This document is downloaded at: 2018-05-21T21:50:48Z Title Notes on Classification of Mixed Flagellation Type, Marine Bacteria Which Utilize Algal Polysaccharides Author(s) Fujita, Yuji; Zenitani, Buhei Citation 長崎大学水産学部研究報告, v.32, pp.79-84; 1971 Issue Date 1971-12 URL http://hdl.handle.net/10069/31088 Right NAOSITE: Nagasaki University's Academic Output SITE http://naosite.lb.nagasaki-u.ac.jp
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This document is downloaded at: 2018-05-21T21:50:48Z
Title Notes on Classification of Mixed Flagellation Type, Marine BacteriaWhich Utilize Algal Polysaccharides
Author(s) Fujita, Yuji; Zenitani, Buhei
Citation 長崎大学水産学部研究報告, v.32, pp.79-84; 1971
Issue Date 1971-12
URL http://hdl.handle.net/10069/31088
Right
NAOSITE: Nagasaki University's Academic Output SITE
http://naosite.lb.nagasaki-u.ac.jp
79
Notes on Classification of Mixed Flagellation
Type, Marine Bacteria Which Utilize
Algal Polysaccharides
Yuji FUJITA and Buhei ZENITANI
Abstract
Mixed flagellation type was found on sixteen strains of marine bacteria which
attack algal polysaccharide or chitin. Cf these, six strains were identified as
chitinoclastic Beneckea spp. , but the digestion of agar or alginate was not a
suitable property to characterize a genus in the family Achromobacteriaceae from
a numerical analysis.
Introduction
In the course of a study of bacteria of marine origin, we found mixed
flagellation types of marine bacteria which attack agar, alginate or chitin. Such
a mixed flagellation type is considered to be a specific character, because the
flagellation, either polar or peritrichous, is usually a useful diagnostic criterion
for bacterial classification. On the other hand, YAPHE1) presented some
proposals on the classification of bacteria which utilize the polysaccharide of
marine algae, and also WOOD2) considered to be undesirable to use polysaccharide
attacking ability as genus key for pragmatic classification.
In this paper, notes on the presence of specific flagellation of the isolates
and on the applicability of agar- and alginate-decomposition as genus key will be
described.
Materials and Methods
Bacterial strains : Sixteen strains with mixed flagella were isolated from
Porphyra yezoensis which were decaying or diseased in the laver culture farm.
Characteristics of test strains : Detailed characteristics of the test strains
will be described elsewhere. Agar digestion in ZOBELL's 2216E agar plate was
observed visually, and agar softening was tested by an addition of Lugol solution
Alginic acid-digestion was detected by the method of KIMURA3) . The degradation
of chitin was determined by the formation of clear ring around the colonies
developed on ZOBELL's 2216E agar plate containing 0.4% chitin. The cultures