Publications by authors named "Wenxiu Yin"
Understanding the impact of mildew on lignin and hemicelluloses within plant cell walls is crucial for addressing biomass degradation and antimicrobial studies. In this work, Two-dimensional nuclear magnetic resonance (2D NMR) and nanoindentation techniques were used to characterize the effects of three mildew species-Aspergillus niger (AN), Trichoderma viride (TV), and Penicillium citrinum (PC)-on lignin and hemicelluloses within bamboo cell walls. 2D NMR detected bond changes, while nanoindentation measured mechanical decline.
View Article and Find Full Text PDFUnlabelled: Sliced bamboo veneer used as a high-end decoration material is a highly innovative material for the deep processing of bamboo. However, bamboo is rich in starch and small molecular soluble sugars, making it susceptible to mildew infection and limiting the wide application of sliced veneer plybamboo. Spice essential oils are considered green and safe antimildew agents, which are cheap and accessible.
View Article and Find Full Text PDFA key gene, violaxanthin de-epoxidase-like 1, enhances fucoxanthin accumulation in Phaeodactylum tricornutum.
Biotechnol Biofuels Bioprod
April 2024
Background: Fucoxanthin has been widely investigated owing to its beneficial biological properties, and the model diatom Phaeodactylum tricornutum, possessing fucoxanthin (Fux) chlorophyll proteins as light-harvesting systems, is considered to have the potential to become a commercial cell factory for the pigment production.
Results: Here, we compared the pigment contents in 10 different P. tricornutum strains from the globe, and found that strain CCMP631 (Pt6) exhibited the highest Fux content but with a low biomass.
Isolation of High-Quality Plastids from the Diatom Phaeodactylum tricornutum.
Methods Mol Biol
March 2024
Phaeodactylum tricornutum, a model pennate diatom, carries a secondary plastid surrounded by four membranes. Its biological function remains mysterious, supposed to combine features of the primary chloroplast and the endomembrane system. Isolation of high-quality plastid from the diatom enables a more conclusive understanding of the special structure and metabolic pathways in the plastid.
View Article and Find Full Text PDFArticle Synopsis
- The bamboo industry faces challenges due to environmental issues linked to traditional preservatives, highlighting the need for sustainable alternatives.
- This study evaluates the antimildew effects of three natural phenolic compounds—eugenol, carvacrol, and paeonol—against common bamboo mildews using various testing methods.
- Results indicate that carvacrol is the most effective compound, severely disrupting mildew cell structure and offering a promising eco-friendly solution for mildew prevention in bamboo.
Article Synopsis
- Ionic liquids, a type of organic salt made up of cations and anions, exhibit several beneficial properties like low toxicity and high thermal stability, making them potential antifungal agents.
- The study focused on the antifungal effects of various ionic liquid cations against fungi like Penicillium citrinum and Aspergillus niger, using methods like SEM and TEM to analyze their impact on fungal cell structures.
- Results demonstrated that certain ionic liquids, like 1-decyl-3-methylimidazole, had strong inhibitory effects, while others were less effective, and observations revealed damaging effects on fungal mycelium and cell membranes, providing key insights for their use in industries like medicine and food.
CRISPR/Cas9-Mediated Genome Editing via Homologous Recombination in a Centric Diatom .
ACS Synth Biol
April 2023
, the most abundant genus of marine planktonic diatoms, can be used in mariculture. An effective genetic transformation system with a short transformation period was established in by electroporation in our previous study. In this study, a sequence-specific clustered regularly interspaced short palindromic repeat (CRISPR)/Cas9 vector applicable for was constructed, and the expressions of sgRNA, resistance gene, and gene were driven by the endogenous promoters , and , respectively, in the vector.
View Article and Find Full Text PDFInorganic-organic donor-acceptor hybrid compounds are an emerging class of multifunctional crystalline materials with well-defined structures built from semiconductive inorganic and organic components. Perylenediimides (PDIs) are a prominent class of electron-deficient organic dyes, which can undergo consecutive photoinduced electron transfers to generate doublet excited-state radical anions for photoredox-inert chemical bonds. Thus, this is an excellent organic component for building hybrid materials to study the structure-property relationships in organic synthesis.
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- * Combining citral with cinnamaldehyde or thymol can alter its chemical structure and antimicrobial properties, with the citral-thymol compound showing the best antimildew results against common molds.
- * The citral-thymol compound demonstrated good efficacy at 200 mg/mL, allowing for a reduction of about 67 mg/mL of citral without compromising its antimildew performance.
Article Synopsis
- To enhance the stability and antimildew effectiveness of citral, natural antioxidants such as tea polyphenols, ascorbic acid, and theaflavin were used to modify citral in the study.
- The study found that these antioxidants improved citral’s performance, with tea polyphenols showing the most significant antioxidant activity, effectively preventing oxidative degradation when used at 1.0%.
- Modified citral with antioxidants not only achieved 100% effectiveness against various mildews but also allowed for a reduction in the amount of citral needed, decreasing the overall treatment costs for bamboo.
Article Synopsis
- The research involved modifying citral with tea polyphenols to combat oxidation and improve bamboo's resistance to mold during processing.
- Using methods like orthogonal testing and UV-vis spectrophotometry, results indicated that a concentration of 175 mg/mL or higher of the modified citral achieved complete mold resistance.
- The optimized treatment conditions included an impregnation pressure of 0.6 MPa, a time of 150 minutes, and a concentration of 200 mg/mL, enhancing bamboo's anti-mildew properties while maintaining its appearance and adding a lemon scent.
Article Synopsis
- - The study developed a sustained-release system using PNIPAm nanohydrogel to deliver citral, analyzed its drug-release profiles using various kinetics models, and assessed its effectiveness against bamboo moulds.
- - Results indicated that the drug release followed first-order kinetics, with increased efficiency at higher temperatures, and PNIPAm effectively protected and released citral over time.
- - The optimized conditions yielded significant mould control (100% effectiveness) after 28 days, without altering the structure or color of the bamboo.