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Polyploid and Hybrid Genomicsby Z. Jeffrey Chen
Synopses & Reviews
Understanding the evolutionary consequences of polyploidy and the biological complexity of hybrid vigor or heterosis is a key challenge for geneticists and biologists in the post-genomic era. They share the common aspect that they result from bringing together different genomes. Polyploidy and hybrid vigor have implications for biological diversity, species survival, and trait improvement. Grasping the genomic and molecular underpinning of polyploidy and heterosis could have a significant impact in numerous fields ranging from evolutionary biology, computational biology, genetics, epigenetics, and biotechnology. Moreover, they will no doubt impact the development of sustainable food and biofuel production. Polyploid and Hybrid Genomics provides a timely synthesis of the latest research in the molecular mechanisms that underlie this important genetic and evolutionary process.
Polyploid and Hybrid Genomics is made up of contributions from leading researchers in the field around the world, providing a global and comprehensive view of the subject. The book is divided into three sections: the first two sections explore the genomics of hybrids and of polyploids, respectively. The final section discusses key mechanisms for novelty in polyploids and hybrids.
Providing broad-ranging coverage, and up-to-date information, Polyploid and Hybrid Genomics will be an invaluable resource for geneticists, cropscientists, and evolutionary biologists alike.
Polyploidy plays an important role in biological diversity, trait improvement, and plant species survival. Understanding the evolutionary phenomenon of polyploidy is a key challenge for plant and crop scientists. This book is made up of contributions from leading researchers in the field from around the world, providing a truly global review of the subject. Providing broad-ranging coverage, and up-to-date information from some of the world’s leading researchers, this book is an invaluable resource for geneticists, plant and crop scientists, and evolutionary biologists.
About the Author
Z. Jeffrey Chen is the D. J. Sibley Centennial Professor in Plant Molecular Genetics, at the University of Texas at Austin.
James A. Birchler is Curators’ Professor of Biological Sciences, Division of Biological Sciences, at the University of Missouri.
Table of Contents
Preface: Polyploidy and Hybridity
Jim Birchler and Jeff Chen
Section I Genomics of hybrids
1. Yeast hybrids and polyploids as models in evolutionary studies
2.Transcriptome profiling of Drosophila interspecific hybrids: insights into mechanisms of regulatory divergence and hybrid dysfunction
3. cis- and trans-regulation in Drosophila interspecific hybrids
4. Gene expression and heterosis in maize hybrids
5. Integrating “omics” data and expression QTLs to understand maize heterosis
6.Genomics and heterosis in hexaploid wheat
7. The progress of genomics and heterosis studies in hybrid rice
8. Heterosis: the case for single gene overdominance
Section II Genomics of polyploids
9. Genomics and transcriptomics of photosynthesis in polyploids
10.Chromosomal and gene expression changes in Brassica allopolyploids
11. Dynamics of duplicated gene expression in cotton
12. Reprogramming of gene expression in the genetically stable bread allohexaploid wheat
13. Nucleo-cytoplasmic interaction (NCI) hypothesis of genome evolution and speciation in polyploid plants revisited: Polyploid species-specific chromosomal polymorphisms in wheat
Section III Mechanisms for novelty in hybrids and polyploids
15. Meiosis in polyploids
16. Genomic imprinting: Parental control of gene expression in higher plants
17. Seed development in interploidy hybrids
18. Chromatin and small RNA regulation of nucleolar dominance
19. Genetic rules of heterosis in plants
20. Chromatin and gene expression mechanisms in hybrids
21. Genetic and epigenetic mechanisms for allopolyploidy and hybridity
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