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Sebastian Ritscher
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THE MASTER BUILDER

Alfonso Martinez Arias

How the New Science of the Cell is Rewriting the Story of Life

In Master Builder, Alfonso Martinez Arias, a leading developmental biologist, argues that it is the cells, not DNA, that holds the key to understanding history, present, and future of life.
He shows that the physical reality of the cell - beginning with the fertilized eggs from which we all developed - is at least as important to creating every life form on Earth as DNA.

What defines who we are? For decades, the answer has seemed obvious: our genes, the "blueprint of life." In The Master Builder, leading biologist Alfonso Martinez Arias breaks with decades of scientific and popular tradition to make a bold argument: what defines us is our cells. Drawing on new research from his lab and others, Martinez Arias reveals that we are composed of a thrillingly intricate, constantly moving symphony of cells. While DNA is important, Richard Dawkins's vision of the selfish gene that controls everything is not a good description of how biology actually works. As Martinez Arias shows, nothing in your genes explains why the heart is on the left side of the body, how many fingers we have, or even how our cells manage to reproduce. At the heart of it all is a powerful new conception of the essence of life. Our identities are shaped not simply by our genes, but by the interconnections between all our cells, working as a sort of symphony - cooperative, and creating something greater than its parts could on their own - and the unbroken lineage of cells that connects us to the first fertilized egg from which we developed - and in turn, back through the billions of years of our planet's history, to the very first cell in the history of all life on Earth.

A sweeping revision of both the present and history of life, The Master Builder puts forward a new paradigm for understanding biology, one rooted in cellular cooperation, not selfish genes. Engaging and ambitious, it will transform our understanding of where we come from, what shapes us, and where we are going, as individuals, as a species, and the community of life itself.

Alfonso Martinez Arias is ICREA Research Professor in the department of systems bioengineering of the Universitat Pompeu Fabra in Barcelona. The recipient of numerous awards, he is coauthor of the biology textbook Principles of Development, which was awarded the Royal Society of Biology book prize. He lives in Barcelona, Spain.
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Book

Published 2023-08-01 by Basic Books

Book

Published 2023-08-01 by Basic Books

Comments

Small Collections of Cells Determine How a Body Takes Its Shape Developmental biologist Alfonso Martinez Arias believes that the emergent properties of cells, rather than the "instructions" written by genes, are the key to understanding how bodies are built Read more...

UK: Basic Books ; Chinese (simpl.): Citic ; Korean: Korean Studies Information ; Spanish: Ediciones Paidos Iberica ; Japan: Kadokawa Shoten ; Estonia: Postimehe

The Master Builder: How the New Science of the Cell Is Rewriting the Story of Life Read more...

Excerpt: Cells, Not DNA, Are The Master Architects Of Life Far from being a blueprint for an organism, genes are mere tools used by life's true expert builders: cells. Read more...

In The Master Builder, Alfonso Martinez Arias makes a timely, important and compelling case for why an understanding of living organisms must start with the cell. He offers a vision of life that shows it to be much more interesting and ingenious than any simplistic notion of genetic blueprints can provide.

A Cellular Story of Life: A Dialogue with Alfonso Martinez Arias Read more...

Provocative... timely and needed. Highlights of the book include the many fascinating historical and evolutionary perspectives presented and Martinez Arias's discussion of key experiments. Read more...

A Reason to Cheer for Cells and the Viruses That Feed on Them Two new books bring attention to old discoveries with the potential to cure stubborn ailments and reveal the secrets of biology. Read more...

Excerpt: Ancestry tests are "genetic astrology." We must re-learn everything we know about DNA and cells From the laying out of the body plan to the organization and functioning of our nervous system, cells rule gene expression and make us who and what we are. Read more...

What came first, the chicken or the egg? In The Master Builder, Alfonso Martinez-Arias poses a different question: what drives biology, genes or cells? His surprising answer shines new light on the fascinating riddle of development and offers a majestic cell's-eye view of life itself.

The essence of science is that we never stop asking, do we see clearly, or have we fooled ourselves into certainty? In The Master Builder, we follow that question into the cell, where DNA is said to rule. What Alfonso Martinez-Arias has found is much more interesting: cells themselves, which we inherited from a long line of ancestors stretching back to the earliest life, are at least as integral to creating who we are as the genes each carries. This book makes a new and stunning argument, not so much that we should put DNA in its place, but that we can see the grandeur of life as it truly is.

...an ingenious argument... A rich, detailed exploration of the vitality of cells.

The Incompleteness of Evolution | Alfonso Martinez Arias Read more...

Excerpt: The Case Against the Selfish Gene Read more...

DNA is often claimed to be 'the master molecule,' determining everything about us. DNA is now... in our cultural DNA. But in this masterful account, geneticist and developmental biologist Alfonso Martinez Arias shows that, on its own, DNA is powerless, inert. It needs a cell to work its wonders, and that cell is always interacting with the environment. This cell's-eye view of life is powerful and striking, helping to reveal why DNA is not the ultimate determinant of ourselves. Identical twins are not identical down to their fingerprints - fingerprints, handedness and many other characteristics are not genetically determined. This clearly explained, beautiful book will change how you think about DNA, about how you came to be, and about life itself.