Coordinatore | UNIVERSITY OF NEWCASTLE UPON TYNE
Organization address
address: Kensington Terrace 6 contact info |
Nazionalità Coordinatore | United Kingdom [UK] |
Totale costo | 280˙443 € |
EC contributo | 280˙443 € |
Programma | FP7-PEOPLE
Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) |
Code Call | FP7-PEOPLE-2010-IOF |
Funding Scheme | MC-IOF |
Anno di inizio | 2011 |
Periodo (anno-mese-giorno) | 2011-09-01 - 2014-02-28 |
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UNIVERSITY OF NEWCASTLE UPON TYNE
Organization address
address: Kensington Terrace 6 contact info |
UK (NEWCASTLE UPON TYNE) | coordinator | 280˙443.66 |
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'This Fellowship is a partnership between the University of California, Berkeley, USA (outgoing host) and Newcastle University, UK (return host) and focuses on fungal molecular ecology. Fungi play vital roles in natural and agricultural soil systems but are extremely diverse and difficult to study. New molecular based techniques e.g. next generation DNA sequencing technology (NGST) are beginning to reveal the complexity of fungal communities. However, enumeration of species diversity reveals little about how community structure affects key ecosystem functions and the power of NGST must be harnessed to link fungal taxonomic diversity to function. Given the unique status of fungi in soil systems this project aims to utilise NGST to answer fundamental ecological questions relating to fungi. The first objective is to compare and optimise DNA and RNA extraction methods from soil to provide information on fungal taxonomic and functional diversity. Nucleic acid extraction methods will be optimised for ectomycorrhizal fungi (EMF) in a globally unique Californian pine forest ecosystem. Despite the importance of EMF little is known how their diversity relates to function and in particular, there is current debate over contribution of EMF to soil saprophytic activities. Hence the second objective is to use NGST to examine the contribution of EMF to soil organic matter transformation. Finally, given the lack of knowledge on fungal diversity and function it is extremely difficult to assess how abiotic stress may affect essential soil fungal diversity and function. Hence the third and final objective of this project is to assess the effect of increased atmospheric ozone levels (a model system) on soil fungal diversity and function. The project is designed to provide state of the art training in fungal molecular ecology and analysis of complex data thereby providing excellent career development potential for the Fellow.'
Researchers are studying fungal diversity to find out what it takes to sustain a healthy ecosystem in the face of climate change and deforestation.
Fungi are crucial to ecosystems: while some are nutrient recyclers that decompose plant debris, others are root colonisers that enhance nutrient and water uptake in plant root systems. Little is known, however, about the complexity and varied roles of different soil fungal communities, and how they are affected by environmental changes.
The EU-funded project 'Using next generation DNA sequencing to link soil fungal diversity to ecosystem function' (MYCODIVERSITY) developed a fungal genetic database for downstream analyses.
Since tree root-colonising fungi are essential to productive forest ecosystems, MYCODIVERSITY researchers used their genetic data to analyse fungal distributions in a Californian pine forest. While the distribution of root-colonising fungi around each tree did not differ, fungal community structure varied according to the age of the tree.
In contrast, there was significant spatial diversity of nutrient-recycling fungi, suggesting that different environmental factors govern the population structure of fungi that play different roles. The researchers also found that environmental stresses like high ozone or pollutant exposure reduced the ability of fungi to recycle nutrients through plant litter decomposition.
Understanding the potential consequences of climate change on fungal communities, such as that of high atmospheric ozone levels, is vital to help safeguard ecosystems. In addition, studying fungal diversity in different environments could inform particular conservation efforts, like those focused on re-establishing forests on degraded land.
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