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Characterization Of Stewarts Wilt Resistance In Juvenile Pan1 Mutants Of Maize
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Book Synopsis Characterization of Stewart's Wilt Resistance in Juvenile Pan1 Mutants of Maize by : Kaiyue Deng
Download or read book Characterization of Stewart's Wilt Resistance in Juvenile Pan1 Mutants of Maize written by Kaiyue Deng and published by . This book was released on 2017 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bacterium Pantoea stewartii subsp. stewartii is the causal agent of Stewart's Wilt (SW), the most severe bacterial disease that affects sweet corn and maize in north-central and eastern USA. P. stewartii is a vascular pathogen that preferentially colonize the xylem, causing wilting symptoms. Overlapping regions within maize chromosomal bin 1.06 have been identified as multiple disease resistance QTL for both Northern Leaf Blight and Stewart's Wilt. However, the mechanisms behind the resistance QTL remains unknown. Fine mapping analysis reveals that the pan1 gene, that encodes a leucine-rich repeat receptor-like kinase (LRR-RLK) involved in stomatal complex formation, falls within the QTL. Field-grown adult pan1 mutant plants have been shown to have increased resistance to SW, which indicates that pan1 may underlie the resistance QTL. Our project examines how pan1 increases SW resistance in juvenile maize plants via evaluating SW resistance and quantifying PAN1 protein levels in different maize genotypes. We confirmed that juvenile pan1 mutant plants exhibits consistent resistance phenotype by comparing two independent null pan1 mutants to wild type B73. Our results showed that the stomatal defects in pan1 mutants does not cause the resistance phenotype. Unexpectedly, pan1 mutant allele acts in a dominant manner while PAN1 protein level is reduced by about half of the normal amount in leaf division zone of heterozygous pan1 plants. Our results also indicated that insufficient induction of Type III secretion system does not explain the increased SW resistant phenotype in pan1 mutants. These results will guide further investigation in our effort to elucidate the underlying mechanism of pan1 mutants increased SW resistance.
Book Synopsis Detection and Characterization of Erwinia Stewartii by : Wendy J. Wilson
Download or read book Detection and Characterization of Erwinia Stewartii written by Wendy J. Wilson and published by . This book was released on 1995 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plant-microbe Interactions 2 by : Gary Stacey
Download or read book Plant-microbe Interactions 2 written by Gary Stacey and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant-Microbe Interactions, Volume 2 Volume 1 of this series has made its appearance and dealt forcefully with impor tant current topics in the field of plant-microbe interactions. We believe that the quality of those chapters was high and should serve as a focal point for the state of the art as well as an enduring reference. Volume 2 builds upon these accom plishments. Chapter 1 discusses the fascinating lipo-chitin signal molecules from Rhizo bium, aspects regarding their biosynthesis, and the basis for host specificity. These molecules are a cardinal example of how microorganisms influence plant development and stimulate speculation that they have identified a previously un known aspect of plant hormone activity. Chapter 2 continues the discussion of Rhizobium by considering the trafficking of carbon and nitrogen in nodules. Al though the ostensible advantage of nodules to plants is the fixation of atmos pheric nitrogen, the actual process involved in supplying reduced nitrogen to the plant host is complex.
Book Synopsis Genomic Designing for Biotic Stress Resistant Cereal Crops by : Chittaranjan Kole
Download or read book Genomic Designing for Biotic Stress Resistant Cereal Crops written by Chittaranjan Kole and published by Springer Nature. This book was released on 2021-08-31 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents deliberations on molecular and genomic mechanisms underlying the interactions of crop plants to the biotic stresses caused by different diseases and pests that are important to develop resistant crop varieties. Knowledge on the advanced genetic and genomic crop improvement strategies including molecular breeding, transgenics, genomic-assisted breeding, and the recently emerging genome editing for developing resistant varieties in cereal crops is imperative for addressing FHNEE (food, health, nutrition, energy, and environment) security. Whole genome sequencing of these crops followed by genotyping-by-sequencing has provided precise information regarding the genes conferring resistance useful for gene discovery, allele mining, and shuttle breeding which in turn opened up the scope for 'designing' crop genomes with resistance to biotic stresses. The eight chapters each dedicated to a cereal crop in this volume elucidate on different types of biotic stresses and their effects on and interaction with the crop; enumerate on the available genetic diversity with regard to biotic stress resistance among available cultivars; illuminate on the potential gene pools for utilization in interspecific gene transfer; present brief on classical genetics of stress resistance and traditional breeding for transferring them to their cultivated counterparts; depict the success stories of genetic engineering for developing biotic stress-resistant crop varieties; discuss on molecular mapping of genes and QTLs underlying stress resistance and their marker-assisted introgression into elite varieties; enunciate on different genomics-aided techniques including genomic selection, allele mining, gene discovery, and gene pyramiding for developing adaptive crop varieties with higher quantity and quality of yields, and also elaborate some case studies on genome editing focusing on specific genes for generating biotic stress-resistant crops.
Book Synopsis Disease Resistance in Crop Plants by : Shabir Hussain Wani
Download or read book Disease Resistance in Crop Plants written by Shabir Hussain Wani and published by Springer. This book was released on 2019-07-24 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human population is escalating at an enormous pace and is estimated to reach 9.7 billion by 2050. As a result, there will be an increase in demand for agricultural production by 60–110% between the years 2005 and 2050 at the global level; the number will be even more drastic in the developing world. Pathogens, animals, and weeds are altogether responsible for between 20 to 40 % of global agricultural productivity decrease. As such, managing disease development in plants continues to be a major strategy to ensure adequate food supply for the world. Accordingly, both the public and private sectors are moving to harness the tools and paradigms that promise resistance against pests and diseases. While the next generation of disease resistance research is progressing, maximum disease resistance traits are expected to be polygenic in nature and controlled by selective genes positioned at putative quantitative trait loci (QTLs). It has also been realized that sources of resistance are generally found in wild relatives or cultivars of lesser agronomic significance. However, introgression of disease resistance traits into commercial crop varieties typically involves many generations of backcrossing to transmit a promising genotype. Molecular marker-assisted breeding (MAB) has been found to facilitate the pre-selection of traits even prior to their expression. To date, researchers have utilized disease resistance genes (R-genes) in different crops including cereals, pulses, and oilseeds and other economically important plants, to improve productivity. Interestingly, comparison of different R genes that empower plants to resist an array of pathogens has led to the realization that the proteins encoded by these genes have numerous features in common. The above observation therefore suggests that plants may have co-evolved signal transduction pathways to adopt resistance against a wide range of divergent pathogens. A better understanding of the molecular mechanisms necessary for pathogen identification and a thorough dissection of the cellular responses to biotic stresses will certainly open new vistas for sustainable crop disease management. This book summarizes the recent advances in molecular and genetic techniques that have been successfully applied to impart disease resistance for plants and crops. It integrates the contributions from plant scientists targeting disease resistance mechanisms using molecular, genetic, and genomic approaches. This collection therefore serves as a reference source for scientists, academicians and post graduate students interested in or are actively engaged in dissecting disease resistance in plants using advanced genetic tools.
Book Synopsis FIELD PLOT TECHNIQUE by : WARREN H. LEONARD
Download or read book FIELD PLOT TECHNIQUE written by WARREN H. LEONARD and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel Biotechnologies for Biocontrol Agent Enhancement and Management by : Maurizio Vurro
Download or read book Novel Biotechnologies for Biocontrol Agent Enhancement and Management written by Maurizio Vurro and published by Springer Science & Business Media. This book was released on 2007-05-16 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main scientists working with enhancing fungal, bacterial, virus and insect biological control agents on different targets present the latest progress in overcoming the barrier of insufficient virulence. This multi-disciplinary group review their own work and that of others, and describe the approaches being used, the successes and the barriers yet to be overcome. There is no up-to-date equivalent work describing biocontrol, let alone enhanced biocontrol.
Book Synopsis Compendium of Corn Diseases by : Gary Phillip Munkvold
Download or read book Compendium of Corn Diseases written by Gary Phillip Munkvold and published by . This book was released on 2016 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Durability of Disease Resistance by : Th. Jacobs
Download or read book Durability of Disease Resistance written by Th. Jacobs and published by Springer Science & Business Media. This book was released on 2012-02-02 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: From February 24 -28, 1992 an international symposium on Durability of Disease Resistance was held at the International Agricultural Centre in Wageningen, the Netherlands. The symposium, organized by the Department of Plant Breeding of Wageningen Agricultural University and the Centre for Plant Breeding and Repro duction Research, CPRO-DLO, was part of the DGIS funded programme Durable Resistance in Developing Countries. Without any form of prevention or protection nearly all crops will be seriously or even severely damaged by a range of pathogens. In modern agriculture man has been able to control many if not most pathogens using i) pesticides, ii) phyto sanitary methods such as control of seed and plant material in order to start a crop disease free, iii) agronomic measures such as crop rotation, iv) disease resis tance or combinations of these measures. Over the years the use of pesticides has increased enormously and so did the pro blems associated with pesticide use, such as environmental pollution and building of resistance and tolerance to these pesticides in the pathogens. The use of resis tance too increased strongly over the years and here too problems arose.
Book Synopsis Potato Biology and Biotechnology by : Dick Vreugdenhil
Download or read book Potato Biology and Biotechnology written by Dick Vreugdenhil and published by Elsevier. This book was released on 2011-08-31 with total page 857 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past 15-20 years major discoveries have been concluded on potato biology and biotechnology. Important new tools have been developed in the area of molecular genetics, and our understanding of potato physiology has been revolutionized due to amenability of the potato to genetic transformation. This technology has impacted our understanding of the molecular basis of plant-pathogen interaction and has also opened new opportunities for the use of the potato in a variety of non-food biotechnological purposes. This book covers the potato world market as it expands further into the new millennium. Authors stress the overriding need for stable yields to eliminate human hunger and poverty, while considering solutions to enhance global production and distribution. It comprehensively describes genetics and genetic resources, plant growth and development, response to the environment, tuber quality, pests and diseases, biotechnology and crop management. Potato Biology is the most valuable reference available for all professionals involved in the potato industry, plant biologists and agronomists. Offers an understanding of the social, economic and market factors that influence production and distribution Discusses developments and useful traits in transgenic biology and genetic engineering The first reference entirely devoted to understanding new advances in potato biology and biotechnology
Book Synopsis Golden Age of the Moor by : Ivan Van Sertima
Download or read book Golden Age of the Moor written by Ivan Van Sertima and published by Transaction Pub. This book was released on 1992 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work examines the debt owed by Europe to the Moors for the Renaissance and the significant role played by the African in the Muslim invasions of the Iberian peninsula. While it focuses mainly on Spain and Portugal, it also examines the races and roots of the original North African before the later ethnic mix of the blackamoors and tawny Moors in the medieval period. The study ranges from the Moor in the literature of Cervantes and Shakespeare to his profound influence upon Europe's university system and the diffusion via this system of the ancient and medieval sciences. The Moors are shown to affect not only European mathematics and map-making, agriculture and architecture, but their markets, their music and their machines. The ethnicity of the Moor is re-examined, as is his unique contribution, both as creator and conduit, to the first seminal phase of the industrial revolution.
Book Synopsis Borror and Delong's Introduction to the Study of Insects by : Norman Johnson
Download or read book Borror and Delong's Introduction to the Study of Insects written by Norman Johnson and published by . This book was released on 2020-09-14 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understand the insect world with BORROR AND DELONG�S INTRODUCTION TO THE STUDY OF INSECTS! Combining current insect identification, insect biology, and insect evolution, this biology text provides you with a comprehensive introduction to the study of insects. Numerous figures, bullets, easily understood diagrams, and numbered lists throughout the text help you grasp the material.
Download or read book Hyperion written by John Keats and published by DigiCat. This book was released on 2022-05-17 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Hyperion" is an epic poem by 19th-century English Romantic poet John Keats. It is based on the Titanomachia, and tells of the despair of the Titans after their fall to the Olympians. Keats wrote the poem from late 1818 until the spring of 1819, when he gave it up as having "too many Miltonic inversions." The themes and ideas were picked up again in Keats's The Fall of Hyperion: A Dream, when he attempted to recast the epic by framing it with a personal quest to find truth and understanding. John Keats (1795 – 1821) was an English Romantic poet. The poetry of Keats is characterized by sensual imagery, most notably in the series of odes. Today his poems and letters are some of the most popular and most analyzed in English literature. Table of Contents: Introduction: Life of John Keats by Sidney Colvin Hyperion Book I. Hyperion Book II. Hyperion Book III.
Book Synopsis Post-harvest Pathology by : Dov Prusky
Download or read book Post-harvest Pathology written by Dov Prusky and published by Springer Science & Business Media. This book was released on 2009-12-01 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a collection of papers that includes material presented at the 2008 International Congress for Plant Pathology, this text features research right at the leading edge of the field. The latest findings are particularly crucial in their implications for fruit production; an important market sector where in some areas up to 50 per cent of the crop can be lost after harvest. While post-harvest fruit treatments with fungicides are the most effective means to reduce decay, rising concerns about toxicity have led to the development of alternative approaches to disease control, including biological methods, the subject of three chapters of this book. With several new techniques requiring modification of current post-harvest practices, it is more important than ever to stay abreast of the latest information. Other chapters deal with the mechanisms of host fruit and vegetable resistance, fungal pathogenicity factors and their relationship with the host response, and a number of subjects related to disease assessments before harvest as well as their relationship to the postharvest treatment of fruits and vegetables. The book also includes several useful case studies of crops such as kiwifruit and peaches, where different approaches at the pre- and post-harvest levels are combined to good effect. With food production issues gaining an ever higher profile internationally, this text makes an important contribution to the debate.
Book Synopsis An Introduction to the Study of Insects by : Donald Joyce Borror
Download or read book An Introduction to the Study of Insects written by Donald Joyce Borror and published by Brooks Cole. This book was released on 1989 with total page 904 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text uses a taxonomic approach to introduce students to the science of entomology. Extensive use of identification keys acquaints students with all the families of insects in the United States and Canada and provides means for students to identify 95% or more of the insects found occurring in North America.
Book Synopsis Potato Breeding: Theory and Practice by : John E. Bradshaw
Download or read book Potato Breeding: Theory and Practice written by John E. Bradshaw and published by Springer Nature. This book was released on 2021-04-09 with total page 571 pages. Available in PDF, EPUB and Kindle. Book excerpt: The potato (Solanum tuberosum) is the world’s fourth most important food crop after maize, rice and wheat with 377 million tonnes fresh-weight of tubers produced in 2016 from 19.2 million hectares of land, in 163 countries, giving a global average yield of 19.6 t ha-1 (http://faostat.fao.org). About 62% of production (234 million tonnes) was in Asia (191), Africa (25) and Latin America (18) as a result of steady increases in recent years, particularly in China and India. As a major food crop, the potato has an important role to play in the United Nations “2030 Agenda for Sustainable Development” which started on 1 January 2016 (http://faostat.fao.org). By 2030 the aim is to “ensure access by all people, in particular the poor and people in vulnerable situations, including infants, to safe, nutritious and sufficient food all year round”. By then, the world population is expected to reach 8.5 billion and continue to increase to 9.7 billion in 2050. For potatoes, the need is to increase production and improve nutritional value during a period of climate change, a key aspect of which will be the breeding of new cultivars for a wide range of target environments and consumers. The aim of the book is to help this endeavour by providing detailed information in three parts on both the theory and practice of potato breeding. Part I deals with the history of potato improvement and with potato genetics. Part II deals with breeding objectives, divided into improving yield, quality traits and resistance to the most important diseases and pests of potatoes. Part III deals with breeding methods: first, the use of landraces and wild relatives of potato in introgression breeding, base broadening and population improvement; second, breeding clonally propagated cultivars as a way to deliver potato improvement to farmers’ fields; third, as an alternative, breeding potato cultivars for propagation through true potato seed; and fourth, gene editing and genetic transformation as ways of making further improvements to already successful and widely grown cultivars. Included are marker-assisted introgression and selection of specific alleles, genomic selection of many unspecified alleles and diploid F1 hybrid breeding.
Book Synopsis Trade Practice Rules, September 1, 1935 to June 30, 1945 by : United States. Federal Trade Commission
Download or read book Trade Practice Rules, September 1, 1935 to June 30, 1945 written by United States. Federal Trade Commission and published by . This book was released on 1946 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
