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Genetic Adaptation to Climate in White Spruce Involves Small to Moderate Allele Frequency Shifts in Functionally Diverse Genes

Overview of attention for article published in Genome Biology & Evolution, November 2015
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Title
Genetic Adaptation to Climate in White Spruce Involves Small to Moderate Allele Frequency Shifts in Functionally Diverse Genes
Published in
Genome Biology & Evolution, November 2015
DOI 10.1093/gbe/evv218
Pubmed ID
Authors

Benjamin Hornoy, Nathalie Pavy, Sébastien Gérardi, Jean Beaulieu, Jean Bousquet

Abstract

Understanding the genetic basis of adaptation to climate is of paramount importance for preserving and managing genetic diversity in plants in a context of climate change. Yet, this objective has been addressed mainly in short-lived model species. Thus expanding knowledge to non-model species with contrasting life-history, such as forest trees, appears necessary. To uncover the genetic basis of adaptation to climate in the widely distributed boreal conifer white spruce (Picea glauca), an environmental-association study was conducted using 11,085 SNPs representing 7,819 genes, i.e. approximately a quarter of the transcriptome.Linear and quadratic regressions controlling for isolation-by-distance, and the Random Forest algorithm, identified several dozen genes putatively under selection, among which 43 showed strongest signals along temperature and precipitation gradients. Most of them were related to temperature. Small to moderate shifts in allele frequencies were observed. Genes involved encompassed a wide variety of functions and processes, some of them being likely important for plant survival under biotic and abiotic environmental stresses according to expression data. Literature mining and sequence comparison also highlighted conserved sequences and functions with angiosperm homologs.Our results are consistent with theoretical predictions that local adaptation involves genes with small frequency shifts when selection is recent and gene flow among populations is high. Accordingly, genetic adaptation to climate in P. glauca appears to be complex, involving many independent and interacting gene functions, biochemical pathways and processes. From an applied perspective, these results shall lead to specific functional/association studies in conifers and to the development of markers useful for the conservation of genetic resources.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 80 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Canada 2 3%
United States 1 1%
Unknown 77 96%

Demographic breakdown

Readers by professional status Count As %
Researcher 23 29%
Student > Ph. D. Student 14 18%
Student > Master 11 14%
Student > Bachelor 4 5%
Professor > Associate Professor 4 5%
Other 9 11%
Unknown 15 19%
Readers by discipline Count As %
Agricultural and Biological Sciences 46 57%
Biochemistry, Genetics and Molecular Biology 9 11%
Environmental Science 3 4%
Computer Science 1 1%
Psychology 1 1%
Other 3 4%
Unknown 17 21%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 4. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 13 November 2015.
All research outputs
#8,261,756
of 25,373,627 outputs
Outputs from Genome Biology & Evolution
#1,901
of 3,032 outputs
Outputs of similar age
#96,584
of 293,332 outputs
Outputs of similar age from Genome Biology & Evolution
#36
of 68 outputs
Altmetric has tracked 25,373,627 research outputs across all sources so far. This one has received more attention than most of these and is in the 66th percentile.
So far Altmetric has tracked 3,032 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 13.4. This one is in the 35th percentile – i.e., 35% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 293,332 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 66% of its contemporaries.
We're also able to compare this research output to 68 others from the same source and published within six weeks on either side of this one. This one is in the 47th percentile – i.e., 47% of its contemporaries scored the same or lower than it.