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Irpex lacteus CD2 Dichomitus squalens DSM 9615

ABSTRACT: Lytic polysaccharide monooxygenase involved in lignin oxidation for efficient lignocellulosic degradation

PROVIDER: PRJNA450991 | ENA |

REPOSITORIES: ENA

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Project description:Lytic polysaccharide monooxygenase involved in lignin oxidation for efficient lignocellulosic degradation

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Irpex lacteus strain:CD2

Project description:Irpex lacteus Transcriptome

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Functional diversity in <i>Dichomitus squalens</i> monokaryons.

Project description:Dichomitussqualens is a white-rot fungus that colonizes and grows mainly on softwood and is commonly found in the northern parts of Europe, North America, and Asia. We analyzed the genetic and physiological diversity of eight D. squalens monokaryons derived from a single dikaryon. In addition, an unrelated dikaryon and a newly established dikaryon from two of the studied monokaryons were included. Both growth and lignocellulose acting enzyme profiles were highly variable between the studied monokaryotic and dikaryotic strains, demonstrating a high level of diversity within the species.

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Nitrogen source-driven regulation of Irpex lacteus for enhanced lignocellulose degradation and microbial protein production in wheat straw

Project description:White rot fungi, such as Irpex lacteus, offer significant potential for lignocellulose degradation and protein synthesis in sustainable biofuel and animal feed production,but optimizing nitrogen sources to balance fungal growth, lignin degradation, and protein synthesis remains a critical challenge.This study investigated the effects of ammonium chloride (NH₄Cl) and sodium nitrate (NaNO₃) on I. lacteus fermentation in wheat straw, with a focus on the regulation of nitrogen source.Transcriptomic analysis revealed that NaNO₃ upregulated genes associated with nitrogen uptake and cellulose/hemicellulose degradation,while exerting less repression on key ligninolytic enzymes, such as manganese peroxidase and cytochrome P450, compared to NH₄Cl.These findings suggest that NaNO₃ enhances I. lacteus metabolism by harmonizing lignin degradation with efficient nitrogen conversion.

2025-05-21 | GSE297384 | GEO

Furan Derivatives and Polyketides from the Fungus Irpex lacteus.

Project description:Eight new furan derivatives, irpexins A‒H (1‒8), two new polyketides, irpexins I and J (9 and 10), together with nine known compounds were isolated from the fermentation of Irpex lacteus. The structures and absolute configurations were elucidated on the basis of extensive spectroscopic methods and Mosher ester reaction. All compounds shows no cytotoxicity to human MCF-7 and Hela cancer cell lines at the concentration of 10 μM.

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New Sesquiterpenoids From Plant-Associated <i>Irpex lacteus</i>.

Project description:Bacteria produce a large number of virulence factors through the quorum sensing (QS) mechanism. Inhibiting such QS system of the pathogens without disturbing their growth is a potential strategy to control multi-drug-resistant pathogens. To accomplish this, two new tremulane-type sesquiterpenoids, irpexolaceus H (1) and I (2), along with two known furan compounds, irpexlacte B (3) and C (4), were isolated from Orychophragmus violaceus (L.) OE Schulz endophytic fungus Irpex lacteus (Fr.) Fr. Their structures were elucidated by detailed spectroscopic data (NMR, HRESIMS, IR, and UV), single-crystal X-ray diffraction, and electronic circular dichroism (ECD) analysis. Furthermore, those compounds were evaluated for anti-quorum sensing (anti-QS) activity, and compound 3 was found contributing to the potential QS inhibitory activity.

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Gene family expansions and transcriptome signatures uncover adaptations to wood decay in basidiomycetes fungi from the order Polyporales [Irpex lacteus]

Project description:Because they comprise some of the most efficient wood-decayers, Polyporales fungi impact carbon cycling in forest environment. The transcriptomic trends of selected Polyporales species from the core polyporoid and phlebioid clades during degradation of diverse lignocellulosic substrates led to the discovery of conserved gene sets regulated for plant cell wall degradation. Our results unveil some of the mechanisms underlying Polyporales diversification and pinpoint to yet overlooked proteins that could contribute to the ability of Polyporales to degrade recalcitrant plant cell wall polymers.

2021-08-11 | GSE156899 | GEO

Induction, purification and characterization of a novel manganese peroxidase from Irpex lacteus CD2 and its application in the decolorization of different types of dye.

Project description:Manganese peroxidase (MnP) is the one of the important ligninolytic enzymes produced by lignin-degrading fungi which has the great application value in the field of environmental biotechnology. Searching for new MnP with stronger tolerance to metal ions and organic solvents is important for the maximization of potential of MnP in the biodegradation of recalcitrant xenobiotics. In this study, it was found that oxalic acid, veratryl alcohol and 2,6-Dimehoxyphenol could stimulate the synthesis of MnP in the white-rot fungus Irpex lacteus CD2. A novel manganese peroxidase named as CD2-MnP was purified and characterized from this fungus. CD2-MnP had a strong capability for tolerating different metal ions such as Ca2+, Cd2+, Co2+, Mg2+, Ni2+ and Zn2+ as well as organic solvents such as methanol, ethanol, DMSO, ethylene glycol, isopropyl alcohol, butanediol and glycerin. The different types of dyes including the azo dye (Remazol Brilliant Violet 5R, Direct Red 5B), anthraquinone dye (Remazol Brilliant Blue R), indigo dye (Indigo Carmine) and triphenylmethane dye (Methyl Green) as well as simulated textile wastewater could be efficiently decolorized by CD2-MnP. CD2-MnP also had a strong ability of decolorizing different dyes with the coexistence of metal ions and organic solvents. In summary, CD2-MnP from Irpex lacteus CD2 could effectively degrade a broad range of synthetic dyes and exhibit a great potential for environmental biotechnology.

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Project description:Irpex lacteus overview

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Project description:Irpex lacteus Genome sequencing

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