Genomic Selection In Plants
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Genomic Selection In Plants
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Author : Ani A. Elias
language : en
Publisher: CRC Press
Release Date : 2022-08-18
Genomic Selection In Plants written by Ani A. Elias and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-18 with Science categories.
Genomic selection (GS) is a promising tool in the field of breeding especially in the era where genomic data is becoming cheaper. The potential of this tool has not been realized due to its limited adaptation in various crops. Marker Assisted Selection (MAS) has been the method of choice for plant breeders while using the genomic information in the breeding pipeline. MAS, however, fails to capture vital minor gene effects while focusing only on the major genes, which is not ideal for breeding advancement especially for quantitative traits such as yield. The main aim of statistical methodologies coming under the umbrella of GS on using the whole genome information is to predict potential candidates for breeding advancement while optimizing the use of resources such as land, manpower, and most importantly time. Lack of proper understanding of the methods and their applications is one of the reasons why breeders shy away from this tool. The book is meant for biologists, especially breeders, and provides a comprehensive idea of the statistical methodologies used in GS, guidance on the choice of models, and design of datasets. The book also encourages the readers to adopt GS by demonstrating the current scenarios of these models in some of the important crops among oilseeds, vegetables, legumes, tuber crops, and cereals. For ease of implementation of GS, the book also provides hands-on scripts on GS data design and modeling in a popular open-source statistical program. Additionally, prospective in GS model development and thereby enhancement in crop improvement programs is discussed.
Genomic Selection For Crop Improvement
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Author : Rajeev K. Varshney
language : en
Publisher: Springer
Release Date : 2017-12-05
Genomic Selection For Crop Improvement written by Rajeev K. Varshney and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-05 with Technology & Engineering categories.
Genomic Selection for Crop Improvement serves as handbook for users by providing basic as well as advanced understandings of genomic selection. This useful review explains germplasm use, phenotyping evaluation, marker genotyping methods, and statistical models involved in genomic selection. It also includes examples of ongoing activities of genomic selection for crop improvement and efforts initiated to deploy the genomic selection in some important crops. In order to understand the potential of GS breeding, it is high time to bring complete information in the form of a book that can serve as a ready reference for geneticist and plant breeders.
Integrating Genomic Selection And Genome Editing Strategies To Accelerate Potato Breeding
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Author : Felix Eugenio Enciso Rodriguez
language : en
Publisher:
Release Date : 2019
Integrating Genomic Selection And Genome Editing Strategies To Accelerate Potato Breeding written by Felix Eugenio Enciso Rodriguez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Electronic dissertations categories.
As a staple food, the potato (Solanum tuberosum L.) plays an important role in human nutrition and it is currently the third most important food crop after rice and wheat. However, the potato crop faces high production losses caused mainly by biotic factors. With the advent of cutting-edge technologies suitable for potatoes, there is an increasing possibility to accelerate genetic progress and variety generation. To contribute to the implementation of genomic strategies to accelerate potato breeding, three different approaches were used. First, whole genome regressions were conducted using additive and dominant allele dosage models for late blight and common scab resistance in tetraploid potatoes. Multiple Single Nucleotide Polymorphisms (SNPs), contribute to late blight resistance, uncovering the introgression history for this trait whereas an unreported locus with a sizable contribution to common scab resistance was detected. Prediction accuracy assessments demonstrated that 90% of the genetic variance could be captured with an additive model, demonstrating the applicability of genomic prediction for tetraploid potato breeding. Second, a genome editing approach was implemented to breakdown the S-RNase -based self incompatibly in diploid potatoes. New S-RNase allelic variants, with flower-restricted expression, were identified in two self-incompatible (SI) diploid potatoes and mapped to chromosome I in a low recombination region. A dual single-guide RNA strategy was used to generate S-RNase knock-out lines producing premature stop codons on each targeted S-RNase allele. Self-compatibility was achieved in T0 knock-outs and stable transmitted to T1 lines. Additionally, Cas-9 free plants were also obtained. Plasticity in the self-compatible response was also observed in wild-type lines, presumably associated with non-stylar and environmental factors. Third, validation of the IPI-O4 -mediated suppression of the RB-based late blight resistance was conducted using in vivo and in vitro approaches. The hypersensitive response (HR) was confirmed when IPI-O1 was co-infiltrated with the RB gene from Solanum bulbocastanum using a heterologous system. However, HR was observed when IPI-O1 and IPI-O4 were infiltrated in transgenic potato lines carrying a synthetic RB gene containing a Coiled-Coil (CC) domain from S. pinnatisectum. Further work should be conducted to confirm this un-reported interaction. Similarly, we could not validate CC-dimerization using yeast-two hybrid assays and therefore more extensive experiments should be conducted to confirm this result. Ultimately, these genomic approaches open a new window to accelerate the generation of new potato varieties. Genomic selection strategies along with targeted mutagenesis will expand the boundaries of both approaches, reducing the potato breeding cycle considerably while maintaining genetic diversity, and providing access to genomic regions with low or null recombination in potatoes.
Genotyping By Sequencing For Crop Improvement
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Author : Humira Sonah
language : en
Publisher: John Wiley & Sons
Release Date : 2022-03-29
Genotyping By Sequencing For Crop Improvement written by Humira Sonah and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-29 with Science categories.
OGENOTYPING BY SEQUENCING FOR CROP IMPROVEMENT A thoroughly up-to-date exploration of genotyping-by-sequencing technologies and related methods in plant science In Genotyping by Sequencing for Crop Improvement, a team of distinguished researchers delivers an in-depth and current exploration of the latest advances in genotyping-by-sequencing (GBS) methods, the statistical approaches used to analyze GBS data, and its applications, including quantitative trait loci (QTL) mapping, genome-wide association studies (GWAS), and genomic selection (GS) in crop improvement. This edited volume includes insightful contributions on a variety of relevant topics, like advanced molecular markers, high-throughput genotyping platforms, whole genome resequencing, QTL mapping with advanced mapping populations, analytical pipelines for GBS analysis, and more. The distinguished contributors explore traditional and advanced markers used in plant genotyping in extensive detail, and advanced genotyping platforms that cater to unique research purposes are discussed, as is the whole-genome resequencing (WGR) methodology. The included chapters also examine the applications of these technologies in several different crop categories, including cereals, pulses, oilseeds, and commercial crops. Genotyping by Sequencing for Crop Improvement also offers: A thorough introduction to molecular marker techniques and recent advancements in the technology Comprehensive explorations of the genotyping of seeds while preserving their viability, as well as advances in genomic selection Practical discussions of opportunities and challenges relating to high throughput genotyping in polyploid crops In-depth examinations of recent advances and applications of GBS, GWAS, and GS in cereals, pulses, oilseeds, millets, and commercial crops Perfect for practicing plant scientists with an interest in genotyping-by-sequencing technology, Genotyping by Sequencing for Crop Improvement will also earn a place in the libraries of researchers and students seeking a one-stop reference on the foundational aspects of – and recent advances in – genotyping-by-sequencing, genome-wide association studies, and genomic selection.
Genomic Selection In Plants
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Author : Siman Peng
language : en
Publisher:
Release Date : 2013
Genomic Selection In Plants written by Siman Peng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Molecular Genetics Genomics And Biotechnology Of Crop Plants Breeding
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Author : Søren K. Rasmussen
language : en
Publisher: MDPI
Release Date : 2020-05-27
Molecular Genetics Genomics And Biotechnology Of Crop Plants Breeding written by Søren K. Rasmussen and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-27 with Science categories.
This Special Issue on molecular genetics, genomics, and biotechnology in crop plant breeding seeks to encourage the use of the tools currently available. It features nine research papers that address quality traits, grain yield, and mutations by exploring cytoplasmic male sterility, the delicate control of flowering in rice, the removal of anti-nutritional factors, the use and development of new technologies for non-model species marker technology, site-directed mutagenesis and GMO regulation, genomics selection and genome-wide association studies, how to cope with abiotic stress, and an exploration of fruit trees adapted to harsh environments for breeding purposes. A further four papers review the genetics of pre-harvest spouting, readiness for climate-smart crop development, genomic selection in the breeding of cereal crops, and the large numbers of mutants in straw lignin biosynthesis and deposition.
Linear Selection Indices In Modern Plant Breeding
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Author : J. Jesus Céron-Rojas
language : en
Publisher: Springer
Release Date : 2018-09-26
Linear Selection Indices In Modern Plant Breeding written by J. Jesus Céron-Rojas and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-26 with Science categories.
This open access book focuses on the linear selection index (LSI) theory and its statistical properties. It addresses the single-stage LSI theory by assuming that economic weights are fixed and known - or fixed, but unknown - to predict the net genetic merit in the phenotypic, marker and genomic context. Further, it shows how to combine the LSI theory with the independent culling method to develop the multistage selection index theory. The final two chapters present simulation results and SAS and R codes, respectively, to estimate the parameters and make selections using some of the LSIs described. It is essential reading for plant quantitative geneticists, but is also a valuable resource for animal breeders.
The Usage Of Genomic Selection Strategy In Plant Breeding
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Author : Mohd Shamshad
language : en
Publisher:
Release Date : 2018
The Usage Of Genomic Selection Strategy In Plant Breeding written by Mohd Shamshad and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with Medicine categories.
Major paradigm shift in plant breeding since the availability of molecular marker technology is that mapping and characterizing the genetic loci that control a trait will lead to improved breeding. Often, one of the rationales for cloning of QTL is to develop the "perfect marker" for MAS, perhaps based on a functional polymorphism. In contrast, an advantage of genomic selection is precisely its black box approach to exploiting genotyping technology to expedite genetic progress. This is an advantage in our view because it does not rely on a "breeding by design" engineering approach to cultivar development requiring knowledge of biological function before the creation of phenotypes. Breeders can therefore use genomic selection without the large upfront cost of obtaining that knowledge. In addition, genomic selection can maintain the creative nature of phenotypic selection which couple's random mutation and recombination to sometimes arrive at solutions outside the engineer's scope. Currently, the lion's share of research on genomic selection has been performed in livestock breeding, where effective population size, extent of LD, breeding objectives, experimental design, and other characteristics of populations and breeding programs are quite different from those of crop species. Nevertheless, a great number of findings within this literature are very illuminating for genomic selection in crops and should be studied and built upon by crop geneticists and breeders. The application of powerful, relatively new statistical methods to the problem of high dimensional marker data for genomic selection has been nearly as important to the development of genomic selection as the creation of high-density marker platforms and greater computing power. The methods can be classified by what type of genetic architecture they try to capture.
Advances In Wheat Genetics From Genome To Field
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Author : Yasunari Ogihara
language : en
Publisher: Springer
Release Date : 2015-09-15
Advances In Wheat Genetics From Genome To Field written by Yasunari Ogihara and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-09-15 with Science categories.
This proceedings is a collection of 46 selected papers that were presented at the 12th International Wheat Genetics Symposium (IWGS). Since the launch of the wheat genome sequencing project in 2005, the arrival of draft genome sequences has marked a new era in wheat genetics and genomics, catalyzing rapid advancement in the field. This book provides a comprehensive review of the forefront of wheat research, across various important topics such as germplasm and genetic diversity, cytogenetics and allopolyploid evolution, genome sequencing, structural and functional genomics, gene function and molecular biology, biotic stress, abiotic stress, grain quality, and classical and molecular breeding. Following an introduction, 9 parts of the book are dedicated to each of these topics. A final, 11th part entitled “Toward Sustainable Wheat Production” contains 7 excellent papers that were presented in the 12th IWGS Special Session supported by the OECD. With rapid population growth and radical climate changes, the world faces a global food crisis and is in need of another Green Revolution to boost yields of wheat and other widely grown staple crops. Although this book focuses on wheat, many of the newly developed techniques and results presented here can be applied to other plant species with large and complex genomes. As such, this volume is highly recommended for all students and researchers in wheat sciences and related plant sciences and for those who are interested in stable food production and food security.
Next Generation Plant Breeding
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Author : Yelda Ozden Çiftçi
language : en
Publisher: BoD – Books on Demand
Release Date : 2018-09-26
Next Generation Plant Breeding written by Yelda Ozden Çiftçi and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-26 with Medical categories.
Following the green revolution and transgenic crop development, another revolutionary progress has been experienced in plant breeding in the last decade with the application of marker-assisted selection (MAS), next-generation sequencing (NGS), and gene editing techniques together with omic technologies, including genomics, transcriptomics, proteomics, and phenomics. Thus, this book is structured into two sections: "Marker-Assisted Breeding" and "RNA-seq and Gene Editing in Plants," which aim to provide a reference for students, instructors, and scientists on recent innovative advances in plant-breeding programs to cultivate crops for tomorrow.