Phenylacetic and Phenylpropionic Acids Do Not Affect Xylan Degradation by Ruminococcus albus
| Autor: | Carine Reveneau, Sarah E. Adams, Mark Morrison, Michael A. Cotta |
|---|---|
| Rok vydání: | 2003 |
| Předmět: |
animal structures
Applied Microbiology and Biotechnology chemistry.chemical_compound Ruminococcus Animals Food science Peptococcaceae Phenylacetates Growth medium Phenylpropionates Ecology biology biochemical phenomena metabolism and nutrition respiratory system Biodegradation Carbohydrate Physiology and Biotechnology biology.organism_classification Xylan Culture Media carbohydrates (lipids) Biodegradation Environmental Biochemistry chemistry Xylanase Xylans Bacteria Food Science Biotechnology |
| Zdroj: | Applied and Environmental Microbiology. 69:6954-6958 |
| ISSN: | 1098-5336 0099-2240 |
| DOI: | 10.1128/aem.69.11.6954-6958.2003 |
| Popis: | Since the addition of either ruminal fluid or a combination of phenylacetic and phenylpropionic acids (PAA/PPA) has previously been shown to dramatically improve cellulose degradation and growth of Ruminococcus albus , it was of interest to determine the effects of these additives on xylan-grown cultures. Although cell-bound xylanase activity increased when either PAA/PPA or ruminal fluid was added to the growth medium, total xylanase did not change, and neither of these supplements affected the growth or xylan-degrading capacity of R. albus 8. Similarly, neither PAA/PPA nor ruminal fluid affected xylan degradation by multiple strains of R. albus when xylan prepared from oat spelts was used as a carbohydrate source. These results show that the xylanolytic potential of R. albus is not conditional on the availability of PAA/PPA or other components of ruminal fluid. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|