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Molecular Ecology|October 16, 2019
Extra-pair mating in a passerine bird with highly duplicated major histocompatibility complex class II: Preference for the golden meanSilje L Rekdal, Jarl Andreas Anmarkrud, Jan T Lifjeld, et al.
Nature|October 17, 2003
Females increase offspring heterozygosity and fitness through extra-pair matingsKatharina Foerster, Kaspar Delhey, Arild Johnsen, et al.
Ecology and Evolution|February 14, 2018
Genotyping strategy matters when analyzing hypervariable major histocompatibility complex-Experience from a passerine birdSilje L Rekdal, Jarl Andreas Anmarkrud, Arild Johnsen, et al.
Ecology and Evolution|March 3, 2025
Sperm mtDNA Copy Number Is Not Associated With Midpiece Size Among SongbirdsLaima Bagdonaitė, Quentin Mauvisseau, Arild Johnsen, et al.
Ecology and Evolution|February 14, 2013
Deep sympatric mtDNA divergence in the autumnal moth (Epirrita autumnata)Kjersti S Kvie, Silje Hogner, Leif Aarvik, et al.
Plos One|October 27, 2010
Sperm length variation as a predictor of extrapair paternity in passerine birdsJan T Lifjeld, Terje Laskemoen, Oddmund Kleven, et al.
Evolution; International Journal of Organic Evolution|December 12, 2007
Intraspecific variation in sperm length is negatively related to sperm competition in passerine birdsOddmund Kleven, Terje Laskemoen, Frode Fossøy, et al.
Peerj|April 15, 2025
Assessing reliability and accuracy of qPCR, dPCR and ddPCR for estimating mitochondrial DNA copy number in songbird blood and sperm cellsLaima Bagdonaitė, Erica H Leder, Jan T Lifjeld, et al.
Evolution; International Journal of Organic Evolution|November 1, 2024
Sperm as a speciation phenotype in promiscuous songbirdsJan T Lifjeld, Emily R A Cramer, Erica H Leder, et al.
Evolution; International Journal of Organic Evolution|May 21, 2009
Comparative evidence for the evolution of sperm swimming speed by sperm competition and female sperm storage duration in passerine birdsOddmund Kleven, Frode Fossøy, Terje Laskemoen, et al.
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