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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1111/nph.17863
|2 doi
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|a pubmed24n1110.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Liao, Irene T
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Modularity and selection of nectar traits in the evolution of the selfing syndrome in Ipomoea lacunosa (Convolvulaceae)
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|c 2022
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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
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|2 rdacarrier
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|a Date Completed 24.03.2022
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|a Date Revised 24.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 The Authors. New Phytologist © 2021 New Phytologist Foundation.
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|a Although the evolution of the selfing syndrome often involves reductions in floral size, pollen and nectar, few studies of selfing syndrome divergence have examined nectar. We investigate whether nectar traits have evolved independently of other floral size traits in the selfing syndrome, whether nectar traits diverged due to drift or selection, and the extent to which quantitative trait locus (QTL) analyses predict genetic correlations. We use F5 recombinant inbred lines (RILs) generated from a cross between Ipomoea cordatotriloba and Ipomoea lacunosa. We calculate genetic correlations to identify evolutionary modules, test whether trait divergence was due to selection, identify QTLs and perform correlation analyses to evaluate how well QTL properties reflect genetic correlations. Nectar and floral size traits form separate evolutionary modules. Selection has acted to reduce nectar traits in the selfing I. lacunosa. Genetic correlations predicted from QTL properties are consistent with observed genetic correlations. Changes in floral traits associated with the selfing syndrome reflect independent evolution of at least two evolutionary modules: nectar and floral size traits. We also demonstrate directional selection on nectar traits, which is likely to be independent of selection on floral size traits. Our study also supports the expected mechanistic link between QTL properties and genetic correlations
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|a Journal Article
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| 650 |
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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4 |
|a Ipomoea
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| 650 |
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4 |
|a QTL
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| 650 |
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4 |
|a floral modularity
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| 650 |
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4 |
|a genetic correlations
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| 650 |
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4 |
|a nectar traits
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| 650 |
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4 |
|a phenotypic divergence
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| 650 |
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4 |
|a selection
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| 650 |
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4 |
|a selfing syndrome
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| 650 |
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7 |
|a Plant Nectar
|2 NLM
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| 700 |
1 |
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|a Rifkin, Joanna L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cao, Gongyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rausher, Mark D
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 233(2022), 3 vom: 16. Feb., Seite 1505-1519
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:233
|g year:2022
|g number:3
|g day:16
|g month:02
|g pages:1505-1519
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|u http://dx.doi.org/10.1111/nph.17863
|3 Volltext
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