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                            Library & Multimedia
 Microbial ecology of the salmon necrobiome: evidence salmon carrion decomposition influences aquatic and terrestrial insect microbiomes
NCJ Number
              308321
Journal

*Applied and Environmental Microbiology* Volume: 18 Dated: 2016 Pages: 1511-1522
Author(s)
          Jennifer L. Pechal;
                        M. Eric Benbow
Date Published

2016
Length
              12 pages
Annotation
              This paper reports on a research study aimed at examining how microbial communities interact with invertebrates at the aquatic-terrestrial habitat interface compared with terrestrial necrophagous insects.
Abstract
              Carrion decomposition is driven by complex relationships that affect necrobiome community (i.e. all organisms and their genes associated with a dead animal) interactions, such as insect species arrival time to carrion and microbial succession. Little is understood about how microbial communities interact with invertebrates at the aquatic–terrestrial habitat interface. The first objective of the study was to characterize internal microbial communities using high-throughput sequencing of 16S rRNA gene amplicons for aquatic insects (three mayfly species) in streams with salmon carcasses compared with those in streams without salmon carcasses. The second objective was to assess the epinecrotic microbial communities of decomposing salmon carcasses (Oncorhynchus keta) compared with those of terrestrial necrophagous insects (Calliphora terraenovae larvae and adults) associated with the carcasses. There was a significant difference in the internal microbiomes of mayflies collected in salmon carcass-bearing streams and in non-carcass streams, while the developmental stage of blow flies was the governing factor in structuring necrophagous insect internal microbiota. Furthermore, the necrophagous internal microbiome was influenced by the resource on which the larvae developed, and changes in the adult microbiome varied temporally. Overall, these carrion subsidy-driven networks respond to resource pulses with bottom-up effects on consumer microbial structure, as revealed by shifting communities over space and time. (Published Abstracts Provided)
      
  
          Additional Details
Grant Number(s)
        2014-DN-BX-K008


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Publication Type
        Research (Applied/Empirical)


  
  
        
  Award
        Utilization of microbial structure and function in investigations of criminal justice
    
  
  
Date Published: January 1, 2016
    
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