Serratia ficaria
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacteroidota, Class Gammaproteobacteria, Order Enterobacterales, Family Yersiniaceae, Genus Serratia, Serratia ficaria
Grimont et al. 1981.
Gram-negative, straight rods, 0.5-0.8 x 0.9-2.0 μm, non-sporulated. Some strains are
capsulated. Motile by peritrichous flagella.
Colonies are 1 to 3 mm in diameter, circular, shiny, opaque, cream-white and smooth
with an entire margin. Prodigiosin is not produced. Cultures give off a musty,
potato-like odor. Facultatively anaerobic, growth temperature 20-35 ºC (range may
vary from 10 to 40 ºC). Don't require growth factors. Media: Nutrient Agar or Nutrient
Broth, Trypticase Soy Agar ± 5% sheep blood, Mac Conkey Agar, Milk Agar.
Has been isolated from male figs and from Blastophaga psenes (a fig tree-specific
pollinator that breeds in male figs). Occasionally found on plants other than fig trees.
Predominantly may cause biliary infections and sepsis in areas that cultivate fig trees. Pathogenicity is not very clear.
  1. J. G. Holt et al., 1994. Facultatively Anaerobic Gram-Negative Rods. Subgroup 1. Family Enterobacteriaceae. In: Begey’s Manual of
    Determinative Bacteriology, 9th-edition, Williams & Wilkins, pp 175-189.
  2. Grimont P.A.D., Grimont F. & Starr M.P.: Serratia ficaria sp. nov., a bacterial species associated with Smyrna figs and the fig wasp
    Blastophaga psenes. Curr. Microbiol., 1979, 2, 277-282.
  3. Don J. Brenner and J.J. Farmer III, 2001. Family I. Enterobacteriaceae. In:  Bergey’s Manual of Systematic Bacteriology, Second
    edition, Vol two, part B, George M. Garrity (Editor-in-Chief), pp 587-897.
  4. Adeolu M, Alnajar S, Naushad S, S Gupta R. Genome-based phylogeny and taxonomy of the 'Enterobacteriales': proposal for
    Enterobacterales ord. nov. divided into the families Enterobacteriaceae, Erwiniaceae fam. nov., Pectobacteriaceae fam. nov.,
    Yersiniaceae fam. nov., Hafniaceae fam. nov., Morganellaceae fam. nov., and Budviciaceae fam. nov. Int J Syst Evol Microbiol
    2016; 66:5575-5599.
(c) Costin Stoica
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PROKARYOTAE
Legend:  + positive 90-100%, - negative 90-100%, [+] positive 75-89%, [-] negative 75-89%, d positive 25-74% of strains, nd - not determined,
ADH - arginine dihydrolase, LDC -lysine decarboxylase, ODC - ornithine decarboxylase,  *
S glossinae is not included in ABIS database
Differential characters between species:
 
Pigment
ADH
LDC
ODC
Urea
hydrolysis
Voges -
Proskauer
Lactose
fermentation
Cellobiose
fermentation
L-arabinose
fermentation
D-xylose
fermentation
S. entomophila
-
-
-
-
-
+
-
-
-
d
S. ficaria
-
-
-
-
-
[+]
[-]
+
+
+
S. fonticola
-
-
+
+
[-]
-
+
-
+
[+]
S. grimesii
-
+
+
+
-
d
-
-
+
+
S. liquefaciens
-
-
+
+
-
+
-
-
+
+
S. marcescens
d
-
+
+
[-]
+
-
-
-
-
S. nematodiphila
+
+
+
+
-
+
-
-
+
-
S. odorifera 1
-
-
+
+
-
d
d
+
+
+
S. odorifera 2
-
-
+
-
-
+
+
+
+
+
S. plymuthica
d
-
-
-
-
[+]
[+]
[+]
+
+
S. proteamaculans
-
-
+
+
-
[+]
-
-
+
+
S. rubidaea
+
-
d
-
-
+
+
+
+
+
S. ureilytica
-
+
+
+
+
+
-
nd
-
+
Positive results for catalase, ONPG, esculin hydrolysis, citrate utilization, acid production from fructose, glucose, mannitol, glycerol,
maltose, D-mannose, ribose, salicin and trehalose.

Negative results for oxidase, indole production, H
2S production, phenylalanine deaminase and acid production from mucate
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