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DENMARK

Financiado

Cerrado

DNA Environment Mineral Association Reaction Kinetics

Environmental DNA (eDNA) is trace amounts of DNA released by organisms into water and sediments. It has recently attracted a lot of attention as it can be a valuable tool for detecting present and past organisms without the need t... ver más

31/03/2022

UCPH

219K€

Presupuesto del proyecto: 219K€

Líder del proyecto

KOBENHAVNS UNIVERSITET No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2022-03-31

MSCA-IF-2018: Individual Fellowships

I+D

Cerrada hace 6 años

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Información adicional privada

No hay información privada compartida para este proyecto. Habla con el coordinador.

1 Participantes

UCPH

219.31K€ | Lider

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Duración del proyecto: 35 meses Fecha Inicio: 2019-04-10
Fecha Fin: 2022-03-31

Líder del proyecto

KOBENHAVNS UNIVERSITET No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 219K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Environmental DNA (eDNA) is trace amounts of DNA released by organisms into water and sediments. It has recently attracted a lot of attention as it can be a valuable tool for detecting present and past organisms without the need to directly sample them. However, biotic and abiotic decay has severe effects on DNA survival. The adsorption of DNA to mineral surfaces in sediments as well as saline conditions have been shown to protect DNA molecules and decrease the DNA decay rate. Understanding which minerals and environmental conditions provide the best preservation of adsorbed DNA can thus allow us to: a) target such environments for paleoecological and palaeogenetic studies; b) serve as a quantitative tool for assessing DNA migration, i.e. is the recovered eDNA autochthonous?; and c) significantly advance eDNA extraction and analysis protocols by targeting and extracting eDNA from specific minerals. Currently, we only have a qualitative understanding of the DNA-mineral adsorption/desorption at the bulk level and we have no quantitative insight into the DNA-mineral interactions and solution conditions that enhance DNA survival, nor the combined impact on DNA longevity in natural environments. With DENMARK I will (1) assess DNA-mineral associations and correlate with eDNA preservation state in sediments from terrestrial, freshwater and marine settings. Additionally, for a range of sedimentary minerals and a range of environmentally relevant solution compositions I will: (2) quantify the Gibbs free energy (ΔGbu) and kinetic bond parameters of in vitro DNA-mineral interactions; and (3) examine the nature, fraction and stability of interacting bonds of in vitro DNA-mineral associations at the bulk level. (4) Finally, I will link the sediment data to the in vitro single bond and bulk data to make a conceptual model for addressing the characteristics and longevity of different DNA-mineral systems, and improve eDNA extraction protocols.

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