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Biotrophic Plant-Microbe Interactions
Throughout their life, plants interact with all sorts of microbes. Some of these are detrimental and cause disease; some interactions are mutually beneficial for both partners. It is clear that most, if not all, of the interactions are regulated by highly complex checks and balances sustained by signalling and exchange of messengers and nutrients. The interactions where both partners are alive for a significant part of their time together are called biotrophic. In this e-book we bring together 33 articles representing the current state-of-the-art in research about diverse biotrophic plant-microbe associations aimed at describing and understanding how these complex and ubiquitous partnerships work and ultimately support much of the land-based biosphere.
Phytopathology in Plants
This title includes a number of Open Access chapters.This volume includes the latest research into the diseases that affect non-vascular plants. The chapters bring to light the most recent studies of pathogen identification, disease etiology, disease cycles, economic impact, plant disease epidemiology, plant disease resistance, how plant diseases a
Interplay between NO Signalling, ROS and the Antioxidant System in Plants
Over the last decades, nitric oxide (NO) has emerged as an essential player in redox signalling. Reactive oxygen species (ROS) also act as signals throughout all stages of plant life. Because they are potentially harmful for cellular integrity, ROS and NO levels must be tightly controlled, especially by the classical antioxidant system and additional redox-active metabolites and proteins. Recent work provided evidence that NO and ROS influence each other’s biosynthesis and removal. Moreover, novel signalling molecules resulting from the chemical reaction between NO, ROS and plant metabolites have been highlighted, including N2O3, ONOO-, NO2, S-nitrosoglutathione and 8-NO2 cGMP. They are involved in diverse plant physiological processes, the best characterized being stomata regulation and stress defense. Taken together, these new data demonstrate the complex interactions between NO, ROS signalling and the antioxidant system. This Frontiers in Plant Science Research Topic aims to provide an updated and complete overview of this important and rapidly expanding area through original article and detailed reviews.
Wheat Disease Resistance: Diagnosis, Germplasm Mining, and Molecular Breeding
As one of the primary staple crops, wheat feeds around 35% of the world’s population, playing a crucial role in ensuring global food security. Wheat production faces numerous threats, among which pests and diseases cause an estimated 10%-16% loss of global wheat yield. Fortunately, some wheat and its related species carry genes that allow for resistance to one or more diseases during the growing period. How to identify, locate and clone these resistance genes is one of the important keys to rapid and effective wheat breeding for disease-resistant varieties. The utilization of excellent germplasm resources and the cultivation of new varieties cannot be separated from the development of key technologies. Recent innovations in genomic tools have made it possible to edit the susceptible genes in crops, opening up new opportunities in molecular breeding for disease-resistant varieties. Meanwhile, further development of crop variety identification and screening systems to achieve disease-resistant variety isolation and evaluation in a high-precision, high-sensitivity, and high-throughput manner can provide effective technical support for accelerating disease-resistant wheat breeding.
Challenging the Mandate of Heaven
Social science theories of contentious politics have been based almost exclusively on evidence drawn from the European and American experience, and classic texts in the field make no mention of either the Chinese Communist revolution or the Cultural Revolution -- surely two of the most momentous social movements of the twentieth century. Moreover, China's record of popular upheaval stretches back well beyond this century, indeed all the way back to the third century B.C. This book, by bringing together studies of protest that span the imperial, Republican, and Communist eras, introduces Chinese patterns and provides a forum to consider ways in which contentious politics in China might serve to reinforce, refine or reshape theories derived from Western cases.
Molecular Advances in Wheat and Barley
Allohexaploid bread wheat and diploid barley are two of the most cultivated crops in the world. This book reports novel research and reviews concerning the use of modern technologies to understand the molecular bases for wheat and barley improvement. The contributions published in this book illustrate research advances in wheat and barley knowledge using modern molecular techniques. These molecular approaches cover genomic, transcriptomic, proteomic, and phenomic levels, together with new tools for gene identification and the development of novel molecular markers. Overall, the contributions for this book lead to a further understanding of regulatory systems in order to improve wheat and barley performance.
Current Perspectives in microRNAs (miRNA)
Nearly 97% of the human genome is the non-coding DNA, which varies from one species to another, and changes in these sequences are frequently noticed to manifest clinical and circumstantial malfunction. Numerous non-protein-coding genes are recently found to encode microRNAs, which are responsible for RNA-mediated gene silencing through RNA interference (RNAi)-like pathways. MicroRNAs (miRNAs), small single-stranded 17–25 nucleotide RNAs capable of interfering with intracellular messenger RNAs (mRNAs) that contain either complete or partial complementarity, are useful for the design of new therapies against cancer polymorphism and viral mutation. Currently over 1000 native miRNA species fo...
