Degradation of bacterial lipopolysaccharides by digestive-gland extracts of marine bivalve molluscs |
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| Affiliation: | 1. School of Science, Anhui University of Science and Technology, Huainan, Anhui 232001, PR China;2. College of Mathematics and Econometrics, Hunan University, Changsha, Hunan 410082, PR China;1. Department of Chemical Biology, Fakultät für Biologie, Centre for Medical Biotechnology, University Duisburg-Essen, Universitätsstraße 2, 45117 Essen, Germany;2. Department of Bioengineering Sciences, Microbiology Unit, Vrije Universiteit Brussel and VIB Department of Structural Biology, Pleinlaan 2, 1050 Brussels, Belgium;3. Plant Chemetics Lab, Max-Planck-Institute for Plant Breeding Research, Carl-von-Linné-Weg 10, 50829 Cologne, Germany;1. Shandong Provincial Key Laboratory of Optics and Photonic Device, College of Physics and Electronics, Shandong Normal University, Jinan 250014, China;2. School of Science, Qilu University of Technology, Jinan 250353, China;3. Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore;3. INSERM U1016, Institut Cochin, UMR-S1016 Paris, France;4. @@@@@CNRS UMR 8104, UMR-S1016 Paris, France;5. Université Paris Descartes, UMR-S1016 Paris, France;6. Centre National de Référence des Streptocoques, Institut Cochin, Assistance Publique Hôpitaux de Paris, 75014 Paris, France;3. Maurice Wilkins Centre and Biomolecular Interaction Centre, Department of Chemistry, University of Canterbury, Christchurch 8140, New Zealand;4. Maurice Wilkins Centre and School of Biological Sciences, University of Auckland, Auckland 1142, New Zealand;5. Institute of Fundamental Sciences, Massey University, Palmerston North 4442, New Zealand |
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| Abstract: | - 1.1. Crude digestive gland extract (DGE) of 5 species of marine bivalve mollusc had glycosidase activity against lipopolysaccharides (LPS) of gram-negative bacteria.
- 2.2. Most of these extracts, after ammonium sulphate precipitation, had higher glycosidase activity than commercial Helix pomatia gut juice.
- 3.3. Inorganic phosphate was also released from LPS by the various DGE but the lipid moiety of LPS appeared to be resistant to attack except by a DGE from Cerastoderma edule, which released small quantities of only non-hydroxylated fatty acids.
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