Emended description of the genus Tabrizicola and the species Tabrizicola aquatica as aerobic anoxygenic phototrophic bacteria

Tarhriz, Vahideh; Hirose, Shouichi; Fukushima, Shun-ichi; Hejazi, Mohammad Amin; Imhoff, Johannes F.; Thiel, Vera; Hejazi, Mohammad Saeid

doi:10.1007/s10482-019-01249-9

Cited by 29 publications

(29 citation statements)

References 19 publications

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“…Several studies investigated the abilities of this novel genus such as polycyclic aromatic hydrocarbons (PAHs) bio-remediation, Heavy metal bio-absorption and ability of photo-litho/ chemo trophy. 20 In this study, the antimicrobial activity was verified against bacterial and fungal pathogens by agar well diffusion. Previous studies using plant secondary metabolites reported that gram-positive bacteria were more resistant to the antimicrobial agents than gram-negative bacteria, 21,22 however, no obvious difference of susceptibility of the tested antimicrobial agents was found between gram-positive and gram-negative bacteria in this study.…”

Section: Discussionmentioning

confidence: 99%

Antibacterial and Antifungal Activity of Novel Freshwater Bacterium Tabrizicola aquatica as a Prominent Natural Antibiotic Available in Qurugol Lake

et al. 2020

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Background : Recently, resistant pathogenic microorganisms have become increasingly wide spread. The search for new natural antibiotics is a viable solution to this problem. For this aim we investigated the antimicrobial ability of Tabrizicola aquatica, the novel bacterium isolated from Qurugol Lake located nearby Tabriz city, Iran. Methods: The antimicrobial properties of Tabrizacola aquatica was investigated using well diffusion test. Tabtizicola aquatica was incubated at 40℃ in shaking incubator at 150 rpm for 14 days. The culture was centrifuged to obtain cell free supernatant, which was sterilized using 0.2 μm filter paper and lyophilized. Microorganisms were lawn and then wells were prepared over the agar plates. About 100 ml of the diluted lyophilized supernatant was added to the wells. The plates then were incubated at 37℃. After 48 hours, antimicrobial activity was defined by measuring the inhibition zone diameter. Results: The bacterial filtrates had considerable antagonistic effect against Escherichia coli, Rhizobium radiobacter, Pseudomonas syringae, Erwinia amylovora, Botrytis cinerea, Neurospora crassa and Fusarium oxysporum. However, the filtrates did not show any inhibitory action on the Aspergillus flavus and Klebsiella pneumonia. The supernatant decreased the growth zone on Streptococcus aureus, Pseudomonas aeruginosa, Shigella flexneri, Xanthomonas camoestris and Bassilus cereos. The result of MIC against pathogens was found for Neurospora crassa in the 50 µg/mL. Conclusion: The results, suggested that Tabrizicola aquatica and similar bacteria can be helpful to control freshwater natural water sources from pathogenic microorganism. Moreover, microbial natural products are still the most promising source of new antibiotics. Our results point out a scope for characterization of the metabolites and could be a candidate in the identification of novel antibiotics.

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Section: Discussionmentioning

confidence: 99%

Antibacterial and Antifungal Activity of Novel Freshwater Bacterium Tabrizicola aquatica as a Prominent Natural Antibiotic Available in Qurugol Lake

et al. 2020

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“…To identify the growth range and optimal growth conditions of strain K13M18 T , the bacterium was cultivated under different growth conditions on MA plates. First, a growth temperature test was conducted to test the optimal growth temperature of strain K13M18 T , at 10 different temperatures (4,10,15,20,25,30,37, 45, 55 and 65 °C). Strain K13M18 T grew at 15-37 °C and the best growth temperature was 30 °C.…”

Section: Pseudorhodobacter Collinsensis 4-t-34 T (Km978076)mentioning

confidence: 99%

“…The main respiratory quinone of the isolate was ubiquinone Q-10. Recently, the type species of the genus Tabrizicola, T. aquatica RCRI19 T was emended to aerobic anoxygenic photoheterotrophic bacteria (AAPB) [25]. The newly published T. sediminis DRYC-M-16 T was also identified as AAPB [26].…”

Section: Pseudorhodobacter Collinsensis 4-t-34 T (Km978076)mentioning

confidence: 99%

Tabrizicola piscis sp. nov., isolated from the intestinal tract of a Korean indigenous freshwater fish, Acheilognathus koreensis

Han

Kang

Lee

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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“…Chemotaxonomically, cells possess ubiquinone-10 (Q-10) as the major respiratory quinone, C 18 : 1 ω7c and C 18 : 1 ω7c 11-methyl as the predominant fatty acids, C 18 : 0 3-OH as the cellular hydroxy fatty acid, and DNA G+C contents between 62.9 and 65.9 mol% [5][6][7][8][9][10].…”

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Tabrizicola oligotrophica sp. nov. and Rhodobacter tardus sp. nov., two new species of bacteria belonging to the family Rhodobacteraceae

Sheu

et al. 2020

International Journal of Systematic and Evolutionary Microbiology

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Two Gram-stain-negative, aerobic, non-motile bacteria, designated KMS-5T and CYK-10T, were isolated from freshwater environments. 16S rRNA gene sequence similarity results indicated that these two novel strains belong to the family Rhodobacteraceae . Strain KMS-5T is closely related to species within the genus Tabrizicola (96.1–96.8 % sequence similarity) and Cypionkella (96.5–97.0 %). Strain CYK-10T is closest to Rhodobacter thermarum YIM 73036T with 96.6 % sequence similarity. Phylogenetic analyses based on 16S rRNA gene sequences and an up-to-date bacterial core gene set showed that strain KMS-5T is affiliated with species in the genus Tabrizicola and strain CYK-10T is placed in a distinct clade with Rhodobacter blasticus ATCC 33485T, Rhodobacter thermarum YIM 73036T and Rhodobacter flagellatus SYSU G03088T. These two strains shared common chemotaxonomic features comprising Q-10 as the major quinone, phosphatidylethanolamine, phosphatidylglycerol and phosphatidylcholine as the principal polar lipids, and C18 : 1 ω7c as the main fatty acid. The average nucleotide identity, average amino acid identity and digital DNA–DNA hybridization values between these two novel isolates and their closest relatives were below the cut-off values of 95–96, 90 and 70 %, respectively, used for species demarcation. The obtained polyphasic taxonomic data suggested that strain KMS-5T represents a novel species within the genus Tabrizicola , for which the name Tabrizicola oligotrophica sp. nov. is proposed with KMS-5T (=BCRC 81196T=LMG 31337T) as the type strain, and strain CYK-10T should represent a novel species of the genus Rhodobacter , for which the name Rhodobacter tardus sp. nov. is proposed with CYK-10T (=BCRC 81191T=LMG 31336T) as the type strain.

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Emended description of the genus Tabrizicola and the species Tabrizicola aquatica as aerobic anoxygenic phototrophic bacteria

Cited by 29 publications

References 19 publications

Antibacterial and Antifungal Activity of Novel Freshwater Bacterium Tabrizicola aquatica as a Prominent Natural Antibiotic Available in Qurugol Lake

Antibacterial and Antifungal Activity of Novel Freshwater Bacterium Tabrizicola aquatica as a Prominent Natural Antibiotic Available in Qurugol Lake

Tabrizicola piscis sp. nov., isolated from the intestinal tract of a Korean indigenous freshwater fish, Acheilognathus koreensis

Tabrizicola oligotrophica sp. nov. and Rhodobacter tardus sp. nov., two new species of bacteria belonging to the family Rhodobacteraceae

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