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  Shift from widespread symbiont infection of host tissues to specific colonization of gills in juvenile deep-sea mussels

Wentrup, C., Wendeberg, A., Huang, J. L. Y., Borowski, C., & Dubilier, N. (2013). Shift from widespread symbiont infection of host tissues to specific colonization of gills in juvenile deep-sea mussels. The ISME Journal, 7(6), 1244-1247.

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Wentrup, C.1, Author           
Wendeberg, A.2, Author           
Huang, J. L. Y., Author
Borowski, C.1, Author           
Dubilier, N.1, Author           
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1Department of Symbiosis, Max Planck Institute for Marine Microbiology, Max Planck Society, ou_2481699              
2Department of Molecular Ecology, Max Planck Institute for Marine Microbiology, Max Planck Society, ou_2481696              

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 Abstract: The deep-sea mussel Bathymodiolus harbors chemosynthetic bacteria in its gills that provide it with nutrition. Symbiont colonization is assumed to occur in early life stages by uptake from the environment, but little is known about this process. In this study, we used fluorescence in situ hybridization to examine symbiont distribution and the specificity of the infection process in juvenile B. azoricus and B. puteoserpentis (4-21 mm). In the smallest juveniles, we observed symbionts, but no other bacteria, in a wide range of epithelial tissues. This suggests that despite the widespread distribution of symbionts in many different juvenile organs, the infection process is highly specific and limited to the symbiotic bacteria. Juveniles >= 9mm only had symbionts in their gills, indicating an ontogenetic shift in symbiont colonization from indiscriminate infection of almost all epithelia in early life stages to spatially restricted colonization of gills in later developmental stages.

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Language(s): eng - English
 Dates: 2013-06
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Internal
 Identifiers: eDoc: 675384
ISI: 000319333600017
 Degree: -

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Title: The ISME Journal
  Other : The ISME journal : multidisciplinary journal of microbial ecology
Source Genre: Journal
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Publ. Info: Basingstoke : Nature Publishing Group
Pages: - Volume / Issue: 7 (6) Sequence Number: - Start / End Page: 1244 - 1247 Identifier: ISSN: 1751-7370
CoNE: https://pure.mpg.de/cone/journals/resource/1751-7370