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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2022.153837
|2 doi
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|a pubmed24n1159.xml
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|a (DE-627)NLM347942113
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|a (NLM)36279633
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|a (PII)S0176-1617(22)00223-1
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Kang, Sang Gu
|e verfasserin
|4 aut
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|a Genetic analysis of a DROOPING LEAF mutant allele dl-6 associated with a twisted and folded leaf base caused by a deficiency in midrib development in rice
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|c 2022
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|a Text
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|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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|2 rdacarrier
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|a Date Completed 22.11.2022
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|a Date Revised 22.11.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier GmbH. All rights reserved.
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|a The failure of midrib formation in rice leaf blades results in the drooping leaf (dl) phenotype. A normal DROOPING LEAF (DL) gene is necessary for leaf homeotic transformation, which affects midrib and pistil development. Genetic analysis was performed on a new drooping leaf (dl) mutant named dl-6 in rice. The dl-6 allelic mutant exhibited drooping leaves that were severely folded and twisted at the base but had normal flower structure. The dl-6 allele is a nuclear recessive trait that fits a 3:1 Mendelian segregation ratio. The dl-6 mutant leaves displayed an abnormal main vein (midrib-less) with undeveloped aerenchyma and vascular bundles, resulting in severe leaf drooping. The lack of a midrib in dl-6 caused weak mechanical support, which resulted in folding at the collar junction of the leaf base and downward bending. Through genetic mapping, the dl-6 allele was identified at approximately 28.2 cM on rice chromosome 3. The allele was caused by mutations within the DL (LOC_Os03g11600.1) gene, with specific amino acid substitutions and additions in the encoded protein of the YABBY transcription factor. The dl-6 mutant is a recessive allele encoding a dysfunctional YABBY transcription factor that regulates leaf midrib development and aerenchymatous clear cell structures, leading to a drooping leaf phenotype in rice
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|a Journal Article
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|a DROOPING LEAF
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|a Genetic map
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|a Homeotic transformation
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|a YABBY transcription factor
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|a midrib development
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|a Plant Proteins
|2 NLM
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|a Transcription Factors
|2 NLM
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|a Lee, Dong Sun
|e verfasserin
|4 aut
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|a Do, Geum Sook
|e verfasserin
|4 aut
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|a Pandeya, Devendra
|e verfasserin
|4 aut
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|a Matin, Mohammad Nurul
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 279(2022) vom: 15. Dez., Seite 153837
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:279
|g year:2022
|g day:15
|g month:12
|g pages:153837
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|u http://dx.doi.org/10.1016/j.jplph.2022.153837
|3 Volltext
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