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<title><string language="fre"><![CDATA[[COLLOQUE] GENTREE Final Conference 27-31 January 2020 séance 25]]></string></title>
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<string language="fre"><![CDATA[GENTREE Final Conference :
Anna-Maria FARSAKOGLOU - Aristotle University of Thessaloniki ·
Greece
GENTREE Final Conference 'Genetics to the rescue - managing forests sustainably in a changing environment'
27-31 January 2020, Avignon, France
http://www.gentree-h2020.eu/
Anna-Maria FARSAKOGLOU - Aristotle University of Thessaloniki ·
Greece : Genome-wide genetic diversity and differentiation of 12
major European tree species elucidates conservation needs
The prospect of genetic diversity loss under a changing climate calls
for improved conservation strategies. 
Recent technological advances
enabled us to estimate with a high analytical power, genetic
diversity and differentiation parameters at the genome-wide level and
answer crucial biological questions related to conservation and to
the fate of populations under strong environmental change. 
Herein, we
present key genetic diversity and genetic differentiation parameters
for 12 ecologically significant and commercially important European
tree species, as the baseline of a concrete plan of action for the
conservation of the European forest genetic resources.
Material/Methods: For each species 10 to 25 populations (19 to 25
trees per population) were used for Allegro genotyping and exome
capture sequencing, respectively, in order to produce around several
thousands SNPs for each species. 
A bioinformatics pipeline was
constructed, using the R and UNIX environments, in order to
automatically analyze the data and estimate genetic parameters.
Results: To assess genetic variation from a conservation perspective,
we estimated for all populations of each species, expected (He) and
observed (Ho) heterozygosity, the inbreeding coefficient (FIS), and
the FST(i) as the genetic differentiation of a single population
compared to all others within a species. 
Moreover, we have also
calculated the Effective Population Size (Ne), and the folded Site
Frequency Spectrum (SFS) with its respective concavity, to infer a
possible signal of underlying evolutionary forces. 
Conclusion: A set,
and overview of conservation genetics parameters is provided for a
network of natural populations across the species range for some of
the most important forest trees in Europe. 
?hese parameters will be
useful to highlight population properties, such as high genetic
diversity, or severe genetic bottlenecks and conceive strategies
ranging from in situ gene conservation to genetic rescue. 
Therefore,
these results can serve as a powerful tool for novel approaches in
conservation and management.]]></string></description>
<keyword><string language="fre"><![CDATA[climate change]]></string></keyword><keyword><string language="fre"><![CDATA[avignon 2020]]></string></keyword><keyword><string language="fre"><![CDATA[inrae]]></string></keyword><keyword><string language="fre"><![CDATA[europe]]></string></keyword><keyword><string language="fre"><![CDATA[grant agreement No 676876]]></string></keyword><keyword><string language="fre"><![CDATA[forest genetic resources]]></string></keyword><keyword><string language="fre"><![CDATA[FGR]]></string></keyword><keyword><string language="fre"><![CDATA[tree species]]></string></keyword><keyword><string language="fre"><![CDATA[GenTree]]></string></keyword>
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Arbres, Arbustes, Plantes grimpantes]]></string>
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