Research Topics
| S BenschSummaryAffiliation: Lund University Country: Sweden Publications
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Detail Information
Publications
The sex-biased brain: sexual dimorphism in gene expression in two species of songbirdsSara Naurin
Department of Biology, Lund University, Ecology Building, S 223 62 Lund, Sweden
BMC Genomics 12:37. 2011..Studies of gene expression in related species can shed light on the flexibility, or degree of conservation, of the gene expression profiles underlying sexual dimorphism...- The Songbird Neurogenomics (SoNG) Initiative: community-based tools and strategies for study of brain gene function and evolutionKirstin Replogle
Cell and Developmental Biology, Univ, of Illinois, Urbana, IL, USA
BMC Genomics 9:131. 2008..In response, we developed a core set of genomic tools and a novel collaborative strategy to probe gene expression in diverse songbird species and natural contexts... 
Conflicting patterns of mitochondrial and nuclear DNA diversity in Phylloscopus warblersStaffan Bensch
Department of Animal Ecology, Ecology Building, S 223 62 Lund, Sweden
Mol Ecol 15:161-71. 2006....- Selection for heterozygosity gives hope to a wild population of inbred wolvesStaffan Bensch
Department of Animal Ecology, Lund University, Lund, Sweden
PLoS ONE 1:e72. 2006..Following our results we recommend that management programs of endangered populations include estimates of both f and heterozygosity, as they may contribute with complementary information about population viability... - Temporal dynamics and diversity of avian malaria parasites in a single host speciesStaffan Bensch
Department of Animal Ecology, Ecology Building, Lund University, S 223 62 Lund Sweden
J Anim Ecol 76:112-22. 2007.... - Linkage between nuclear and mitochondrial DNA sequences in avian malaria parasites: multiple cases of cryptic speciation?Staffan Bensch
Department of Animal Ecology, Ecology Building, S 223 62 Lund, Sweden
Evolution 58:1617-21. 2004..Studies examining parasite virulence and host immune systems must consider this remarkable diversity of avian malaria parasites... 
Genetic, morphological, and feather isotope variation of migratory willow warblers show gradual divergence in a ringStaffan Bensch
Department of Animal Ecology, Lund University, Ecology Building, SE 22362 Lund, Sweden
Mol Ecol 18:3087-96. 2009..The trait clines along the ring distribution outside the Scandinavian secondary contact zone thus seem to have been shaped by independent action of selection or drift during the process of postglacial colonization...- The use of AFLP to find an informative SNP: genetic differences across a migratory divide in willow warblersStaffan Bensch
Molecular Population Biology Laboratory, Department of Animal Ecology, University of Lund, S 223 62 Lund, Sweden
Mol Ecol 11:2359-66. 2002..The selective force maintaining the east-west cline is less obvious. We discuss alternatives to the selection scenario, involving colonization history and asymmetric gene flow... - Temporal and spatial variation of hematozoans in Scandinavian willow warblersStaffan Bensch
Department of Animal Ecology, Ecology Building, S 223 62 Lund, Sweden
J Parasitol 89:388-91. 2003..Such fluctuations of parasites and the selection pressure they supposedly impose on the host population are likely to maintain variation in immune system genes in the host population... - Ten years of AFLP in ecology and evolution: why so few animals?Staffan Bensch
Department of Animal Ecology, Ecology Building, Lund University, S 223 62 Lund, Sweden
Mol Ecol 14:2899-914. 2005..We hope this review will help molecular ecologists to identify when AFLP is likely to be superior to other more established methods, such as microsatellites, SNP (single nucleotide polymorphism) analyses and multigene DNA sequencing... - Mitochondrial genomic rearrangements in songbirdsS Bensch
Department of Animal Ecology, Lund University, Sweden
Mol Biol Evol 17:107-13. 2000.... - Host specificity in avian blood parasites: a study of Plasmodium and Haemoproteus mitochondrial DNA amplified from birdsS Bensch
Department of Animal Ecology, Lund University, Sweden
Proc Biol Sci 267:1583-9. 2000..Hence, host shifts seem to have occurred repeatedly in this parasite host system. We discuss this in terms of the possible evolutionary consequences for these bird species... - Partial albinism in a semi-isolated population of great reed warblersS Bensch
Department of Animal Ecology, Ecology Building, Lund University, SE 223 62 Lund, Sweden
Hereditas 133:167-70. 2000..The albinistic birds experienced a similar lifetime reproductive success as normally coloured birds... - Amplified fragment length polymorphism analysis identifies hybrids between two subspecies of warblersStaffan Bensch
Molecular Population Biology Laboratory, Department of Animal Ecology, University of Lund, S 223 62 Lund, Sweden
Mol Ecol 11:473-81. 2002..With such a frequency of genetic hybrids, there would have been much more mtDNA introgression than observed, had female hybrids been perfectly fertile/viable. This result is consistent with male-biased gene flow and Haldane's rule... - A new nested polymerase chain reaction method very efficient in detecting Plasmodium and Haemoproteus infections from avian bloodJ Waldenstrom
Department of Animal Ecology, Ecology Building, Lund University, SE 223 62 Lund, Sweden
J Parasitol 90:191-4. 2004..infections, which often are of low intensity and, therefore, hard to detect with other methods... - Haemosporidian blood parasites in European birds of prey and owlsO Krone
Department of Animal Ecology, Lund University, Solvegatan 37, Lund, Sweden
J Parasitol 94:709-15. 2008..strains that had already been found in Passeriformes were also detected in the birds of prey and owls examined here, supporting previous findings indicating a broad and nonspecific host spectrum bridging different bird orders... - Within-host speciation of malaria parasitesJavier Pérez-Tris
Department of Animal Ecology, Lund University, Lund, Sweden
PLoS ONE 2:e235. 2007..Strict sympatric speciation would involve parasite lineages diverging within a single host species, without any population subdivision... - Evidence of a neo-sex chromosome in birdsI Pala
Department of Biology, Lund University, Lund, Sweden
Heredity (Edinb) 108:264-72. 2012.... - Microsatellite diversity predicts recruitment of sibling great reed warblersB Hansson
Department of Animal Ecology, Ecology Building, Lund University, S 223 62 Lund, Sweden
Proc Biol Sci 268:1287-91. 2001..These relationships suggest that the microsatellite markers, which are generally assumed to be neutral, cosegregated with genes exhibiting genetic variation for fitness... - Cross-species infection of blood parasites between resident and migratory songbirds in AfricaJ Waldenstrom
Department of Animal Ecology, Ecology Building, Lund University, Sweden
Mol Ecol 11:1545-54. 2002..This cost of migration could have considerable impact on the evolution of migration and patterns of winter distribution in migrating birds... - Increase of genetic variation over time in a recently founded population of great reed warblers (Acrocephalus arundinaceus) revealed by microsatellites and DNA fingerprintingB Hansson
Department of Animal Ecology, Ecology Building, Lund University, S 223 62 Lund, Sweden
Mol Ecol 9:1529-38. 2000..These results suggest that the population has now recovered genetically, or is in the process of recovering, from a recent founder event... - Observation of a ZZW female in a natural population: implications for avian sex determinationD Arit
Department of Animal Ecology, Lund University, Ecology Building, S-223 62 Lund, Sweden
Proc Biol Sci 271:S249-51. 2004..Our data strongly suggest a role of W-linked genes in avian sex determination... - MHC class I typing in a songbird with numerous loci and high polymorphism using motif-specific PCR and DGGEH Westerdahl
Department of Animal Ecology, Ecology Building, Lund University, S 223 62 Lund, Sweden
Heredity (Edinb) 92:534-42. 2004..In our study population of great reed warblers, we found a high level of genetic variation in MHC class I, and no less than 234 DGGE genotypes were detected among 248 screened individuals... - Bird hosts, blood parasites and their vectors--associations uncovered by molecular analyses of blackfly blood mealsO Hellgren
Department of Animal Ecology, Ecology Building, Lund University, SE 22362 Lund, Sweden
Mol Ecol 17:1605-13. 2008.... - Between-year variation of MHC allele frequencies in great reed warblers: selection or drift?H Westerdahl
Department of Animal Ecology, Lund University, Sweden
J Evol Biol 17:485-92. 2004..These results imply that the variation in MHC allele frequencies between cohorts is not a result of demographic events, but rather an effect of selection favouring different MHC alleles in different years... - Circannual variation in blood parasitism in a sub-Saharan migrant passerine bird, the garden warblerO Hellgren
Molecular Ecology and Evolution Lab, Department of Biology, Lund University, Lund, Sweden
J Evol Biol 26:1047-59. 2013..Our results stress the importance of appropriate taxonomic resolution when examining host-parasite interactions, as variation in prevalence both between and within parasite genera can show markedly different patterns... - Good genes, oxidative stress and condition-dependent sexual signalsT von Schantz
Department of Animal Ecology, Lund University, Sweden
Proc Biol Sci 266:1-12. 1999.... - Characterization of a divergent chromosome region in the willow warbler Phylloscopus trochilus using avian genomic resourcesM Lundberg
Department of Biology, Ecology Building, Lund University, Lund, Sweden
J Evol Biol 24:1241-53. 2011..Our study shows that cross-species genome information is a useful resource to obtain candidate sequences adjacent to outlier markers in nonmodel species... - Diversity and phylogeny of mitochondrial cytochrome B lineages from six morphospecies of avian Haemoproteus (Haemosporida: Haemoproteidae)Olof Hellgren
Department of Animal Ecology, Ecology Building, Lund University, SE 22362 Lund, Sweden
J Parasitol 93:889-96. 2007..We, therefore, propose the use of a cyt. b fragment of this length as a standard gene fragment for a DNA bar-coding system for avian Haemoproteus species... - Individual oocysts of Isospora (Apicomplexa: Coccidia) parasites from avian feces: from photo to sequenceOlga V Dolnik
Department of Animal Ecology, Lund University, Solvegatan 37, 22362 Lund, Sweden
J Parasitol 95:169-74. 2009..This method expands the scope of genetic studies conducted on Isospora species, including routine molecular analysis of single oocysts isolated from fecal samples... - Effects of malaria double infection in birds: one plus one is not twoA Marzal
Department of Animal Ecology, Lund University, Lund, Sweden
J Evol Biol 21:979-87. 2008..These results demonstrate that malaria infections decrease survival, but also have different consequences on the breeding performance of single- and double-infected wild birds... - Molecular population divergence and sexual selection on morphology in the banded demoiselle (Calopteryx splendens)E I Svensson
Section for Animal Ecology, Department of Ecology, Lund University, SE 223 62 Lund, Sweden
Heredity (Edinb) 93:423-33. 2004.... - Diagnosing genetically diverse avian malarial infections using mixed-sequence analysis and TA-cloningJ Pérez-Tris
Department of Animal Ecology, Lund University, Ecology Building, SE 22362 Lund, Sweden
Parasitology 131:15-23. 2005..We discuss the utility of the method, and propose a framework for its use when screening for genetically diverse avian malarial parasites... - Parallelism and historical contingency during rapid ecotype divergence in an isopodF Eroukhmanoff
Section for Animal Ecology, Lund University, Lund, Sweden
J Evol Biol 22:1098-1110. 2009..Phenotype sorting during colonization and strong divergent selection might have contributed to these rapid changes. Consequently, phenotypic divergence was only weakly influenced by historical contingency... - Historical diversification of migration patterns in a passerine birdJavier Pérez-Tris
Department of Animal Ecology, Lund University, Ecology Building, SE 22362 Lund, Sweden
Evolution 58:1819-32. 2004.... - A jack-of-all-trades and still a master of some: prevalence and host range in avian malaria and related blood parasitesOlof Hellgren
Department of Animal Ecology, Ecology Building, Lund University, SE 22362 Lund, Sweden
Ecology 90:2840-9. 2009..Overall, these results show that parasites with the ability to successfully infect a wide variety of host species of broad ancestry also can have the ability to be the most prevalent in single host species... - Estimating heritabilities and genetic correlations: comparing the 'animal model' with parent-offspring regression using data from a natural populationMikael Akesson
Department of Animal Ecology, Lund University, Lund, Sweden
PLoS ONE 3:e1739. 2008..Our conclusions should be valuable for reconciliation of data obtained in earlier studies as well as for future meta-analyses utilizing estimates from both traditional methods and the animal model... - A new PCR assay for simultaneous studies of Leucocytozoon, Plasmodium, and Haemoproteus from avian bloodOlof Hellgren
Department of Animal Ecology, Ecology Building, Lund University, SE 22362 Lund, Sweden
J Parasitol 90:797-802. 2004..Although only a small number of different bird species were investigated (6 passerine species), we found 22 different parasite species lineages (4 Haemoproteus, 8 Plasmodium, and 10 Leucocytozoon)... - A new approach to study dispersal: immigration of novel alleles reveals female-biased dispersal in great reed warblersBengt Hansson
Department of Animal Ecology, Ecology Building, Lund University, Sweden
Mol Ecol 12:631-7. 2003.... - Postglacial colonisation patterns and the role of isolation and expansion in driving diversification in a passerine birdBengt Hansson
Department of Animal Ecology, Lund University, Ecology Building, Lund, Sweden
PLoS ONE 3:e2794. 2008..This is in line with the Pleistocene speciation hypothesis invoking that much longer periods of time in isolation are needed for speciation to occur... - Does linkage disequilibrium generate heterozygosity-fitness correlations in great reed warblers?Bengt Hansson
Department of Animal Ecology, Ecology Building, Lund University, S 223 62 Lund, Sweden
Evolution 58:870-9. 2004..Our present finding of a significant within-family multilocus heterozygosity-survival association in a nonequilibrium population supports the view that LD generates HFCs in natural populations... - Why does dosage compensation differ between XY and ZW taxa?Sara Naurin
Department of Animal Ecology, Ecology Building, Lund University, SE 22362 Lund, Sweden
Trends Genet 26:15-20. 2010..These patterns and processes contrast with those acting on genes on the X chromosome in XY species, and might help explain the discrepancies in the degree of sex-biased gene expression and dosage compensation in XY and ZW systems... - Linkage mapping of AFLP markers in a wild population of great reed warblers: importance of heterozygosity and number of genotyped individualsMikael Akesson
Department of Animal Ecology, Ecology Building, Lund University, S 223 62 Lund, Sweden
Mol Ecol 16:2189-202. 2007..Our results suggest that AFLP provides a fast and inexpensive means of enlarging genetic maps already composed of markers with high polymorphism, also in wild populations with unmanipulated pedigrees... - Lifetime fitness of short- and long-distance dispersing great reed warblersBengt Hansson
Department of Animal Ecology, Ecology Building, Lund University, S 223 62 Lund, Sweden
Evolution 58:2546-57. 2004..Our study highlights the importance of separating immigrant birds on the basis of their genetic similarity to the local study population when analyzing variation in LRS and inferring realized gene flow... - Detecting shifts of transmission areas in avian blood parasites: a phylogenetic approachOlof Hellgren
Department of Animal Ecology, Ecology Building, Lund University, SE 22362 Lund, Sweden
Mol Ecol 16:1281-90. 2007.... - Associations between malaria and MHC genes in a migratory songbirdHelena Westerdahl
Department of Animal Ecology, Lund University, Ecology Building, 223 62 Lund, Sweden
Proc Biol Sci 272:1511-8. 2005..These associations suggest that individuals carrying either a large number of MHC alleles or a specific MHC allele are protected against lethal malaria infections... - Do female great reed warblers seek extra-pair fertilizations to avoid inbreeding?Bengt Hansson
Department of Animal Ecology, Lund University, Ecology Building, S 223 62 Lund, Sweden
Proc Biol Sci 271:S290-2. 2004..Instead, female great reed warblers may seek other potential benefits when cuckolding, such as good gene effects at particular functional genes... - A strong quantitative trait locus for wing length on chromosome 2 in a wild population of great reed warblersMaja Tarka
Section for Animal Ecology, Department of Biology, Lund University, 223 62 Lund, Sweden
Proc Biol Sci 277:2361-9. 2010..Our results provide a first important step into understanding the genetic architecture of avian wing length, and give opportunities to study the evolutionary dynamics of wing length at the locus level... - Genetic diversity patterns in five protist species occurring in lakesRamiro Logares
Limnology Division, Department of Ecology, Lund University, Ecology Building, SE 223 62 Lund, Sweden
Protist 160:301-17. 2009..In addition, our study shows that protists with identical ITS sequences can harbor considerable amounts of genetic diversity... - Genetics of personalities: no simple answers for complex traitsBarbara Tschirren
Department of Animal Ecology, Lund University, Solvegatan 37, S 223 62 Lund, Sweden
Mol Ecol 19:624-6. 2010..2010) attempt to replicate this previously observed association in wild-living birds, and test for the generality of the association between DRD4 and personality across a number of European great tit populations... - Do anthropogenic transports facilitate stored-product pest moth dispersal? A molecular approachCamilla Ryne
Chemical Ecology, Ecology Building, Lund University, Solvegatan 37, SE 223 62 Lund, Sweden
Naturwissenschaften 95:155-9. 2008..e. dispersal) of insect pest populations. Including cooperating mills in control (or monitor) strategy schemes against stored-product pest insects would therefore be a more effective action, rather than to treat each mill separately... - Diversity, distribution and exchange of blood parasites meeting at an avian moving contact zoneJulien Reullier
Laboratoire d'Ecologie Animale, UMR MA 105 Paysages et biodiversit, , , Campus de Belle-Beille, France
Mol Ecol 15:753-63. 2006..Besides, they also support the idea that parasite-mediated competition might contribute to the displacement of hosts' contact zones, thereby emphasizing the role of parasitism on the population dynamics of sympatric species... - Isolation and cross-species amplification of microsatellite loci in the Siberian jay (Perisoreus infaustus)Bo Göran Lillandt
Department of Ecology and Systematics, Zoological Laboratory, University of Helsinki, Finland
Hereditas 137:157-60. 2002 - Spreading introgression in the wake of a moving contact zoneJean Secondi
UMR MA105 Paysages et biodiversité, Université dAngers Belle Beille, 2 Bd Lavoisier, 49045 Angers Cedex, France
Mol Ecol 15:2463-75. 2006..Furthermore, we propose that, when the rarefaction of sexual partners drive the hybridization process, movement could be revealed by introgression peaking on the rear edge of the moving zone, or in its close vicinity... - Global phylogeographic limits of Hawaii's avian malariaJon S Beadell
Genetics Program, National Zoological Park and National Museum of Natural History, Washington, DC 20008, USA
Proc Biol Sci 273:2935-44. 2006..The rarity of this lineage in the continental New World and the restriction of closely related lineages to the Old World suggest limitations to the transmission of reproductively isolated parasite groups within the morphological species... - Nested cytochrome b polymerase chain reaction diagnostics underestimate mixed infections of avian blood haemosporidian parasites: microscopy is still essentialGediminas Valkiunas
Institute of Ecology, Vilnius University, Vilnius 21, LT 08412, Lithuania
J Parasitol 92:418-22. 2006..Specific primers for Haemoproteus spp. and Plasmodium spp. should be developed. Ideally, a combination of the approaches of both microscopy and PCR-based methods is recommended for this purpose... - Vertebrate host specificity of wild-caught blackflies revealed by mitochondrial DNA in bloodBjörn Malmqvist
Department of Ecology and Environmental Science, Umea University, SE 90187 Umea, Sweden
Proc Biol Sci 271:S152-5. 2004..Such information is of vital interest in studies of disease transmission, coevolutionary relationships, population ecology and wildlife management... - Molecular phylogenetic analysis of circumnuclear hemoproteids (Haemosporida: Haemoproteidae) of sylviid birds, with a description of Haemoproteus parabelopolskyi sp. novGediminas Valkiunas
Institute of Ecology, Vilnius University, Akademijos 2, LT 08412 Vilnius, Lithuania
J Parasitol 93:680-7. 2007..This study establishes the value of both PCR and morphology in identification of avian hemoproteids... - Severe inbreeding depression in a wild wolf (Canis lupus) populationOlof Liberg
Grimsö Wildlife Research Station, Department of Conservation Biology, Swedish University of Agricultural Science, SE 73091 Riddarhyttan, Sweden
Biol Lett 1:17-20. 2005..39, p<0.001). This inbreeding depression was recalculated to match standard estimates of lethal equivalents (2B), corresponding to 6.04 (2.58-9.48, 95% CI) litter-size-reducing equivalents in this wolf population... - Speciation by distance in a ring speciesDarren E Irwin
Department of Zoology, University of British Columbia, 6270 University Boulevard, Vancouver, BC, Canada V6T 1Z4
Science 307:414-6. 2005..These findings provide the strongest evidence yet for "speciation by force of distance" in the face of ongoing gene flow... - Linkage between mitochondrial cytochrome b lineages and morphospecies of two avian malaria parasites, with a description of Plasmodium (Novyella) ashfordi sp. novGediminas Valkiunas
Institute of Ecology, Vilnius University, Akademijos 2, Vilnius 21, LT 08412, Lithuania
Parasitol Res 100:1311-22. 2007..Other lineages closely related to P. ashfordi and P. relictum are identified. This study establishes the value of PCR-based identification of avian malaria parasites... - Variation in host specificity between species of avian hemosporidian parasites: evidence from parasite morphology and cytochrome B gene sequencesAsta Krizanauskiene
Institute of Ecology, Vilnius University, Akademijos 2, LT 08412 Vilnius, Lithuania
J Parasitol 92:1319-24. 2006..The natural host range is thus not a reliable taxonomic character in the systematics of these parasites in the form in which it is still accepted in some recent taxonomic studies... - Polymerase chain reaction-based identification of Plasmodium (Huffia) elongatum, with remarks on species identity of haemosporidian lineages deposited in GenBankGediminas Valkiunas
Institute of Ecology, Vilnius University, Akademijos 2, Vilnius LT 08412, Lithuania
Parasitol Res 102:1185-93. 2008..elongatum and P. relictum, respectively. Some other incorrect species identifications of avian haematozoa in GenBank have been identified. We propose a strategy to minimise the number of such mistakes in GenBank in the future... - What are malaria parasites?Javier Pérez-Tris
Trends Parasitol 21:209-11. 2005 - Dynamics of parasitemia of malaria parasites in a naturally and experimentally infected migratory songbird, the great reed warbler Acrocephalus arundinaceusPavel Zehtindjiev
Institute of Zoology, Bulgarian Academy of Sciences, Boulevard, Tzar Osvoboditel 1, 1000 Sofia, Bulgaria
Exp Parasitol 119:99-110. 2008.... - Parasite misidentifications in GenBank: how to minimize their number?Gediminas Valkiunas
Trends Parasitol 24:247-8. 2008