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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14222
|2 doi
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|a pubmed25n0882.xml
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|a eng
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|a Barnard-Kubow, Karen B
|e verfasserin
|4 aut
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| 245 |
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|a Biparental chloroplast inheritance leads to rescue from cytonuclear incompatibility
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|c 2017
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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 12.02.2018
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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 © 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.
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|a Although organelle inheritance is predominantly maternal across animals and plants, biparental chloroplast inheritance has arisen multiple times in the angiosperms. Biparental inheritance has the potential to impact the evolutionary dynamics of cytonuclear incompatibility, interactions between nuclear and organelle genomes that are proposed to be among the earliest types of genetic incompatibility to arise in speciation. We examine the interplay between biparental inheritance and cytonuclear incompatibility in Campanulastrum americanum, a plant species exhibiting both traits. We first determine patterns of chloroplast inheritance in genetically similar and divergent crosses, and then associate inheritance with hybrid survival across multiple generations. There is substantial biparental inheritance in C. americanum. The frequency of biparental inheritance is greater in divergent crosses and in the presence of cytonuclear incompatibility. Biparental inheritance helps to mitigate cytonuclear incompatibility, leading to increased fitness of F1 hybrids and recovery in the F2 generation. This study demonstrates the potential for biparental chloroplast inheritance to rescue cytonuclear compatibility, reducing cytonuclear incompatibility's contribution to reproductive isolation and potentially slowing speciation. The efficacy of rescue depended upon the strength of incompatibility, with a greater persistence of weak incompatibilities in later generations. These findings suggest that incompatible plastids may lead to selection for biparental inheritance
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|a Journal Article
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|a biparental inheritance
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4 |
|a chloroplast
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| 650 |
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4 |
|a cytonuclear incompatibility
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| 650 |
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4 |
|a plastid
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| 650 |
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4 |
|a reproductive isolation
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| 650 |
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4 |
|a speciation
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| 700 |
1 |
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|a McCoy, Morgan A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Galloway, Laura F
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1990
|g 213(2017), 3 vom: 01. Feb., Seite 1466-1476
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:213
|g year:2017
|g number:3
|g day:01
|g month:02
|g pages:1466-1476
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| 856 |
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|u http://dx.doi.org/10.1111/nph.14222
|3 Volltext
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