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Barley and wheat share the same gene controlling the short basic vegetative period

LÜ, R-H, Xu, Y., Boyd, R., Zhang, X-Q, Broughton, S., Jones, M.ORCID: 0000-0001-5002-0227, Li, C. and Chen, Y-F (2013) Barley and wheat share the same gene controlling the short basic vegetative period. Journal of Integrative Agriculture, 12 (10). pp. 1703-1711.

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Basic vegetative period (BVP) is an important trait for determining flowering time and adaptation to variable environments. A short BVP barley mutant is about 30 d shorter than its wild type. Genetic analysis using 557 F2 individuals revealed that the short BVP is governed by a single recessive gene (BVP-1) and was further validated in 2 090 F3 individuals. The BVP-1 gene was first mapped to barley chromosome 1H using SSR markers. Comparative genomic analysis demonstrated that the chromosome region of BVP-1 is syntenic to rice chromosome 5 and Brachypodium chromosome 2. Barley ESTs/genes were identified after comparison with candidate genes in rice and Brachypodium; seven new gene-specific markers were developed and mapped in the mapping populations. The BVP-1 gene co-segregated with the Mot1 and Ftsh4 genes and was flanked by the gene-specific markers AK252360 (0.2 cM) and CA608558 (0.5 cM). Further analysis demonstrated that barley and wheat share the same short BVP gene controlling early flowering.

Item Type: Journal Article
Murdoch Affiliation(s): Western Australian State Agricultural Biotechnology Centre
Publisher: Elsevier Limited
Copyright: © 2013 Chinese Academy of Agricultural Sciences
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