Plant Epigenetics (Annual Plant Reviews, Volume 19) by Peter Meyer

By Peter Meyer

With the invention of RNAi pathways and the histone code, epigenetics has develop into a well-liked and quick evolving study subject. Plant technology has made a few common contributions to this box, and the typical parts of epigenetic structures have associated learn teams attracted to plant, fungal and animal systems.This quantity offers a complete assessment epigenetic mechanisms and organic tactics in vegetation, illustrating the broader relevance of this examine to paintings in different plant technology parts and on non-plant platforms. It discusses contemporary advances in our wisdom of uncomplicated mechanisms and molecular elements that keep watch over transcriptional and post-transcriptional silencing, an figuring out of that's crucial for plant researchers who use transgenic strains for strong expression of a recombinant build or for distinct inactivation of an endogenous gene. those facets may be of certain curiosity to the rural industry.The quantity illustrates the relevance of epigenetic keep an eye on structures to gene rules and plant improvement, analyzing paramutation, genomic imprinting and microRNA-based gene law mechanisms. ultimately, it demonstrates the importance of epigenetic platforms to viral defence and genome organisation.The quantity is directed at researchers and execs in plant molecular genetics, plant biochemistry and plant developmental biology.

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Spoerke, J. , Stacey, S. , Klein, M. , Mackin, N. & Maine, E. M. (2000) EGO-1 is related to RNA-directed RNA polymerase and functions in germ-line development and RNA interference in C. elegans. Current Biology, 10, 169–78. Soppe, W. J. , Huang, M. l. , Jacobsen, S. , Schubert, I. & Fransz, P. F. (2002) DNA methylation controls histone H3 lysine 9 methylation and heterochromatin assembly in Arabidopsis. EMBO Journal, 21, 6549–59. , Van der Hoorn, R. A. , Mol, J. N. M. & Kooter, J. M. (1997) Post transcriptional silencing of chalcone synthase in petunia by inverted transgene repeats.

Very few colleagues recognised the potential of transgenesilencing research to understand how plants use epigenetic strategies for gene regulation, stress response, genome organisation and other vital biological aspects. This aspect has now become more apparent after transgene research has identified various epigenetic mechanisms as part of basic molecular strategies used in different eukaryotic systems. Plant epigenetic research has made substantial contributions, many of which have become relevant or even essential for discoveries in the animal field.

Mette, M. F. & Matzke, A. J. M. (2004) Genetic analysis of RNA-mediated transcriptional gene silencing. Biochimica et Biophysica Acta, 1677, 129–41. Mette, M. , Matzke, M. A. & Matzke, A. J. M. (2000) Transcriptional silencing and promoter methylation triggered by double-stranded RNA. EMBO Journal, 19, 5194–201. , Cluster, P. D. & Flavell, R. B. (1997) RNA-mediated RNA degradation and chalcone synthase A silencing in petunia. Cell, 88, 845–54. , Niedenhof, I. & Saedler, H. (1992) Endogenous and environmental factors influence 35S promoter methylation of a maize A1 gene construct in transgenic petunia and its colour phenotype.

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