AI Article Synopsis

  • A new strain of flavobacterium, identified as 9Alg 151, was isolated from the Pacific red alga Tichocarpus crinitus and is classified as a novel species in the genus Aquimarina.
  • Phylogenetic analysis revealed that this strain shares 94.2-98.2% similarity in its 16S rRNA gene sequences with known Aquimarina species, indicating its uniqueness.
  • Strain 9Alg 151 exhibits certain characteristics such as growth in saline environments (0.5-5% NaCl), a range of temperature tolerance (5-34°C), and the ability to hydrolyze various compounds, leading to the proposal of the name Aquimarina algiphila sp

Article Abstract

A strictly aerobic, Gram-stain-negative, rod-shaped, motile by gliding and yellow-orange pigmented flavobacterium, designated strain 9Alg 151, was isolated from the Pacific red alga Tichocarpus crinitus. Phylogenetic analysis based on 16S rRNA gene sequences showed that the novel strain fell into the genus Aquimarina of the family Flavobacteriaceae with a 16S rRNA gene sequence similarity range of 94.2-98.2 % to the recognized species of the genus. Strain 9Alg 151 grew in the presence of 0.5-5 % NaCl and at 5-34 °C, and hydrolysed aesculin, agar, gelatin, starch, Tween 40, DNA and chitin. The predominant fatty acids were iso-C17 : 0 3-OH, iso-C15 : 0, iso-C15 : 1 G, iso-C15 : 0 3-OH, iso-C16 : 0, iso-C17 : 1ω8c and summed feature 3. The polar lipid profile comprised phosphatidylethanolamine, three unidentified aminolipids and three unidentified lipids. The major respiratory quinone was MK-6. The genomic DNA G+C content was 32.6 mol%. On the basis of 16S rRNA gene sequence data, and chemotaxonomic and phenotypic characteristics, strain 9Alg 151 represents a novel species of the genus Aquimarina, for which the name Aquimarina algiphila sp. nov. is proposed. The type strain is 9Alg 151 (=KCTC 23622=KMM 6462).

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http://dx.doi.org/10.1099/ijsem.0.002606DOI Listing

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A novel Gram-staining negative, strictly aerobic, rod-shaped, and non-motile bacterium, designated strain 9Alg 56, was isolated from the red alga Tichocarpus crinitus. The phylogenetic analysis based on 16S rRNA gene sequences placed the novel strain within the family Rhodobacteraceae, the order Rhodobacterales, the class Alphaproteobacteria, the phylum Pseudomonadota. The nearest neighbors of the new strain were Pontivivens insulae KCTC 42458, Oceanibium sediminis KCTC 62076, Halovulum dunhuangense YYQ-30 and Monaibacterium marinum C7 with 16S rRNA gene sequence similarity of 94.

View Article and Find Full Text PDF
Article Synopsis
  • A new strain of flavobacterium, identified as 9Alg 151, was isolated from the Pacific red alga Tichocarpus crinitus and is classified as a novel species in the genus Aquimarina.
  • Phylogenetic analysis revealed that this strain shares 94.2-98.2% similarity in its 16S rRNA gene sequences with known Aquimarina species, indicating its uniqueness.
  • Strain 9Alg 151 exhibits certain characteristics such as growth in saline environments (0.5-5% NaCl), a range of temperature tolerance (5-34°C), and the ability to hydrolyze various compounds, leading to the proposal of the name Aquimarina algiphila sp
View Article and Find Full Text PDF

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