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Shewanella oneidensis.png
Shewanella oneidensis
Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Gamma Proteobacteria
Order: Alteromonadales
Family: Shewanellaceae
Ivanova et al. 2004
Genus: Shewanella
MacDonell and Colwell 1985
Type species
Shewanella putrefaciens

S. abyssi
S. aestuarii [1]
S. algae
S. algicola [1]
S. algidipiscicola
S. amazonensis
S. aquimarina
S. arctica [1]
S. atlantica [1]
S. baltica
S. basaltis [1]
S. benthica
S. canadensis [1]
S. chilikensis [1]
S. colwelliana
S. corallii [1]
S. decolorationis
S. denitrificans
S. dokdonensis [1]
S. donghaensis
S. fidelis
S. fodinae [1]
S. frigidimarina
S. gaetbuli
S. gelidimarina
S. glacialipiscicola
S. gelidii [1]
S. hafniensis
S. halifaxensis
S. halitois
S. hanedai
S. indica [1]
S. inventionis [1]
S. irciniae
S. japonica
S. kaireitica
S. litorisediminis [1]
S. livingstonensis
S. loihica
S. mangrovi [1]
S. marina [1]
S. marinintestina
S. marisflavi
S. morhuae
S. olleyana
S. oneidensis
S. piezotolerans [1]
S. pacifica
S. pealeana
S. piezotolerans
S. pneumatophori
S. profunda
S. psychrophila
S. putrefaciens
S. sairae
S. schegeliana
S. sediminis
S. seohaensis [1]
S. spongiae
S. surugensis
S. upenei [1]
S. vesiculosa [1]
S. violacea
S. waksmanii
S. woodyi
S. xiamenensis [1]

Shewanella is the sole genus included in the Shewanellaceae family of marine bacteria, some species within it were formerly classed as Alteromonas. Shewanella bacteria are a normal component of the surface flora of fish and are implicated in fish spoilage.[2]

Shewanella oneidensis MR-1 is a widely used laboratory model to study anaerobic respiration of metals and other anaerobic extracellular electron acceptors, and for teaching about microbial electrogenesis and microbial fuel cells.


Shewanella species respire a variety of electrons acceptors in anoxic conditions, many of which are located extracellularly. The mechanism for extracellular electron transfer involves c-type cytochromes that span the inner and outer membranes and "bacterial nanowires".[3]

See also[edit]

Shewanella haliotis[4]


  1. ^ a b c d e f g h i j k l m n o p q r s t u LPSN
  2. ^ Adams and Moss, Food Microbiology, third edition 2008, pp 26, 138, 140,
  3. ^ Powell, Corey S. (January 21, 2015). "Have We Found Alien Life?". Popular Science. Retrieved 2015-10-26. 
  4. ^ NEW TAXA - Proteobacteria: Duwoon Kim, Keun Sik Baik, Mi Sun Kim, Bok-Mi Jung, Tai-Sun Shin, Gyu-Hwa Chung, Moon Soo Rhee, and Chi Nam Seong Shewanella haliotis sp. nov., isolated from the gut microflora of abalone, Haliotis discus hannai Int J Syst Evol Microbiol December 2007 57:2926-2931; doi:10.1099/ijs.0.65257-0

External links[edit]