Contrasting allelic distribution of CO/Hd1 homologues in Miscanthus sinensis from the East Asian mainland and the Japanese archipelago

© The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 66(2015), 14 vom: 19. Juli, Seite 4227-37
1. Verfasser: Nagano, Hironori (VerfasserIn)
Weitere Verfasser: Clark, Lindsay V, Zhao, Hua, Peng, Junhua, Yoo, Ji Hye, Heo, Kweon, Yu, Chang Yeon, Anzoua, Kossonou Guillaume, Matsuo, Tomoaki, Sacks, Erik J, Yamada, Toshihiko
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Bioenergy MITEs. Miscanthus sinensis flowering time gene gene duplication geographical allelic differentiation DNA Transposable Elements
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520 |a The genus Miscanthus is a perennial C4 grass native to eastern Asia and is a promising candidate bioenergy crop for cool temperate areas. Flowering time is a crucial factor governing regional and seasonal adaptation; in addition, it is also a key target trait for extending the vegetative phase to improve biomass potential. Homologues of CONSTANS (CO)/Heading date 1(Hd1) were cloned from Miscanthus sinensis and named MsiHd1. Sequences of MsiHd1 homologues were compared among 24 wild M. sinensis accessions from Japan, 14 from China, and three from South Korea. Two to five MsiHd1 alleles in each accession were identified, suggesting that MsiHd1 consists of at least three loci in the Miscanthus genome. Verifying the open reading frame in MsiHd1, they were classified as putative functional alleles without mutations or non-functional alleles caused by indels. The Neighbor-Joining tree indicated that one of the multiple MsiHd1 loci is a pseudogene locus without any functional alleles. The pseudogene locus was named MsiHd1b, and the other loci were considered to be part of the MsiHd1a multi-locus family. Interestingly, in most Japanese accessions 50% or more of the MsiHd1a alleles were non-functional, whereas accessions from the East Asian mainland harboured only functional alleles. Five novel miniature inverted transposable elements (MITEs) (MsiMITE1-MsiMITE5) were observed in MsiHd1a/b. MsiMITE1, detected in exon 1 of MsiHd1a, was only observed in Japanese accessions and its revertant alleles derived from retransposition were predominantly in Chinese accessions. These differences in MsiHd1a show that the dependency on functional MsiHd1a alleles is different between accessions from the East Asian mainland and Japan 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Bioenergy 
650 4 |a MITEs. 
650 4 |a Miscanthus sinensis 
650 4 |a flowering time gene 
650 4 |a gene duplication 
650 4 |a geographical allelic differentiation 
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700 1 |a Clark, Lindsay V  |e verfasserin  |4 aut 
700 1 |a Zhao, Hua  |e verfasserin  |4 aut 
700 1 |a Peng, Junhua  |e verfasserin  |4 aut 
700 1 |a Yoo, Ji Hye  |e verfasserin  |4 aut 
700 1 |a Heo, Kweon  |e verfasserin  |4 aut 
700 1 |a Yu, Chang Yeon  |e verfasserin  |4 aut 
700 1 |a Anzoua, Kossonou Guillaume  |e verfasserin  |4 aut 
700 1 |a Matsuo, Tomoaki  |e verfasserin  |4 aut 
700 1 |a Sacks, Erik J  |e verfasserin  |4 aut 
700 1 |a Yamada, Toshihiko  |e verfasserin  |4 aut 
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