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    Variations in efficiency of plastidial RNA editing within ndh transcripts of perennial ryegrass (Lolium perenne) are not linked to differences in drought tolerance


    van den Bekerom, Rob Jozef Matheus and Dix, Philip and Diekmann, Kerstin and Barth, Susanne (2013) Variations in efficiency of plastidial RNA editing within ndh transcripts of perennial ryegrass (Lolium perenne) are not linked to differences in drought tolerance. AoB PLANTS, 5 (plt035). pp. 1-11. ISSN 2041-2851

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    Abstract

    Maintenance of healthy grasslands is essential for efficient livestock production, yet projected climate change is likely to place a heavy drought stress burden on key grassland species, such as perennial ryegrass (Lolium perenne). It is therefore important to gather an in-depth knowledge of the underlying plant response to this stress. The present study is focused on RNA editing (post-transcriptional nucleotide modifications resulting in altered transcripts) within plastidial transcripts of the NADH:ubiquinone oxidoreductase (NDH) complex (NADH dehydrogenase complex) in relation to the drought response of several accessions of perennial ryegrass. Previous studies have shown that the NDH complex is involved in countering oxidative stress during environmental stresses like drought. Owing to the nature of RNA editing within this complex, the RNA editing machinery could play a potential role in regulating the activity of the NDH complex. The investigation revealed dramatic and reproducible differences in RNA editing efficiency between accessions, but efficiency was not influenced by imposition of drought stress, and a direct relationship between editing behaviour and drought response was not detected.

    Item Type: Article
    Additional Information: This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/ licenses/by/3.0/),whichpermitsunrestrictedreuse, distribution,andreproductioninanymedium, providedtheoriginalwork isproperlycited. The work was funded by Teagasc (Ireland) throughWalsh postgraduate Fellowships to Rob van den Bekerom and Kerstin Diekmann.
    Keywords: Drought stress; Lolium perenne; NDH complex; plastidial RNA editing;
    Academic Unit: Faculty of Science and Engineering > Biology
    Item ID: 5583
    Identification Number: https://doi.org/10.1093/aobpla/plt035
    Depositing User: Prof. Philip J. Dix
    Date Deposited: 04 Dec 2014 12:47
    Journal or Publication Title: AoB PLANTS
    Refereed: Yes
    Funders: Teagasc
    URI:

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