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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.18858
|2 doi
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|a pubmed24n1179.xml
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|a (NLM)36866959
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|a eng
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|a You, Yanrong
|e verfasserin
|4 aut
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|a Arbuscular mycorrhizal fungi-indicative blumenol-C-glucosides predict lipid accumulations and fitness in plants grown without competitors
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 28.04.2023
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|a Date Revised 02.05.2023
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|a published: Print-Electronic
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|a RefSeq: PRJNA889423
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|a Citation Status MEDLINE
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|a © 2023 The Authors New Phytologist © 2023 New Phytologist Foundation.
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|a Hydroxy- and carboxyblumenol C-glucosides specifically accumulate in roots and leaves of plants harboring arbuscular mycorrhizal fungi (AMF). To explore blumenol function in AMF relationships, we silenced an early key-gene in blumenol biosynthesis, CCD1 (carotenoid cleavage dioxygenase 1), in the ecological model plant, Nicotiana attenuata, and analyzed whole-plant performance in comparison with control and CCaMK-silenced plants, unable to form AMF associations. Root blumenol accumulations reflected a plant's Darwinian fitness, as estimated by capsule production, and were positively correlated with AMF-specific lipid accumulations in roots, with relationships that changed as plants matured when grown without competitors. When grown with wild-type competitors, transformed plants with decreased photosynthetic capacity or increased carbon flux to roots had blumenol accumulations that predicted plant fitness and genotype trends in AMF-specific lipids, but had similar levels of AMF-specific lipids between competing plants, likely reflecting AMF-networks. We propose that when grown in isolation, blumenol accumulations reflect AMF-specific lipid allocations and plant fitness. When grown with competitors, blumenol accumulations predict fitness outcomes, but not the more complicated AMF-specific lipid accumulations. RNA-seq analysis provided candidates for the final biosynthetic steps of these AMF-indicative blumenol C-glucosides; abrogation of these steps will provide valuable tools for understanding blumenol function in this context-dependent mutualism
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a AMF-induced lipids
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|a Nicotiana attenuata
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|a arbuscular mycorrhizal fungi
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|a blumenol C-glucoside
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|a carotenoid cleavage dioxygenase 1 (CCD1)
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| 650 |
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|a plant fitness
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|a Lipids
|2 NLM
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|a Ray, Rishav
|e verfasserin
|4 aut
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|a Halitschke, Rayko
|e verfasserin
|4 aut
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| 700 |
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|a Baldwin, Gundega
|e verfasserin
|4 aut
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| 700 |
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|a Baldwin, Ian T
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 238(2023), 5 vom: 03. Juni, Seite 2159-2174
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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|g volume:238
|g year:2023
|g number:5
|g day:03
|g month:06
|g pages:2159-2174
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|u http://dx.doi.org/10.1111/nph.18858
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