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sp. nov., isolated from the surface seawater of the Bering Sea and Chukchi Sea and emended description of the genus .
Int J Syst Evol Microbiol
January 2025
Key Laboratory of Marine Genetic Resources, Third Institute of Oceanography, Ministry of Natural Resources of China; Key Laboratory of Marine Genetic Resources of Fujian Province, Xiamen 361005, PR China.
Article Synopsis
- Two new bacterial strains, 25B02-3 and BH-R2-4, were discovered in seawater from the Bering and Chukchi Seas, sharing 99.6% similarity in their 16S rRNA gene sequences.
- Phylogenetic analysis suggests they may be a novel species within a specific genus, distinguished by digital DNA-DNA hybridization and average nucleotide identity values indicating separate genomic species.
- Characterization of their fatty acids, respiratory quinones, and genomic DNA indicates unique biochemical properties, leading to the proposal of a new species name, with strain 25B02-3 designated as the type strain.
sp. nov., sp. nov. and sp. nov. isolated from batfish () in Tahiti Island, French Polynesia.
Int J Syst Evol Microbiol
January 2025
Universit Paris-Saclay, INRAE, UVSQ, VIM, Jouy-en-Josas, France.
Ten novel Gram-negative, aerobic, non-sporulating, yellow-pigmented rod-shaped bacterial strains motile by gliding were isolated from marine organisms/environments in French Polynesia. Three of them designated as 190524A05c, 190524A02b and 190130A14a were retrieved from orbicular batfish () mucus. Online database comparisons using 16S rRNA amplicons resulted in over 95% similarity to the genus .
View Article and Find Full Text PDFHealth Benefits of Dietary Docosahexaenoic Acid- and Eicosapentaenoic Acid-enriched Glycerophospholipids from Marine Sources.
J Oleo Sci
January 2025
Laboratory of Food and Nutritional Sciences, Faculty of Chemistry, Materials and Bioengineering, Kansai University.
Omega-3 long-chain polyunsaturated fatty acids (PUFA) such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) are widely used as supplements and pharmaceuticals because of their beneficial effects on human health. Triacylglycerols (TAG) and glycerophospholipids (GPL) comprise the primary chemical structures of DHA/EPA in marine sources. Furthermore, DHA/EPA-enriched glycerophospholipids (DHA/EPA-GPL) and lysoglycerophospholipids (DHA/EPA-LysoGPL) consumed through food and supplements are more effective than TAG in promoting health, which may be attributed to a specific underlying mechanism.
View Article and Find Full Text PDFMagnesium modulates phospholipid metabolism to promote bacterial phenotypic resistance to antibiotics.
Elife
January 2025
State Key Laboratory of Biocontrol, School of Life Sciences, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Guangzhou, China.
Article Synopsis
- Non-inheritable antibiotic resistance allows bacteria to survive treatment, with exogenous factors like high magnesium playing a significant role.
- Functional metabolomics show that magnesium affects fatty acid biosynthesis, leading to altered bacterial response to antibiotics based on the balance of saturated and unsaturated fatty acids.
- Lipid metabolism changes due to magnesium, specifically in glycerophospholipid pathways, enhance bacterial membrane properties that reduce antibiotic uptake and increase resistance.
Characterisation of Aequorivita ciconiae sp. nov., isolated from oriental stork, Ciconia boyciana.
Antonie Van Leeuwenhoek
December 2024
Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea.
A single novel bacterial strain designated as H23M31 was isolated from the faecal sample of oriental stork (Ciconia boyciana) that inhabits the Republic of Korea. It was a rod-shaped, facultative anaerobic, Gram-negative, and non-motile strain. Phylogenetic analysis based on the 16S rRNA gene sequence revealed that it branched from Aequorivita within Flavobacteriaceae.
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