Parental Effects On Gene Expression In Maize Endosperm Development
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Parental Effects On Gene Expression In Maize Endosperm Development
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Author : Bor-Yaw Lin
language : en
Publisher:
Release Date : 1975
Parental Effects On Gene Expression In Maize Endosperm Development written by Bor-Yaw Lin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Corn categories.
Parental Effects On Gene Expression Im Maize Endosperm Development
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Author : B. V. Lin
language : en
Publisher:
Release Date : 1975
Parental Effects On Gene Expression Im Maize Endosperm Development written by B. V. Lin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.
Regulation Of Gene Expression During Maize Endosperm Development
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Author : Mihai Miclaus
language : en
Publisher:
Release Date : 2011
Regulation Of Gene Expression During Maize Endosperm Development written by Mihai Miclaus and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Corn categories.
My dissertation consists of two chapters that have been formatted into two manuscripts. Both of them relate to endosperm-specific gene expression in maize by a multigene family. Multigenic traits are very common in plants and cause diversity. Nutritional quality is such a trait and one of its factors is the composition and relative expression of storage protein genes, known as zeins in maize. They represent a medium-size gene family distributed over several chromosomes and unlinked locations. Two inbreds were selected to analyze allelic and non-allelic variability among the Îł-zeins. Genes were copied to unlinked sites before and after allotetraploidization of maize, but before transposition enlarged intergenic regions in a haplotype specific manner. Once genes were copied, expression of donor genes was reduced relative to new copies. Epigenetic regulation appeared to have contributed to silencing older copies because some of them could be reactivated when endosperm was maintained as cultured cells. Bisulfite sequencing of the promoter region also showed distinct methylation patterns of separate gene clusters as well as different tissues, possibly reflecting position effects on regulatory mechanisms as a result of inserting copies at unlinked locations. Seed mutants with non-vitreous endosperm play an important role in the regulation of Îł-zein gene expression. Although a number of genes affecting endosperm vitreousness have already been isolated, it has been difficult to clone opaque7 (o7) -- the last in the series of three high-lysine corn mutants -- mainly because of its low penetrance in many genetic backgrounds. To overcome these difficulties, a combination of map-based cloning and transposon tagging was undertaken. An o7 candidate gene, based on map position, contained a 12-bp deletion in the second exon of an acyl-CoA synthetate (ACS)-like gene. A second allele was generated by transposon tagging, with a Dissociation (Ds) element inserting ~500 bp downstream of the deletion, in the same exon. Although zein synthesis appeared to be unaltered in o7-ref and protein accumulation changed only slightly, PBs exhibited striking membrane invaginations. A plausible model consistent with these observations is that the ACS enzyme plays a key role in membrane biogenesis and that altered PBs render the seed non-vitreous.
Maize Kernel Development
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Author : Brian A Larkins
language : en
Publisher: CABI
Release Date : 2017-11-21
Maize Kernel Development written by Brian A Larkins and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-21 with Technology & Engineering categories.
This is an authoritative book that acts as a guide to understanding maize kernel development. Written by a team of experts, it covers topics spanning pre- and post-fertilization events, embryo and endosperm development, grain filling and maturation, and factors influencing crop yield. It explores the significance of maize and other cereal grains, existing hypotheses and research, and important gaps in our knowledge and how we might fill them. This is a valuable resource for researchers of maize and other cereals, and anyone working on basic or applied science in the fields of seed development, plant genetics, and crop physiology.
Maternal Effect Genes In Development
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Author :
language : en
Publisher: Academic Press
Release Date : 2020-06-24
Maternal Effect Genes In Development written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-24 with Science categories.
Current Topics in Developmental Biology series highlights new advances in the field, with this new volume presenting interesting chapters. Each chapter is written by one or more members of an international board of authors. Provides the authority and expertise of leading contributors from an international board of authors Presents the latest release in the Current Topics in Developmental Biology series Includes the latest information on maternal effect genes in development
Handbook Of Maize Its Biology
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Author : Jeff L. Bennetzen
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-12-25
Handbook Of Maize Its Biology written by Jeff L. Bennetzen and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-25 with Science categories.
Handbook of Maize: Its Biology centers on the past, present and future of maize as a model for plant science research and crop improvement. The book includes brief, focused chapters from the foremost maize experts and features a succinct collection of informative images representing the maize germplasm collection.
Handbook Of Maize
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Author : Jeff L. Bennetzen
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-01-16
Handbook Of Maize written by Jeff L. Bennetzen and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-16 with Technology & Engineering categories.
Maize is one of the world’s highest value crops, with a multibillion dollar annual contribution to agriculture. The great adaptability and high yields available for maize as a food, feed and forage crop have led to its current production on over 140 million hectares worldwide, with acreage continuing to grow at the expense of other crops. In terms of tons of cereal grain produced worldwide, maize has been number one for many years. Moreover, maize is expanding its contribution to non-food uses, including as a major source of ethanol as a fuel additive or fuel alternative in the US. In addition, maize has been at the center of the transgenic plant controversy, serving as the first food crop with released transgenic varieties. By 2008, maize will have its genome sequence released, providing the sequence of the first average-size plant genome (the four plant genomes that are now sequenced come from unusually tiny genomes) and of the most complex genome sequenced from any organism. Among plant science researchers, maize has the second largest and most productive research community, trailing only the Arabidopsis community in scale and significance. At the applied research and commercial improvement levels, maize has no peers in agriculture, and consists of thousands of contributors worthwhile. A comprehensive book on the biology of maize has not been published. The "Handbook of Maize: the Genetics and Genomics" center on the past, present and future of maize as a model for plant science research and crop improvement. The books include brief, focused chapters from the foremost maize experts and feature a succinct collection of informative images representing the maize germplasm collection.
Homology Effects
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Author :
language : en
Publisher: Elsevier
Release Date : 2002-04-02
Homology Effects written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-04-02 with Science categories.
Homology Effects offers contributions from an international panel of researchers whose aim has been both to introduce newcomers to the field of homology effects, and to bring colleagues up to date. Topic coverage includes dosage compensation, X-inactivation, imprinting, paramutation, homology-dependent gene silencing, transvection, pairing-sensitive silencing, nuclear organization of chromosomes, DNA repair, quelling, RIP, RNAi and antisense biology, homology effects in ciliates, prion biology, and a discourse on the evolution of gene duplications. Advances in Genetics presents an eclectic mix of articles of use to all human and molecular geneticists. They are written and edited by recognized leaders in the field and make this an essential series of books for anyone in the genetics field. Homology, the examination of similarity due to shared common ancestry, encompasses a fascinating class of phenomena in mammals, plants, insects, ciliates, nematodes, fungi, and bacteria. Homology effects concern processes that recognize homology at the level of DNA and/or RNA, as well as at the level of protein. Their collective history begins at the turn of the century and includes some of the most puzzling and extraordinary observations in biology. The volume covers phenomena that have often been considered unusual, exceptional to the rule, and "out of the ordinary" and, therefore, not for general study. However, it is now becoming clear that taken together, these phenomena represent a class of regulatory mechanisms that are widespread, as well as exceptionally powerful.
Epigenetics In Plants Of Agronomic Importance Fundamentals And Applications
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Author : Raúl Alvarez-Venegas
language : en
Publisher: Springer
Release Date : 2014-07-22
Epigenetics In Plants Of Agronomic Importance Fundamentals And Applications written by Raúl Alvarez-Venegas and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-22 with Science categories.
Over the past decades, chromatin remodelling has emerged as an important regulator of gene expression and plant defense. This book provides a detailed understanding of the epigenetic mechanisms involved in plants of agronomic importance. The information presented here is significant because it is expected to provide the knowledge needed to develop in the future treatments to manipulate and selectively activate/inhibit proteins and metabolic pathways to counter pathogens, to treat important diseases and to increase crop productivity. New approaches of this kind and the development of new technologies will certainly increase our knowledge of currently known post-translational modifications and facilitate the understanding of their roles in, for example, host-pathogen interactions and crop productivity. Furthermore, we provide important insight on how the plant epigenome changes in response to developmental or environmental stimuli, how chromatin modifications are established and maintained, to which degree they are used throughout the genome, and how chromatin modifications influence each another.
The Role And Nature Of Genic Balance In Endosperm Development
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Author : Stephen Albert Johnston
language : en
Publisher:
Release Date : 1980
The Role And Nature Of Genic Balance In Endosperm Development written by Stephen Albert Johnston and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Endosperm categories.