Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2016
Forfattere
Samson ØpstadSammendrag
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Sammendrag
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Sammendrag
Microsatellite markers are one of the most valuable genetic marker because of high polymorphism, codominant, high reproducibility and relatively high abundance in the genome. Classical techniques to identify and to develop microsatellite markers are time-consuming and require cloning and library construction followed by Sanger sequencing. In the recent years Next Generation Sequencing (NGS) have been widely used to identify molecular markers for non-model organisms. To test the efficiency of NGS techniques in developing molecular markers, we have used double digest Restriction site Associated DNA Sequencing (ddRADseq) to identify microsatellites in Heracleum. Genomic DNA from three individuals digested with SbfI and NdeI followed by size selection and library construction and then DNA fragments were sequenced with Ion Torrent PGM. After trimming adaptors and evaluating the quality of reads, QDD software was used to screen reads with microsatellite motives containing two, three, four, five and six nucleotide repeats. Almost 2% of all sequences were consisted microsatellites repeats. Fifty four singleton and consensus sequences were bioanformatically confirmed and were checked for contamination and similarity with NCBI nucleotide database. Seventy percent of the sequences were represented by (AT)n, (AT)n, (GA)n and (AC)n motives. Twenty five primer pairs were selected to test for amplification and the results showed that most of the loci produced the expected size on Agarose gel. Our results show the high efficiency of ddRADseq in developing sufficient number of markers in a short time where the budget is also limited. Keywords: Microsatellites, Next Generation Sequencing, ddRADseq, Heracleum
Forfattere
Asbjørn VeidalSammendrag
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Forfattere
Synnøve RivedalSammendrag
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Sammendrag
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Forfattere
Marianne BechmannSammendrag
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Forfattere
Marianne BechmannSammendrag
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Forfattere
Lise GrøvaSammendrag
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Forfattere
Lise GrøvaSammendrag
Presentasjon av KRUS-prosjektet på NIBIO samling.