This pathbreaking book explores how life can begin, taking us from cosmic clouds of stardust, to volcanoes on Earth, to the modern chemistry laboratory. Seeking to understand life's connection to the stars, David Deamer introduces astrobiology, a new scientific discipline that studies the origin and evolution of life on Earth and relates it to the birth and death of stars, planet formation, interfaces between minerals, water, and atmosphere, and the physics and chemistry of carbon compounds. Deamer argues that life began as systems of molecules that assembled into membrane-bound packages. These in turn provided an essential compartment in which more complex molecules assumed new functions required for the origin of life and the beginning of evolution. Deamer takes us from the vivid and unpromising chaos of the Earth four billion years ago up to the present and his own laboratory, where he contemplates the prospects for generating synthetic life. Engaging and accessible, First Life describes the scientific story of astrobiology while presenting a fascinating hypothesis to explain the origin of life.
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Editorial Reviews
Review
"An authoritative voice weighs in on a sprawling debate that's been raging in the scientific community for many decades, and lays out a succinct and persuasive hypothesis for the origin of life on Earth."--The Scientist
"Engaging. . . . [Deamer] gives us an enriched sense of how the universe works."--The Quarterly Review of Bio
"Insightfully written"--Times Higher Education
"Eloquent. . . . A preeminent leader in the field tells his personal story of discovery in a unique and absorbing way."--Bioscience
From the Inside Flap
"The origin of life may have happened an inconceivably long time ago, but scientists like David Deamer are making major advances in understanding how the first microbes began to seethe on our planet, ultimately giving rise to all species alive today. In First Life, Deamer offers a delightful synthesis of research into life's dawn with his own vision for how it came to be."--Carl Zimmer, author of The Tangled Bank: An Introduction to Evolution
"No living scientist has had a greater impact on our understanding of life's origins than Dave Deamer. In First Life, his remarkably engaging, constantly lucid, and delightfully personal narrative, Deamer takes us behind the scenes of origins research as no one else could. What a story!"--Robert M. Hazen, Senior Staff Scientist, Carnegie Institution, and author of Genesis: The Scientific Quest for Life's Origins
"David Deamer has written a truly wonderful book. A preeminent scientist in the origin of life field, he has produced a synoptic, wise, and warmly human discussion. Anyone interested in how we came to exist in our universe had best read this book."--Stuart Kauffman, author of At Home in the Universe: The Search for the Laws of Self-Organization and Complexity and Reinventing the Sacred: A New View of Science, Reason, and Religion
"No living scientist has had a greater impact on our understanding of life's origins than Dave Deamer. In First Life, his remarkably engaging, constantly lucid, and delightfully personal narrative, Deamer takes us behind the scenes of origins research as no one else could. What a story!"--Robert M. Hazen, Senior Staff Scientist, Carnegie Institution, and author of Genesis: The Scientific Quest for Life's Origins
"David Deamer has written a truly wonderful book. A preeminent scientist in the origin of life field, he has produced a synoptic, wise, and warmly human discussion. Anyone interested in how we came to exist in our universe had best read this book."--Stuart Kauffman, author of At Home in the Universe: The Search for the Laws of Self-Organization and Complexity and Reinventing the Sacred: A New View of Science, Reason, and Religion
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7 of 9 people found the following review helpful
5.0 out of 5 stars
Origins and Evolution of Life: Discovering an Astrobiological Connections between Stars and Cells
August 10, 2011
Format:Hardcover
*****
"The history of science suggests that a continuous, focused effort to try to understand a problem, ... We will never know exactly how life began on early Earth, but we will know life can begin on a suitable planetary surface, because we will watch life emerge when just the right set of conditions come together." -- David Deamer
Scientists who study the origin of life strive to discover the chemical reactants and physical conditions that ignited the first forms of life on planet earth. One question they wrestle with peculiarly is how complex molecules such as amino acids, proteins, lipids, and DNA originated. All of these molecules are carbon based and are quite complex. Certainly, there was a ready supply of carbon on early Earth in the form of carbon dioxide and methane, but the synthesis process, from simple to complex, is still under debate. A popular origin-of-life proposition is that complex biological compounds assembled by chance, out of an organic broth, on the early Earth's surface. This proto bio-synthesis culminated in one of these bio-molecules being able to produce replicas of itself. The first laboratory tests conducted in response to this question was that known as the Miller-Urey experiment, simulated early Earth's atmospheric conditions and resulted in a spontaneous formation of organic compounds including amino acids. This evidence that complex organic molecules could have resulted from basic chemical reactants, cannot account for all complex amino molecules necessary for life, not even all 20 basic amino acids for living organisms. Despite hard efforts, scientists failed to create all the molecules needed for life in laboratory simulations of early Earth conditions.
The inability of scientists to synthesize the multitude of molecules represented by mundane life, today has stimulated the search for other explanations. Have scientists made incorrect predictions of what the conditions were truly like on early Earth? It may be chemically impossible to obtain all the molecules necessary for life starting from the simple menu of reactants at the conditions provided by early Earth! When researchers ran into the problem of how these cellular building blocks might be organized, it was suggested that a replicator was initially required. However, since DNA, the current 'reigning replicator', requires an extensive array of protein components in order to replicate, it was speculated that RNA could catalyze its own replication, resulting in the 'RNA world' hypothesis. Many researchers, therefore, think that RNA, a DNA's cousin, may have been the first complex molecule from which life evolved. RNA carries genetic information like DNA, but it can also conduct chemical reactions as proteins do. In addition, numerous spontaneously-produced inhibitors block pre-biotic chemistry, mandating the use of pure compounds. Robert Shapiro, a New York University chemist, concluded that, "The majority of origin-of-life scientists who still support the RNA-first theory either accept this concept or feel that the immensely unfavorable odds were simply overcome by good luck."
Deamer's thesis diverges from the standard RNA-world concept. He focuses not on the generation of a naked RNA-like polymer, but rather on the formation of a bubble-like membrane organism that stores and transports cellular products, digesting metabolic wastes within the cell, or vesicle, enclosed by a complex fatty membrane, which prevents leakage. Vesicles with similar properties have been formed in the laboratory from certain fatty acids. Deamer holds that the spontaneous formation of vesicles, into which RNA could be incorporated, was a vital step in life's origin. Unluckily, his theory retains the unlikely generation of self-replicating polymers as RNA. Nevertheless, Deamer's insight collapses the synthetic proofs put forward in numerous papers supporting the RNA world. He ends "First Life," by calling for the construction of a new set of biochemical simulators that match more closely the conditions on the early Earth. Unfortunately, the chemicals that he suggests for inclusion are selected from modern biology, and may have not existed in ancient geochemistry.
Instead of complex molecules, life started with small molecules interacting through a closed cycle of reactions, Shapiro argues. These reactions would produce compounds that would feed back into the cycle, creating an ever-growing reaction network. All the interrelated chemistry might be contained in simple membranes, or what a physicist calls 'garbage bags'. These might divide just like cells do, with each new bag carrying the chemicals to replicate the original cycle. Accordingly, genetic information could be passed down, and the system could evolve by creating more complicated molecules that would enact the reactions better than the small molecules. "The system would learn to make slightly larger molecules," Shapiro argues. This origin of life based on small molecules is called 'metabolism first'. Responding to critics who say that small-molecule chemistry is not methodical enough to produce life, introducing the concept of an energetically favorable 'driver reaction' that would act as a constant engine to run the various cycles.
The never ending controversy of how the universe originated seems to be a virtual standoff seeing that neither view can offer empirical proofs. The "origin of life" mystery is often in a full swing conflict between replicator-first and metabolism-first theories. Proponents of each hypothesis debate how each other's theories cannot possibly work in the natural environment of prebiotic earth. Currently available data indicate that the origin of life is extremely unlikely to have occurred through prebiotic chemistry before the advent of life on the early earth. Deamer takes the reader from the vivid and unpromising chaos of the Earth, billions of years ago to the present, to his laboratory, where he contemplates the prospects for generating synthetic life. He introduce us to astrobiology, a new discipline that studies the origin and evolution of life on Earth, relating it to the birth and death of stars. The adventure starts with planet formation, and interfaces between minerals, water, and atmosphere, and the physical chemistry of carbon compounds. Even after all those decades, the evidence in favor of a naturalistic causes for the origin of life has not significantly improved.
Origins and Evolution of Life: An Astrobiological Perspective (Cambridge Astrobiology)
"The history of science suggests that a continuous, focused effort to try to understand a problem, ... We will never know exactly how life began on early Earth, but we will know life can begin on a suitable planetary surface, because we will watch life emerge when just the right set of conditions come together." -- David Deamer
Scientists who study the origin of life strive to discover the chemical reactants and physical conditions that ignited the first forms of life on planet earth. One question they wrestle with peculiarly is how complex molecules such as amino acids, proteins, lipids, and DNA originated. All of these molecules are carbon based and are quite complex. Certainly, there was a ready supply of carbon on early Earth in the form of carbon dioxide and methane, but the synthesis process, from simple to complex, is still under debate. A popular origin-of-life proposition is that complex biological compounds assembled by chance, out of an organic broth, on the early Earth's surface. This proto bio-synthesis culminated in one of these bio-molecules being able to produce replicas of itself. The first laboratory tests conducted in response to this question was that known as the Miller-Urey experiment, simulated early Earth's atmospheric conditions and resulted in a spontaneous formation of organic compounds including amino acids. This evidence that complex organic molecules could have resulted from basic chemical reactants, cannot account for all complex amino molecules necessary for life, not even all 20 basic amino acids for living organisms. Despite hard efforts, scientists failed to create all the molecules needed for life in laboratory simulations of early Earth conditions.
The inability of scientists to synthesize the multitude of molecules represented by mundane life, today has stimulated the search for other explanations. Have scientists made incorrect predictions of what the conditions were truly like on early Earth? It may be chemically impossible to obtain all the molecules necessary for life starting from the simple menu of reactants at the conditions provided by early Earth! When researchers ran into the problem of how these cellular building blocks might be organized, it was suggested that a replicator was initially required. However, since DNA, the current 'reigning replicator', requires an extensive array of protein components in order to replicate, it was speculated that RNA could catalyze its own replication, resulting in the 'RNA world' hypothesis. Many researchers, therefore, think that RNA, a DNA's cousin, may have been the first complex molecule from which life evolved. RNA carries genetic information like DNA, but it can also conduct chemical reactions as proteins do. In addition, numerous spontaneously-produced inhibitors block pre-biotic chemistry, mandating the use of pure compounds. Robert Shapiro, a New York University chemist, concluded that, "The majority of origin-of-life scientists who still support the RNA-first theory either accept this concept or feel that the immensely unfavorable odds were simply overcome by good luck."
Deamer's thesis diverges from the standard RNA-world concept. He focuses not on the generation of a naked RNA-like polymer, but rather on the formation of a bubble-like membrane organism that stores and transports cellular products, digesting metabolic wastes within the cell, or vesicle, enclosed by a complex fatty membrane, which prevents leakage. Vesicles with similar properties have been formed in the laboratory from certain fatty acids. Deamer holds that the spontaneous formation of vesicles, into which RNA could be incorporated, was a vital step in life's origin. Unluckily, his theory retains the unlikely generation of self-replicating polymers as RNA. Nevertheless, Deamer's insight collapses the synthetic proofs put forward in numerous papers supporting the RNA world. He ends "First Life," by calling for the construction of a new set of biochemical simulators that match more closely the conditions on the early Earth. Unfortunately, the chemicals that he suggests for inclusion are selected from modern biology, and may have not existed in ancient geochemistry.
Instead of complex molecules, life started with small molecules interacting through a closed cycle of reactions, Shapiro argues. These reactions would produce compounds that would feed back into the cycle, creating an ever-growing reaction network. All the interrelated chemistry might be contained in simple membranes, or what a physicist calls 'garbage bags'. These might divide just like cells do, with each new bag carrying the chemicals to replicate the original cycle. Accordingly, genetic information could be passed down, and the system could evolve by creating more complicated molecules that would enact the reactions better than the small molecules. "The system would learn to make slightly larger molecules," Shapiro argues. This origin of life based on small molecules is called 'metabolism first'. Responding to critics who say that small-molecule chemistry is not methodical enough to produce life, introducing the concept of an energetically favorable 'driver reaction' that would act as a constant engine to run the various cycles.
The never ending controversy of how the universe originated seems to be a virtual standoff seeing that neither view can offer empirical proofs. The "origin of life" mystery is often in a full swing conflict between replicator-first and metabolism-first theories. Proponents of each hypothesis debate how each other's theories cannot possibly work in the natural environment of prebiotic earth. Currently available data indicate that the origin of life is extremely unlikely to have occurred through prebiotic chemistry before the advent of life on the early earth. Deamer takes the reader from the vivid and unpromising chaos of the Earth, billions of years ago to the present, to his laboratory, where he contemplates the prospects for generating synthetic life. He introduce us to astrobiology, a new discipline that studies the origin and evolution of life on Earth, relating it to the birth and death of stars. The adventure starts with planet formation, and interfaces between minerals, water, and atmosphere, and the physical chemistry of carbon compounds. Even after all those decades, the evidence in favor of a naturalistic causes for the origin of life has not significantly improved.
Origins and Evolution of Life: An Astrobiological Perspective (Cambridge Astrobiology)
4 of 5 people found the following review helpful
Format:Hardcover
While I am not an experienced reviewer, I have some common sense about the Genesis debate. Apart of my graduate studies in Chemical thermodynamics (& Gas phase reaction kinetics), I found Dr. Deamer's propositions and analogy quite pioneering. This is a very illuminating book, that can be enjoyed by the lay, and admired by the scientist. The biologic, and reaction dynamics (tendency) is in structured order. The historical review of the problem and the search account for the beginnings and the evolving chemical theory, which explains both theses, are very well expounded. When you seek such intellectual topics you encounter rational thinkers, and capable reviewers. This is a study that even if you do not agree to all or some of the its conclusions, you feel great respect for the balanced survey and the great scientific imagination.
9 of 13 people found the following review helpful
Format:Hardcover
David Deamer is one the better known origin-of-life scientist. He is the principal figure of the so called lipid-approach to the origin-of-life problem, which put the self-assembled lipid structures in central position of the whole process. Many of Deamer papers were very ingenuous, innovative and elegant.
I was then surprised to discover reading this book that Deamer is not only a bad writer, which can be excused, but also a shallow thinker.
The book is written in a very paternalistic style like if it was directed to very young audience: "those molecules we call sugars", "ideas in since we call hypothesis" etc. Moreover majority of the text is composed of general introduction to high school chemistry, extremely boring if you are higher than that.
Additionally the actual problem of origin-of-life is little if no touched at all. According to author all we need is the right mixture of variety of organic compounds with the right source of energy and voilà life originates. And the task for scientists is just to discover this right mixture. He could equally well said that sun is big and hot. Why despite 50 years of trials we did not even get close to answering the problem? Maybe there is something wrong with our approach? What is origin-of-life as a concept? And what is life itself? What is it nature that makes it distinct from inanimate matter? None of this questions come in the book and the readers are left to think that origin-of-life is some kind of unknown chemical reaction of A+B=C we just don't know yet the conditions.
If someone is interested more in this problem he would better go for "The Emergence of Life: From Chemical Origins to Synthetic Biology" written by another lipid champion Pier Luigi Luisi. It is much more deeper.
One has to conclude that some scientists are very good experimentalists but not great theoreticians. David Deamer falls into this category.
The book also suffers of some poor editing. There are mistakes in people surnames that were not detected, for example we have p.143 Martin Hanzyck instead of Martin Hanczyc; p.190 we have Soron Lancet instead of Doron Lancet.
I was then surprised to discover reading this book that Deamer is not only a bad writer, which can be excused, but also a shallow thinker.
The book is written in a very paternalistic style like if it was directed to very young audience: "those molecules we call sugars", "ideas in since we call hypothesis" etc. Moreover majority of the text is composed of general introduction to high school chemistry, extremely boring if you are higher than that.
Additionally the actual problem of origin-of-life is little if no touched at all. According to author all we need is the right mixture of variety of organic compounds with the right source of energy and voilà life originates. And the task for scientists is just to discover this right mixture. He could equally well said that sun is big and hot. Why despite 50 years of trials we did not even get close to answering the problem? Maybe there is something wrong with our approach? What is origin-of-life as a concept? And what is life itself? What is it nature that makes it distinct from inanimate matter? None of this questions come in the book and the readers are left to think that origin-of-life is some kind of unknown chemical reaction of A+B=C we just don't know yet the conditions.
If someone is interested more in this problem he would better go for "The Emergence of Life: From Chemical Origins to Synthetic Biology" written by another lipid champion Pier Luigi Luisi. It is much more deeper.
One has to conclude that some scientists are very good experimentalists but not great theoreticians. David Deamer falls into this category.
The book also suffers of some poor editing. There are mistakes in people surnames that were not detected, for example we have p.143 Martin Hanzyck instead of Martin Hanczyc; p.190 we have Soron Lancet instead of Doron Lancet.
Most Recent Customer Reviews
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Science will eventually unlock the secrets to the origin of life here on Earth and the universe as a whole. Read more
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Too Dense and 20 years too soon
First off I have to admit that I approached this book as a lay person without any special background in Chemistry or Biology expecting to see something along the lines of a A Brief... Read more
Published 22 months ago by Nikhil Sethi
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