Are Gamma Proteobacteria the Predominant Symbionts in the Squid Loligo Pealei?

  • Elena Barbieri
  • Deborah Hughes
  • Rebecca Ericson
  • Andreas Teske


Like many cephalopods, females of the squid species Loligo pealei have a pair of accessory nidamental glands (ANG) that harbor a dense bacterial community (Bloodgood, 1977). The ANG is closely associated with the nidamental gland, which produces capsule-like membranes surrounding the eggs (Fig. 1). Because of its close association with the nidamental gland and the oviduct, the ANG probably plays a role in protecting the eggs by coating them with bacteria (Barbieri et al., 1997; Biggs & Epel., 1991). Recently, identical or very similar bacteria have been found in the ANG and in the egg cases of Loligo pealei (Barbieri et al., unpublished results).


Scan Electron Microscopy Micrograph Gamma Proteobacteria 4Woods Hole Oceanographic Institution Marine Biological Laboratory Acellular Matrix 
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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • Elena Barbieri
    • 1
  • Deborah Hughes
    • 2
  • Rebecca Ericson
    • 3
  • Andreas Teske
    • 4
  1. 1.Marine Biological LaboratoryWoods HoleUSA
  2. 2.Scripps Institution of OceanographyLa JollaUSA
  3. 3.Forsyth Dental CenterBostonUSA
  4. 4.Woods Hole Oceanographic InstitutionWoods HoleUSA

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