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Homologous Recombination and Gene Silencing in Plants - J. Paszkowski

Homologous Recombination and Gene Silencing in Plants

By: J. Paszkowski (Editor)

Hardcover Published: 31st July 1994
ISBN: 9780792327042
Number Of Pages: 385

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Higher eukaryotes are characterized by the allocation of distinct functions to numerous types of differentiated cells. Whereas in animals the well-defined, protected cells of the germ line separate early, germ cells in plants differentiate from somatic cells only after many cycles of mitotic division. Therefore somatic mutations in plants can be transmitted via the germ cells to the progeny. There is thus a clear need for somatic tissues to maintain their genetic integrity in the face of environmental challenges, and two types of interactions have been shown to play important roles in the conservation as well as flexibility of plant genomes: homologous recombination of repeated sequences and silencing of multiplied genes. Sensitive methods have been developed that allow greater insights into the dynamics of the genome. This book summarizes current knowledge and working hypotheses about the frequencies and mechanisms of mitochondrial, plastid, nuclear and viral recombination and the inactivation of repeated genes in plants. Despite rapid developments in the field, it is often not possible to provide final answers. Thus, it is an additional task of this book to define the open questions and future challenges.
The book is addressed to scientists working on plant biology and recombination, to newcomers in the field and to advanced biology students.

List of contributors
Genetic RNA-RNA recombination in positive-stranded RNA viruses of plantsp. 1
Recombination of plant pararetrovirus: Cauliflower mosaic virusp. 25
Recombination in geminiviruses: Mechanisms for maintaining genome size and generating genomic diversityp. 39
Recombination of plant mitochondrial genomesp. 61
Homologous recombination and integration of foreign DNA in plastids of higher plantsp. 83
Intrachromosomal recombination between genomic repeatsp. 95
Substrate specificity of plant recombinases determined in extra-chromosomal recombination systemsp. 123
Plant genes and proteins involved in homologous recombinationp. 157
Homology recognition during T-DNA integration into the plant genomep. 167
Gene replacement in plantsp. 191
Use of site-specific recombination systems in plantsp. 219
Inactivation of repeated genes - DNA-DNA interaction?p. 271
Post-transcriptional inhibition of gene expression: Sense and antisense genesp. 309
Silencing of chitinase expression in transgenic plants: An autoregulatory modelp. 335
Inactivation of maize transposable elementsp. 349
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780792327042
ISBN-10: 0792327047
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 385
Published: 31st July 1994
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 23.5 x 15.5  x 2.54
Weight (kg): 1.64

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