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Key Documents

A7603

Sigma-Aldrich

Aculeacin A

from Aspergillus aculeatus, ≥95% (HPLC)

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About This Item

Empirical Formula (Hill Notation):
C50H81N7O16
CAS Number:
Molecular Weight:
1036.22
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.85

biological source

Aspergillus aculeatus

Quality Level

assay

≥95% (HPLC)

form

powder

solubility

DMSO: 10 mg/mL
DMF: soluble
ethanol: soluble
methanol: soluble

antibiotic activity spectrum

yeast

mode of action

cell wall synthesis | interferes

shipped in

wet ice

storage temp.

−20°C

SMILES string

CCCCCCCCCCCCCCCC(=O)N[C@H]1C[C@@H](O)[C@@H](O)NC(=O)[C@@H]2[C@@H](O)[C@@H](C)CN2C(=O)[C@@H](NC(=O)[C@@H](NC(=O)[C@@H]3C[C@@H](O)C[N@H]3C(=O)[C@@H](NC1=O)[C@@H](C)O)[C@H](O)[C@@H](O)c4ccc(O)cc4)[C@@H](C)O

InChI

1S/C50H81N7O16/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-36(63)51-33-24-35(62)46(69)55-48(71)40-41(64)27(2)25-57(40)50(73)38(29(4)59)53-47(70)39(43(66)42(65)30-19-21-31(60)22-20-30)54-45(68)34-23-32(61)26-56(34)49(72)37(28(3)58)52-44(33)67/h19-22,27-29,32-35,37-43,46,58-62,64-66,69H,5-18,23-26H2,1-4H3,(H,51,63)(H,52,67)(H,53,70)(H,54,68)(H,55,71)/t27-,28+,29+,32+,33-,34-,35+,37-,38-,39-,40-,41-,42-,43-,46+/m0/s1

InChI key

YKPHLXGEPNYRPY-ZIUFDZNVSA-N

Application

Aculeacin A is used to study mutations that lead to antibiotic resistance in Saccharomyces cerevisiae [1], the inhibition of Candida albicans[2], and the morphogenetic transformation of Candida albicans when treated [3].

Biochem/physiol Actions

Aculeacin A is a lipopeptide that inhibits β-glucan synthesis in yeasts. The inhibition is due to the selective blockage of glucan synthase.
Aculeacin A, an amphophilic antibiotic, inhibits the biosynthesis of β−glucan by selective blockage of β(1→3) glucan synthase.

Other Notes

Keep container tightly closed in a dry and well-ventilated place.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Cilofungin inhibition of (1-3)-beta-glucan synthase: the lipophilic side chain is essential for inhibition of enzyme activity.
C S Taft et al.
The Journal of antibiotics, 43(4), 433-437 (1990-04-01)
H Yamaguchi et al.
Microbiology and immunology, 31(7), 625-638 (1987-01-01)
Protoplasts of Candida albicans were prepared by digestion with Zymolyase and the effect of aculeacin A, a wall-active antibiotic, on the synthesis of microfibrillar structures by the protoplasts incubated for 5 hr in an osmotically stabilized medium was studied using
C Castro et al.
Journal of bacteriology, 177(20), 5732-5739 (1995-10-01)
Papulacandin B, an antifungal agent that interferes with the synthesis of yeast cell wall (1,3)beta-D-glucan, was used to isolate resistant mutants in Schizosaccharomyces pombe and Saccharomyces cerevisiae. The resistance to papulacandin B always segregated as a recessive character that defines
R A Fromtling et al.
The Journal of antibiotics, 42(2), 174-178 (1989-02-01)
L-671,329 is a novel, echinocandin-like natural product that possesses potent anti-Candida activity, including activity against Candida parapsilosis. The in vitro MICs of L-671,329 were comparable to aculeacin against 18 yeasts and three filamentous fungi in an agar dilution assay. L-671,329
J C Ribas et al.
Journal of bacteriology, 173(11), 3456-3462 (1991-06-01)
Schizosaccharomyces pombe thermosensitive mutants requiring the presence of an osmotic stabilizer to survive and grow at a nonpermissive temperature were isolated. The mutants were genetically and biochemically characterized. In all of them, the phenotype segregated in Mendelian fashion as a

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