Ice nucleation induced by pseudomonas syringae.
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Journal: 1975/January - Applied microbiology
ISSN: 0003-6919
PUBMED: 4371331
Abstract:
Broth cultures of suspensions of Pseudomonas syringae isolated from decaying alder leaves (Alnus tenuifolia) were found to freeze at very warm (-1.8 to -3.8 C) temperatures. The initiation of freezing appears associated with the intact cell and not with extracellular material. Chemical treatments and physical destruction of the cell destroy activity. Bacteria must be in concentrations of approximately 10(6)/ml before freezing at warm temperatures occurs.
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Appl Microbiol 28(3): 456-459
PMID: 4371331

Ice Nucleation Induced by <em>Pseudomonas syringae</em><sup><a href="#fn1" rid="fn1" class=" fn">1</a></sup>

Abstract

Broth cultures of suspensions of Pseudomonas syringae isolated from decaying alder leaves (Alnus tenuifolia) were found to freeze at very warm (-1.8 to -3.8 C) temperatures. The initiation of freezing appears associated with the intact cell and not with extracellular material. Chemical treatments and physical destruction of the cell destroy activity. Bacteria must be in concentrations of approximately 10/ml before freezing at warm temperatures occurs.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • HEAD RB. Steroids as ice nucleators. Nature. 1961 Sep 9;191:1058–1059. [PubMed] [Google Scholar]
  • Lelliott RA, Billing E, Hayward AC. A determinative scheme for the fluorescent plant pathogenic pseudomonads. J Appl Bacteriol. 1966 Dec;29(3):470–489. [PubMed] [Google Scholar]
Division of Microbiology and Veterinary Medicine, University of Wyoming, Laramie, Wyoming 82071
Wyoming Agricultural Experiment Station Journal article no. 673.
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Abstract
Broth cultures of suspensions of Pseudomonas syringae isolated from decaying alder leaves (Alnus tenuifolia) were found to freeze at very warm (-1.8 to -3.8 C) temperatures. The initiation of freezing appears associated with the intact cell and not with extracellular material. Chemical treatments and physical destruction of the cell destroy activity. Bacteria must be in concentrations of approximately 10/ml before freezing at warm temperatures occurs.
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