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Author : Marie-Laure Sauer
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.:/5 (613 download)
Download or read book Molecular Approaches in Breeding for Low Linolenic Acid in Soybean Oil written by Marie-Laure Sauer and published by . This book was released on 2005 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Molecular Markers and Genes Associated with Low Palmitic and Low Linolenic Acid Content in N97-3681-11 and N97-3708-13 Soybean Lines written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Soybeans (Glycine max L. Merr.) are a very important source of edible oil in the U.S. Palmitic acid (16:0) is the major saturated fatty acid present in soybean oil and it has been linked to increased risk of coronary diseases. Soybean oil typically contains 110g kg-1 of palmitic acid and it is desirable to decrease its content to 40 g kg-1. To accomplish this objective it is important to study the target genes that control the production of fatty acids in the biosynthetic pathway, involved in de novo fatty acid biosynthesis and triacylglycerol assembly. It is known that at least five recessive alleles condition the low palmitic acid contents of soybean seeds: fap1, fap3, fap*, fapnc and sop1. The fapnc mutation affects the normal function of the enzyme 16:0-ACP thioesterase encoded by the gene FATB1. There are four FATB1 isoforms in soybean: GmFATB1a, GmFATB1b, GmFATB2a, and GmFATB2b. GmFATB1a is deleted in N97-3681-11 and N97-3708-13 lines homozygous for the fapnc mutation, and specific markers were developed for this isoform. The GmFATB1a specific marker accounted 62 to 70% of the genotypic variation in palmitic acid content in two F4 derived populations. It is 100% linked to the locus of interest and should be very useful in marker-assisted selection programs designed to lower the palmitic acid levels of soybean oil. Linolenic acid (18:3) contains three double bonds and is particularly susceptible to oxidation. There are at least three major loci responsible for low 18:3 content in soybean seed oil (fan, fan2 and fan3), and possibly 2 more loci if the fanx allele and the low 18:3 allele from N78-2245 are also independent loci. By decreasing the 18:3 content of soybean oil from its typical level to a level of 30 g kg-1, it may be possible to eliminate or reduce the need for hydrogenation of the oil. The FAD3 gene encodes an omega-3 desaturase that converts 18:2 to 18:3 in the endoplasmic reticulum. It has four highly similar microsomal isoforms: GmFAD3A and GmFAD3.
Author : Alison Rose Willette
Publisher :
ISBN 13 :
Total Pages : 83 pages
Book Rating : 4.:/5 (112 download)
Download or read book Breeding for Improved Oil Quality in High Yielding Soybean Lines Using Molecular Markers for Selecting FAD2-1A. FAD2-1B, FAD3A and FAD3C Mutant Alleles to Produce a High Oleic, Low Linolenic (HOLL) Soybean written by Alison Rose Willette and published by . This book was released on 2018 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ana Maria Camacho Roger
Publisher :
ISBN 13 :
Total Pages : 475 pages
Book Rating : 4.:/5 (137 download)
Download or read book Molecular Markers and Genes Associated with Low Palmitic and Low Linolenic Acid Content in N97-3681-11 and N97-3708-13 Soybean Lines written by Ana Maria Camacho Roger and published by . This book was released on 2006 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: fatty acid composition, leaf, root, pleiotropic effects, low linolenic acid, FAD3 gene, molecular markers, allele specific primers, soybean, FATB gene, low palmitic acid, Boggs, Brim, Corsica, Anand, CAPS.
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Author : Yarmilla Reinprecht
Publisher : National Library of Canada = Bibliothèque nationale du Canada
ISBN 13 : 9780612759923
Total Pages : 292 pages
Book Rating : 4.7/5 (599 download)
Download or read book Investigation of Genetic and Molecular Basis of Low Linolenic Acid, Lipoxygenase-free Soybean (Glycine Max (L.) Merrill) [microform] written by Yarmilla Reinprecht and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 2003 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alaa A. Alaswad
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (91 download)
Download or read book Development of Chemically Mutagenized Soybean Populations for Improving Soybean Seed Oil Content and Forward and Reverse Genetics Screening written by Alaa A. Alaswad and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soybeans are among seeds the common plant foods that contains high protein contents and high oil. The protein provides about 35 to 38 percent of the seeds calories compared to around 20 to 30 percent in other legumes and many animal products. The quality of soy protein is notable and approaches the quality of meat and milk. Unlike many other good sources of protein, soybeans are low in saturated fat and are cholesterol-free. Its proteins provide all the important amino acids, most the amounts needed by humans (NSRL, 2010). As the most consumed vegetable oil in the world, soybean oil has been used substantially in the food industry (Soystats, 2010). Its utilization is determined by its fatty acid composition, with commodity soybean oil typically 13% palmatic acid (16:0), 4% stearic acid (18:0), 20% oleic acid (18:1), 55% linoleic acid (18:2), and 8% linolenic acid (18:3). The change of fatty acid profiles to improve soybean oil quality has been a long time goal of many researchers throughout the world. Biodiesel is an up and coming trend in energy production. Breeding effort can be undertaken in order to produce a higher energy profile soybean oil. Using ethyl-methanesulfonate (EMS) mutagenesis effects on DNA, significant changes to the genes and gene network underlying the protein and oil profile can be achieved. These changes are hard to accomplish using standard breeding techniques. In addition, high amount of linolenic and stearic acid are very important for fuel and biodiesel production, but are not good for food production due to the fact that such oil is oxidized easily and the food goes rancid quickly. However, soybean oil with elevated amount of oleic acid is desirable for food, because this monounsaturated fatty acid improves the nutrition and oxidative stability of soybean oil compared to other oils. In order to improve the quality of soybean oil and processed foods, chemically mutagenized soybeans have been developed in this project. Seeds harvested from individual M3 and M4 plants (from 2 successive years 2012 and 2013) were analyzed for protein content, oil composition, and content. Moreover, seven phenotypic traits including oil analysis (stearic, palmitic, oleic, linolenic and linoleic), seed protein content, weight of the seeds (High yield), seeds color, stem length, germination rates, and branch architecture were collected and analyzed in this project of soybean `Forrest' mutagenized population. The result of this research showed that there were 25 significantly different lines (p
Author : Zhou Zhou
Publisher :
ISBN 13 :
Total Pages : 350 pages
Book Rating : 4.:/5 (124 download)
Download or read book New Sources of Soybean Seed Composition Traits Identified Through Functional Genomics written by Zhou Zhou and published by . This book was released on 2020 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soybean [Glycine max (L.) Merr.] is the world's most widely grown protein/oilseed crop and provides about 70% of global protein meal and 53% of vegetable oil in the United States. Soybean seed oil contains five major fatty acids, from which palmitic acid and stearic acid are two saturated fatty acids, oleic acid improves oxidative stability and linolenic acid is an essential fatty acid for human health. Soybean seed protein and oil are two important quality indices for soybean germplasm breeding. Soluble carbohydrates present in soybean meal provide metabolizable energy in livestock feed. To develop soybean germplasm with improved seed composition traits, it is important to discover novel source of seed fatty acid, protein, and carbohydrates traits. This dissertation aims to develop novel functional genomic technology coupled with an integrated approach for facilitating molecular soybean breeding. In this study, the first objective is to develop a high-throughput TILLING (Targeting Induced Local Lesions IN Genomes) by Target Capture Sequencing (TbyTCS) technology to improve the efficiency of discovering mutations in soybean. The robustness of this technology underlies the high yield of true mutations in genes controlling complex traits in soybean. Soybean mutagenized lines with modified fatty acids composition have been successfully developed to meet the different needs of end users. Altered fatty acids phenotypes have been associated with induced mutations in 3-ketoacyl-acyl carrier protein (ACP) synthase II (GmKASII), Delta-9-stearoyl-acyl carrier protein desaturase (GmSACPD), omega-6 fatty acid desaturase 2 (GmFAD2), and omega-3 fatty acid desaturase (GmFAD3) genes identified through TbyTCS. The second objective is to characterize the soybean acyl-ACP thioesterase gene family through a comprehensive analysis. The additional members have been discovered belonging to 16:0-ACP fatty acid thioesterase (GmFATB) gene family. The mutations at oleoyl-ACP fatty acid thioesterase (GmFATA1A) have been revealed to result in the high seed oleic acid content. The novel alleles of GmFATB genes have also been identified to confer low palmitic acid and high oleic acid phenotypes in soybean seeds. The third objective is to assess the phenotypic variations and correlation among seed composition traits in mutagenized soybean populations. Correlation analyses have been conducted among soybean carbohydrates, protein, and oil content of soybean mutagenized populations and germplasm lines. Chemical mutagenesis played an essential role in soybean breeding to generate novel and desired seed composition traits.
Author : Jeong-Dong Lee
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Breeding Strategy for Improvement of Omega-3 Fatty Acid Through Conventional Breeding, Genetic Mapping, and Genomics in Soybean written by Jeong-Dong Lee and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant-derived omega (ω)-3 polyunsaturated fatty acid is an essential fatty acid in human and animal diets and is a precursor of eicosapentaenoic acid and docosahexaenoic acid, which exists as α-linolenic acid (ALA, ω-3) in plant oil. Several epidemiological studies have revealed the health benefits of regular consumption of ω-3 fatty acid-containing diets. Soybean [Glycine max (L.) Merr.] is one of the major oil crops in the world and has around 8% ALA (ω-3) in seed oil. Soybean-derived ω-3 can be potential alternative sources of ω-3 fatty acids for populations living in countries with high risks of inadequate ω-3 intake. Therefore, increasing ω-3 concentration became an important goal in soybean breeding. Conversely, higher content of ω-3 fatty acids makes seed oil rancid, necessitating chemical hydrogenation, which generates trans fats. Since trans fats have been associated with the heart and other diseases, demand for soybeans with reduced ALA content is growing. In this book chapter, we described the importance of ω-3 fatty acid and consumption of diets with balanced ω-6/ω-3 ratio and discussed breeding and biotechnological means (and integrated approaches) for altering the ω-3 fatty acid content to avoid the need for chemical hydrogenation as well as to improve the ω-6/ω-3 ratio.
Author : D.N. Bharadwaj
Publisher : CRC Press
ISBN 13 : 1351358464
Total Pages : 646 pages
Book Rating : 4.3/5 (513 download)
Download or read book Advanced Molecular Plant Breeding written by D.N. Bharadwaj and published by CRC Press. This book was released on 2018-10-29 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new volume provides a better understanding of molecular plant breeding in order to boost the quality of agriculture produce, to increase crop yields and to provide nutritious food for everyone by 2050. Scientists believe the challenge can be met by implementing new and improved techniques of quantitative trait inheritance in plant breeding. Integrating genomics and molecular biology into appropriate tools and methodologies can help to create genetically engineered plants, such as by using biotic and abiotic stress tolerance, molecular markers, ‘-omics’ technology, and genome editing.
Author : Felipe Lopes da Silva
Publisher : Springer
ISBN 13 : 3319574337
Total Pages : 439 pages
Book Rating : 4.3/5 (195 download)
Download or read book Soybean Breeding written by Felipe Lopes da Silva and published by Springer. This book was released on 2017-06-10 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book was written by soybean experts to cluster in a single publication the most relevant and modern topics in soybean breeding. It is geared mainly to students and soybean breeders around the world. It is unique since it presents the challenges and opportunities faced by soybean breeders outside the temperate world.
Author : Asif M. Iqbal Qureshi
Publisher : Springer
ISBN 13 : 3030046095
Total Pages : 275 pages
Book Rating : 4.0/5 (3 download)
Download or read book Quality Breeding in Field Crops written by Asif M. Iqbal Qureshi and published by Springer. This book was released on 2019-02-15 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Development of superior crops that have consistent performance in quality and in quantity has not received the same emphasis in the field of genetics and breeding as merited. Specialty trait requires special focus to propagate. Yet basic germplasm and breeding methodologies optimized to improve crops are often applied in the development of improved specialty types. However, because of the standards required for specialty traits, methods of development and improvement are usually more complex than those for common commodity crops. The same standards of performance are desired, but the genetics of the specialty traits often impose breeding criteria distinct from those of non-specialty possessing crops. Specifically, quality improvement programs have unique characteristics that require careful handling and monitoring during their development for specific needs. Adding value either via alternative products from the large volumes of grain produced or development of specialty types is of interest to producers and processors. This work assimilates the most topical results about quality improvement with contemporary plant breeding approaches.The objective of this book is to provide a summary of the germplasm, methods of development, and specific problems involved for quality breeding. In total, fourteen chapters, written by leading scientists involved in crop improvement research, provide comprehensive coverage of the major factors impacting specialty crop improvement.
Author : Y. P. S. Bajaj
Publisher : Springer Science & Business Media
ISBN 13 : 3642616259
Total Pages : 622 pages
Book Rating : 4.6/5 (426 download)
Download or read book Crops I written by Y. P. S. Bajaj and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: Production of food to meet the demands of an ever-increasing human population in the world is the major task and challenge to agriculture today. The conventional methods of plant breeding alone can no longer cope with the situation. The success of any crop improvement program depends on the extent of genetic variability in the base population, but due to denuding of forests and agricultural land, the naturally occurring pool of germplasm is being depleted. An urgent need is therefore ap parent to create new variability and increase the genetic base of agricul tural crops. Agricultural biotechnology has progressed to a stage in the produc tion of plants where specific characteristics to improve their yield, ap pearance, disease-resistance, nutritional quality and adaptation to ad verse soil conditions can be built into the seed. This concept of built-in quality implies a continuous scientific endeavour to improve plant char acters using a wide range of possibilities, and it also implies a scrutiny of the materials and methods available in the world today.
Author : Henry T. Nguyen
Publisher : Springer
ISBN 13 : 3319641980
Total Pages : 216 pages
Book Rating : 4.3/5 (196 download)
Download or read book The Soybean Genome written by Henry T. Nguyen and published by Springer. This book was released on 2017-09-20 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines the application of soybean genome sequences to comparative, structural, and functional genomics. Since the availability of the soybean genome sequence has revolutionized molecular research on this important crop species, the book also describes how the genome sequence has shaped research on transposon biology and applications for gene identification, tilling and positional gene cloning. Further, the book shows how the genome sequence influences research in the areas of genetic mapping, marker development, and genome-wide association mapping for identifying important trait genes and soybean breeding. In closing, the economic and botanical aspects of the soybean are also addressed.
Author : Lawrence A. Johnson
Publisher : Elsevier
ISBN 13 : 0128043520
Total Pages : 853 pages
Book Rating : 4.1/5 (28 download)
Download or read book Soybeans written by Lawrence A. Johnson and published by Elsevier. This book was released on 2015-08-08 with total page 853 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive new soybean reference book disseminates key soybean information to “drive success for soybeans via 23 concise chapters covering all aspects of soybeans--from genetics, breeding and quality to post-harvest management, marketing and utilization (food and energy applications), U.S. domestic versus foreign practices and production methods. The most complete and authoritative book on soybeans Features internationally recognized authors in the 21-chapter book Offers sufficient depth to meet the needs of experts in the subject matter, as well as individuals with basic knowledge of the topic
Author : Deka, Pradip Chandra
Publisher : IGI Global
ISBN 13 : 1799843130
Total Pages : 489 pages
Book Rating : 4.7/5 (998 download)
Download or read book Molecular Plant Breeding and Genome Editing Tools for Crop Improvement written by Deka, Pradip Chandra and published by IGI Global. This book was released on 2020-08-07 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant breeders have used mutagenic agents to create variability for their use in crop improvement. However, application of mutagenic agents has its own drawbacks, such as non-specificity and random nature, simultaneous effect on large numbers of genes, and induction of chromosomal aberrations. To overcome these limitations, several genome editing systems have been developed with the aid of cutting-edge technology rooted in the expertise of several research fields. Molecular Plant Breeding and Genome Editing Tools for Crop Improvement is a pivotal reference source that provides an interdisciplinary approach to crop breeding through genetics. Featuring coverage of a broad range of topics including software, molecular markers, and plant variety identification, this book is ideally designed for agriculturalists, biologists, engineers, advocates, policymakers, researchers, academicians, and students.
Author : Guo-Liang Jiang
Publisher : Frontiers Media SA
ISBN 13 : 2832519229
Total Pages : 351 pages
Book Rating : 4.8/5 (325 download)
Download or read book Soybean molecular breeding and genetics written by Guo-Liang Jiang and published by Frontiers Media SA. This book was released on 2023-03-29 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H.K. Jain
Publisher : Springer Science & Business Media
ISBN 13 : 9400710402
Total Pages : 813 pages
Book Rating : 4.4/5 (7 download)
Download or read book Plant Breeding written by H.K. Jain and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 813 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Indian Society of Genetics and Plant Breeding was established in 1941 in recognition of the growing contribution of improved crop varieties to the country's agriculture. Scientific plant breeding had started inIndia soon after the rediscovery of Mendel's laws of heredity. The Indian Agricultural Research Institute set up in 1905 and a number of Agricultural Colleges in different parts of the country carried out some of the earliest work mostly inthe form of pure-line selections. In subsequent years, hybridization programmes in crops like wheat, rice, oilseeds, grain legumes, sugarcane and cotton yielded a large number of improved cultivars with significantly higher yields. A turning point came in the 1960s with the development of hybrids in several crops including inter-specific hybrids in cotton. And when new germplasm with dwarfing genes became available in wheat and rice from CIMMYT and IRRI, respectively,Indian plant breeders quickly incorporated these genes into the genetic background of the country's widely grown varieties with excellent grain quality and other desirable traits. This was to mark the beginning of modem agriculture in India as more and more varieties were developed, characterized by a high harvest index and response to modem farm inputs like the inorganic fertilizers . India's green revolution which has led to major surpluses offood grains and othercommodities like sugar and cotton has been made possible by the work of one of the largest groups of plant breeders working in a coordinated network.
