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231224s2014 xx ||||| 00| ||eng c |
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|a DE-627
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|e rakwb
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|a eng
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|a Siriwardana, Chamindika L
|e verfasserin
|4 aut
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|a Gene Family Analysis of the Arabidopsis NF-YA Transcription Factors Reveals Opposing Abscisic Acid Responses During Seed Germination
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Revised 21.10.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a In the plant kingdom, each of the NUCLEAR FACTOR-Y (NF-Y) transcription factor families, NF-YA, NF-YB, and NF-YC, has undergone a great expansion compared to the animal kingdom. For example, Arabidopsis thaliana has 10 members of each gene family compared to only one in humans. Progress towards understanding the significance of this expansion is limited due to a lack of studies looking at the complete gene family during plant development. In the current study, transgenic overexpression lines were created for all 10 Arabidopsis NF-YA genes and examined for general development and alterations in abscisic acid (ABA)-mediated seed germination. NF-YA overexpression typically led to severe growth retardation and developmental defects, which extended from embryogenesis through to adult plants. Although overexpression of all NF-YA family members consistently led to growth retardation, some transgenic lines were hypersensitive to ABA during germination while others were hyposensitive. The opposing germination phenotypes were associated with the phylogenetic relationships between the NF-YA members. In addition, ABA marker genes were misregulated and ABA induction of gene expression was reduced in the overexpressors. Collectively, this study demonstrates that although NF-Ys have retained high degrees of similarity, they have evolved unique and sometimes opposing roles during plant development
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|a Journal Article
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|a Abscisic acid
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|a Germination
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|a NUCLEAR FACTOR-Y
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|a Plant hormone
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|a Signaling
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|a Transcription factor
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|a Kumimoto, Roderick W
|e verfasserin
|4 aut
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|a Jones, Daniel S
|e verfasserin
|4 aut
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|a Holt, Ben F
|c 3rd
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant molecular biology reporter
|d 1998
|g 32(2014), 5 vom: 28., Seite 971-986
|w (DE-627)NLM098156438
|x 0735-9640
|7 nnns
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| 773 |
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|g volume:32
|g year:2014
|g number:5
|g day:28
|g pages:971-986
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|d 32
|j 2014
|e 5
|b 28
|h 971-986
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