kouichi
|e verfasserin
|4 aut
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|a Wakabayashi, Kazuyuki
|e verfasserin
|4 aut
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|a Kamisaka, Seiichiro
|e verfasserin
|4 aut
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| 700 |
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|a Fujii, Shuhei
|e verfasserin
|4 aut
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|a Yamamoto, Ryoichi
|e verfasserin
|4 aut
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| 700 |
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|a Hoson, Takayuki
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 164(2007), 4 vom: 08. Apr., Seite 385-93
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:164
|g year:2007
|g number:4
|g day:08
|g month:04
|g pages:385-93
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|a GBV_USEFLAG_A
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|a SYSFLAG_A
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|a GBV_NLM
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|a GBV_ILN_350
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|a AR
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|d 164
|j 2007
|e 4
|b 08
|c 04
|h 385-93
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