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Biol Bull. 2012 Aug;223(1):7-20.

Investigating bacterial-animal symbioses with light sheet microscopy.

Author information

1
Department of Physics, University of Oregon, Eugene, Oregon 97403, USA.

Abstract

Microbial colonization of the digestive tract is a crucial event in vertebrate development, required for maturation of host immunity and establishment of normal digestive physiology. Advances in genomic, proteomic, and metabolomic technologies are providing a more detailed picture of the constituents of the intestinal habitat, but these approaches lack the spatial and temporal resolution needed to characterize the assembly and dynamics of microbial communities in this complex environment. We report the use of light sheet microscopy to provide high-resolution imaging of bacterial colonization of the intestine of Danio rerio, the zebrafish. The method allows us to characterize bacterial population dynamics across the entire organ and the behaviors of individual bacterial and host cells throughout the colonization process. The large four-dimensional data sets generated by these imaging approaches require new strategies for image analysis. When integrated with other "omics" data sets, information about the spatial and temporal dynamics of microbial cells within the vertebrate intestine will provide new mechanistic insights into how microbial communities assemble and function within hosts.

PMID:
22983029
PMCID:
PMC3952068
DOI:
10.1086/BBLv223n1p7
[Indexed for MEDLINE]
Free PMC Article

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