Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 404363
Title Epigenetics in plant tissue culture
Author(s) Smulders, M.J.M.; Klerk, G.J.M. de
Source Plant Growth Regulation 63 (2011)2. - ISSN 0167-6903 - p. 137 - 146.
DOI http://dx.doi.org/10.1007/s10725-010-9531-4
Department(s) WUR Plant Breeding
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) dna methylation - somaclonal variation - oil palm - micropropagated plants - histone methylation - cell culture - hop plants - musa spp. - in-vitro - bushiness
Abstract Plants produced vegetatively in tissue culture may differ from the plants from which they have been derived. Two major classes of off-types occur: genetic ones and epigenetic ones. This review is about epigenetic aberrations. We discuss recent studies that have uncovered epigenetic modifications at the molecular level, viz., changes in DNA methylation and alterations of histone methylation or acetylation. Various studies have been carried out with animals, and with plant cells or tissues that have grown in tissue culture but only little work has been done with shoots generated by axillary branching. We present various molecular methods that are being used to measure epigenetic variation. In micropropagated plants mostly differences in DNA methylation have been examined. Epigenetic changes are thought to underlie various well-known tissue-culture phenomena including rejuvenation, habituation, and morphological changes such as flower abnormalities, bushiness, and tumorous outgrowths in, among others, oil palm, gerbera, Zantedeschia and rhododendron.
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