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- Sörme, Louise, et al.
(författare)
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Matavfall i butik : analys av samhällsförändringar
- 2019
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Rapporten beskriver hur matavfall/matsvinn under det senaste decenniet har gått från en icke-fråga till en viktig miljöfråga, i samhället och i livsmedelshandeln. Den är resultatet av ett forskningsprojekt inom Forskning om uppföljningsmått för samhällsomställningar och miljömålen.Antalet artiklar om matsvinn har ökat från 22 (2008) till 720 (2017). Genom publicering av statistik om dess matsvinnets omfattning var fokus till en början på svinnet som resursslöseri. Sedan 2016 har matavfall/matsvinn i butik rapporteras som ett gemensamt problem genom hela kedjan; producent till konsument, samt för myndigheteroch politiker. Samtidigt finns en tendens att framställa problemet som någon annans, enligt intervjustudien.Mätningens roll för att synliggöra frågan, formeringen av aktörsnätverket (SaMMa), mediernas roll som katalysator och blåslampa, samt attitydförändring hos konsumenter och i branschen har samverkat för att sätta fokus på matsvinnet.Forskningen har finansierats av Naturvårdsverkets miljöforskningsanslag till stöd för Naturvårdsverket och Havs- och vattenmyndighetens arbete med uppföljningen av miljömålen.
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| 5. |
- Ablondi, Michela, et al.
(författare)
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Signatures of selection in the genome of Swedish warmblood horses selected for sport performance
- 2019
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Ingår i: BMC Genomics. - : Springer Science and Business Media LLC. - 1471-2164. ; 20
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Tidskriftsartikel (refereegranskat)abstract
- Background A growing demand for improved physical skills and mental attitude in modern sport horses has led to strong selection for performance in many warmblood studbooks. The aim of this study was to detect genomic regions with low diversity, and therefore potentially under selection, in Swedish Warmblood horses (SWB) by analysing high-density SNP data. To investigate if such signatures could be the result of selection for equestrian sport performance, we compared our SWB SNP data with those from Exmoor ponies, a horse breed not selected for sport performance traits. Results The genomic scan for homozygous regions identified long runs of homozygosity (ROH) shared by more than 85% of the genotyped SWB individuals. Such ROH were located on ECA4, ECA6, ECA7, ECA10 and ECA17. Long ROH were instead distributed evenly across the genome of Exmoor ponies in 77% of the chromosomes. Two population differentiation tests (F-ST and XP-EHH) revealed signatures of selection on ECA1, ECA4, and ECA6 in SWB horses. Conclusions Genes related to behaviour, physical abilities and fertility, appear to be targets of selection in the SWB breed. This study provides a genome-wide map of selection signatures in SWB horses, and ground for further functional studies to unravel the biological mechanisms behind complex traits in horses.
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| 6. |
- Ameur, Adam, et al.
(författare)
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SweGen : a whole-genome data resource of genetic variability in a cross-section of the Swedish population
- 2017
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Ingår i: European Journal of Human Genetics. - : NATURE PUBLISHING GROUP. - 1018-4813 .- 1476-5438. ; 25:11, s. 1253-1260
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Tidskriftsartikel (refereegranskat)abstract
- Here we describe the SweGen data set, a comprehensive map of genetic variation in the Swedish population. These data represent a basic resource for clinical genetics laboratories as well as for sequencing-based association studies by providing information on genetic variant frequencies in a cohort that is well matched to national patient cohorts. To select samples for this study, we first examined the genetic structure of the Swedish population using high-density SNP-array data from a nation-wide cohort of over 10 000 Swedish-born individuals included in the Swedish Twin Registry. A total of 1000 individuals, reflecting a cross-section of the population and capturing the main genetic structure, were selected for whole-genome sequencing. Analysis pipelines were developed for automated alignment, variant calling and quality control of the sequencing data. This resulted in a genome-wide collection of aggregated variant frequencies in the Swedish population that we have made available to the scientific community through the website https://swefreq.nbis.se. A total of 29.2 million single-nucleotide variants and 3.8 million indels were detected in the 1000 samples, with 9.9 million of these variants not present in current databases. Each sample contributed with an average of 7199 individual-specific variants. In addition, an average of 8645 larger structural variants (SVs) were detected per individual, and we demonstrate that the population frequencies of these SVs can be used for efficient filtering analyses. Finally, our results show that the genetic diversity within Sweden is substantial compared with the diversity among continental European populations, underscoring the relevance of establishing a local reference data set.
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| 8. |
- Eriksson, Susanne, et al.
(författare)
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A genome-wide association study of young horse test traits in Swedish Warmblood
- 2016
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Ingår i: Book of Abstracts, EAAP. - 1382-6077. ; 22, s. 576-576
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- Tests of three-year-old Swedish Warmblood (SWB) horses include traditional subjective assessments on a ten point scale of the quality of the horses in relation to the breeding goal. In 2013 a complementary linear scoring of the horses on a nine point scale from one extreme to the other was introduced. The horses are assessed for traits related to conformation, gaits and jumping ability. Also, deviations from normality are indicated for some traits (0/1). In this study we aimed to find genomic regions associated with these test traits. In total 380 SWB horses tested as three-year-olds in 2013 or 2014 were genotyped using the Affymetrix 670k SNP bead chip. After quality control the data set included 379 horses and 467,606 SNPs. Counting also traits recorded in only one of the years, the data included 97 traits. A fast score test for association in the R software GenAbel was used for a first set of analyses. The uncorrected lambda value was >1 for most traits so genomic control was used, and the model included year and place of the test and sex of the horse. Preliminary results validate findings in other horse breeds of a region on ECA3 highly significant for height at withers. SNP-associations significant after Bonferroni correction were also found for traditionally scored type of the horse, and linear measures of type (light - heavy built). Because the data was particularly stratified for jumping traits, analyses were also done within clusters of genomic relationship. Within one of the two clusters, significant associations were also found for jumping technique. Suggestive significant associations were found for several traits, and continued analyses including polygenic effects are in the pipeline.
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