DETAILED FEATURES.
NOTE—Underscore required terms. Observe [notes] and [glossary of terms] on opposite side of card.
- I. MORPHOLOGY[(2)]
- 1. Vegetative Cells,
- Medium used.............................
temp....................age.................days
- Form, round, short rods, long rods, short chains, long
chains, filaments, commas, short spirals, long spirals,
clostridium, cuneate, clavate, curved.
- Limits of Size.............................
- Size of Majority.............................
- Ends, rounded, truncate, concave.
- Agar Hanging-block
- Orientation (grouping)...............
- Chains (No. of elements)...............
- Short chains, long chains
- Orientation of chains, parallel, irregular.
- 2. Sporangia,
- medium used.............................
temp....................age....................days
- Form, elliptical, short rods, spindled, clavate, drumsticks.
- Limits of Size.............................
- Size of Majority.............................
- Agar Hanging-block
- Orientation (grouping)...............
- Chains (No. of elements)...............
- Orientation of chains, parallel, irregular.
- Location of Endospores, central, polar.
- 3. Endospores.
- Form, round, elliptical, elongated.
- Limits of Size.............................
- Size of Majority.............................
- Wall, thick, thin.
- Sporangium wall, adherent, not adherent.
- Germination, equatorial, oblique, polar, bipolar, by
stretching.
- 4. Flagella, No...............Attachment polar, bipolar, peritrichiate.
How Stained...............
- 5. Capsules, present on...............
- 6. Zooglea, Pseudozooglea.
- 7. Involution Forms, on............in............days at............° C.
- 8. Staining Reactions.
- 1:10 watery fuchsin, gentian violet, carbol-fuchsin,
Loeffler’s alkaline methylene blue.
- Special Stains.
- Gram........................
- Glycogen........................
- Fat........................
- Acid-fast........................
- Neisser........................
- II. CULTURAL FEATURES[(3)]
- 1. Agar Stroke.
- Growth, invisible, scanty, moderate, abundant.
- Form of growth, filiform, echinulate, beaded, spreading,
plumose, arborescent, rhizoid.
- Elevation of growth, flat, effuse, raised, convex.
- Lustre, glistening, dull, cretaceous.
- Topography, smooth, contoured, rugose, verrucose.
- Optical characters, opaque, translucent, opalescent, iridescent.
- Chromogenesis[(3)]........................
- Odor, absent, decided, resembling........................
- Consistency, slimy, butyrous, viscid, membranous,
coriaceous, brittle.
- Medium grayed, browned, reddened, blued, greened.
- 2. Potato.
- Growth scanty, moderate, abundant, transient, persistent.
- Form of growth, filiform, echinulate, beaded, spreading,
plumose, arborescent, rhizoid.
- Elevation of growth, flat, effuse, raised, convex.
- Lustre, glistening, dull, cretaceous.
- Topography, smooth, contoured, rugose, verrucose.
- Chromogenesis[(3)]........................Pigment in water insoluble,
soluble: other solvents................................................
- Odor, absent, decided, resembling........................
- Consistency, slimy, butyrous, viscid, membranous,
coriaceous, brittle.
- Medium, grayed, browned, reddened, blued, greened.
- 3. Loeffler’s Blood-serum.
- Stroke invisible, scanty, moderate, abundant.
- Form of growth, filiform, echinulate, beaded, spreading,
plumose, arborescent, rhizoid.
- Elevation of growth, flat, effuse, raised, convex.
- Lustre, glistening, dull, cretaceous.
- Topography, smooth, contoured, rugose, verrucose.
- Chromogenesis[(3)]..........................
- Medium grayed, browned, reddened, blued, greened.
- Liquefaction begins in...............d, complete in...............d,
- 4. Agar Stab.
- Growth uniform, best at top, best at bottom: surface
growth scanty, abundant: restricted, wide-spread.
- Line of puncture, filiform, beaded, papillate, villous,
plumose, arborescent: liquefaction.
- 5. Gelatin Stab.
- Growth uniform, best at top, best at bottom.
- Line of puncture, filiform, beaded, papillate, villous,
plumose, arborescent.
- Liquefaction crateriform, napiform, infundibuliform,
saccate, stratiform: begins in...............d.
complete in...............d
- Medium fluorescent, browned...............
- 6. Nutrient Broth.
- Surface growth, ring, pellicle, flocculent, membranous,
none.
- Clouding slight, moderate, strong: transient, persistent:
none: fluid turbid.
- Odor, absent, decided, resembling..................
- Sediment, compact, flocculent, granular, flaky, viscid
on agitation, abundant, scant.
- 7. Milk.
- Clearing without coagulation.
- Coagulation prompt, delayed, absent.
- Extrusion of whey begins in................days.
- Coagulum slowly peptonized, rapidly peptonized.
- Peptonization begins on...............d, complete on...............d.
- Reaction, 1d......, 2d......, 4d......, 10d......, 20d......
- Consistency, slimy, viscid, unchanged.
- Medium browned, reddened, blued, greened.
- Lab ferment, present, absent.
- 8. Litmus Milk.
- Acid, alkaline, acid then alkaline, no change.
- Prompt reduction, no reduction, partial slow reduction.
- 9. Gelatin Colonies.
- Growth slow, rapid.
- Form, punctiform, round, irregular, ameboid, mycelioid,
filamentous, rhizoid.
- Elevation, flat, effuse, raised, convex, pulvinate, crateriform
(liquefying).
- Edge, entire, undulate, lobate, erose, lacerate, fimbriate,
filamentous, floccose, curled.
- Liquefaction, cup, saucer, spreading.
- 10. Agar Colonies.
- Growth slow, rapid (temperature................)
- Form, punctiform, round, irregular, ameboid, mycelioid,
filamentous, rhizoid.
- Surface smooth, rough, concentrically ringed, radiate,
striate.
- Elevation, flat, effuse, raised, convex, pulvinate, umbonate.
- Edge, entire, undulate, lobate, erose, lacerate, fimbriate,
floccose, curled.
- Internal structure, amorphous, finely, coarsely granular,
grumose, filamentous, floccose, curled.
- 11. Starch Jelly.
- Growth, scanty, copious.
- Diastatic action, absent, feeble, profound.
- Medium stained.......................
- 12. Silicate Jelly (Fermi’s Solution).
- Growth copious, scanty, absent.
- Medium stained.......................
- 13. Cohn’s Solution.
- Growth copious, scanty, absent.
- Medium fluorescent, non-fluorescent.
- 14. Uschinsky’s Solution.
- Growth copious, scanty, absent.
- Fluid viscid, not viscid.
- 15. Sodium Chloride in Bouillon.
- Per cent. inhibiting growth........................
- 16. Growth in Bouillon over Chloroform, unrestrained,
feeble, absent.
- 17. Nitrogen. Obtained from peptone, asparagin, glycocoll,
urea, ammonia salts, nitrogen.
- 18. Best media for long-continued growth
- ..............................................................................................
- 19. Quick tests for differential purposes
- ..............................................................................................
..........................................................................................
- III. PHYSICAL AND BIOCHEMICAL FEATURES.
- 1. Fermentation-tubes containing peptone-water or sugar-tree bouillon and
- Dextrose
- Saccharose
- Reduced, not reduced.
- Presence of nitrites..................ammonia..................
- Presence of nitrates..................free nitrogen..................
- Lactose
- Maltose
- Acids tested..................
- Glycerin
- Mannit
- Gas production, in per cent.
- (H/CO2)
- Thermal death-point (10
- minutes’ exposure in
nutrient broth when this is adapted to growth of
organism)..........C.
- Optimum temperature for growth..........° C.; or
best growth at 16° C., 20° C., 25° C., 30° C., 37° C.,
40° C., 50° C., 60° C.
- Maximum temperature for growth..........° C.
- Minimum temperature for growth..........° C.
- Growth in closed arm
- Amount of acid produced 1d.
- Amount of acid produced 2d.
- Per cent. killed................
- Amount of acid produced 3d.
- 2. Ammonia production, feeble, moderate, strong, absent,
masked by acids.
- 3. Nitrates in nitrate broth.
- 4. Indol production, feeble, moderate, strong.
- 5. Toleration of Acids, great, medium, slight.
- 6. Toleration of NaOH, great, medium, slight.
- 7. Optimum reaction for growth in bouillon, stated in
terms of Fuller’s scale..........................
- 8. Vitality on culture media, brief, moderate, long.
- 9. Temperature relations.
- 10. Killed readily by drying: resistant to drying.
- 11. Per cent. killed by freezing (salt and crushed ice or
liquid air)................
- 12. Sunlight: Exposure on ice in thinly sown agar plates;
one-half plate covered (time 15 minutes), sensitive,
not sensitive.
- 13. Acids produced................
- 14. Alkalies produced................
- 15. Alcohols................
- 16. Ferments, pepsin, trypsin, diastase, invertase, pectase,
cytase, tyrosinase, oxidase, peroxidase, lipase, catalase,
glucase, galactase, lab, etc.........................
- 17. Crystals formed:.........
- 18. Effect of germicides:
- Substance
- Method used
- Minutes
- Temperature
- Killing quantity
- Amt. required to restrain growth
- IV. PATHOGENICITY.
- 1. Pathogenic to Animals.
- Insects, crustaceans, fishes, reptiles, birds, mice, rats,
guinea-pigs, rabbits, dogs, cats, sheep, goats, cattle,
horses, monkeys, man..........................
- 2. Pathogenic to Plants:
- .............................................................
.........................................................
......................................................... - 3. Toxins, soluble, endotoxins.
- 4. Non-toxin forming.
- 5. Immunity bactericidal.
- 6. Immunity non-bactericidal.
- 7. Loss of virulence on culture-media: prompt, gradual,
not observed in.....................months.
| Agar Hanging-block | Orientation (grouping)............... |
| Chains (No. of elements)............... |
| Short chains, long chains |
| Orientation of chains, parallel, irregular. |
| Agar Hanging-block | Orientation (grouping)............... |
| Chains (No. of elements)............... |
| Orientation of chains, parallel, irregular. |
| 1. Fermentation-tubes containing peptone-water or sugar-tree bouillon and | Dextrose | Saccharose | Lactose | Maltose | Glycerin | Mannit |
| Gas production, in per cent. | | | | | | |
| (H/CO2) | | | | | | |
| Growth in closed arm | | | | | | |
| Amount of acid produced 1d. | | | | | | |
| Amount of acid produced 2d. | | | | | | |
| Amount of acid produced 3d. | | | | | | |
| Substance | Method used | Minutes | Temperature | Killing quantity | Amt. required to restrain growth |
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BRIEF CHARACTERIZATION. Mark + or 0, and when two terms occur on a line erase the one which does not apply unless both apply. |
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| MORPHOLOGY[(2)] | Diameter over 1µ | |
| Chains, filaments | |
| Endospores | |
| Capsules | |
| Zooglea, Pseudozooglea | |
| Motile | |
| Involution forms | |
| | Gram’s stain | |
| CULTURAL FEATURES[(3)] | Broth | Cloudy, turbid | |
| Ring | |
| Pellicle | |
| Sediment | |
| Agar | Shining | |
| Dull | |
| Wrinkled | |
| Chromogenic | |
| Gel. Plate | Round | |
| Proteus-like | |
| Rhizoid | |
| Filamentous | |
| Curled | |
| Gel. Stab. | Surface growth | |
| Needle growth | |
| Potato | Moderate, absent | |
| Abundant | |
| Discolored | |
| Starch destroyed | |
| Grows at 37° C. | |
| Grows in Cohn’s sol. | |
| Grows in Uschinsky’s sol. | |
| BIOCHEMICAL FEATURES | Liquifaction | Gelatin[(4)] | |
| Blood-serum | |
| Casein | |
| Milk | Acid curd | |
| Rennet curd | |
| Casein peptonized | |
| Indol[(3)] | |
| Hydrogen sulphide | |
| Ammonia[(3)] | |
| Nitrates reduced[(3)] | |
| Fluorescent | |
| Luminous | |
| DISTRIBUTION | Animal pathogen, epizoon | |
| Plant pathogen, epiphyte | |
| Soil | |
| Milk | |
| Fresh water | |
| Salt water | |
| Sewage | |
| Iron bacterium | |
| Sulphur bacterium | |