Hopanoid lipid: Difference between revisions

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==Introduction==
==Introduction==
<b>By Haofan Li
<b>By Haofan Li
</b>Lipid, as a major component in all living organism, is understudied. However, in recent year, due to the improvement of lipid study technique, an intense study of lipid helps us increase the understanding of bacterial interaction with other organisms, such as plants. Hopanoids lipid, a model lipid for recent research, is widely found in different bacteria and various lichens and plants. Similar to the eukaryotic sterols, hopanoids are planar, polycyclic hydrocarbons containing five rings compared with the four rings in sterols, and they have a variety of polar and nonpolar side chains. This structural analogy underlies their functional similarities. Both lipid classes modulate the fluidity and permeability of membranes, and they have other subtler biological functions that are beginning to be elucidated.


==Section==
==Section==

Revision as of 21:34, 1 April 2018

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Introduction

By Haofan Li

Lipid, as a major component in all living organism, is understudied. However, in recent year, due to the improvement of lipid study technique, an intense study of lipid helps us increase the understanding of bacterial interaction with other organisms, such as plants. Hopanoids lipid, a model lipid for recent research, is widely found in different bacteria and various lichens and plants. Similar to the eukaryotic sterols, hopanoids are planar, polycyclic hydrocarbons containing five rings compared with the four rings in sterols, and they have a variety of polar and nonpolar side chains. This structural analogy underlies their functional similarities. Both lipid classes modulate the fluidity and permeability of membranes, and they have other subtler biological functions that are beginning to be elucidated.

Section

Electron micrograph of the Ebola Zaire virus. This was the first photo ever taken of the virus, on 10/13/1976. By Dr. F.A. Murphy, now at U.C. Davis, then at the CDC.


By Haofan Li

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Legend/credit: Electron micrograph of the Ebola Zaire virus. This was the first photo ever taken of the virus, on 10/13/1976. By Dr. F.A. Murphy, now at U.C. Davis, then at the CDC.
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Authored for BIOL 238 Microbiology, taught by Joan Slonczewski, 2017, Kenyon College.