two novel species of tetrodotoxin-producing bacteria isolated from toxic marine puffer fishes.out of eight dominant discrete bacterial colonies isolated and purified from the toxic marine puffer fishes collected in hong kong waters, two novel species of non-sporing, non-acid-fast and chemoorganotrophic bacteria capable of producing tetrodotoxin (ttx, a potent non-protein neurotoxin), as well as one previously reported and confirmed ttx-producing bacterium. they were identified as microbacterium arabinogalactanolyticum, serratia marcescens and vibrio alginolyticus, respectively, all of wh ...200415501290
vertical distribution and anaerobic biodegradation of polycyclic aromatic hydrocarbons in mangrove sediments in hong kong, south china.the vertical distribution of polycyclic aromatic hydrocarbons (pahs) at different sediment depths, namely 0-2 cm, 2-4 cm, 4-6 cm, 6-10 cm, 10-15 cm and 15-20 cm, in one of the most contaminated mangrove swamps, ma wan, hong kong was investigated. it was the first time to study the intrinsic potential of deep sediment to biodegrade pahs under anaerobic conditions and the abundance of electron acceptors in sediment for anaerobic degradation. results showed that the total pahs concentrations (summa ...200919683792
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