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The reciprocal exchange of chemical signals between legume and rhizobium leads to the establishment of Root Nodule Symbiosis (RNS). The discoveries of the Nodulation Factor (NF) and nod genes, along with the discoveries of the relevant genetic plant factors, have expanded our understanding of how legume-rhizobial interactions constitute a successful mutualistic symbiosis. Symbiotic nodule formation can be divided into the following molecular events: (i) the reciprocal exchange of signals; (ii) epidermal recognition of symbiotic partner and infection thread formation; (iii) nodule organogenesis; (iv) the establishment of a microaerophilic environment to provide nitrogenase the ideal condition to work; and, (v) modulation of immunity to host rhizobium inside the nodule cells. The number of nodules in a plant is maintained via a process of systemic signaling, known as ‘autoregulation of nodulation’ (AON), that acts as a negative signal to control nodule number in low nitrogen conditions and inhibit nodule initiation in an optimally nitrogen-fed plant. Over 200 plant genes have been discovered up to now and these discoveries have given us a broad understanding of RNS.
This book is primarily intended for looking up Zi Wei Dou Shu terms by users who do not know about ZWDS and beginners rather than a ZWDS chart reading guide book. However, if you have a grasp of the book, you will naturally know how to read a ZWDS chart. It is because the book helps you understand each brick and general structure of a house. Once you have a solid understanding, you can naturally build the house. All learning subjects have static and dynamic aspects. The static part is temporarily acquired by the learner, usually consisting of prerequisites and conceptual definitions. The static part is inherited from previous scholars and classic texts. The dynamic part is the result of the user's experience and the consolidation of knowledge. There are exceptional users who have the ability to revisit and upgrade the static part, such as Albert Einstein. But for most of us, when we first learn, we have to absorb the classical knowledge first and then apply and transform it later. Within the framework of this book, the terms are only explained in the most basic way to give you an idea and visualization, rather than providing complete and perfect explanations.
The book is about the revival of China in the 20th century and the first decade of the 21st century. It has eight parts: (1) The civil revolution in China, (2) The countryside bases, (3) The Long Match of the Red Army, (4) The Anti Japanese War, (5) Decisive civil battles before the establishment of the People’s Republic of China, (6) The Mao Era before the Great Cultural Revolution, (7) The Great Cultural Revolution, and (8) The Reform and opening up. This version of the book is with pictures.
Since Christianity was re-introduced to China in the early nineteenth century, Chinese Christianity has undergone a holistic “transfiguration” which both truthfully restores ante-Nicene Christianity and successfully adapts to the cultural contexts of Chinese and other societies. The theoretical and theological diversity of this book is consistent with that of traditional Chinese religious writings as well as that of the ante-Nicene fathers but may be deemed un-theoretical, un-academic, or un-theological by those theologians who received Western theological training, as that tends to be too hegemonic, emotionless, and archaic in the eyes of lay believers.
The Second International Symposium on Constitutive Modeling of Geomaterials: Advances and New Applications (IS-Model 2012), is to be held in Beijing, China, during October 15-16, 2012. The symposium is organized by Tsinghua University, the International Association for Computer Methods and Advances in Geomechanics (IACMAG), the Committee of Numerical and Physical Modeling of Rock Mass, Chinese Society for Rock Mechanics and Engineering, and the Committee of Constitutive Relations and Strength Theory, China Institution of Soil Mechanics and Geotechnical Engineering, China Civil Engineering Society. This Symposium follows the first successful International Workshop on Constitutive Modeling hel...
The book is the volume of “The Political History in Sui, Tang and Five Dynasties” among a series of books of “Deep into China Histories”. The earliest known written records of the history of China date from as early as 1250 BC, from the Shang dynasty (c. 1600–1046 BC) and the Bamboo Annals (296 BC) describe a Xia dynasty (c. 2070–1600 BC) before the Shang, but no writing is known from the period The Shang ruled in the Yellow River valley, which is commonly held to be the cradle of Chinese civilization. However, Neolithic civilizations originated at various cultural centers along both the Yellow River and Yangtze River. These Yellow River and Yangtze civilizations arose millennia ...
As a result of the environmental impacts associated with chemical fertilizer misuse, society has turned its attention to alternative and sustainable forms of plant nutrition. By providing substances that would otherwise be scarce, plant growth-promoting bacteria (PGPBs) can influence the availability of nutrients, directly affecting plants' metabolism. In addition to fixing nitrogen, and solubilizing phosphorus, and iron, they also produce hormones such as auxins, gibberellins, cytokinin's, and ethylene). Studies with PGPB around the world must be directed towards biological control and growth promotion integrated into a sustainable management system. Gradually, the problems identified in research with biological control are being solved. However, erratic results regarding the bacterization of cultures frustrate researchers and result from a lack of understanding of plant-microorganism interactions dynamics under various environmental conditions.