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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erv482
|2 doi
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|a pubmed24n0848.xml
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|a (DE-627)NLM254569803
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|a (NLM)26561437
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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 Olsen, Stian
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Getting ready for host invasion
|b elevated expression and action of xyloglucan endotransglucosylases/hydrolases in developing haustoria of the holoparasitic angiosperm Cuscuta
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| 264 |
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|c 2016
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 25.10.2016
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|a Date Revised 09.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Changes in cell walls have been previously observed in the mature infection organ, or haustorium, of the parasitic angiosperm Cuscuta, but are not equally well charted in young haustoria. In this study, we focused on the molecular processes in the early stages of developing haustoria; that is, before the parasite engages in a physiological contact with its host. We describe first the identification of differentially expressed genes in young haustoria whose development was induced by far-red light and tactile stimuli in the absence of a host plant by suppression subtractive hybridization. To improve sequence information and to aid in the identification of the obtained candidates, reference transcriptomes derived from two species of Cuscuta, C. gronovii and C. reflexa, were generated. Subsequent quantitative gene expression analysis with different tissues of C. reflexa revealed that among the genes that were up-regulated in young haustoria, two xyloglucan endotransglucosylase/hydrolase (XTH) genes were highly expressed almost exclusively at the onset of haustorium development. The same expression pattern was also found for the closest XTH homologues from C. gronovii. In situ assays for XTH-specific action suggested that xyloglucan endotransglucosylation was most pronounced in the cell walls of the swelling area of the haustorium facing the host plant, but was also detectable in later stages of haustoriogenesis. We propose that xyloglucan remodelling by Cuscuta XTHs prepares the parasite for host infection and possibly aids the invasive growth of the haustorium
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Cell wall
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|a Cuscuta
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|a haustorial gene expression
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| 650 |
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4 |
|a haustorium development
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|a parasitic plant
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| 650 |
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|a xyloglucan endotransglucosylase/hydrolase (XTH).
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| 650 |
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|a RNA, Messenger
|2 NLM
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| 650 |
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7 |
|a Glycosyltransferases
|2 NLM
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| 650 |
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|a EC 2.4.-
|2 NLM
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| 650 |
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7 |
|a xyloglucan - xyloglucosyltransferase
|2 NLM
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| 650 |
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7 |
|a EC 2.4.1.207
|2 NLM
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| 700 |
1 |
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|a Striberny, Bernd
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hollmann, Julien
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schwacke, Rainer
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Popper, Zoë
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Krause, Kirsten
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 67(2016), 3 vom: 12. Feb., Seite 695-708
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:67
|g year:2016
|g number:3
|g day:12
|g month:02
|g pages:695-708
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erv482
|3 Volltext
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|d 67
|j 2016
|e 3
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|c 02
|h 695-708
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