Pseudidiomarina donghaiensis sp. nov. and Pseudidiomarina maritima sp. nov., isolated from the East China Sea

Wu, Yue‐Hong; Shen, Yuqiang; Xu, Xue-Wei; Wang, Chunsheng; Oren, Aharon; Wu, Min

doi:10.1099/ijs.0.005702-0

Cited by 29 publications

(15 citation statements)

References 25 publications

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“…These bacteria, with the possible exception of Pseudidiomarina (however, there is no report on the hydrocarbon-degrading activity from all the type strains of Pseudidiomarina ), grow on a broad range of carbon sources [15], [44], [45]. Maybe the most and third abundant species of genera Alteromonas and Erythrobacter , respectively, detected at Sentosa (Table 2) would not degrade petroleum hydrocarbons, because no hydrocarbon-degrading activity was detected with type strains of Alteromonas macleodii and Erythrobacter aquimaris in this study.…”

Section: Resultsmentioning

confidence: 99%

Specialized Hydrocarbonoclastic Bacteria Prevailing in Seawater around a Port in the Strait of Malacca

2013

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Major degraders of petroleum hydrocarbons in tropical seas have been indicated only by laboratory culturing and never through observing the bacterial community structure in actual environments. To demonstrate the major degraders of petroleum hydrocarbons spilt in actual tropical seas, indigenous bacterial community in seawater at Sentosa (close to a port) and East Coast Park (far from a port) in Singapore was analyzed. Bacterial species was more diverse at Sentosa than at the Park, and the composition was different: γ-Proteobacteria (57.3%) dominated at Sentosa, while they did not at the Park. Specialized hydrocarbonoclastic bacteria (SHCB), which use limited carbon sources with a preference for petroleum hydrocarbons, were found as abundant species at Sentosa, indicating petroleum contamination. On the other hand, SHCB were not the abundant species at the Park. The abundant species of SHCB at Sentosa were Oleibacter marinus and Alcanivorax species (strain 2A75 type), which have previously been indicated by laboratory culturing as important petroleum-aliphatic-hydrocarbon degraders in tropical seas. Together with the fact that SHCB have been identified as major degraders of petroleum hydrocarbons in marine environments, these results demonstrate that the O. marinus and Alcanivorax species (strain 2A75 type) would be major degraders of petroleum aliphatic hydrocarbons spilt in actual tropical seas.

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Section: Resultsmentioning

confidence: 99%

Specialized Hydrocarbonoclastic Bacteria Prevailing in Seawater around a Port in the Strait of Malacca

2013

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“…However, the species of Pseudidiomarina were recently reassigned to the genus Idiomarina (Taborda et al, 2009) because of the difficulty in differentiating the two genera by phenotypic characteristics. At the time of writing, the genus Idiomarina accommodated 16 species, Idiomarina abyssalis (Ivanova et al, 2000), I. baltica (Brettar et al, 2003), I. fontislapidosi (Martínez-Cánovas et al, 2004), I. loihiensis (Donachie et al, 2003), I. ramblicola (Martínez-Cánovas et al, 2004), I. seosinensis (Choi & Cho, 2005), I. zobellii (Ivanova et al, 2000), I. insulisalsae, I. taiwanensis, I. homiensis, I. marina, I. salinarum, I. sediminum and I. tainanensis (Taborda et al, 2009), and I. donghaiensis and I. maritima (Wu et al (2009); the latter eight formerly belonged to the genus Pseudidiomarina. Members of the genus Idiomarina have been isolated from saline habitats with a wide range of salinity, such as coastal and oceanic waters, coastal sediments, inland hypersaline wetlands, solar salterns and submarine hydrothermal fluids.…”

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Aliidiomarina taiwanensis gen. nov., sp. nov., isolated from shallow coastal water

Huang

Chang

Chen

et al. 2012

International Journal of Systematic and Evolutionary Microbiology

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A Gram-negative, heterotrophic, aerobic, marine bacterium, designated AIT1T, was isolated from a seawater sample collected in the shallow coastal region of Bitou Harbour, New Taipei City, Taiwan. Cells grown in broth cultures were straight or slightly curved rods that were motile by means of a single polar flagellum. Strain AIT1T required NaCl for growth, grew optimally at 30–40 °C and with 1.5–5.0 % NaCl, and was incapable of anaerobic growth by fermentation of glucose or other carbohydrates. The isoprenoid quinones consisted of Q-8 (95.2 %) and Q-9 (4.8 %). The major polar lipids comprised diphosphatidylglycerol, phosphatidylglycerol and phosphatidylethanolamine. The cellular fatty acids were predominantly iso-branched and included iso-C17 : 0 (26.5 %), summed feature 9 (comprising iso-C17 : 1ω9c and/or 10-methyl C16 : 0; 25.9 %) and iso-C15 : 0 (20.5 %). The DNA G+C content was 51.5 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain AIT1T formed a distinct lineage within the class Gammaproteobacteria and was most closely related to members of the genus Idiomarina in the family Idiomarinaceae (91.5–93.9 % 16S rRNA gene sequence similarity). The phylogenetic data, together with chemotaxonomic, physiological and morphological data, revealed that the isolate should be classified as a representative of a novel species in a new genus in the family Idiomarinaceae, for which the name Aliidiomarina taiwanensis gen. nov., sp. nov. is proposed. The type strain is AIT1T ( = JCM 16052T = BCRC 80035T = NCCB 100321T).

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“…The family Idiomarinaceae comprises two recognized genera: Idiomarina (Ivanova et al, 2000) as the type genus and Pseudidiomarina (Jean et al, 2006). Several species of the genus Pseudidiomarina are non-motile, while all species of the genus Idiomarina are motile by means of flagella.At the time of writing, the genus Pseudidiomarina comprises eight species, with Pseudidiomarina taiwanensis as the type species (Jean et al, 2006(Jean et al, , 2009Hu & Li, 2007;Wu et al, 2009). Members of the genus Pseudidiomarina have been isolated from saline habitats with a wide range of salinities such as coastal and oceanic waters, seashore sands, coastal sediment and solar salterns (Jean et al, 2006(Jean et al, , 2009Kwon et al, 2006;Yoon et al, 2007;Hu & Li, 2007;Wu et al, 2009).…”

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confidence: 99%

“…Members of the genus Pseudidiomarina have been isolated from saline habitats with a wide range of salinities such as coastal and oceanic waters, seashore sands, coastal sediment and solar salterns (Jean et al, 2006(Jean et al, , 2009Kwon et al, 2006;Yoon et al, 2007;Hu & Li, 2007;Wu et al, 2009). During a survey of the diversity of heterotrophic marine bacteria, a bacterial strain, KYW314 T , was recovered from seawater samples collected from the shallow coastal region of Gwangyang Bay in the south of the Republic of Korea (34 u 519 N 128 u 479 E) in July 2008.…”

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Pseudidiomarina aestuarii sp. nov., a marine bacterium isolated from shallow coastal seawater

Park

Lim

Baik

et al. 2010

International Journal of Systematic and Evolutionary Microbiology

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A non-motile, rod-shaped and aerobic marine bacterium, designated strain KYW314 T , was isolated from seawater collected from the South Sea, Republic of Korea. Cells were Gramnegative, catalase-and oxidase-positive and had proteolytic activity. The major fatty acids were iso-C 15 : 0 (17.2 %), C 16 : 0 (11.1 %), iso-C 17 : 0 (10.5 %) and C 18 : 1 v7c (10.0 %). The DNA G+C content was 56.4 mol%. A phylogenetic tree based on 16S rRNA gene sequences showed that strain KYW314 T formed a lineage within the genus Pseudidiomarina (95.4-97.3 % sequence similarity) and a distinct branch within the clade containing Pseudidiomarina taiwanensis PIT1 T and Pseudidiomarina sediminum c121 T . Phenotypic characteristics could distinguish strain KYW314 T from members of the genus Pseudidiomarina. On the basis of the data presented, strain KYW314 T represents a novel species, for which the name Pseudidiomarina aestuarii sp. nov. is proposed. The type strain is KYW314 T (5KCTC 22740 T 5JCM 16344 T ).A study of Alteromonas-like bacteria by Ivanova et al. (2004) resulted in the proposal of the family Idiomarinaceae, on the basis of phylogeny and signature nucleotide positions in the 16S rRNA gene. Members of the family Idiomarinaceae are unique among Alteromonas-like bacteria in possessing a high content of iso-branched fatty acids (Ivanova et al., 2004). The family Idiomarinaceae comprises two recognized genera: Idiomarina (Ivanova et al., 2000) as the type genus and Pseudidiomarina (Jean et al., 2006). Several species of the genus Pseudidiomarina are non-motile, while all species of the genus Idiomarina are motile by means of flagella.At the time of writing, the genus Pseudidiomarina comprises eight species, with Pseudidiomarina taiwanensis as the type species (Jean et al., 2006(Jean et al., , 2009Hu & Li, 2007;Wu et al., 2009). Members of the genus Pseudidiomarina have been isolated from saline habitats with a wide range of salinities such as coastal and oceanic waters, seashore sands, coastal sediment and solar salterns (Jean et al., 2006(Jean et al., , 2009Kwon et al., 2006;Yoon et al., 2007;Hu & Li, 2007;Wu et al., 2009). During a survey of the diversity of heterotrophic marine bacteria, a bacterial strain, KYW314 T , was recovered from seawater samples collected from the shallow coastal region of Gwangyang Bay in the south of the Republic of Korea (34 u 519 N 128 u 479 E) in July 2008. Strain KYW314 T was isolated from seawater using the standard dilution-plating technique. Isolation was achieved using marine agar 2216 (MA; BD) (Yang et al., 2006) at 30 u C for 7 days. The isolate was routinely cultured on MA and maintained at -80 u C as a suspension in marine broth (MB; BD) containing glycerol (20 %, w/v).DNA preparation and PCR amplification and sequencing of the 16S rRNA gene were carried out as described by Chun & Goodfellow (1995). Identification of phylogenetic neighbours and calculation of pairwise 16S rRNA gene sequence similarities were achieved using the EzTaxon server (http:// www.eztaxon.org/; Chun et al., 2007). ...

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Pseudidiomarina donghaiensis sp. nov. and Pseudidiomarina maritima sp. nov., isolated from the East China Sea

Cited by 29 publications

References 25 publications

Specialized Hydrocarbonoclastic Bacteria Prevailing in Seawater around a Port in the Strait of Malacca

Specialized Hydrocarbonoclastic Bacteria Prevailing in Seawater around a Port in the Strait of Malacca

Aliidiomarina taiwanensis gen. nov., sp. nov., isolated from shallow coastal water

Pseudidiomarina aestuarii sp. nov., a marine bacterium isolated from shallow coastal seawater

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