The Medicago Truncatula Genome and Analysis of Nodule-specific Genes PDF Download
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Author: Jing Yi
Publisher:
ISBN:
Category : Genomes
Languages : en
Pages : 258
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Book Description
Author: Jing Yi
Publisher:
ISBN:
Category : Genomes
Languages : en
Pages : 258
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Book Description
Author: Senjuti Sinharoy
Publisher: Springer Nature
ISBN: 3030907570
Category : Science
Languages : en
Pages : 177
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Book Description
This book focuses on the discoveries in M. truncatula genomic research which has been undertaken in the last two decades. Legumes are important for their economic values as food, feed, and fodder and also serve as the pillar of sustainable agriculture because of its biological nitrogen fixation capacity. Medicago truncatula was established as a model legume in the 1990s and has been well adopted as a model internationally since then. M. truncatula is an autogamous, diploid (2n = 16) species with a short generation time, and relatively small genome size (~375 Mbp). The M. truncatula genome was initially sequenced by the International Medicago Genome Annotation Group (IMGAG) in 2011 and has been well-annotated. M. truncatula research benefits from the availability of several genetic and genomic tools, such as gene expression atlas (MtGEA), insertion and neutron bombardment mutant populations, and a HapMap panel containing 384 sequenced inbred lines for genome-wide association studies. This book covers the current status and latest advancements of the M. truncatula genomics and transcriptomics resources along with a glimpse of newly developed tools that makes M. truncatula a front runner model in functional genomic studies.
Author: Frans J. de Bruijn
Publisher: John Wiley & Sons
ISBN: 1119409160
Category : Science
Languages : en
Pages : 1264
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Book Description
Fully covers the biology, biochemistry, genetics, and genomics of Medicago truncatula Model plant species are valuable not only because they lead to discoveries in basic biology, but also because they provide resources that facilitate translational biology to improve crops of economic importance. Plant scientists are drawn to models because of their ease of manipulation, simple genome organization, rapid life cycles, and the availability of multiple genetic and genomic tools. This reference provides comprehensive coverage of the Model Legume Medicago truncatula. It features review chapters as well as research chapters describing experiments carried out by the authors with clear materials and methods. Most of the chapters utilize advanced molecular techniques and biochemical analyses to approach a variety of aspects of the Model. The Model Legume Medicago truncatula starts with an examination of M. truncatula plant development; biosynthesis of natural products; stress and M. truncatula; and the M. truncatula-Sinorhizobium meliloti symbiosis. Symbiosis of Medicago truncatula with arbuscular mycorrhiza comes next, followed by chapters on the common symbiotic signaling pathway (CSSP or SYM) and infection events in the Rhizobium-legume symbiosis. Other sections look at hormones and the rhizobial and mycorrhizal symbioses; autoregulation of nodule numbers (AON) in M. truncatula; Medicago truncatula databases and computer programs; and more. Contains reviews, original research chapters, and methods Covers most aspects of the M. truncatula Model System, including basic biology, biochemistry, genetics, and genomics of this system Offers molecular techniques and advanced biochemical analyses for approaching a variety of aspects of the Model Legume Medicago truncatula Includes introductions by the editor to each section, presenting the summary of selected chapters in the section Features an extensive index, to facilitate the search for key terms The Model Legume Medicago truncatula is an excellent book for researchers and upper level graduate students in microbial ecology, environmental microbiology, plant genetics and biochemistry. It will also benefit legume biologists, plant molecular biologists, agrobiologists, plant breeders, bioinformaticians, and evolutionary biologists.
Author: P. Graham
Publisher: Springer Science & Business Media
ISBN: 9401110883
Category : Science
Languages : en
Pages : 206
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Book Description
During the past three decades there has been a large amount of research on biological nitrogen fixation, in part stimulated by increasing world prices of nitrogen-containing fertilizers and environmental concerns. In the last several years, research on plant--microbe interactions, and symbiotic and asymbiotic nitrogen fixation has become truly interdisciplinary in nature, stimulated to some degree by the use of modern genetic techniques. These methodologies have allowed us to make detailed analyses of plant and bacterial genes involved in symbiotic processes and to follow the growth and persistence of the root-nodule bacteria and free-living nitrogen-fixing bacteria in soils. Through the efforts of a large number of researchers we now have a better understanding of the ecology of rhizobia, environmental parameters affecting the infection and nodulation process, the nature of specificity, the biochemistry of host plants and microsymbionts, and chemical signalling between symbiotic partners. This volume gives a summary of current research efforts and knowledge in the field of biological nitrogen fixation. Since the research field is diverse in nature, this book presents a collection of papers in the major research area of physiology and metabolism, genetics, evolution, taxonomy, ecology, and international programs.
Author: Claudine Elmerich
Publisher: Springer Science & Business Media
ISBN: 9780792348344
Category : Science
Languages : en
Pages : 732
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Book Description
Nitrogen availability is one of the most critical factors that limits plant productivity. The largest reservoir of nitrogen is the atmosphere, but this gaseous molecular nitrogen only becomes available to plants through the biological nitrogen fixation process, which only prokaryotic cells have developed. The discovery that microbes were providing fixed nitrogen to legumes and the isolation of the first nitrogen-fixing bacteria occured at the end the 19th Century, in Louis Pasteur's time. We are now building on more than 100 years of research in this field and looking towards the 21st Century. The International Nitrogen Fixation Congress series Started more than 20 years ago. The format of this Congress is designed to gather scientists from very diverse origins, backgrounds, interests and scientific approaches and is a forum where fundamental knowledge is discussed alongside applied research. This confluence of perspectives is, we believe, extremely beneficial in raising new ideas, questions and concepts.
Author: K. Nicole Holland
Publisher:
ISBN:
Category :
Languages : en
Pages : 80
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Book Description
Nitrogen is an essential nutrient required by all plants. Although the earth's atmosphere consists of approximately 78% nitrogen, it exists in an unusable form for plants. Current agricultural practices rely on industrial nitrogen fixation to produce fertilizers that improve crop productivity. However, this method requires the use of precious natural resources and can cause a variety of negative impacts on the environment and human health. Biologically fixed nitrogen is a favorable alternative accessible to leguminous plants through their symbiotic relationship with soil bacteria called rhizobia. Genetic studies aimed at identifying plant genes related to successful nodulation and nitrogen fixation are underway to help better understand this infection process and improve the performance of legumes in agriculture. To date, over 21,000 Tnt1 mutant lines of Medicago truncatula, a model legume used for genetic research, have been created. Several lines displaying defects in symbiotic nitrogen fixation (SNF) have been identified and are referred to as Fix- mutants. In this research, segregation analysis of the Fix- mutant NF18598 indicated loss of SNF function could be governed by a dominant mutation. A total of 114 Tnt1 insertions were identified in the NF18598 genome using three different sequencing methods. Tnt1-capture sequencing (SC) found the largest number of insertions (70) while the other two methods, thermal asymmetric interlaced PCR (TAIL-PCR) and whole genome sequencing (WGS), found a similar number of insertions (40 and 41, respectively). It was found that 50% of the insertions were located in coding regions. One of the Tnt1 insertions located on chromosome 5 is found within the exon of a phosphatase 2C family protein gene (Medtr5g009370) and is upregulated in nodules. While there was a significant SNF association with Medtr5g009370 in the R1 generation, this association was not detected in the R2 generation. Light microscopy analysis of nodules displayed clear differences between mutant samples identified as either Fix+ or Fix-. The Fix- mutant nodules displayed some cellular organization but distinct developmental zones could not be identified. Infection threads were observed in Fix- nodules that appeared to contain bacteria that had not been released; however, further microscopy analysis must be conducted to verify the presence of rhizobia. In addition, further research involving a larger sample population would help verify if the insertion located in Medtr5g009370 is responsible for the defective nodule phenotype observed and if the phosphatase gene is involved in symbiotic nitrogen fixation.
Author: Luis A. Cañas
Publisher: Humana Press
ISBN: 9781493986323
Category : Science
Languages : en
Pages : 343
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Book Description
This volume discusses popular methods to achieve different types of mutagenesis and forward/reverse genetics in Medicago truncatula. Several studies on genetic control of developmental and metabolic processes in this model legume are also described. The chapters in this book cover topics such as Targeting Induced Local Lesions IN Genomes (TILLING), Fast Neutron Bombardment (FNB), Tnt1 insertional mutagenesis, Virus-Induced Gene Silencing (VIGS), stable inactivation of microRNAs in roots, gene editing by CRISPR-Cas9, etc. This book also contains reviews on the specific use of these techniques in functional studies on the genetic control of seed, leaf, root, nodule, floral and fruit development in M. truncatula. Written for the highly successful Methods in Molecular Biology series format, chapters contain the kind of detailed description and implementation advice needed to promote success in the lab. Cutting-edge and thorough, Functional Genomics in Medicago truncatula: Methods and Protocols is a valuable resource for anyone interested in learning more about this developing field.
Author: Luis A. Cañas
Publisher: Humana
ISBN: 9781493993482
Category : Science
Languages : en
Pages : 343
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Book Description
This volume discusses popular methods to achieve different types of mutagenesis and forward/reverse genetics in Medicago truncatula. Several studies on genetic control of developmental and metabolic processes in this model legume are also described. The chapters in this book cover topics such as Targeting Induced Local Lesions IN Genomes (TILLING), Fast Neutron Bombardment (FNB), Tnt1 insertional mutagenesis, Virus-Induced Gene Silencing (VIGS), stable inactivation of microRNAs in roots, gene editing by CRISPR-Cas9, etc. This book also contains reviews on the specific use of these techniques in functional studies on the genetic control of seed, leaf, root, nodule, floral and fruit development in M. truncatula. Written for the highly successful Methods in Molecular Biology series format, chapters contain the kind of detailed description and implementation advice needed to promote success in the lab. Cutting-edge and thorough, Functional Genomics in Medicago truncatula: Methods and Protocols is a valuable resource for anyone interested in learning more about this developing field.
Author: George R. Waller
Publisher: Springer Science & Business Media
ISBN: 148991367X
Category : Medical
Languages : en
Pages : 605
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Book Description
''A wealth of information...these two volumes will be immensely valuable to anyone having to deal with this difficult group of compounds.'' ---Biochemical Systematics and Ecology, from a review of Saponins Used in Traditional and Modern Medicine and Saponins Used in Food and Agriculture
Author: Colby G. Starker
Publisher:
ISBN:
Category :
Languages : en
Pages : 148
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Book Description
