Mitsuaria chitosanitabida gen. nov., sp. nov., an aerobic, chitosanase-producing member of the ‘Betaproteobacteria’

Amakata, Daiki; Matsuo, Yasuhiro; Shimono, Kumiko; Park, Jae Kweon; Yun, Choong-Soo; Matsuda, Hideyuki; Yokota, Akira; Kawamukai, Makoto

doi:10.1099/ijs.0.63629-0

Cited by 47 publications

(26 citation statements)

References 26 publications

(22 reference statements)

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“…The 16S rRNA gene sequence similarity and DNA-DNA hybridization value between strains IAM 12599 T and IAM 12665 were 99?9 and 89?7 %, respectively, suggesting that they belong to a single species. Pseudomonas saccharophila IAM 14368 T was most closely related to Mitsuaria chitosanitabida (Amakata et al, 2005) and Roseateles depolymerans (Suyama et al, 1999), with 97?2 and 96?8 % similarity, respectively. Unfortunately, we could not study the former species further.…”

Section: Resultsmentioning

confidence: 99%

Reclassification of Alcaligenes latus strains IAM 12599T and IAM 12664 and Pseudomonas saccharophila as Azohydromonas lata gen. nov., comb. nov., Azohydromonas australica sp. nov. and Pelomonas saccharophila gen. nov., comb. nov., respectively

Xie

Yokota

2005

International Journal of Systematic and Evolutionary Microbiology

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108

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The aim of this study was to clarify the taxonomic position of the nitrogen-fixing and hydrogen-oxidizing bacteria Alcaligenes latus strains IAM 12599 T , IAM 12664 and IAM 12665 and Pseudomonas saccharophila IAM 14368 T . It was found that the type strain of Alcaligenes latus, IAM 12599 T , showed 99?9 and 96?1 % 16S rRNA gene sequence similarity to strains IAM 12665 and IAM 12664, respectively. A comparison using DNA-DNA hybridization suggested that strains IAM 12599 T and IAM 12665 belong to a single species (89?7 %) and that strain IAM 12664 (35?1 %) forms a separate species. The phenotypic characteristics also support the conclusion that these bacteria should be identified as two species of a new genus: Azohydromonas lata gen. nov., comb. nov. (type strain IAM 12599 T =DSM 1122 T =LMG 3321 T =ATCC 29712 T ; reference strain IAM 12665=DSM 1123=LMG 3325=ATCC 29714) and Azohydromonas australica sp. nov. (type strain IAM 12664 T =DSM 1124 T =LMG 3324 T =ATCC 29713 T ).Pseudomonas saccharophila IAM 14368 T was found to be closely related to the phototrophic bacterium Roseateles depolymerans, with 96?8 % 16S rRNA gene sequence similarity, but the two bacteria are quite different with respect to their metabolism and some significant phenotypic characteristics, suggesting that they cannot be included in a single genus. Further studies on their nifH gene sequences, G+C content of the DNA and cellular fatty acid composition confirm that Pseudomonas saccharophila should be reclassified: the name Pelomonas saccharophila gen. nov., comb. nov. is proposed, with the type strain IAM 14368 T (=LMG 2256 T =ATCC 15946 T ).

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Section: Resultsmentioning

confidence: 99%

Reclassification of Alcaligenes latus strains IAM 12599T and IAM 12664 and Pseudomonas saccharophila as Azohydromonas lata gen. nov., comb. nov., Azohydromonas australica sp. nov. and Pelomonas saccharophila gen. nov., comb. nov., respectively

Xie

Yokota

2005

International Journal of Systematic and Evolutionary Microbiology

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108

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“…M. chitosanitabida is a novel bacterium isolated from soil. It produces chitosan-degrading enzymes; however, its chitinase productivity has not been investigated (3). The isolates in BP1 were grouped into 3 clusters, MIT1, MIT2, and MIT3, all of which were clearly separated from the type strain M. chitosanitabida 3001…”

Section: Discussionmentioning

confidence: 99%

Diversity of Culturable Chitinolytic Bacteria from Rhizospheres of Agronomic Plants in Japan

et al. 2011

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A total of 100 isolates of chitinolytic bacteria were obtained from the rhizospheres of various agronomic plants, and the 16S rRNA gene sequences of these isolates were determined. Phylogenetic analyses revealed that 81 isolates belonged to the classes Betaproteobacteria (39 isolates) and Gammaproteobacteria (42 isolates). Of the remaining 19 isolates, 16 belonged to the phylum Firmicutes. Clustering analysis identified 6 and 3 operational taxonomic units (OTUs) in Gammaproteobacteria and Betaproteobacteria, respectively, at the genus level. The majority of chitinolytic bacteria in Gammaproteobacteria belonged to the genera Serratia, Stenotrophomonas, and Lysobacter (14, 15, and 7 isolates, respectively) while those in Betaproteobacteria belonged to the genus Mitsuaria (37 isolates). The 16 isolates placed in Firmicutes belonged to 2 genera, Paenibacillus and Bacillus (8 isolates each). The isolates in the remaining OTUs belonged to the genera Erwinia, Aeromonas, Pseudomonas, Achromobacter, Flavobacterium, and Microbacterium, in less abundance. These results showed a wide distribution of culturable chitinolytic bacteria in the rhizospheres of various agronomic plants. Considering the potential antagonistic activity of chitinolytic enzymes against phytopathogenic fungi, which is exhibited by fungal cell wall degradation, the above-mentioned native chitinolytic bacteria in rhizospheres could potentially be utilized for the biological control of soil-borne phytopathogenic fungi.

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“…The genera Aquabacterium (Kalmbach et al, 1999), Ideonella (Malmqvist et al, 1994), Rubrivivax (Willems et al, 1991), Roseateles (Suyama et al, 1999), Azohydromonas (Xie & Yokota, 2005), Mitsuaria (Amakata et al, 2005) and Pelomonas (Xie & Yokota, 2005;Gomila et al, 2007) are phylogenetically closely related to the Sphaerotilus-Leptothrix group. These genera form the Rubrivivax line of descent, which is associated with the family Comamonadaceae (Wen et al, 1999).…”

mentioning

confidence: 99%

Description of Roseateles aquatilis sp. nov. and Roseateles terrae sp. nov., in the class Betaproteobacteria, and emended description of the genus Roseateles

Gomila

Bowien

Falsen

et al. 2008

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLO

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Mitsuaria chitosanitabida gen. nov., sp. nov., an aerobic, chitosanase-producing member of the ‘Betaproteobacteria’

Cited by 47 publications

References 26 publications

Reclassification of Alcaligenes latus strains IAM 12599T and IAM 12664 and Pseudomonas saccharophila as Azohydromonas lata gen. nov., comb. nov., Azohydromonas australica sp. nov. and Pelomonas saccharophila gen. nov., comb. nov., respectively

Reclassification of Alcaligenes latus strains IAM 12599T and IAM 12664 and Pseudomonas saccharophila as Azohydromonas lata gen. nov., comb. nov., Azohydromonas australica sp. nov. and Pelomonas saccharophila gen. nov., comb. nov., respectively

Diversity of Culturable Chitinolytic Bacteria from Rhizospheres of Agronomic Plants in Japan

Description of Roseateles aquatilis sp. nov. and Roseateles terrae sp. nov., in the class Betaproteobacteria, and emended description of the genus Roseateles

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