| Taxonomy Citation ID | Reference | ||||
|---|---|---|---|---|---|
| 10483 |
Yoon JH,
Kim H,
Kang KH,
Oh TK,
Park YH,
( 2003 ) Transfer of Pseudomonas elongata Humm 1946 to the genus Microbulbifer as Microbulbifer elongatus comb. nov. PMID : 13130018 DOI : 10.1099/ijs.0.02464-0 Abstract >>
Phylogenetic analysis based on 16S rDNA sequences revealed that Pseudomonas elongata Humm 1946 is more closely related to the genus Microbulbifer than to authentic pseudomonads. The type strain of P. elongata (DSM 6810(T)) exhibited 16S rDNA similarity levels of 97.5 and 98.2 % to the type strains of Microbulbifer hydrolyticus and Microbulbifer salipaludis, respectively, but of less than approximately 92 % to Pseudomonas species with known 16S rDNA sequences. Respiratory lipoquinone and cellular fatty acid analyses showed that the type strain of P. elongata has characteristics similar to those of the genus Microbulbifer, not those of the genus Pseudomonas. P. elongata DSM 6810(T) contained ubiquinone-8 as the predominant respiratory lipoquinone and iso-C(15 : 0) as the major fatty acid. DNA-DNA relatedness data indicate that P. elongata is a species distinct from M. hydrolyticus and M. salipaludis. Therefore, on the basis of these data, P. elongata Humm 1946 should be transferred to the genus Microbulbifer as Microbulbifer elongatus comb. nov.
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| 12490 | Skerman, V.B.D., McGowan, V., and Sneath, P.H.A. (editors). "Approved lists of bacterial names." Int. J. Syst. Bacteriol. (1980) 30:225-420. [See 'Approved Lists of Bacterial Names' LinkOut below.] | 4943 |
Kim H,
Park JY,
Anzai Y,
( 2000 ) Phylogenetic affiliation of the pseudomonads based on 16S rRNA sequence. PMID : 10939664 DOI : 10.1099/00207713-50-4-1563 Abstract >>
The broad and vague phenotypic definition allowed the genus Pseudomonas to become a dumping ground for incompletely characterized polarly flagellated, gram-negative, rod-shaped, aerobic bacteria, and a large number of species have been accommodated in the genus Pseudomonas. The 16S rRNA sequences of 128 valid and invalid Pseudomonas species, which included almost valid species of the genus Pseudomonas listed in the Approved Lists of Bacterial Names, were obtained: sequences of 59 species were determined and those of 69 species were obtained from the GenBank/EMBL/DDBJ databases. These sequences were compared with the sequences of other species of the Proteobacteria. Fifty-seven valid or invalid species including Pseudomonas aeruginosa (type species of the genus Pseudomonas Migula 1894) belonged to the genus Pseudomonas (sensu stricto). Seven subclusters were formed in the cluster of the genus Pseudomonas (sensu stricto), and the resulting clusters conformed well to the rRNA-DNA hybridization study by Palleroni (1984). The other species did not belong to the genus Pseudomonas (sensu stricto) and were related to other genera, which were placed in four subclasses of the Proteobacteria (alpha, beta, gamma and gamma-beta subclasses). Twenty-six examined species, which were not included in the cluster of the Pseudomonas (sensu stricto) and have not been transferred to other genera as yet, are listed alphabetically: 'Pseudomonas abikonensis', Pseudomonas antimicrobica, Pseudomonas beijerinckii, Pseudomonas beteli, Pseudomonas boreopolis, 'Pseudomonas butanovora', Pseudomonas carboxydohydrogena, Pseudomonas cissicola, Pseudomonas doudoroffii, Pseudomonas echinoides, Pseudomonas elongata, Pseudomonas flectens, Pseudomonas geniculata, Pseudomonas halophila, Pseudomonas hibiscicola, Pseudomonas huttiensis, Pseudomonas iners, Pseudomonas lanceolata, Pseudomonas lemoignei, Pseudomonas mephitica, Pseudomonas pictorum, Pseudomonas saccharophila, Pseudomonas spinosa, Pseudomonas stanier, Pseudomonas syzygii and Pseudomonas woodsii. The phylogenetic affiliations of these 26 pseudomonads species are shown.
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