Biological Sciences Faculty Publications
Document Type
Article
Abstract
The phylum is composed of a single class (), 4 orders (), 5 families (), and 13 genera. They have been isolated from extremely hot environments whose characteristics are reflected in the metabolic and phenotypic properties of the species. The metabolic versatility of members leads to a pool of high value-added products with application potentials in many industry fields. The low risk of contamination associated with their extreme culture conditions has made most species of the phylum attractive candidates in biotechnological processes. Almost all members of the phylum, especially those in the order , can produce bio-hydrogen from a variety of simple and complex sugars with yields close to the theoretical Thauer limit of 4 mol H/mol consumed glucose. Acetate, lactate, and L-alanine are the major organic end products. Thermotagae fermentation processes are influenced by various factors, such as hydrogen partial pressure, agitation, gas sparging, culture/headspace ratio, inoculum, pH, temperature, nitrogen sources, sulfur sources, inorganic compounds, metal ions, etc. Optimization of these parameters will help to fully unleash the biotechnological potentials of and promote their applications in industry. This article gives an overview of how these operational parameters could impact fermentation in terms of sugar consumption, hydrogen yields, and organic acids production.
Copyright Statement
Publisher PDF
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.
Repository Citation
Lanzilli, Mariamichela; Esercizio, Nunzia; Vastano, Marco; Xu, Zhaohui; Nuzzo, Genoveffa; Gallo, Carmela; Manzo, Emiliano; Fontana, Angelo; and d'Ippolito, Giuliana, "Effect of Cultivation Parameters on Fermentation and Hydrogen Production in the Phylum" (2020). Biological Sciences Faculty Publications. 92.
https://scholarworks.bgsu.edu/bio_sci_pub/92
Publication Date
12-30-2020
Publication Title
International journal of Molecular Sciences
Publisher
MDPI
DOI
https://doi.org/10.3390/ijms22010341
Volume
22
Issue
1