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1. (Article ID: 6196)
Anh CV, Kang JS, Lee HS, Trinh PTH, Heo CS, Shin HJ
New Glycosylated Secondary Metabolites from Marine-Derived Bacteria
Marine Drugs 20(7) (2022)
464
Three new glycosylated secondary metabolites, including a new indole alkaloid, pityriacitrin D (1), and two new trehalose lipids (2 and 3), together with three known compounds (4-6) were isolated from two marine-derived bacterial strains, Bacillus siamensis 168CLC-66.1 and Tsukamurella pseudospumae IV19-045. The structures of 1-3 were determined by extensive analysis and comparison of their spectroscopic data with literature values. The absolute configurations of sugar moieties were determined by chemical derivatization followed by LC-MS analysis. Cytotoxicity of 1-3 against six cancer cell lines was evaluated by SRB assay, and 1 showed moderate activity against all the tested cell lines with GI50 values ranging from 8.0 to 10.9 µM.
cytotoxicity, Bacillus, glycosides, marine-derived bacteria, pityriacitrin, trehalose lipid
NCBI PubMed ID: 35877757Publication DOI: 10.3390/md20070464Journal NLM ID: 101213729Publisher: Basel, Switzerland: Molecular Diversity Preservation International
Correspondence: H.J. Shin
kiost.ac.kr>
Institutions: Marine Natural Products Chemistry Laboratory, Korea Institute of Ocean Science and Technology, 385 Haeyang-ro, Yeongdo-gu, Busan 49111, Korea, Department of Marine Biotechnology, University of Science and Technology (UST), 217 Gajungro, Yuseong-gu, Daejeon 34113, Korea, Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, 30 Yeongudanjiro, Cheongju 28116, Korea, Department of Marine Biotechnology, Nhatrang Institute of Technology Research and Application, Vietnam Academy of Science and Technology, 02 Hung Vuong, Nha Trang 650000, Vietnam
Methods: 13C NMR, 1H NMR, NMR-2D, IR, acid hydrolysis, HPLC, UV, LC-MS, fermentation, HR-ESI-MS, cytotoxicity assay, isolation
The publication contains the following compound(s):
- Compound ID: 15976
|
b-D-Glcp-(1-3)-Subst
Subst = pityriacitrin D aglycon = SMILES O=C(C1=CC2=C(C(C(C3=CNC4=C3C=CC=C4)=O)=N1)NC5=C2C=CC=C5){3}O |
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Structure type: monomer
; 540.1381 [M+Na]+
C27H23N3O8
Trivial name: pityriacitrin D
Compound class: indole alkaloid
- Compound ID: 15979
|
b-D-Glcp-(1-7)-Subst
Subst = macrolactin A = SMILES CC1CCC/C=C/C=C/C(CC(C/C=C\C=C\C(C/C=C/C=C\C(=O)O1){7}O{13})O){15}O |
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Structure type: monomer
Trivial name: macrolactin B
- Compound ID: 15980
|
b-D-Glcp-(1-28)-Subst
Subst = 12',13'-trans-14',15'-dihydrobacillaene B aglycon = SMILES C/C(NC(C{12}C(O)/C(C)=C\C=C/C=C(C)/C=C/C=C\CCCNC({28}C(O)CC(C)C)=O)=O)=C/C=C/C=C/C(C){1}C(O)=O |
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Structure type: monomer
Trivial name: 12',13'-trans-14',15'-dihydrobacillaene B
- Compound ID: 15977
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Subst-(1-3)-+
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a-D-Glcp-(1-1)-a-D-Glcp
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Ste-(1-2)-+
Subst = 3-(methylthio)propanoic acid = SMILES O={1}C(O)C{3}CSC |
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Structure type: oligomer
; 733.3804 [M+Na]+
C34H62O13S
Trivial name: tsukalipid A
Compound class: trehalose lipid
- Compound ID: 15978
Structure type: oligomer
; 687.3931 [M+Na]+
C34H62O13
Trivial name: tsukalipid B
Compound class: trehalose lipid
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