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20231226091026.0 |
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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19273
|2 doi
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|a pubmed24n1207.xml
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|a (DE-627)NLM362336342
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|a (NLM)37737036
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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 Jiao, Shuping
|e verfasserin
|4 aut
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| 245 |
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|a Parallel tuning of semi-dwarfism via differential splicing of Brachytic1 in commercial maize and smallholder sorghum
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|c 2023
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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 03.11.2023
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|a Date Revised 03.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 Corteva Agriscience. New Phytologist © 2023 New Phytologist Foundation.
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|a In the current genomic era, the search and deployment of new semi-dwarf alleles have continued to develop better plant types in all cereals. We characterized an agronomically optimal semi-dwarf mutation in Zea mays L. and a parallel polymorphism in Sorghum bicolor L. We cloned the maize brachytic1 (br1-Mu) allele by a modified PCR-based Sequence Amplified Insertion Flanking Fragment (SAIFF) approach. Histology and RNA-Seq elucidated the mechanism of semi-dwarfism. GWAS linked a sorghum plant height QTL with the Br1 homolog by resequencing a West African sorghum landraces panel. The semi-dwarf br1-Mu allele encodes an MYB transcription factor78 that positively regulates stalk cell elongation by interacting with the polar auxin pathway. Semi-dwarfism is due to differential splicing and low functional Br1 wild-type transcript expression. The sorghum ortholog, SbBr1, co-segregates with the major plant height QTL qHT7.1 and is alternatively spliced. The high frequency of the Sbbr1 allele in African landraces suggests that African smallholder farmers used the semi-dwarf allele to improve plant height in sorghum long before efforts to introduce Green Revolution-style varieties in the 1960s. Surprisingly, variants for differential splicing of Brachytic1 were found in both commercial maize and smallholder sorghum, suggesting parallel tuning of plant architecture across these systems
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|a Journal Article
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|a RNA-Seq
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|a crop evolution
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|a gene regulation
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| 650 |
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|a genome-wide association study
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| 650 |
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|a plant architecture
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| 650 |
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|a plant hormones
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| 700 |
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|a Mamidi, Sujan
|e verfasserin
|4 aut
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|a Chamberlin, Mark A
|e verfasserin
|4 aut
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|a Beatty, Mary
|e verfasserin
|4 aut
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|a Thatcher, Shawn
|e verfasserin
|4 aut
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|a Simcox, Kevin D
|e verfasserin
|4 aut
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|a Maina, Fanna
|e verfasserin
|4 aut
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| 700 |
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|a Wang-Nan, Hu
|e verfasserin
|4 aut
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| 700 |
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|a Johal, Gurmukh S
|e verfasserin
|4 aut
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|a Heetland, Lynn
|e verfasserin
|4 aut
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| 700 |
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|a Marla, Sandeep R
|e verfasserin
|4 aut
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|a Meeley, Robert B
|e verfasserin
|4 aut
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|a Schmutz, Jeremy
|e verfasserin
|4 aut
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|a Morris, Geoffrey P
|e verfasserin
|4 aut
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| 700 |
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|a Multani, Dilbag S
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 240(2023), 5 vom: 01. Dez., Seite 1930-1943
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:240
|g year:2023
|g number:5
|g day:01
|g month:12
|g pages:1930-1943
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|u http://dx.doi.org/10.1111/nph.19273
|3 Volltext
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|d 240
|j 2023
|e 5
|b 01
|c 12
|h 1930-1943
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