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The tin1 gene retains the function of promoting tillering in maize
X. Zhang, Z. Lin, J. Wang, H. Liu, L. Zhou, S. Zhong, Y. Li, C. Zhu, J. Liu, Z. Lin,
Jazyk angličtina Země Velká Británie
Typ dokumentu časopisecké články, práce podpořená grantem
Free Medical Journals od 2010
Nature Open Access od 2010-12-01
PubMed Central od 2012
Europe PubMed Central od 2012
ProQuest Central od 2010-01-01
Open Access Digital Library od 2015-01-01
Open Access Digital Library od 2015-01-01
Medline Complete (EBSCOhost) od 2012-11-01
Health & Medicine (ProQuest) od 2010-01-01
ROAD: Directory of Open Access Scholarly Resources od 2010
Odkazy
PubMed
31811145
DOI
10.1038/s41467-019-13425-6
Knihovny.cz E-zdroje
- MeSH
- fenotyp MeSH
- genetické lokusy MeSH
- kukuřice setá genetika růst a vývoj metabolismus MeSH
- lokus kvantitativního znaku MeSH
- regulace genové exprese u rostlin MeSH
- rostlinné geny genetika MeSH
- rostlinné proteiny genetika metabolismus MeSH
- vývoj rostlin genetika fyziologie MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
Sweet maize and popcorn retain tillering growth habit during maize diversification. However, the underlying molecular genetic mechanism remains unknown. Here, we show that the retention of maize tillering is controlled by a major quantitative trait locus (QTL), tin1, which encodes a C2H2-zinc-finger transcription factor that acts independently of tb1. In sweet maize, a splice-site variant from G/GT to C/GT leads to intron retention, which enhances tin1 transcript levels and consequently increases tiller number. Comparative genomics analysis and DNA diversity analysis reveal that tin1 is under parallel selection across different cereal species. tin1 is involved in multiple pathways, directly represses two tiller-related genes, gt1 and Laba1/An-2, and interacts with three TOPLESS proteins to regulate the outgrowth of tiller buds. Our results support that maize tin1, derived from a standing variation in wild progenitor teosinte population, determines tillering retention during maize diversification.
Center for Crop Functional Genomics and Molecular Breeding
Joint Laboratory for International Cooperation in Crop Molecular Breeding Ministry of Education
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- $a Sweet maize and popcorn retain tillering growth habit during maize diversification. However, the underlying molecular genetic mechanism remains unknown. Here, we show that the retention of maize tillering is controlled by a major quantitative trait locus (QTL), tin1, which encodes a C2H2-zinc-finger transcription factor that acts independently of tb1. In sweet maize, a splice-site variant from G/GT to C/GT leads to intron retention, which enhances tin1 transcript levels and consequently increases tiller number. Comparative genomics analysis and DNA diversity analysis reveal that tin1 is under parallel selection across different cereal species. tin1 is involved in multiple pathways, directly represses two tiller-related genes, gt1 and Laba1/An-2, and interacts with three TOPLESS proteins to regulate the outgrowth of tiller buds. Our results support that maize tin1, derived from a standing variation in wild progenitor teosinte population, determines tillering retention during maize diversification.
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