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Chapter 57 : On the Continuity of Biological Membranes

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Abstract:

Thirty years ago, Günter Blobel of the Rockefeller University published a short paper entitled “Intracellular Protein Topogenesis,” which laid the conceptual foundations for our understanding of how cells build membranes. To serve their functions, peripheral and integral proteins must be inserted into the right membrane with the correct orientation, and most of the article focused on the manner in which this may be achieved. But it also underscored two startling implications of the proposed procedure: first, that every membrane must be derived from a pre-existing membrane; and second, that all extant biological membranes are descendants of the plasma membrane of the first primordial cell.

Citation: Harold F. 2016. On the Continuity of Biological Membranes, p 226-232. In Schaechter M, In the Company of Microbes: 10 Years of Small Things Considered. ASM Press, Washington, DC. doi: 10.1128/9781555819606.ch57
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Citation: Harold F. 2016. On the Continuity of Biological Membranes, p 226-232. In Schaechter M, In the Company of Microbes: 10 Years of Small Things Considered. ASM Press, Washington, DC. doi: 10.1128/9781555819606.ch57
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Frank Harold is an affiliate professor in the Department of Microbiology, University of Washington Health Sciences Center. Now retired, he remains engaged with science as a writer and unlicensed philosopher.

Citation: Harold F. 2016. On the Continuity of Biological Membranes, p 226-232. In Schaechter M, In the Company of Microbes: 10 Years of Small Things Considered. ASM Press, Washington, DC. doi: 10.1128/9781555819606.ch57
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Citation: Harold F. 2016. On the Continuity of Biological Membranes, p 226-232. In Schaechter M, In the Company of Microbes: 10 Years of Small Things Considered. ASM Press, Washington, DC. doi: 10.1128/9781555819606.ch57
Permissions and Reprints Request Permissions
Download as Powerpoint

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