Phosphatidylcholine and ceramide derivatives from white rot fungus PP17-20.

The undescribed phosphatidylcholine (), along with twelve known compounds, was isolated from the cultures of white rot fungus PP17-20. In this work the fungus was cultivated in Yeast-Malt extract medium to explore active compound production. The chemical structures were elucidated on the basis of spectroscopic and HRESIMS data.

Enhancing soil amendment for salt stress using pretreated rice straw and cellulolytic fungi.

Rice straw breakdown is sluggish, which makes agricultural waste management difficult, however pretreatment procedures and cellulolytic fungi can address this issue. Through ITS sequencing, Chaetomium globosum C1, Aspergillus sp. F2, and Ascomycota sp.

Engleromophilane, a new broad spectrum bioactive eremophilane-type sesquiterpene from fungus.

A new eremophilane sesquiterpene, named engleromophilane () together with known eremoxylarin E () and steroids (-) were isolated from the fungus culture. The structures were deduced by the analysis of spectroscopic and MS data, together with the comparison of calculated C NMR chemical shifts and Electronic Circular Dichroism (ECD) spectra. Compound showed cytotoxic effects against Hela, PC-3, HT29 and A549 cell lines with IC in the ranges of 4.

Antiproliferative polyketides from fungus Xylaria cf. Longipes SWUF08-81 in different culture media.

Bioactive compounds from the wood-decay fungus Xylaria cf. longipes SWUF08-81, cultivated in three different culture media (GM, YM and PDB), were isolated. Their structures and stereochemistry were deduced from spectroscopic and MS data analysis, together with quantum chemical calculations of C NMR chemical shifts and electronic circular dichroism (ECD) spectra.

Single and co-inoculum of endophytic bacteria promote growth and yield of Jerusalem artichoke through upregulation of plant genes under drought stress.

Helianthus tuberosus L. (Jerusalem artichoke) produce inulin, a type of fructan, which possesses several biotechnology applications, e.g.

The combination of multiple plant growth promotion and hydrolytic enzyme producing rhizobacteria and their effect on Jerusalem artichoke growth improvement.

Rhizobacteria are well recognized for their beneficial multifunctions as key promoters of plant development, suppressing pathogens, and improving soil health. In this study, experiments focused on characterizing the plant growth promotion (PGP) and extracellular hydrolase production traits of rhizobacteria, and their impact on Jerusalem artichoke growth. A total of 50 isolates proved capable of either direct PGP or hydrolase-producing traits.

Engineering Triboelectric Charge in Natural Rubber-Ag Nanocomposite for Enhancing Electrical Output of a Triboelectric Nanogenerator.

An environmentally friendly triboelectric nanogenerator (TENG) is fabricated from a natural rubber (NR)-Ag nanocomposite for harvesting mechanical energy from human motions. Ag nanoparticles (AgNPs) synthesized with two different capping agents are added to NR polymer for improving dielectric constant that contributes to the enhancement of TENG performance. Dielectric constant is modulated interfacial polarization between AgNPs and NR matrix.

Promoting growth and production of sunchoke () by co-inoculation with phosphate solubilizing bacteria and arbuscular mycorrhizal fungi under drought.

Due to different functions of phosphate solubilizing bacteria (PSB) and arbuscular mycorrhizal fungi (AMF), their potential synergistic effects on enhancing plant growth and yield are worth investigating, especially under adverse conditions. This work focused on the isolation of PSB and characterization for their plant growth promoting properties under drought. The most efficient P solubilizing bacterium was isolated and identified as strain KKUT8-1.

Production of fructan synthesis/hydrolysis of endophytic bacteria involved in inulin production in Jerusalem artichoke.

Endophytic bacteria refer to bacteria which promote plant growth via direct and indirect mechanisms. Three endophytic bacteria isolated from Jerusalem artichoke exhibited plant growth induction and inulin production. These bacteria had functions of fructan degradation and synthesis from inulinase and levansucrase, respectively.

Hypoxylonone, a new oxa-bridged seven-membered ring analog from fungus cf. SWUF15-004.

A new oxa-bridged seven-membered ring analog, hypoxylonone (), and thirteen known compounds () were isolated from fungus cf. SWUF15-004. The structures were elucidated by the analysis of spectroscopic (IR, 1 D and 2 D NMR), HRESIMS and X-ray diffraction (MoKα) data.

Synthesis and Characterization of a Magnetic Carbon Nanofiber Derived from Bacterial Cellulose for the Removal of Diclofenac from Water.

Engineering and synthesis of novel materials are vital for removing emerging pollutants, such as pharmaceuticals from contaminated water. In this study, a magnetic carbon nanofiber (MCF) fabricated from bacterial cellulose was tested for the adsorption of diclofenac from water. The physical and chemical properties of the synthesized adsorbent were examined by field emission scanning electron microscopy (FESEM), field emission transmission electron microscopy (FETEM), X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET) analysis, energy-dispersive X-ray spectroscopy (EDS), a vibrating sample magnetometer (VSM), Raman spectroscopy, and Fourier transform infrared (FTIR) spectroscopy.

Co-Inoculation of an Endophytic and Arbuscular Mycorrhizal Fungus Improve Growth and Yield of L. under Field Condition.

Endophytic fungi (EPF) and arbuscular mycorrhizal fungi (AMF) symbioses can promote the growth and productivity of several types of plants. This work aimed to investigate the effect of co-inoculation of an EPF NMS1.5 and an AMF UDCN52867 g.

New furan derivatives from fungus.

Two new furan derivatives, annulofurans A-B (-), together with six known compounds were isolated from fungus. The structures were determined based on NMR and mass spectrometry data. The absolute configurations of annulofurans A-B were determined by Electronic Circular Dichroism (ECD) experiment and comparisons with the experimental ECD spectra of synthesized stereoisomers.

CoPO Microplate/Bacterial Cellulose-Derived Carbon Nanofiber Composites with Enhanced Electrochemical Performance.

Nanocrystalline CoPO and carbon nanofiber (CoPO/CNFs) composites with enhanced electrochemical performance were obtained by calcination after a hydrothermal process with NHCoPO∙HO/bacterial cellulose precursors under an argon atmosphere. SEM images showed that the CNFs were highly dispersed on the surfaces of CoPO microplates. The diagonal size of the CoPO plates ranged from 5 to 25 µm with thicknesses on a nanometer scale.

Anti-inflammatory and anti-proliferative activities of chemical constituents from fungus Biscogniauxia whalleyi SWUF13-085.

The fungus Biscogniauxia whalleyi SWUF13-085 from the Graphostomataceae family was studied for potential anti-inflammatory and anticancer agents. A diverse array of natural products was identified. Six of which were undescribed compounds, including xylariterpenoids L-N, (1R,2S,6R,7S)-1,2-dihydroxy-α-bisabolol, 6-[(1R)-1-hydroxy-1-methyl-2-propenyl]-4-methoxy-3-methyl-2H-pyran-2-one and (1R*,4S*,5S*,7S*,10R*)-guaia-11 (12)-en-7,10-diol.

Hard magnetic membrane based on bacterial cellulose - Barium ferrite nanocomposites.

Magnetic membranes based on bacterial cellulose (BC) nanocomposites have been extensively researched. However, most magnetic nanoparticles (NPs) incorporated in the BC matrix were focused on soft magnetic phases, which limited the extensive use of magnetic BC membranes. Therefore, this work proposes a method to fabricate hard magnetic membrane based on the BC matrix and magnetically hard phase barium ferrite (BFO) NPs.

Combination of arbuscular mycorrhizal fungi and phosphate solubilizing bacteria on growth and production of Helianthus tuberosus under field condition.

In this work, the effects of co-inoculation between an arbuscular mycorrhizal fungus (AMF) and a phosphate solubilizing bacteria (PSB) to promote the growth and production of sunchoke under field condition were investigated during 2016 and 2017. Four treatments were set up as follows: plants without inoculation, with AMF inoculation, with PSB inoculation and with co-inoculation of PSB and AMF. The results showed the presence of PSB and AMF colonization at the harvest stage in both years.

A new α-pyrone derivative from SWUF09-030.

A new α-pyrone derivative, namely annulopyronoate (), together with the known isobenzofuranone, diphenyl ether, sesquiterpene, phenolic and diketopiperazine derivatives (-) were isolated from a filamentous fungus SWUF09-030. The structures were determined by analysis of spectroscopic and MS data. The absolute configuration of was determined by comparison of experimental and calculated Electronic Circular Dichroism (ECD) spectra.

Interaction between Phosphate Solubilizing Bacteria and Arbuscular Mycorrhizal Fungi on Growth Promotion and Tuber Inulin Content of Helianthus tuberosus L.

Arbuscular mycorrhizal fungi (AMF) and phosphate solubilizing bacteria (PSB) could interact synergistically because PSB solubilize sparingly available phosphorous compounds into orthophosphate that AMF can absorb and transport to the host plant. Little is known about the interactions between these two groups in terms of promoting Jerusalem artichoke, Helianthus tuberosus L., which is widely planted by farmers because of its high inulin content.

Endophytic Bacteria Improve Root Traits, Biomass and Yield of L. under Normal and Deficit Water Conditions.

Drought is more concerned to be a huge problem for agriculture as it affects plant growth and yield. Endophytic bacteria act as plant growth promoting bacteria that have roles for improving plant growth under stress conditions. The properties of four strains of endophytic bacteria were determined under water deficit medium with 20% polyethylene glycol.

Anti-inflammatory and cytotoxic agents from sp. SWUF09-62 fungus.

The ongoing search for anti-cancer agents from microorganisms led to the isolation of four new compounds including 6-ethyl-8-hydroxy-4-chromen-4-one (), 6-ethyl-7,8-dihydroxy-4-chromen-4-one (), (3)-3,4-dihydro-8-hydroxy-7-methoxy-3-methylisocoumarin () and (3)-3,4-dihydro-5,7,8-trihydroxy-3-methylisocoumarin (), together with eleven known compounds (-) from sp. SWUF09-62 fungus. The chemical structures were deduced from IR, 1D and 2D NMR, and MS data.

Chemical constituents and cytotoxic activity from the wood-decaying fungus sp. SWUF08-37.

A new cyclic pentapeptide, pentaminolarin (), and a new cytochalasin, xylochalasin (), along with thirteen known compounds (-) were isolated from the wood-decaying fungus sp. SWUF08-37. The absolute configurations of were determined by a combination of Marfey's method and TDDFT ECD calculation and the absolute configurations of were established by TDDFT ECD calculation.

Magnetically responsive and flexible bacterial cellulose membranes.

Magnetically responsive and flexible bacterial cellulose (BC) membranes were successfully fabricated using a simple diffusion of a ferrofluid solution. BC hydrogels were either water-substituted by alcohol (BC-N) or freeze dried (BC-F) prior to their immersion in the ferrofluid. The presence of both crystalline BC and FeO phases, and the homogeneous distribution of nanoparticles (NPs) in BC nanofibrils were observed.

A new amino amidine derivative from the wood-decaying fungus Xylaria cf. cubensis SWUF08-86.

The secondary metabolites of Xylaria cf. cubensis SWUF08-86 fungus were investigated, and the chromatographic separation of the crude extracts yielded seventeen compounds. The structure elucidation by spectroscopic analysis including 1D and 2D NMR and the comparison of these data with literature, along with HREIMS spectrometry, revealed one new amino amidine derivative (1), together with five known simple cyclic dipeptide analogs, diketopiperazines (2-6) and eleven other known compounds, including one hemi-cycline (10), three aromatic derivatives (11-13), one sesquiterpene (14) and three sterols (15-17).