Haemosporidian Blood Parasites in European Birds of Prey and Owls (2008)
O. Krone, J. Waldenström, G. Valkiūnas, O. Lessow, K. Müller, T. A. Iezhova, ...
Avian blood parasites have been intensively studied using morphological methods with limited information on their host specificity and species taxonomic status. Now the analysis of gene sequences,...
Haemosporidian Blood Parasites in European Birds of Prey and Owls (2008)
O. Krone, J. Waldenström, G. Valkiūnas, O. Lessow, K. Müller, T. A. Iezhova, ...
Avian blood parasites have been intensively studied using morphological methods with limited information on their host specificity and species taxonomic status. Now the analysis of gene sequences,...
Temporal dynamics and diversity of avian malaria parasites in a single host species (2007)
Bensch, S, Waldenström, J, Jonzen, N, Westerdahl, H, Hansson, B, Sejberg, D, ...
We have used molecular methods to unravel a remarkable diversity of parasite lineages in a long-term population study of great reed warblers Acrocephalus arundinaceus that was not foreseen from...
Detecting shifts of transmission areas in avian blood parasites - a phylogenetic approach (2007)
Hellgren, O, Waldenström, J, Perez-Tris, J, Ösi, ES, Hasselquist, D, Krizanauskiene, A, ...
We investigated the degree of geographical shifts of transmission areas of vector-borne avian blood parasites (Plasmodium, Haemoproteus and Leucocytozoon) over ecological and evolutionary timescales....
Species diversity of campylobacteria in a wild bird community in Sweden (2007)
Waldenström, J, On, SLW, Ottvall, R, Hasselquist, D, Olsen, B
To analyse the occurrence and host species distribution of campylobacteria species in shorebirds, geese and cattle on grazed coastal meadows in Sweden. Species identification was performed through a...
Global patterns of influenza A virus in wild birds (2006)
Olsen, B, Munster, VJ, Wallensten, A, Waldenström, J, Osterhaus, ADME, Fouchier, RAM
The outbreak of highly pathogenic avian influenza of the H5N1 subtype in Asia, which has subsequently spread to Russia, the Middle East, Europe, and Africa, has put increased focus on the role of...
Rapid advance of spring arrival dates in long-distance migratory birds (2006)
Jonzen, N, Linden, A, Ergon, T, Knudsen, E, Vik, JO, Rubolini, D, ...
Several bird species have advanced the timing of their spring migration in response to recent climate change. European short-distance migrants, wintering in temperate areas, have been assumed to be...
Wallensten, A, Munster, VJ, Osterhaus, ADME, Waldenström, J, Bonnedahl, J, Broman, T, ...
Penguin blood samples collected at Bird Island, sub-Antarctic South Georgia, and faecal samples taken from penguins at several localities along the Antarctic Peninsula were analysed in order to...
Autumn migration of some passerines on the island of Capri, southwestern Italy. (2006)
Waldenström, J, Hjort, C, Andersson, A
This paper presents and analyses autumn migration data on phenology and biometrics for 12 species of birds trapped at the Capri Bird Observatory, south-western Italy. The material has been collected...
Jonzen, N, Piacentini, D, Andersson, A, Montemaggiori, A, Stervander, M, Rubolini, D, ...
Some migratory birds have advanced their spring arrival to Northern Europe, possibly by increasing the speed of migration through Europe in response to increased temperature en route. In this paper...
Differentiation and phylogeny of the olivaceous warbler Hippolais pallida species complex (2005)
Ottosson, U, Bensch, S, Svensson, L, Waldenström, J
The pattern of phenotypic and molecular variation within the polytypic olivaceous warbler H. pallida was examined. This species is distributed in the southern parts of the western Palaearctic,...
What are malaria parasites? (2005)
Perez-Tris, J, Hasselquist, D, Hellgren, O, Krizanauskiene, A, Waldenström, J, Bensch, S
Abstract is not available
Associations between malaria and MHC genes in a migratory songbird (2005)
Westerdahl, H, Waldenström, J, Hansson, B, Hasselquist, D, Von Schantz, T, Bensch, S
Malaria parasites are a widespread and species-rich group infecting many wild populations of mammals, birds and reptiles. Studies on humans have demonstrated that genetic factors play a key role in...
J. Waldenström, S. Bensch, D. Hasselquist, Ö. Östman
Recently, several polymerase chain reaction (PCR)–based methods for detection and genetic identification of haemosporidian parasites in avian blood have been developed. Most of these have...
Palmgren, H, Broman, T, Waldenström, J, Lindberg, P, Aspan, A, Olsen, B
Rare species with small population sizes are vulnerable to perturbations such as disease, inbreeding, or random events. The threat arising from microbial pathogens could be large and other species...
Hellgren, O, Waldenström, J, Bensch, S
Many bird species host several lineages of apicomplexan blood parasites (Protista spp., Haemosporida spp.), some of which are shared across different host species. To understand such complex systems,...
Bensch, S, Perez-Tris, J, Waldenström, J, Hellgren, O
Analyses of mitochondrial cytochrome b diversity among avian blood parasites of the genera Haemoproteus and Plasmodium suggest that there might be as many lineages of parasites as there are species...
Waldenström, J, Bensch, S, Hasselquist, D, Östman, Ö
\Recently, several polymerase chain reaction (PCR)-based methods for detection and genetic identification of haemosporidian parasites in avian blood have been developed. Most of these have...
Broman, T, Waldenström, J, Dahlgren, D, Carlsson, I, Eliasson, I, Olsen, B
Aims: To genetically sub-type Campylobacter jejuni strains isolated from migratory birds, and to compare these with clinical strains collected in the same area and corresponding time period, with the...
Waldenström, J., Rhönnstad, P., Hasselquist, D.
We performed a detailed census of the breeding population of Barred Warblers Sylvia nisoria in the Ottenby area on the southernmost part of the island Oland, SE Sweden, in the years 1999 and 2000....
Waldenström, J, On, SLW, Ottvall, R, Hasselquist, D, Harrington, CS, Olsen, B
A polyphasic identification approach was used to investigate the taxonomic position of Campylobacter-like isolates recovered from barnacle geese (Branta leucopsis) and Canada geese (Branta...
Niskanen, T, Waldenström, J, Fredriksson-Ahomaa, M, Olsen, B, Korkeala, H
During spring and autumn migrations, 468 fecal samples from 57 different species of migratory birds were collected in Sweden. In total, Yersinia spp. were isolated from 12.8% of collected samples....
Salmonella in birds migrating through Sweden (2003)
Hernandez, J, Bonnedahl, J, Waldenström, J, Palmgren, H, Olsen, B
Abstract is not available
Population dynamics of the Swedish Ornithological Society. (2003)
Jonzen, N, Waldenström, J, Svensson, S
It has recently been recognized that there is declining interest in ornithology among the younger generations. In this paper we analyse the short and long-term dynamics of the Swedish Ornithological...
Broad-billed sandpiper's migration in Ottenby - mapping a secretive species. (2003)
Abstract is not available
Niskanen, T., Waldenström, J., Fredriksson-Ahomaa, M., Olsen, B., Korkeala, H.
During spring and autumn migrations, 468 fecal samples from 57 different species of migratory birds were collected in Sweden. In total, Yersinia spp. were isolated from 12.8% of collected samples....
Cross-species infection of blood parasites between resident and migratory songbirds in Africa (2002)
Waldenström, J., Bensch, S., Kiboi, S., Hasselquist, D., Ottosson, U.
We studied the phylogeny of avian haemosporidian parasites, Haemoproteus and Plasmodium, in a number of African resident and European migratory songbird species sampled during spring and autumn in...
The Broad-billed Sandpiper Limicola f. falcinellus is a little studied European wader species with unfavourable conservation status. We describe the migration of the Broad-billed Sandpiper at...
Broman, T., Palmgren, H., Bergström, S., Sellin, M., Waldenström, J., ...
Campylobacteriosis is a zoonotic disease in which birds have been suggested to play an important role as a reservoir. We investigated the prevalence of Campylobacter jejuni subsp. jejuni in...
Broman, T., Palmgren, H., Bergström, S., Sellin, M., Waldenström, J., ...
Campylobacteriosis is a zoonotic disease in which birds have been suggested to play an important role as a reservoir. We investigated the prevalence of Campylobacter jejuni subsp. jejuni in...
Three Swedish families with porphyria variegata.
Hamnström, B, Haeger-Aronsen, B, Waldenström, J, Hysing, B, Molander, J
Correlation between enzymatic estimation of infarct size and early mortality rate.
Herlitz, J, Hjalmarson, A, Waldenström, J, Swedberg, K, Waagstein, F, Waldenström, A
In 585 patients with a first acute myocardial infarction the maximum activity of heat stable lactate dehydrogenase (EC 1.1.1.27) was correlated with mortality at three months. The patients...
Immunochemical quantitative determinations of both serum and urine free light chains were carried out in seventy-five subjects with a serum M-component.
Serological activity in myeloma type globulins
Zettervall, O., Sjöquist, J., Waldenström, J., Winblad, S.
The relation between the M-component (`paraprotein') and the maximal antistreptolysin-O (AST) activity is studied in the sera from two patients, one with unequivocal and one with probable myeloma....