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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.2008.02590.x
|2 doi
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|a pubmed25n0605.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Bücking, Heike
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Root exudates stimulate the uptake and metabolism of organic carbon in germinating spores of Glomus intraradices
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| 264 |
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|c 2008
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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
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|2 rdacarrier
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| 500 |
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|a Date Completed 03.03.2009
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|a Date Revised 16.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a * Root exudates play a key role during the presymbiotic growth phase and have been shown to stimulate hyphal branching and the catabolic metabolism of arbuscular mycorrhizal (AM) fungal spores. * Here, the effect of root exudates on presymbiotic growth, uptake of exogenous carbon and transcript levels for genes putatively involved in the carbon metabolism of germinating spores were determined. * Crude root exudates led to a slight acceleration of spore germination, increased germ tube branching and stimulated uptake and catabolic metabolism of acetate, and to a greater extent of glucose, but had no effect on gene expression. By contrast, partially purified root exudates increased the transcript levels of acyl-CoA dehydrogenase (ss-oxidation of fatty acids to acetyl-CoA), malate synthase (glyoxylate cycle) and glutamine-fructose-6-phosphate aminotransferase (chitin biosynthesis), but did not differ from crude root exudates in their effect on substrate uptake and respiration. The expression of glycogen synthase (glycogen biosynthesis), glucose-6-phosphate dehydrogenase (pentose phosphate pathway) and neutral trehalase (hydrolysis of trehalose) were only marginally or not affected by root exudates. * Root exudates have an effect on both membrane activity and gene expression and the results are discussed in relation to the catabolic and anabolic metabolism of spores during presymbiotic growth
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|a Journal Article
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|a Acetates
|2 NLM
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|a Plant Exudates
|2 NLM
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|a Carbon
|2 NLM
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| 650 |
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|a 7440-44-0
|2 NLM
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| 700 |
1 |
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|a Abubaker, Jehad
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Govindarajulu, Manjula
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tala, Marie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pfeffer, Philip E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nagahashi, Gerald
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lammers, Peter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shachar-Hill, Yair
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1990
|g 180(2008), 3 vom: 05., Seite 684-695
|w (DE-627)NLM09818248X
|x 0028-646X
|7 nnns
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| 773 |
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|g volume:180
|g year:2008
|g number:3
|g day:05
|g pages:684-695
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