Firmicutes dominate the bacterial taxa within sugar-cane processing plants

Sharmin, Farhana, Wakelin, Steve, Huygens, Flavia, & Hargreaves, Megan (2013) Firmicutes dominate the bacterial taxa within sugar-cane processing plants. Scientific Reports, 3(3107).

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Abstract

Sugar cane processing sites are characterised by high sugar/hemicellulose levels, available moisture and warm conditions, and are relatively unexplored unique microbial environments. The PhyloChip microarray was used to investigate bacterial diversity and community composition in three Australian sugar cane processing plants. These ecosystems were highly complex and dominated by four main Phyla, Firmicutes (the most dominant), followed by Proteobacteria, Bacteroidetes, and Chloroflexi. Significant variation (p , 0.05) in community structure occurred between samples collected from ‘floor dump sediment’, ‘cooling tower water’, and ‘bagasse leachate’. Many bacterial Classes contributed to these differences, however most were of low numerical abundance. Separation in community composition was also linked to Classes of Firmicutes, particularly Bacillales, Lactobacillales and Clostridiales, whose dominance is likely to be linked to their physiology as ‘lactic acid bacteria’, capable of fermenting the sugars present. This process may help displace other bacterial taxa, providing a competitive advantage for Firmicutes bacteria.

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ID Code: 67252
Item Type: Journal Article
Refereed: Yes
Keywords: Firmicutes, sugar-cane, phylochip, phlya
DOI: 10.1038/srep03107
ISSN: 2045-2322
Subjects: Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > MICROBIOLOGY (060500) > Microbial Ecology (060504)
Divisions: Current > Schools > School of Biomedical Sciences
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2013 Please consult the authors
Copyright Statement: This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/
Deposited On: 12 Feb 2014 06:03
Last Modified: 13 Feb 2014 11:58

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