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Dendrobaena veneta

ABSTRACT: Dendrobaena veneta overview

PROVIDER: PRJNA1266782 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1068212.fastq.gz	Fastqsanger.gz
	SRR29236000_1.fastq.gz	Fastqsanger.gz
	SRR29236000_2.fastq.gz	Fastqsanger.gz
	SRR29236001_1.fastq.gz	Fastqsanger.gz
	SRR29236001_2.fastq.gz	Fastqsanger.gz

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De novo RNA sequencing of the gut and cerebral ganglion of Dendrobaena veneta exposed to carbamazepine

Project description:One of the most widely used drugs in municipal wastewater treatment effluents and soil is carbamazepine, a commonly prescribed antidepressants and antiepileptic drug. Carbamazepine exerts an intrinsic biological activity on the nervous system, thus may induce ecotoxicological effects on non-target organisms. Earthworms, one of the essential indicator species of soil health, accumulate biosolid fertilisers and wastewater contaminants. In this project, earthworms (Dendrobaena veneta) were treated with carbamazepine to explore their uptake dynamics, molecular and life cycle endpoints. By conducting transcriptomic profiling of different tissues in an organism exposed to carbamazepine assists in defining detoxification and neural system responses in the terrestrial invertebrate.

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Project description:RNA sequencing of epithelium from the earthworm, Dendrobaena veneta (European nightcrawler)

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De novo RNA sequencing of the gut and cerebral ganglion of Dendrobaena veneta exposed to carbamazepine

Project description:De novo RNA sequencing of the gut and cerebral ganglion of Dendrobaena veneta exposed to carbamazepine

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Project description:Combined ecotoxicological effects of different sizes and concentrations of polyethene microplastics and soil salinization on the earthworm Dendrobaena veneta

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Analysis of lysozyme in Venetin-1 – an anticancer and antifungal nanoparticle from the coelomic fluid of the earthworm Dendrobaena veneta

Project description:In the present study, lysozyme was analysed in the Venetin-1 protein-polysaccharide complex obtained from the coelomic fluid of the earthworm Dendrobaena veneta and exhibiting anticancer, antifungal, and immunostimulatory activity. The analysis of fractions with different molecular weights revealed the highest concentration of lysozyme recognised by antibodies directed against human lysozyme in the fraction containing compounds with a mass above 100 kDa and in the complex obtained using dialysis bags with a cut-off point of 6-8 kDa. The activity of lysozyme in this preparation was 1181.43 U/mg. FTIR analyses confirmed the validity of using a lower cut-off point and showed greater similarity of the spectrum of the complex obtained with this method to hen egg white lysozyme (EWL). Raman analysis showed significant similarity of the protein part of Venetin-1 and EWL. Cryo-EM studies revealed the structure of the tested nanoparticle with similarity to lysozyme and lysenin. Immunoblotting using antibodies directed against human lysozyme showed proteins with a mass of 11, 33, 44, 88, and 132 kDa recognised in Venetin-1. These observations suggest the presence of polymeric forms of lysozyme in the tested complex. Zeta potential analysis revealed properties of the nanoparticle that predispose it to be used in medicine.

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Project description:Ammonia veneta Umbrella project

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Novel Venetin-1 nanoparticle from earthworm coelomic fluid as a promising agent for the treatment of non-small cell lung cancer

Project description:The present research shows the antitumor activity of a protein-polysaccharide complex Venetin-1 obtained from the fluid of Dendrobaena veneta earthworms against A549 cancer cells. The investigations are a continuation of experiments on the antitumor activity of the coelomic fluid from this species. The Venetin-1 nanoparticle was obtained after thermal treatment of the coelomic fluid, separation from coelomocytes, filtration, and lyophilization. The preparation showed a selective effect on cancer cells while sparing normal cells. Venetin-1 was effective against the lung cancer cells at doses of 31.3 and 62.5 µg/ml, which was imaged using light microscopy and scanning electron microscopy (SEM). The cells died mainly via the apoptosis pathway. Necrotic cells appeared sporadically in the microscopic view. SEM imaging revealed complete destruction of the A549 cells after the incubation with Venetin-1. The atomic force microscopy (AFM) analyses showed changes in the topography, peak force error images, and Young’s modulus (elasticity) of the A549 cells after the incubation with Venetin-1. The transmission electron cryomicroscopy (Cryo-TEM) microscopic analysis indicated a polymeric nature of the analyzed preparation. The samples of Venetin-1 showed a very homogeneous size profile with the microparticle size determined to be around 58.23 nm. A significant decrease in Venetin-1 binding to sphingomyelin was observed. Venetin-1 lost its pore-forming activity or deactivation of the pore-forming activity occurred. This confirms the lack of hemolytic capacity of Venetin-1 towards red blood cells.

2022-10-07 | PXD034132 | Pride

Ammonia veneta strain:WYF01

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