Biosynthesis of Extracellular Polymeric Substances by the Marine Bacterium Saccharophagus degradans under Different Nutritional Conditions
Joint Authors
González-García, Yolanda
Heredia, Alejandra
Meza-Contreras, Juan Carlos
Escalante, Froylán M. E.
Camacho-Ruiz, Rosa María
Córdova, Jesús
Source
International Journal of Polymer Science
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-10-19
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
The effect of carbon source, carbon to nitrogen (C/N) ratio, and limitation in nutrients (N, P, K, Ca, Mg, and Fe) on extracellular polymeric substances (EPS) synthesis by the marine bacterium Saccharophagus degradans was studied.
This strain was able to grow in mineral medium and produce EPS with different efficiency according to the C source used (g EPS/L): glucose or starch (1.5 ± 0.2); galactose, sucrose, or xylose (0.7 ± 0.2); and fructose (0.3 ± 0.1).
The C/N ratio (glucose/ammonium) had a significant effect on EPS biosynthesis due to its production rise as the C/N ratio increased from 3 to 100 (0.7 to 2.1 g EPS/L).
It was also observed that limitation in nutrients such as N, P, K, Ca, Mg, and Fe also favored EPS biosynthesis.
When taking into account both factors (C/N ratio, 100; nutrients limitation, 50%) a positive synergistic effect was noted on EPS production since under these conditions the maximum concentration obtained was 4.12 ± 0.3 g/L after 72 h of culture.
The polymer was found to be a polysaccharide of mainly glucose, mannose, and galactose.
This is the first report on EPS production by S.
degradans which is a new feature of this versatile marine bacterium.
American Psychological Association (APA)
González-García, Yolanda& Heredia, Alejandra& Meza-Contreras, Juan Carlos& Escalante, Froylán M. E.& Camacho-Ruiz, Rosa María& Córdova, Jesús. 2015. Biosynthesis of Extracellular Polymeric Substances by the Marine Bacterium Saccharophagus degradans under Different Nutritional Conditions. International Journal of Polymer Science،Vol. 2015, no. 2015, pp.1-7.
https://search.emarefa.net/detail/BIM-1066794
Modern Language Association (MLA)
González-García, Yolanda…[et al.]. Biosynthesis of Extracellular Polymeric Substances by the Marine Bacterium Saccharophagus degradans under Different Nutritional Conditions. International Journal of Polymer Science No. 2015 (2015), pp.1-7.
https://search.emarefa.net/detail/BIM-1066794
American Medical Association (AMA)
González-García, Yolanda& Heredia, Alejandra& Meza-Contreras, Juan Carlos& Escalante, Froylán M. E.& Camacho-Ruiz, Rosa María& Córdova, Jesús. Biosynthesis of Extracellular Polymeric Substances by the Marine Bacterium Saccharophagus degradans under Different Nutritional Conditions. International Journal of Polymer Science. 2015. Vol. 2015, no. 2015, pp.1-7.
https://search.emarefa.net/detail/BIM-1066794
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1066794