sp. nov. and sp. nov., isolated from the surface sediment of the Arctic Ocean and reclassification of Yu 2019 as a later heterotypic synonym of On 2019.

Two Gram-stain-negative bacterial strains, 15-R06ZXC-3 and R06B22, were isolated from the surface sediment of the Arctic Ocean. Phylogenetic analyses based on the 16S rRNA gene and genome sequences indicated that strain 15-R06ZXC-3 belongs to the genus , while strain R06B22 belongs to the genus . Strain 15-R06ZXC-3 showed the closest relationship to DT23-4.

sp. nov., isolated from deep-sea sediments.

Three Gram-stain-negative, aerobic, non-motile, chemoheterotrophic, short-rod-shaped bacteria, designated CDY1-MB1, CDY2-MB3, and BDY3-MB2, were isolated from three marine sediment samples collected in the eastern Pacific Ocean. Phylogenetic analysis based on 16S rRNA gene sequences indicated that these strains were related to the genus and close to the type strain of F4716 (with similarities of 98.0-98.

sp. nov. and sp. nov., two novel species belonging to the family .

Two Gram-stain-negative, chemoheterotrophic, aerobic bacteria, designated IC7 and JM2-8, were isolated from seawater of the Yellow Sea of China and rhizosphere soil of mangroves in Xiamen, Fujian, respectively. Phylogenetic analyses based on 16S rRNA gene and genome sequences showed that these two novel strains belonged to the family . Strain IC7 formed a coherent lineage within the genus , showing 98.

sp. nov., isolated from surface seawater of the western Pacific Ocean and transfer of to the genus as nom. nov. and emended description of the genus .

Two Gram-stain-negative, non-motile, non-spore-forming, strictly aerobic and rod-shaped bacterial strains, CMA-7 and CAA-3, were isolated from surface seawater samples collected from the western Pacific Ocean. Phylogeny of 16S rRNA gene sequences indicated they were related to the genera and and shared 95.1, 90.

β-Carboline Alkaloids From the Deep-Sea Fungus sp. MCCC 3A01244 as a New Type of Anti-pulmonary Fibrosis Agent That Inhibits TGF-β/Smad Signaling Pathway.

Pulmonary fibrosis is a scarring disease of lung tissue, which seriously threatens human health. Treatment options are currently limited, and effective strategies are still lacking. In the present study, 25 compounds were isolated from the deep-sea fungus sp.

Total Synthesis of Leptochartamides A and B: Two Enantiomeric Pairs of Hydroxybenzyl Dimers from a Deep-Sea Fungus .

Leptochartamides A and B (± and ±), two pairs of enantiomeric hybrids with the same cyclo-bridged skeleton containing an unusual dioxa-azabicyclo[3.2.1]octane core system, were isolated from the deep-sea-derived fungus .

Exophilone, a Tetrahydrocarbazol-1-one Analogue with Anti-Pulmonary Fibrosis Activity from the Deep-Sea Fungus MCCC 3A01264.

A new compound, exophilone (), together with nine known compounds (-), were isolated from a deep-sea-derived fungus, . Their chemical structures, including the absolute configuration of were elucidated using nuclear magnetic resonance (NMR) spectroscopy, high-resolution electrospray ionization mass spectroscopy (HRESIMS), and electronic circular dichroism (ECD) calculation. Compounds were preliminarily screened for their ability to inhibit collagen accumulation.

Antiviral Cyclopropane Acids from Deep-Sea-Derived Fungus .

Four novel monocyclic cyclopropane acids, namely, sydocyclopropanes A-D (-), along with one known congener hamavellone B (), were isolated from the MCCC 3A00324 fungus, which was isolated from the deep-sea sediment. The gross structures of novel compounds were established by detailed analyses of the spectroscopic data (HRESIMS and NMR spectra), and their absolute configurations were resolved on the basis of the quantum chemical calculations of ECD and NMR data, in association with DP4+ probability analyses. Sydocyclopropanes A-D, featuring the 1,1,2,3-tetrasubstituted cyclopropane nucleus with different lengthy alkyl side chains, were discovered in nature for the first time.

sp. nov., isolated from seashore sediment of a forest and emended descriptions of the genus Park . 2016.

An aerobic, Gram-stain-negative, bacterium, designated CLL3-39 was isolated from seashore sediment collected at a forest in the Marine Ecology Special Reserve of Changyi, Shandong Province, PR China. Cells of strain CLL3-39 were olive-shaped and no flagellum was observed. Strain CLL3-39 grew optimally at 33 °C, pH 7.

Aegicerativicinus sediminis gen. nov., sp. nov., a novel carotenoid-producing marine bacterium in the family Flavobacteriaceae.

A novel bright-yellow pigmented bacterial strain SM2-F was isolated from a mangrove sediment collected at the mangrove coast of Luoyang estuary, Quanzhou, China. Strain SM2-F was Gram-stain-negative, catalase-weak positive, oxidase-positive, rod-shaped, non-flagellated and non-motile. Growth of strain SM2-F was observed at 20-40 °C (optimum, 30 °C), pH 6.

sp. nov., isolated from deep-sea sediment of the Pacific Ocean.

A novel Gram-stain-negative, facultatively anaerobic, rod-shaped bacterium, designated as D167-6-1, was isolated from deep-sea sediment collected from the Pacific Ocean. The cells were catalase- and oxidase-positive, and motile by means of peritrichous flagella. Growth occurred at NaCl concentrations ranging from 0 to 19 % (optimum, 2-8 %, w/v), from pH 6 to 11 (optimum, 7-8) and at temperatures between 4 and 45 °C (optimum, 33 °C).

Alcanivorax profundimaris sp. nov., a Novel Marine Hydrocarbonoclastic Bacterium Isolated from Seawater and Deep-Sea Sediment.

Two novel Alcanivorax-related strains, designated ST75FaO-1 and 521-1, were isolated from the seawater of the South China Sea and the deep-sea sediment of the West Pacific Ocean, respectively. Both strains are Gram-stain-negative, rod-shaped, and non-motile, and grow at 10-40 °C, pH 5.0-10.

sp. nov., isolated from deep seawater of the Pacific Ocean.

A taxonomic study was carried out on strain C16B3, which was isolated from deep seawater of the Pacific Ocean. The bacterium was Gram-stain-negative, oxidase- and catalase- positive and rod-shaped. Growth was observed at salinities of 0-8.

sp. nov., isolated from surface seawater.

Two Gram-stain-negative, short rod-shaped and non-flagellated strains, designated 17-4A and L52-1-41, were isolated from the surface seawater of the Indian Ocean and South China Sea, respectively. The 16S rRNA genes of the two strains shared sequence similarity of 99.45 %.

, sp. nov., isolated from offshore sediment.

An aerobic, Gram-stain-negative bacterium, designated CLL7-20, was isolated from a marine sediment sample from offshore of Changyi, Shandong Province, China. Cells of strain CLL7-20 were rod-shaped, motile with one or more polar flagella, and grew optimally at pH 7.0, at 28 °C and with 3 % (w/v) NaCl.

gen. nov., sp. nov., isolated from deep-sea water of the Indian Ocean.

A taxonomic study was carried out of strain K7, which was isolated from deep-sea water collected from the Indian Ocean. The bacterium was Gram-stain-negative, aerobic, oxidase-negative, catalase-positive, rod-shaped and non-motile. Growth was observed at salinities of 0.

Cytotoxic Polyketides Isolated from the Deep-Sea-Derived Fungus MCCC 3A00292.

The chemical examination of the solid cultures of the deep-sea-derived fungus MCCC 3A00292 resulted in the isolation of three new versiol-type analogues, namely peniciversiols A-C (-), and two novel lactone derivatives, namely penicilactones A and B ( and ), along with 11 known polyketides. The planar structures of the new compounds were determined by the comprehensive analyses of the high-resolution electrospray ionization mass spectroscopy (HRESIMS) and nuclear magnetic resonance (NMR) data, while their absolute configurations were resolved on the basis of comparisons of the experimental electronic circular dichroism (ECD) spectra with the calculated ECD data. Compound is the second example of versiols featuring a 2,3-dihydropyran-4-one ring.

Acuticoccus sediminis sp. nov., isolated from deep-sea sediment of the Indian Ocean and proposal of Acuticoccaceae fam. nov.

A Gram-staining negative, aerobic, oval-shaped bacterium, designated strain PTG4-2, was isolated from deep-sea sediment of the Indian Ocean. Growth was observed with 1-9 % (w/v) NaCl with optimal growth with 3 %, at pH 6.0-10.

Sinomicrobium soli sp. nov., isolated from arctic soil.

A bacterial strain, designated N-1-3-6, was isolated from a soil sample collected from the arctic regions. The cells were short rods, Gram-stain-negative, catalase- and oxidase-positive. Growth was observed with 0-12 % (w/v) NaCl, with optimal growth at 0.

Pararhodobacter marinus sp. nov., isolated from deep-sea water of the Indian Ocean.

A taxonomic study was carried out on strain CIC4N-9, which was isolated from deep-sea water of the Indian Ocean. The bacterium was Gram-stain-negative, catalase- and oxidase-positive, rod-shaped and non-motile. Growth was observed at salinities of 0-9% and at temperatures of 4-41 °C.

Neptunicella marina gen. nov., sp. nov., isolated from surface seawater.

A Gram-stain-negative, aerobic, short rod-shaped bacterium with a single polar flagellum, designated strain S27-2, was isolated from surface seawater from the Indian Ocean. Growth was observed in 0-12.0 % (w/v) NaCl with an optimum of 0.

sp. nov., isolated from deep sea water.

A taxonomic study was carried out on strain 3PC125-7, which was isolated from the deep sea water of the Indian Ocean. The bacterium was rod-shaped, non-flagellated, Gram-stain-negative, oxidase- and catalase-positive and strictly aerobic. Optimal growth was observed at 25-37 °C, at pH 7 and in 1-3 % (w/v) NaCl.

Oceaniglobus indicus gen. nov., sp. nov., a member of the family Rhodobacteraceae isolated from surface seawater.

A Gram-stain-negative, non-motile, aerobic and heterotrophic strain, designated 1-19b, was isolated from surface seawater in the Indian Ocean. The cells were ovoid or coccus (0.8-1.

Oceanibaculum nanhaiense sp. nov., isolated from surface seawater.

A taxonomic study was carried out on strain L54-1-50, which was isolated from surface seawater of the South China Sea. Cells of strain L54-1-50 were Gram-stain-negative, rod-shaped, oxidase-positive and catalase-positive. Growth was observed at salinities from 0 to 9 % (optimum 2 %, w/v), at pH 6.

Wukongibacter baidiensis gen. nov., sp. nov., an anaerobic bacterium isolated from hydrothermal sulfides, and proposal for the reclassification of the closely related Clostridium halophilum and Clostridium caminithermale within Maledivibacter gen. nov. and Paramaledivibacter gen. nov., respectively.

An anaerobic, Gram-stain-positive, spore-forming bacterium, designated DY30321T, was isolated from a sample of mixed hydrothermal sulfides collected during cruise DY30 of R/V Da Yang Yi Hao. Cells of strain DY30321T were rod-shaped with rounded ends, and were not motile. Strain DY30321T grew optimally at pH 8.