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Foxtail Mosaic Virus-induced Flowering Assays in Monocot Crops

Yuan, C., Li, H., Qin, C., Zhang, X., Chen, Q., Zhang, P., Xu, X., He, M., Zhang, X., Tör, M. ORCID: https://orcid.org/0000-0002-4416-5048, Xue, D., Wang, H., Jackson, S., He, Y., Shi, N. and Hong, Yiguo (2020) Foxtail Mosaic Virus-induced Flowering Assays in Monocot Crops. Journal of Experimental Botany, 71 (10). pp. 3012-3023. ISSN Online ISSN 1460-2431 - Print ISSN 0022-0957

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Abstract

Virus-induced flowering (VIF) exploits RNA or DNA viruses to express flowering time genes to induce flowering in plants. Such plant virus-based tools have recently attracted widespread attention for their fundamental and applied uses in flowering physiology and in accelerating breeding in dicotyledonous crops and woody fruit-trees. We now extend this technology to a monocot grass and a cereal crop. Using the Foxtail mosaic virus-based VIF system, dubbed FoMViF, we showed that expression of florigenic Flowering Locus T (FT) genes can promote early flowering and spikelet development in proso millet, a C4 grass species with potential for nutritional food and biofuel resources, and in non-vermalized C3 wheat, a major food crop worldwide. Floral and spikelet/grain induction in the two monocot plants was caused by the virally expressed untagged or FLAG-tagged FT orthologues, and the florigenic activity of rice Hd3a was more pronounced than its dicotyledonous counterparts in proso millet. The FoMViF system is easy to perform and its efficacy to induce flowering and early spikelet/grain production is high. In addition to proso millet and wheat, we envisage that FoMViF will be also applicable to many economically important monocotyledonous food and biofuel crops.

Item Type: Article
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Staff and students at the University of Worcester can access the full-text of the article via the official URL. External users should check availability with their local library or Interlibrary Requests Service.

The version of record of Chen Yuan, Hongmei Li, Cheng Qin, Xian Zhang, Qianqian Chen, Pengcheng Zhang, Xiaorui Xu, Meiling He, Xinlian Zhang, Mahmut Tör, Dawei Xue, Huizhong Wang, Stephen Jackson, Yuehui He, Yule Liu, Nongnong Shi, Yiguo Hong, Foxtail mosaic virus-induced flowering assays in monocot crops, Journal of Experimental Botany, Volume 71, Issue 10, 30 May 2020, Pages 3012–3023 is available online at: https://academic.oup.com/jxb/article/71/10/3012/5736523 DOI: https://doi.org/10.1093/jxb/eraa080. Access rights to Published version: Restricted or Subscription Access

Uncontrolled Discrete Keywords: FoMV, Flowering time genes, VIF, Monocots, Proso millet, wheat
Divisions: College of Health, Life and Environmental Sciences > School of Science and the Environment
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Depositing User: Mahmut Tor
Date Deposited: 18 Feb 2020 10:34
Last Modified: 17 Jun 2020 17:34
URI: https://eprints.worc.ac.uk/id/eprint/9180

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