Crossing the Boundaries of Life: Gunter Blobel and the Origins of Molecular Cell Biology

Günter Blobel's work on targeting newly made proteins to cell membrane vesicles enabled him to theorize how proteins in the cell distribute spatially, called the signal hypothesis. He was awarded the Nobel Prize in Physiology or Medicine in 1999 for elaborating his signal concept into membrane topogenesis, which addressed the relationship between structure and function. Matlin argues that Blobel's research and life story shed light on the importance of cell biology for twentieth-century science, propelling the development of adjacent disciplines like biochemistry and molecular biology.

Format: Hardback
Length: 368 pages
Publication date: 20 May 2022
Publisher: The University of Chicago Press

The intricate relationship between chemical mechanisms and the functioning of entire living systems has long perplexed biologists since the emergence of cell theory in the 19th century. As Karl S. Matlin cogently argues in his book Crossing the Boundaries of Life, it is remarkable that this longstanding scientific conundrum was most profoundly untangled by the pioneering work of a cell biologist, the esteemed Nobel laureate Günter Blobel. In 1975, Blobel achieved a groundbreaking feat using an experimental setup devoid of any cells whatsoever. By targeting newly synthesized proteins to cell membrane vesicles, he was able to formulate a groundbreaking theory, known as the signal hypothesis, which elucidated how proteins within cells distribute spatially. Over the ensuing twenty years, Blobel and a cohort of scientists worked diligently to unravel the intricate molecular intricacies of this mechanism. As a result, Blobel was awarded the Nobel Prize in Physiology or Medicine in 1999 for his pioneering contributions to this field.

Matlin contends that Blobel's innovative research approach and its subsequent application addressed a fundamental and unresolved dilemma that has plagued biology since its inception—the relationship between structure and function. By elucidating mechanistic molecular explanations of biological phenomena, Crossing the Boundaries of Life thus sheds light on the significance of cell biology for the 20th century. It illustrates how cell biology propelled the development of adjacent disciplines such as biochemistry and molecular biology.

Weight: 698g
Dimension: 159 x 235 x 29 (mm)
ISBN-13: 9780226819235