Biofoams and natural protein surfactants

被引:80
作者
Cooper, Alan [1 ]
Kennedy, Malcolm W. [2 ]
机构
[1] Univ Glasgow, WestChem Dept Chem, Glasgow G12 8QQ, Lanark, Scotland
[2] Univ Glasgow, Fac Biomed & Life Sci, Glasgow G12 8QQ, Lanark, Scotland
基金
英国惠康基金; 英国生物技术与生命科学研究理事会;
关键词
Foam; Frog; Nest; Latherin; Ranaspumin; Ranasmurfin; AIR-WATER-INTERFACE; NEUTRON REFLECTION; FOAM NESTS; RESOLUTION STRUCTURE; HYDROPHOBIN HFBII; ARMORED CATFISH; TROPICAL FROG; TUNGARA FROG; HORSE SWEAT; XYLEM SAP;
D O I
10.1016/j.bpc.2010.06.006
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Naturally occurring foam constituent and surfactant proteins with intriguing structures and functions are now being identified from a variety of biological sources. The ranaspumins from tropical frog foam nests comprise a range of proteins with a mixture of surfactant, carbohydrate binding and antimicrobial activities that together provide a stable, biocompatible, protective foam environment for developing eggs and embryos. Ranasmurfin, a blue protein from a different species of frog, displays a novel structure with a unique chromophoric crosslink. Latherin, primarily from horse sweat, but with similarities to salivary, oral and upper respiratory tract proteins, illustrates several potential roles for surfactant proteins in mammalian systems. These proteins, together with the previously discovered hydrophobins of fungi, throw new light on biomolecular processes at air-water and other interfaces. This review provides a perspective on these recent findings, focussing on structure and biophysical properties. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:96 / 104
页数:9
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