Cross Index | Toxothrix trichogenes |
SuperSet | Prokaryote, Eubacteria Gliding Bacteria |
Compare | Cytophagales, Beggiatoales Single
Celled, rod shaped Capnocytophaga,
Chitinophaga
pinensis , Cytophaga, Flexibacter,
Flexithrix dorotheae,
Lysobacter,
Microscilla,
Sporocytophaga
myxococcoides, Thermomena, |
Contrast | Archaea |
Subset |
Morphology | Toxothrix trichogenes |
CELLULAR |
Staining | Gram reaction not recorded. |
Morphology | Cells cylindrical, colourless, 0.5-0.75 x 3-6 um, in filaments (trichomes) up to 400 um long |
Motility | 85AFilaments often U-shaped (Fig. 23.85A and B) and rotating while slowly moving forward with the rounded part in the lead; |
Specialized structures | A dense body
(polyphosphate?) is often located at either end of the
cell a mucoid substance, excreted from several sites on
the trailing ends, is deposited as a double track
("railroad track") of twisted strings each 0.2
um wide (Fan- shaped structures may be deposited
laterally along the tracks, as the arms of the U move
from side to side, and between the tracks, as a result of
the middle section being lifted and then touched down
again Krul et al. 1970). Oxidized iron may be deposited
on the mucoid threads, rendering them yellowish brown and
brittle and giving them a diameter of 2.5 um Filaments are extremely fragile during laboratory examination, observed after short periods under the microscope. |
Division |
COLONIAL |
Solid surface | Grow attached to surfaces Have not been obtained in pure culture |
Liquid |
Growth Parameters | Toxothrix trichogenes |
PHYSIOLOGICAL |
Tropism | chemoorganotrophic |
Oxygen | develop best at reduced oxygen tensions (Hasselbarth and Ludemann 1967 |
pH | slightly below neutrality (pH 5.1-7.7). |
Temperature | psychrophilic cultures have been maintained for long periods at 5 and 10`C |
Requirements | |
Products | |
Enzymes | |
Unique features |
ENVIRONMENTAL |
Habitat | Originally found in water reservoir near the Biological Station at the Dnjepr River in the U.S.S.R. Widely distributed in cold iron springs, brooks, forest ponds and lakes containing ferrous iron and with reduced oxygen tension (Hirsch 1981a). |
Lifestyle | |
Pathogenicity |
Distribution |
Genome | Toxothrix trichogenes |
G+C Mol % |
Reference | Toxothrix trichogenes |
First citation | Molisch, H. 1925. Botanische Beobachtungen in Japan. VIII. Die Eisenorganismen Japan. Sci. Rep. Tohoku Imp. Univ. Ser IV Biol 1:135-168 |
The Prokaryotes | |
Bergey's Systematatic | p 2120 P. Hirsch |
Bergey's Determinative | p 498 |
References |