Gliorosein
目录号 : GC45461A fungal metabolite
Cas No.:4373-40-4
Sample solution is provided at 25 µL, 10mM.
Quality Control & SDS
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- Purity: >95.00%
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Gliorosein is a fungal metabolite produced by Gliocladium.1 It is an isomer of rubrogliocladin hydroquinone. Gliorosein has antibiotic activity against B. allii, B. subtilis, and E. coli.
References
1. Brian, P.W., Curtis, P.J., Howland, S.R., et al. Three new antibiotics from a species of Gliocladium. Experientia 7(7), 266-267 (1951).
Cas No. | 4373-40-4 | SDF | |
Canonical SMILES | O=C1C(OC)=C(OC)C([C@@H](C)[C@@H]1C)=O | ||
分子式 | C10H14O4 | 分子量 | 198.2 |
溶解度 | DMF: soluble,DMSO: soluble,Ethanol: soluble,Methanol: soluble | 储存条件 | Store at -20°C |
General tips | 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;一旦配成溶液,请分装保存,避免反复冻融造成的产品失效。 储备液的保存方式和期限:-80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。 为了提高溶解度,请将管子加热至37℃,然后在超声波浴中震荡一段时间。 |
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Shipping Condition | 评估样品解决方案:配备蓝冰进行发货。所有其他可用尺寸:配备RT,或根据请求配备蓝冰。 |
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1 mg | 5 mg | 10 mg | |
1 mM | 5.0454 mL | 25.227 mL | 50.4541 mL |
5 mM | 1.0091 mL | 5.0454 mL | 10.0908 mL |
10 mM | 0.5045 mL | 2.5227 mL | 5.0454 mL |
第一步:请输入基本实验信息(考虑到实验过程中的损耗,建议多配一只动物的药量) | ||||||||||
给药剂量 | mg/kg | 动物平均体重 | g | 每只动物给药体积 | ul | 动物数量 | 只 | |||
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% DMSO % % Tween 80 % saline | ||||||||||
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工作液浓度: mg/ml;
DMSO母液配制方法: mg 药物溶于 μL DMSO溶液(母液浓度 mg/mL,
体内配方配制方法:取 μL DMSO母液,加入 μL PEG300,混匀澄清后加入μL Tween 80,混匀澄清后加入 μL saline,混匀澄清。
1. 首先保证母液是澄清的;
2.
一定要按照顺序依次将溶剂加入,进行下一步操作之前必须保证上一步操作得到的是澄清的溶液,可采用涡旋、超声或水浴加热等物理方法助溶。
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Cytoprotective Polyketides from Sponge-Derived Fungus Lopadostoma pouzarii
Molecules 2022 Nov 7;27(21):7650.PMID:36364472DOI:10.3390/molecules27217650.
The new polyketides lopouzanones A and B, as well as the new 1-O-acetyl and 2-O-acetyl derivatives of dendrodochol B, were isolated from the sponge-derived marine fungus Lopadostoma pouzarii strain 168CLC-57.3. Moreover, six known polyketides, Gliorosein, balticolid, dendrodolide G, dihydroisocoumarine, (-)-5-methylmellein, and dendrodochol B, were identified. The structures of the isolated compounds were determined by a combination of NMR and ESIMS techniques. The absolute configurations of the lopouzanones A and B were determined using the Mosher's method. The cytotoxicity of the isolated compounds against human prostate cancer cells PC-3 and normal rat cardiomyocytes H9c2 was investigated. Gliorosein showed weak DPPH radical-scavenging activity and in vitro cardioprotective effects toward rotenone toxicity and CoCl2-mimic hypoxia.
Incorporation of 5-methylorcylaldehyde and methionine into the acetogenin (polyketide) Gliorosein in Gliocladium roseum I.M.I. 93065
Biochem J 1968 Aug;109(1):1-11.PMID:5691382DOI:10.1042/bj1090001.
1. methyl-(14)C-labelled 1,3-dihydroxy-4,5-dimethylbenzene, 5-methylorcylaldehyde and 5-methylorsellinic acid were synthesized from orcinol and sodium [(14)C]cyanide and tested for activity as precursors of Gliorosein. ring-(14)C-labelled orcylaldehyde was also prepared. 5[(14)C]-Methylorcylaldehyde was incorporated into Gliorosein (36% conversion); all the radioactivity was located in the C-methyl groups. 5-Methylorsellinic acid was decarboxylated by Gliocladium roseum and the resulting phenol was secreted into the medium. 2. The formation of an enzyme-bound derivative of 5-methylorsellinic acid as the first aromatic compound in the biosynthesis of Gliorosein is suggested to explain these results. 3. ring-(14)C-labelled 3,4-dihydroxy-6-methyltoluquinone was also effectively incorporated into Gliorosein and related products (20% conversion). 4. Sodium [(14)C]formate and [Me-(14)C]-methionine were incorporated into Gliorosein and related products (15.4 and 22.2% conversion respectively). Isolation and estimation of the radioactivity in the O-methyl and C-methyl groups in the (14)C-labelled Gliorosein thus formed showed an appreciable difference in the specific activities of the two types of methyl group (14 and 15% respectively). The results in the doubly-labelled methionine experiment indicate that the C-methyl group arises in the same manner as that in ergosterol; one of the original hydrogen atoms of the methyl group is lost. This confirms that C-methylation occurs at an ethylenic group at the aliphatic level. 5. The sequence of reactions at the aromatic level leading to the formation of Gliorosein is proposed as 5-methylorsellinyl-enzyme-->3-hydroxy-5-methylorsellinyl-enzyme-->3,4-dihydroxy-6-methyltoluquinol-->3,4-dimethoxy-6-methyltoluquinol-->Gliorosein.
Studies on the biosynthesis of phenols in fungi. Biosynthesis of 3,4-dimethoxy-6-methyltoluquinol and Gliorosein in Gliocladium roseum I.M.I. 93 065
Biochem J 1967 Jan;102(1):122-32.PMID:6067663DOI:10.1042/bj1020122.
1. Gliorosein was obtained in excellent yield (150mg./200ml. of Raulin-Thom medium) from surface cultures of Gliocladium roseum. Its nuclear-magnetic-resonance spectrum showed conclusively that it is 1,6-dihydro-3,4-dimethoxy-6-methyltoluquinone. 2. Sodium [2-(14)C]acetate was incorporated into Gliorosein and the related products (3.3% conversion). The specific activities of these substances increased in the order Gliorosein, 3,4-dimethoxy-6-methyltoluquinol, the related quinhydrone and quinone, indicating that Gliorosein was the actual metabolite that was secreted and that the other compounds were derived from it in the medium. 3. 6-Methylsalicylic acid was not taken up by the mycelium and could be recovered unchanged. Orsellinic acid was decarboxylated by G. roseum and an equivalent amount of orcinol was secreted into the medium. The methyl esters of 6-methylsalicylic acid and orsellinic acid were both hydrolysed by an esterase present in the mycelium. Some of the 6-methylsalicylic acid thus produced was secreted into the medium and the orsellinic acid was decarboxylated. 4. Washed mycelium of G. roseum converted aurantiogliocladin and 3,4-dimethoxy-6-methyltoluquinol quantitatively into Gliorosein within 18hr. More critical experiments with (14)C-labelled substrates demonstrated that 3-hydroxy-4-methoxy-6-methyltoluquinol and 3,4-dimethoxy-6-methyltoluquinol, and their respective quinones, were effectively incorporated into Gliorosein and related products (49, 68, 30 and 57% respectively). 5. The following sequence of reactions is proposed for the biosynthesis of Gliorosein: acetyl-CoA+3 malonyl-CoA+S-adenosyl-methionine --> 5-methylorsellinic acid --> 3-hydroxy-4-methoxy-6-methyltoluquinol --> 3,4-dimethoxy-6-methyltoluquinol --> Gliorosein. 6. Since Gliorosein is optically active (dextrorotatory), the final tautomerization reaction leading to its formation must be enzyme-catalysed.
Studies on the Host-finding Mechanisms of Neotylenchus linfordi
J Nematol 1970 Apr;2(2):106-17.PMID:19322281doi
The plant-parasitic nematode, Neotylenchus linlordi, congregated around colonies or filtrates from mycelia of Gliocladium roseum, Rhizoctonia solani, Pyrenochaeta terrestris and Chaetomium indicum. The average time required for the nematodes to reach the fungal colonies ranged from less than 4 hr for G. roseum to 20 hr for R. solani. Nematodes first circled near the point of introduction, then moved toward the fungus or filtrate. Several methods of measuring the response of N. linfordi to G. roseum culture filtrate were evaluated. The response was strongest when the test materials were assayed on an agar disk submerged in water agar and the introduced nematodes suspended in agar in a center well midway between the test materials. Filtrates obtained from cultures of G. roseum incubated between 12 and 21 days in potato dextrose broth, were most active. The attractants were small thermostable molecules, soluble in methyl alcohol and unaffected by pH. A yellow pigment with properties similar to a mixture of aurantiogliocladin, rubrogliocladin, and Gliorosein was shown to be one of the active materials. The response of N. linfordi to the G. roseum filtrate was not associated with any nutritive factors which would result in reproduction.