AI Article Synopsis
- 501 sediment samples from saline and thermal environments were collected to test if microbial communities were pre-adapted for better fermentation performance.
- Multivariate statistics were used to evaluate how well these communities could break down cellulose and produce carboxylic acids, revealing that soil conductance was positively linked to certain acid production but negatively correlated with conversion efficiency.
- The study emphasizes that the characteristics of the sediment inoculum play a crucial role in optimizing productivity for fermentation processes.
Article Abstract
To test the hypothesis that microbial communities from saline and thermal sediment environments are pre-adapted to exhibit superior fermentation performances, 501 saline and thermal samples were collected from a wide geographic range. Each sediment sample was screened as inoculum in a 30-day batch fermentation. Using multivariate statistics, the capacity of each community was assessed to determine its ability to degrade a cellulosic substrate and produce carboxylic acids in the context of the inoculum sediment chemistry. Conductance of soils was positively associated with production of particular acids, but negatively associated with conversion efficiency. In situ sediment temperature and conversion efficiency were consistently positively related. Because inoculum characteristics influence carboxylate platform productivity, optimization of the inoculum is an important and realistic goal.
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| http://dx.doi.org/10.1016/j.biortech.2013.12.105 | DOI Listing |
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