Document Type
Article
Publication Date
1-4-2016
Publication Source
Microorganisms
Abstract
Biofilms are a ubiquitous formation of microbial communities found on surfaces in aqueous environments. These structures have been investigated as biomonitoring indicators for stream heath, and here were used for the potential use in forensic sciences. Biofilm successional development has been proposed as a method to determine the postmortem submersion interval (PMSI) of remains because there are no standard methods for estimating the PMSI and biofilms are ubiquitous in aquatic habitats. We sought to compare the development of epinecrotic (biofilms on Sus scrofa domesticus carcasses) and epilithic (biofilms on unglazed ceramic tiles) communities in two small streams using bacterial automated ribosomal intergenic spacer analysis. Epinecrotic communities were significantly different from epilithic communities even though environmental factors associated with each stream location also had a significant influence on biofilm structure. All communities at both locations exhibited significant succession suggesting that changing communities throughout time is a general characteristic of stream biofilm communities. The implications resulting from this work are that epinecrotic communities have distinctive shifts at the first and second weeks, and therefore the potential to be used in forensic applications by associating successional changes with submersion time to estimate a PMSI. The influence of environmental factors, however, indicates the lack of a successional pattern with the same organisms and a focus on functional diversity may be more applicable in a forensic context.
ISBN/ISSN
2076-2607
Document Version
Published Version
Copyright
Copyright © 2016, The Author(s)
Publisher
MDPI
Volume
4
Peer Reviewed
yes
Issue
1
eCommons Citation
Lang, Jennifer M.; Erb, Racheal; Pechal, Jennifer L.; Wallace, John R.; McEwan, Ryan W.; and Benbow, Mark Eric, "Microbial Biofilm Community Variation in Flowing Habitats: Potential Utility as Bioindicators of Postmortem Submersion Intervals" (2016). Biology Faculty Publications. 242.
https://ecommons.udayton.edu/bio_fac_pub/242
Included in
Biology Commons, Environmental Microbiology and Microbial Ecology Commons, Forest Sciences Commons, Plant Sciences Commons
Comments
This document has been made available for download in accordance with the publisher's policy on self-archiving and under Creative Commons Attribution License 4.0.
Permission documentation on file.
DOI: https://doi.org/10.3390/microorganisms4010001