1887

Abstract

A diazotroph capable of accumulating significant amounts of polyhydroxyalkanoate was isolated in New Zealand from a bioreactor treating nitrogen-deficient pulp and paper-mill effluent. Strain Y88 is Gram-negative, rod-shaped and positive for catalase, nitrate reductase and urease activities. The complete 16S rRNA gene sequence was most similar to those of other members of the genus , the highest level of similarity (94.7 %) being found with respect to the type strain of . The combined phenotypic, chemotaxonomic and sequence data show that while strain Y88 belongs to the genus , it is distinct from all currently recognized species. Therefore, strain Y88 represents the first nitrogen-fixing species of the genus , for which the name sp. nov. is proposed. The type strain is Y88 (=ICMP 16470=DSM 19370).

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2007-11-01
2020-01-27
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vol. , part 11, pp. 2467 - 2471

Transmission electron micrograph of Y88 cells containing polyhydroxyalkanoate granules [PDF](328 KB)



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