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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2014.12.012
|2 doi
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|a pubmed24n0818.xml
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|a (DE-627)NLM245475990
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|a (NLM)25602611
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|a (PII)S0176-1617(14)00361-7
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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 Ng, Jovyn K T
|e verfasserin
|4 aut
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| 245 |
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|a Lower cell wall pectin solubilisation and galactose loss during early fruit development in apple (Malus x domestica) cultivar 'Scifresh' are associated with slower softening rate
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|c 2015
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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
|b cr
|2 rdacarrier
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|a Date Completed 20.01.2016
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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 Copyright © 2014 Elsevier GmbH. All rights reserved.
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|a Substantial differences in softening behaviour can exist between fruit even within the same species. Apple cultivars 'Royal Gala' and 'Scifresh' soften at different rates despite having a similar genetic background and producing similar amounts of ethylene during ripening. An examination of cell wall metabolism from the fruitlet to the ripe stages showed that in both cultivars pectin solubilisation increased during cell expansion, declined at the mature stage and then increased again during ripening. This process was much less pronounced in the slower softening 'Scifresh' than in 'Royal Gala' at every developmental stage examined, consistent with less cell separation and softening in this cultivar. Both cultivars also exhibited a progressive loss of pectic galactan and arabinan side chains during development. The cell wall content of arabinose residues was similar in both cultivars, but the galactose residue content in 'Scifresh' remained higher than that of 'Royal Gala' at every developmental stage. The higher content of cell wall galactose residue in 'Scifresh' cell walls correlated with a lower β-galactosidase activity and more intense immunolabelling of RG-I galactan side chains in both microscopy sections and glycan microarrays. A high cell wall galactan content has been associated with reduced cell wall porosity, which may restrict access of cell wall-modifying enzymes and thus maintain better structural integrity later in development. The data suggest that the composition and structure of the cell wall at very early development stages may influence subsequent cell wall loosening, and may even predispose the wall's ensuing properties
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabinan
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|a Cell wall
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|a Fruit development
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|a Fruit softening
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|a Galactan
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|a Galactans
|2 NLM
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| 650 |
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|a Plant Extracts
|2 NLM
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| 650 |
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|a Pectins
|2 NLM
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| 650 |
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|a 89NA02M4RX
|2 NLM
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| 650 |
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|a Galactose
|2 NLM
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| 650 |
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|a X2RN3Q8DNE
|2 NLM
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| 700 |
1 |
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|a Schröder, Roswitha
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Brummell, David A
|e verfasserin
|4 aut
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| 700 |
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|a Sutherland, Paul W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hallett, Ian C
|e verfasserin
|4 aut
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| 700 |
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|a Smith, Bronwen G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Melton, Laurence D
|e verfasserin
|4 aut
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| 700 |
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|a Johnston, Jason W
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 176(2015) vom: 15. März, Seite 129-37
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:176
|g year:2015
|g day:15
|g month:03
|g pages:129-37
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| 856 |
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|u http://dx.doi.org/10.1016/j.jplph.2014.12.012
|3 Volltext
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