Antifungal activity

These results revealed strain-dependent antifungal activity. Our study indicates that the use of these lactic acid bacteria can be applied as a biocontrol of fungal growth and mycotoxins production.

6p mudbound 10-12-2021 6 1   Download

Green synthesis method is being increasingly used in the development of safe, stable, and eco-friendly nanostructures with biological resources. In this study, extracellular and intracellular synthesis of gold nanoparticles (AuNPs) was carried out using green algae Chlorella sorokiniana Shihira & R.W. Fresh algae were isolated and identified from Musaözü Pond located in the province of Eskişehir and then extraction process were performed.

18p thiencuuchu 27-11-2021 11 3   Download

The structure activity relationship (SAR) study revealed that incorporation of 4-O-lauroyl group in rhamnopyranoside frame work along with 2,3-di-O-acyl group increased the antifungal potentiality of the rhamnopyranosides.

10p tocectocec 25-05-2020 8 1   Download

A new series of transition metal complexes of Co(III), Ni(II) and VO(IV) was synthesized with the bidentate Schiff base ligand (HL) derived from the condensation of 2-amino-3-benzyloxypyridine and 5-bromo salicylaldehyde.

14p tocectocec 25-05-2020 23 2   Download

The objective of the present investigation was to isolate and identify the antimicrobial activity showing actinomycetes associated with sponges. Sponges such as Acanthella klethra, Theonella cylendrica, Helicona sp., Auletta sp., and Callyspongia sp. were collected at Sangumal, in Rameswaram island, Ramanathapuram District, Tamil Nadu, India. Isolates of 22 actinomycetes were isolated from sponges. Isolates No. 16 showed high antibacterial and antifungal activity and the isolate was identified as Streptomyces sp.

8p cothumenhmong5 17-05-2020 13 1   Download

Recently, some of the furoquinoline alkaloids were found to have an interesting biological activity, for example, anti-cancer, antiplatelet aggregation and antifungal activities. The interesting biological activity made these compounds 1-13 attractive targets in organic chemistry. A novel generally applicable synthesis of furoquinolines is described. The condensation of 2- methoxy aniline and malonic acid in the presence of POCl3 gave 2,4-dichloro-8- methoxyquinoline. Then, treatment of this compound with sodium methoxide in methanol under reflux afforded 4,8-dimethoxyquinoline.

5p uocvong04 24-09-2015 68 5   Download

The lupane triterpenoid lupeol is found in a variety of plants. Its biological activities have attracted a great deal of interests. A number of studies on the antiinflammatory, antimycobacterial, antimalarial and anticancer activities of this compound and its derivatives have been reported. Based on our knowledge, there have not been any reports on the antimicrobial activity of lupeol and its derivatives.

5p uocvong04 24-09-2015 64 3   Download

Croton tonkinensis Gagnep., commonly named in Vietnamese as "Kho sam Bac Bo", is a tropical shrub native to the Northern Vietnam. Its dried leaves (Folium Tonkinensis) have been used in Vietnamese traditional medicine to treat boils, abscesses, impetigo, abdominal pain, dyspepsia, dysentery, gastric and duodenal ulcers [1, 2]. The plant is of our interest since its varied biological activities demonstrated in our various in vitro bioassays including anti-inflammatory, anticancer, antiplasmodial, antibacterial and antifungal.

2p uocvong04 24-09-2015 56 3   Download

The role of chitosan in protection of soybean from sudden death syndrome caused by Fusarium solani f. sp. glycines has many contents: introduction, methods, fungal culture and growth, evaluation of the role of chitosan in protection of soybean from SDS development, chitinase activity assay in soybean leaves, statistical analysis, eVects of chitosan as a natural antifungal agenton inhibition of the radial and submerged growth ofF. solani f. sp. glycines,...

6p cscpubka 05-05-2014 88 2   Download

Glycosylatedpolyenemacrolide antibiotics, as nystatins and amphotericins, are amphiphilic structures known to exert antifungal activity by disrupting the fungal cell membrane, leading to leakage of cellular materials, and cell death. This membrane disruption is strongly influenced by the presence and the exact nature of the membrane sterols.

9p research12 23-04-2013 39 2   Download

Tarocystatin from Colocasia esculenta, a group-2 phytocystatin, is a defense protein against phytopathogenic nematodes and fungi. It is com-posed of a highly conserved N-terminal region, which is homological to group-1 cystatin, and a repetitive peptide at the C-terminus.

10p vinaphone15 28-02-2013 40 2   Download

The term ‘antimicrobial peptides’ refers to a large number of peptides first characterized on the basis of their antibiotic and antifungal activities. In addition to their role as endogenous antibiotics, antimicrobial peptides, also called host defense peptides, participate in multiple aspects of immunity (inflammation, wound repair, and regulation of the adaptive immune sys-tem) as well as in maintaining homeostasis.

12p viettel02 20-02-2013 45 3   Download

Whereas significant knowledge is accumulating on the antibacterial and antifungal properties of host defense peptides (HDPs) and their synthetic mimics, much less is known of their activities against parasites. A variety ofin vitro andin vivo antiparasitic assays suggest that these notorious anti-microbial compounds could represent a powerful tool for the development of novel drugs to fight parasites in the vertebrate host or to complement current therapeutic strategies

9p viettel02 20-02-2013 40 3   Download

A cDNA library from tobacco inoculated withRhizoctonia solaniwas con-structed, and several cDNA fragments were identified by differential hybridization screening. One cDNA clone that was dramatically repressed, NtKTI1, was confirmed as a member of the Kunitz plant proteinase inhibi-tor family. RT-PCR analysis revealed that NtKTI1was constitutively expressed throughout the whole plant and preferentially expressed in the roots and stems.

13p viettel02 19-02-2013 34 4   Download

The natural antimicrobial cationic peptide protegrin-1 displays a broad spectrum of antimicrobial activity and rapidly kills pathogens by interacting with their cell membrane. We investigated the structure–activity relation-ships of three protegrin-1 analogues: IB-367 (RGGLCYCRGRFCVCVGR-NH2), BM-1 (RGLCYCRGRFCVCVG-NH2) and BM-2 (RGLCYRPRFV CVG-NH2). Our antimicrobial and antifungal activity studies of these peptides showed that BM-1 was much more active than IB-367 against Gram-positive bacteria and fungi, whereas BM-2 was inactive. ...

13p mobifone23 18-01-2013 54 4   Download