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Interactions Of Soybean Mosaic Virus With Susceptible And Resistant Lines Of Soybean
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Book Synopsis Interactions of Soybean Mosaic Virus with Susceptible and Resistant Lines of Soybean by : Louis Michael Mansky
Download or read book Interactions of Soybean Mosaic Virus with Susceptible and Resistant Lines of Soybean written by Louis Michael Mansky and published by . This book was released on 1990 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Soybean Mosaic Virus-soybean Interactions by : Chang Won Choi
Download or read book Soybean Mosaic Virus-soybean Interactions written by Chang Won Choi and published by . This book was released on 1991 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interactions Between Alfalfa Mosaic Virus and Soybean Mosaic Virus in Soybean by :
Download or read book Interactions Between Alfalfa Mosaic Virus and Soybean Mosaic Virus in Soybean written by and published by . This book was released on 2008 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Viral synergism occurs when two or more unrelated viruses simultaneously infect the same plant and the multiplication of one of the viruses is enhanced. This is generally associated with no change(s) in multiplication of the other viruses involved. Synergism also results in intensification of symptoms. In mixed-infection, viruses may also interact in an antagonistic manner, where one virus suppresses the replication or accumulation of another virus. This phenomenon is uncommon, and only two cases have been reported where the coat protein (CP) accumulation of one of the viruses has decreased. A number of synergistic interactions studied involve viruses belonging to the Potyviridae family. The increase in CP accumulation of the non-potyviruses in such an interaction has been attributed to the effect of the helper-component proteinase (HC-Pro) of potyviruses. Plant antiviral defense mechanism called "gene silencing". HC-Pro is known as a strong suppressor of gene silencing and represents the first identified and characterized plant viral suppressor of gene silencing. The ability of Soybean mosaic virus (SMV), a member of the Potyviridae family, to interact synergistically with Bean pod mottle virus (BPMV) and Cowpea mosaic virus (CPMV) in mixed-infection in soybean has been demonstrated, but no change in the level of accumulation of CP of SMV was reported. In addition to SMV, soybean is infected by many other potyviruses or non-potyviruses, including Alfalfa mosaic virus (AMV). This research was aimed at studying the interaction of SMV with AMV in mixed-infection in soybean. Two biologically distinct SMV strains and three AMV isolates were used in this study and their interactions in mixed-infection in two different cultivars of soybeans (Williams 82 and Lee 68) were investigated. It was demonstrated that (a) mixed-infection between AMV and SMV can be easily established, irrespective of sequential or simultaneous inoculation of the two viruses; (b) based on CP accumulation and disease phenotype, AMV interaction with SMV is synergistic resulting in enhancement in symptom severity and AMV CP accumulation; (c) synergistic interaction of AMV with SMV is strain and cultivar independent; (d) interaction of SMV with AMV is antagonistic, which is also strain and soybean cultivar-independent.
Book Synopsis Diversity, Identification, Mapping and Pyramiding of Genes for Resistance to Soybean Mosaic Virus [glycine Max (L.) Merr.] by : Innan Gloria Cervantes Martinez
Download or read book Diversity, Identification, Mapping and Pyramiding of Genes for Resistance to Soybean Mosaic Virus [glycine Max (L.) Merr.] written by Innan Gloria Cervantes Martinez and published by . This book was released on 2012 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soybean Mosaic Virus (SMV) is a prevalent viral pathogen transmitted by aphids and via seed, causing significant yield loss and quality reduction. There are seven SMV strain groups (G1 to G7) and three resistance loci (Rsv1, Rsv3, and Rsv4) reported in soybean. New sources of SMV resistance would be valuable for breeding cultivars with durable resistance to multiple strains. The objectives of this research were to analyze genetic diversity of SMV-resistant soybean germplasm at the molecular level; to pyramid three genes from different sources for durable SMV resistance; and to identify and map new genes/alleles for differential reactions to SMV strains. One hundred and fourteen SMV-resistant germplasm genotypes collected worldwide were screened with 98 simple sequence repeat (SSR) markers. The 114 germplasm genotypes were grouped into four clusters with the largest group containing most of Asian genotypes. Rsv1 alleles were found to be most common, while Rsv3 and Rsv4 were rare among all the SMV resistant germplasm tested. PI 96983 (Rsv1) was crossed with Columbia (Rsv3, Rsv4) to pyramid all three SMV resistance genes with the aid of SSR markers. The molecular screening of a F2 plant population derived from PI 96983 x Columbia showed good fit to the expected genotypic ratios at each marker locus; one out of 70 plants was identified to contain three resistance genes in homozygous condition (Rsv1+Rsv3+ Rsv4), while 26 additional plants also contained three genes but at the heterozygous condition. F2:3 lines inoculated with G1 and G7 strains confirmed the presence of specific alleles and SMV resistance. A new SMV resistant parent PI 61944 with unknown gene(s) (Rsv-?) was crossed with the susceptible parent Essex (rsv), and resistant lines PI 96983 (Rsv1), L29 (Rsv3), and V94-5152 (Rsv4) to investigate the inheritance and allelism of SMV resistance. F2 plants were screened with selected SSR markers, and the F2:3 lines were screened with SMV G1 and G7. SMV screening and molecular analysis revealed that the PI 61944 carries a new allele at the Rsv3 locus on linkage group (LG) B2. This research has identified genetic diversity among SMV-resistant soybean germplasm, combined three genes for durable resistance in soybean, and discovered a new SMV resistance allele. These germplasm will be useful in soybean breeding programs where SMV resistance is an objective. This research also demonstrated that SSR technology is extremely useful in marker assisted selection (MAS).
Book Synopsis Nature of the Interaction of Soybean Mosaic Virus and Bean Pod Mottle Virus in Bean and Soybean by : Yih-Shyong Lee
Download or read book Nature of the Interaction of Soybean Mosaic Virus and Bean Pod Mottle Virus in Bean and Soybean written by Yih-Shyong Lee and published by . This book was released on 1971 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic Analysis of Soybean Mosaic Virus (SMV) Resistance Genes in Soybean [glycine Max (L.) Merr.] by : Mariola Klepadlo
Download or read book Genetic Analysis of Soybean Mosaic Virus (SMV) Resistance Genes in Soybean [glycine Max (L.) Merr.] written by Mariola Klepadlo and published by . This book was released on 2016 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soybean mosaic virus (SMV) causes the most serious viral disease in soybean worldwide. Seven SMV strains, G1 - G7, and three independent multi-allelic loci for SMV resistance, Rsv1, Rsv3, and Rsv4, have been identified. In the initial study, 299 soybean germplasm lines were genotyped for Rsv4 region, inoculated with SMV-G1 and G7 strains, and classified into several resistance groups. The Glyma.02g121400 locus was sequenced from ten soybean accessions, and alignment of the sequences revealed three SNPs displaying 100% polymorphic consistency when a soybean genotype carrying the Rsv4 gene was present. A cross between V94-5152 {u00D7} Lee 68 was made to create linkage map revealing a distance of 3.6 cM between the Rsv4 and the closest SNP. Five Rsv4 candidate genes have been proposed in this region. In the second study, three SMV R-genes were pyramided by crossing J05 and V94-5152. The gene-pyramided line GP20, was crossed with Williams 82, F2 plants were genotyped and collated with phenotypic data of F2:3 lines inoculated with SMV-G1 and G7 strains. The results confirmed a successful incorporation of three genes into one soybean line. In the third study, soybean germplasm PI 438307 was crossed to Essex for the inheritance study, and to three differential parents for the allelism test. F2 population and F2:3 lines derived from all four cross combinations were screened with SMV-G7 strain. Additionally, F2 generation of PI 438307 x Essex were genotyped with two SSRs. The results revealed that resistance to SMV in PI 438307 is controlled by a single dominant gene at the Rsv4 locus. PI 438307 plants exhibited a unique symptoms; therefore, a new allele Rsv4-v was assigned to SMV resistance in PI 438307. In the final study, PI 96983 and York were crossed to evaluate allelomorphic relationship between Rsv1 and Rsv1-y. To break possible linkage, 3000 F2-plant population was phenotyped using the SMV-G1 strain. Occurrence of susceptible and segregating lines indicated tight linkage between two genes positioned in a distance of 2.2 cM. The Rsv2 symbol was proposed to be assigned instead of Rsv1-y. Results from this research may accelerate breeding efforts to develop multi-virus resistant crops.
Book Synopsis The Interaction of Soybean Aphid and Soybean Cyst Nematode by : Joshua R. Heeren
Download or read book The Interaction of Soybean Aphid and Soybean Cyst Nematode written by Joshua R. Heeren and published by . This book was released on 2008 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Soybean Breeding by : Felipe Lopes da Silva
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.
Book Synopsis Recent Advances in the Diagnosis and Management of Plant Diseases by : L.P. Awasthi
Download or read book Recent Advances in the Diagnosis and Management of Plant Diseases written by L.P. Awasthi and published by Springer. This book was released on 2015-11-19 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a compilation of the most challenging and significant chapters on the diagnosis and management of important bacterial, fungal, viral, viroid, phytoplasma, non parasitic diseases and various physiological disorders, in various crops. The chapters have been contributed by eminent plant pathologists, having wide experience of teaching and research on various crops with different types of diseases, which cause great economic losses. The book would be very useful for students, teachers and researchers of plant pathology. This book highlights recent advances made in the development of new types of resistance in host plants and alternative strategies for managing plant diseases to improve food quality and reduce the negative public health impact associated with plant diseases. Having entered into 21st century advancements in the Diagnosis of Plant Pathogens and Plant Disease Management need to be closely examined and adequately applied, so that newer challenges facing plant pathology could be adequately addressed in attaining food security for the growing population. Substantial advancements have been made in terms of expanding knowledge base of the biology of plant-microbial interactions, disease management strategies and application and practice of Plant Pathology. Application of molecular biology in Plant Pathology has greatly improved our ability to detect plant pathogens and in increasing our understanding, their ecology and epidemiology. Similarly, new technologies and resources have been evolved for the development of sustainable crop protection systems by different control strategies against various pests and pathogens that are important components of the integrated pest management programme. Natural products and chemical compounds discovered as a result of basic research and molecular mechanisms of pathogenesis have led to the development of “biorational” pesticides. Biological control has been found to be the most significant approach to plant health management during the twentieth century and promises using modern biotechnology, to be even more significant in the twenty-first century.
Download or read book Soybean Genetics Newsletter written by and published by . This book was released on 1987 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plant Resistance to Viruses by : David Evered
Download or read book Plant Resistance to Viruses written by David Evered and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concern about the environmental consequences of the widespread use of pesticides has increased, and evidence of pesticide-resistant virus vectors have continued to emerge. This volume presents a timely survey of the mechanisms of plant resistance and examines current developments in breeding for resistance, with particular emphasis on advances in genetic engineering which allow for the incorporation of viral genetic material into plants. Discusses the mechanisms of innate resistance in strains of tobacco, tomato, and cowpea; various aspects of induced resistance, including the characterization and roles of the pathogenesis-related proteins; antiviral substances and their comparison with interferon; and cross-protection between plant virus strains. Also presents several papers which evaluate the status of genetic engineering as it relates to breeding resistant plants. Among these are discussions of the potential use of plant viruses as gene vectors, gene coding for viral coat protein, satellite RNA, and antisense RNA, and practical issues such as the durability of resistant crop plants in the field.
Book Synopsis Seed-borne plant virus diseases by : K. Subramanya Sastry
Download or read book Seed-borne plant virus diseases written by K. Subramanya Sastry and published by Springer Science & Business Media. This book was released on 2013-01-05 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seeds provide an efficient means in disseminating plant virus and viroid diseases. The success of modern agriculture depends on pathogen free seed with high yielding character and in turn disease management. There is a serious scientific concern about the transmission of plant viruses sexually through seed and asexually through plant propagules. The present book provides the latest information along with the total list of seed transmitted virus and viroid diseases at global level including, the yield losses, diagnostic techniques, mechanism of seed transmission, epidemiology and virus disease management aspects. Additional information is also provided on the transmission of plant virus and virus-like diseases through vegetative propagules. It is also well known that seed transmitted viruses are introduced into new countries and continents during large-scale traffic movements through infected germplasm and plant propogules. The latest diagnostic molecular techniques in different virus-host combinations along with disease management measures have been included. The book shall be a good reference source and also a text book to the research scientists, teachers, students of plant pathology, agriculture, horticulture, life sciences, green house managers, professional entrepreneurs, persons involved in quarantines and seed companies. This book has several important features of seed transmitted virus diseases and is a good informative source and thus deserves a place in almost all university libraries, seed companies and research organizations.
Book Synopsis Genetics and Genomics of Soybean by : Gary Stacey
Download or read book Genetics and Genomics of Soybean written by Gary Stacey and published by Springer Science & Business Media. This book was released on 2008-05-07 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soybean genomics is of great interest as one of the most economically important crops and a major food source. This book covers recent advances in soybean genome research, including classical, RFLP, SSR, and SNP markers; genomic and cDNA libraries; functional genomics platforms; genetic and physical maps; and gene expression profiles. The book is for researchers and students in plant genetics and genomics, plant biology and pathology, agronomy, and food sciences.
Book Synopsis Handbook of Biological Control by : T. W. Fisher
Download or read book Handbook of Biological Control written by T. W. Fisher and published by Elsevier. This book was released on 1999-09-20 with total page 1073 pages. Available in PDF, EPUB and Kindle. Book excerpt: For many years the use of chemical agents such as pesticides and herbicides has been effective in controlling the many varieties of pests that infest both agricultural crops and backyard gardens. However, these pests are gradually becoming resistant to these agents, because the agents themselves are acting as selective factors making the pests better and better able to resist and persist. As a result, the use of biological controlling agents is increasing. This book is a comprehensive and authoritative handbook of biological control.
Book Synopsis Plant Virus-Host Interaction by : R.K. Gaur
Download or read book Plant Virus-Host Interaction written by R.K. Gaur and published by Academic Press. This book was released on 2021-01-12 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant Virus-Host Interaction: Molecular Approaches and Viral Evolution, Second Edition, provides comprehensive coverage of molecular approaches for virus-host interaction. The book contains cutting-edge research in plant molecular virology, including pathogenic viroids and transport by insect vectors, interference with transmission to control viruses, synergism with pivotal coverage of RNA silencing, and the counter-defensive strategies used by viruses to overcome the silencing response in plants. This new edition introduces new, emerging proteins involved in host-virus interactions and provides in-depth coverage of plant virus genes’ interactions with host, localization and expression. With contributions from leading experts, this is a comprehensive reference for plant virologists, molecular biologists and others interested in characterization of plant viruses and disease management. Introduces new, emerging proteins involved during the host-virus interaction and new virus strains that invade new crops through recombination, resorting and mutation Provides molecular approaches for virus-host interaction Highlights RNA silencing and counter-defensive strategies for disease management Discusses the socioeconomic implications of viral spread and mitigation techniques
Book Synopsis 2-D Proteome Analysis Protocols by : Andrew J. Link
Download or read book 2-D Proteome Analysis Protocols written by Andrew J. Link and published by Springer Science & Business Media. This book was released on 2008-02-02 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the completion of sequencing projects and the advancement of a- lytical tools for protein identification, proteomics—the study of the expressed part of the genome—has become a major region of the burgeoning field of functional genomics. High-resolution 2-D gels can reveal virtually all p- teins present in a cell or tissue at any given time, including posttranslationally modified proteins. Changes in the expression and structure of most cellular proteins caused by differentiation or external stimuli can be displayed and eventually identified using 2-D protein gels. 2-D Proteome Analysis Protocols covers all aspects of the use of 2-D protein electrophoresis for the analysis of biological problems. The contri- tors include many of the leaders in the fields of biochemistry and analytical chemistry who were instrumental in the development of high-resolution 2-D gels, immobilized pH gradients, computer analysis, and mass spectromet- based protein identification methodologies. This book is intended as a benchtop manual and guide both for novices to 2-D gels and for those aficionados who wish to try the newer techniques. Any group using protein biochemistry—especially in the fields of molecular biology, biochemistry, microbiology, and cell biology—should find this book eminently useful. 2-D Proteome Analysis Protocols takes the researcher through the c- plete process of working with 2-D protein gels from making the protein - tract to finally identifying the proteins of interest. It includes protocols for generating 2-D protein extracts from most of the standard model organisms, including bacteria, yeast, nematode, Drosophila, plants, mouse, and human.
Book Synopsis Fifty Plants That Changed the Course of History by : Bill Laws
Download or read book Fifty Plants That Changed the Course of History written by Bill Laws and published by Firefly Books. This book was released on 2015-08-18 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fascinating stories of the plants that changed civilizations.
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