Numerical taxonomy of proteolytic psychrotrophs from Queensland raw milks

O'Connor R.E., Ewings K.N., Hayward A.C. and O'Rourke P.K. (1986) Numerical taxonomy of proteolytic psychrotrophs from Queensland raw milks. Journal of Applied Bacteriology, 61 1: 25-38. doi:10.1111/j.1365-2672.1986.tb03755.x

Author O'Connor R.E.
Ewings K.N.
Hayward A.C.
O'Rourke P.K.
Title Numerical taxonomy of proteolytic psychrotrophs from Queensland raw milks
Journal name Journal of Applied Bacteriology
ISSN 13652672 00218847
Publication date 1986-01-01
Sub-type Article (original research)
DOI 10.1111/j.1365-2672.1986.tb03755.x
Volume 61
Issue 1
Start page 25
End page 38
Total pages 14
Language eng
Subject 2404 Microbiology
2402 Applied Microbiology and Biotechnology
Abstract Eighty‐seven proteolytic psychrotrophic micro‐organisms were isolated from 11 bulk milk supplies of two Queensland factories from different climatic regions, before and after storage at 4°C for 7 d. These isolates together with 15 reference strains formed the basis of a numerical taxonomic study involving 81 attributes. All but six isolates were pseudomonads. The strains clustered into nine groups, of which one group consisted of four yeasts. One group, containing 39 isolates, was designated as Pseudomonas fluorescens biovar 1; three groups, containing 27 isolates, as Ps. fluorescens biovar 5; and one group, containing 10 isolates, as Ps. putida biovar A. This study showed that the proteolytic psychrotrophic microflora of the 11 milks supplying the two factories was substantially different and that the proteolytic flora of 7 d refrigerated milk could not be estimated by examining the flora before storage. Copyright
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
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Citation counts: TR Web of Science Citation Count  Cited 11 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 8 times in Scopus Article | Citations
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