R. -R. Wu results 11
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The catalysts for many microbially mediated environmental processes such as the dechlorination of polychlorinated biphenyls (PCBs) have been difficult to identify by traditional isolation techniques. Numerous, as yet unsuccessful, attempts have been made to isolate and culture the dechlorinating species. To overcome this limitation, amplified rDNA restriction analysis (ARDRA) of a clone library, denaturing gradient gel electro...
Two cellulose‐fermenting methanogenic enrichment cultures originating from rice soil, one at 15°C with Methanosaeta and the other at 30°C with Methanosarcina as the dominant acetoclastic methanogen, both degraded cellulose anaerobically via propionate, acetate and H 2 to CH 4 . The degradation was a two‐stage process, with CH 4 production mainly from H 2 /CO 2 and accumulation of acetate and propionate during the first, and me...
Cultured cobia, Rachycentron canadum , of 45–80 g exhibited anaemia and ascites, and a mottled red and grey, extremely enlarged kidney with cream‐coloured patches or spherical nodules. Cumulative mortality was about 90% within 1 month. Extrasporogonic or sporogonic stages of a myxosporean appeared in the blood, glomerulus, renal tubules and renal interstitium. The renal tubules were the main target tissue of the parasite and w...
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