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240124s2024 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1111/nph.19544
|2 doi
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|a pubmed24n1341.xml
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|a (DE-627)NLM367551985
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|a (NLM)38264772
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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 Bureš, Petr
|e verfasserin
|4 aut
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| 245 |
1 |
4 |
|a The global distribution of angiosperm genome size is shaped by climate
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|c 2024
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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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|a Date Completed 22.03.2024
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|a Date Revised 22.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Authors New Phytologist © 2024 New Phytologist Foundation.
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|a Angiosperms, which inhabit diverse environments across all continents, exhibit significant variation in genome sizes, making them an excellent model system for examining hypotheses about the global distribution of genome size. These include the previously proposed large genome constraint, mutational hazard, polyploidy-mediated, and climate-mediated hypotheses. We compiled the largest genome size dataset to date, encompassing 16 017 (> 5% of known) angiosperm species, and analyzed genome size distribution using a comprehensive geographic distribution dataset for all angiosperms. We observed that angiosperms with large range sizes generally had small genomes, supporting the large genome constraint hypothesis. Climate was shown to exert a strong influence on genome size distribution along the global latitudinal gradient, while the frequency of polyploidy and the type of growth form had negligible effects. In contrast to the unimodal patterns along the global latitudinal gradient shown by plant size traits and polyploid proportions, the increase in angiosperm genome size from the equator to 40-50°N/S is probably mediated by different (mostly climatic) mechanisms than the decrease in genome sizes observed from 40 to 50°N northward. Our analysis suggests that the global distribution of genome sizes in angiosperms is mainly shaped by climatically mediated purifying selection, genetic drift, relaxed selection, and environmental filtering
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|a Journal Article
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| 650 |
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4 |
|a UV‐B radiation
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| 650 |
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4 |
|a chromosome size
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| 650 |
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|a flowering plants
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| 650 |
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|a geographic range size
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| 650 |
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|a latitudinal gradient
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| 650 |
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|a nuclear DNA content
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| 650 |
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|a polyploidy
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| 650 |
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|a temperature
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| 700 |
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|a Elliott, Tammy L
|e verfasserin
|4 aut
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|a Veselý, Pavel
|e verfasserin
|4 aut
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| 700 |
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|a Šmarda, Petr
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Forest, Félix
|e verfasserin
|4 aut
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| 700 |
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|a Leitch, Ilia J
|e verfasserin
|4 aut
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| 700 |
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|a Nic Lughadha, Eimear
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Soto Gomez, Marybel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pironon, Samuel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Brown, Matilda J M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Šmerda, Jakub
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zedek, František
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 242(2024), 2 vom: 21. März, Seite 744-759
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:242
|g year:2024
|g number:2
|g day:21
|g month:03
|g pages:744-759
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|u http://dx.doi.org/10.1111/nph.19544
|3 Volltext
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