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Microbes from Hell
Patrick Forterre is a leading expert on archaea and thermophiles, and in Microbes from Hell (originally published as Microbes de l enfer by Belin, 2007) he offers an engaging, colorful overview of Archaea: single-celled microorganisms that were initially found in extreme habitats such as Yellowstone s volcanic hot springs. He starts with a history of Archaea s discovery and the conceptual revolution it sparked in our understanding of life s evolution; then, in the second chapter, he provides a personal account of his own search for thermophiles. In chapter three, Mr. Forterre discusses the challenges of living in high-temperature environments along with the ways in which thermophiles have adapted to them. In chapters four and five, he examines their relationships to other organisms as well as their role in the early evolution of life. Last, he presents the latest discoveries in thermophile research."
Archaeal Cell Envelope and Surface Structures
Archaea and Bacteria have complex cell envelopes that play important roles in several vital cellular processes, including serving as a barrier that protects the cytoplasm from the environment. Along with associated proteinaceous structures, cell envelopes also ensure cell stability, promote motility, mediate adherence to biotic and abiotic surfaces, and facilitate communication with the extracellular environment. While some aspects of the biosynthesis and structure of the cell are similar to the three domains of life, archaeal cell envelopes exhibit several unique characteristics. Moreover, recent analyzes have revealed that many features of cell envelopes can vary greatly between distantly ...
Archaea
This volume provides an overview of well-established methods optimized for diverse archaeal model organisms and is a source of protocols facilitating access to the molecular and cellular biology characterization of these fascinating organisms. Chapters are divided into five parts detailing available genetic tools, molecular and cellular biology methods, strategies to study the ecophysiology of archaea, and classroom protocol. Each main thematic part is also introduced by future-oriented and authoritative primers. Written in the format of the highly successful Methods in Molecular Biology series, each chapter includes an introduction to the topic, lists necessary materials and reagents, includes tips on troubleshooting and known pitfalls, and step-by-step, readily reproducible protocols. Authoritative and cutting-edge, Archaea: Methods and Protocols aims to be a foundation for future studies and to be a source of inspiration for new investigations in the field.
Biocommunication of Archaea
Archaea represent a third domain of life with unique properties not found in the other domains. Archaea actively compete for environmental resources. They perceive themselves and can distinguish between ‘self’ and ‘non-self’. They process and evaluate available information and then modify their behaviour accordingly. They assess their surroundings, estimate how much energy they need for particular goals, and then realize the optimum variant. These highly diverse competences show us that this is possible owing to sign(aling)- mediated communication processes within archaeal cells (intra-organismic), between the same, related and different archaeal species (interorganismic), and betwee...
Origin of Life via Archaea
This book surveys the models for the origin of life and presents a new model starting with shaped droplets and ending with life as polygonal Archaea; it collects the most published micrographs of Archaea (discovered only in 1977), which support this conclusion, and thus provides the first visual survey of Archaea. Origin of Life via Archaea’s purpose is to add a new hypothesis on what are called “shaped droplets”, as the starting point, for flat, polygonal Archaea, supporting the Vesicles First hypothesis. The book contains over 6000 distinct references and micrographs of 440 extant species of Archaea, 41% of which exhibit polygonal phenotypes. It surveys the intellectual battleground ...
Journey of the Mind: How Thinking Emerged from Chaos
Two neuroscientists reveal why consciousness exists and how it works by examining eighteen increasingly intelligent minds, from microbes to humankind—and beyond. Why do you exist? How did atoms and molecules transform into sentient creatures that experience longing, regret, compassion, and even marvel at their own existence? What does it truly mean to have a mind—to think? Science has offered few answers to these existential questions until now. Journey of the Mind is the first book to offer a unified account of the mind that explains how consciousness, language, self-awareness, and civilization arose incrementally out of chaos. The journey begins three billion years ago with the emergen...
Calatoria mintii
Traducere de Walter Fotescu De ce existăm? Cum s-au transformat atomii și moleculele în creaturi conștiente care simt durere, regrete și compasiune sau care se minunează de propria existență? Ce înseamnă cu adevărat să ai minte, să gândești? Până acum, știința a oferit puține răspunsuri la aceste întrebări existențiale. Călătoria minții este prima carte care oferă o expunere unificată a minții și care explică în ce fel conștiința, limbajul, identitatea personală și civilizația au apărut treptat din haos. Călătoria începe cu trei miliarde de ani în urmă, odată cu apariția celei mai simple minți posibile din univers, și ajunge, trecând prin form...
Saving and Spending
Through vibrant, lively images in conjunction with clear, informational text, young readers learn the principles to saving and spending money. Readers are introduced to and encouraged to find the difference between what they need and what they want, and how to make wise choices based on those concepts.
Archaeal Virus-host Interactions
The work presented in this thesis provides novel insights in several aspects of the molecular biology of Archaea, Bacteria and their viruses. The archaeal virus Sulfolobus islandicus rod-shaped virus 2 (SIRV2), has a remarkable infection cycle. Infection with SIRV2 results in the formation of large virus associated pyramids (VAPs) on the host cell surface. The pyramids open during the final step of the infection cycle, to allow the release of virions. This virus release mechanism is unique. The VAPs are formed by self-assembly of one virus-encoded protein, PVAP. VAPs exist as discrete particles, and are baseless pyramids with heptagonal perimeter. The assembly process of the VAPs is describe...
