CHARACTERIZATION OF BIOLOGICAL ICE NUCLEI FROM A LICHEN

被引：66

作者：

KIEFT, TL

RUSCETTI, T

机构：

[1] Department of Biology, NM Inst. Mining and Technology, Socorro

来源：

JOURNAL OF BACTERIOLOGY | 1990年 / 172卷 / 06期

关键词：

D O I：

10.1128/jb.172.6.3519-3523.1990

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Biological ice nuclei (active at approximately -4°C) were extracted from cells of the lichen Rhizoplaca chrysoleuca by sonication. Sensitivity to proteases, guanidine hydrochloride, and urea showed these nuclei to be proteinaceous. The nuclei were relatively heat stable, active from pH 1.5 to 12, and active without lipids, thereby demonstrating significant differences from bacterial ice nuclei.

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页码：3519 / 3523

页数：5

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