SwePub - sökning: WFRF:(Pamilo P)

Numrering	Referens	Omslagsbild	Hitta
1.	Pamilo, P, et al. (författare) Molecular population genetics of social insects 1997 Ingår i: ANNUAL REVIEW OF ECOLOGY AND SYSTEMATICS. - : ANNUAL REVIEWS INC. ; 28, s. 1-25 Recension (övrigt vetenskapligt/konstnärligt)abstract The life of social insects centers around sedentary colonies that can include individuals belonging to different patrilines or matrilines, with a turnover of reproductives. The colony is a scene for both cooperation and conflicts, and the conceptual frame
2.	Beye, M, et al. (författare) Nestmate recognition and the genetic relatedness of nests in the ant Formica pratensis 1998 Ingår i: BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY. - : SPRINGER VERLAG. - 0340-5443. ; 43:1, s. 67-72 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract Genetic relatedness of the mound-building ant Formica pratensis was determined by means of microsatellite DNA polymorphism, and its impact on nestmate recognition was tested in a population in Southern Sweden (Oeland), Recognition between nests was measur
3.	Fernandez-Escudero, I, et al. (författare) Dependent colony founding in the ant Proformica longiseta 2001 Ingår i: INSECTES SOCIAUX. - : BIRKHAUSER VERLAG AG. - 0020-1812. ; 48:1, s. 80-82 Tidskriftsartikel (refereegranskat)abstract In polygynous ants, queens often found new nests dependently by budding, where one or more queens leave the old nest with some workers and establish a new one. Even though budding is assumed to be relatively common in polygynous ants, it has rarely been d
4.	Fernandez-Escudero, I, Pamilo, P, Seppä, P (författare) Biased sperm use by polyandrous queens of the ant Proformica longiseta. 2002 Ingår i: Behavioral Ecology and Sociobiology. ; 51, s. 207-213 Tidskriftsartikel (refereegranskat)
5.	GERTSCH, P, et al. (författare) MICROSATELLITES REVEAL HIGH GENETIC DIVERSITY WITHIN COLONIES OF CAMPONOTUS ANTS 1995 Ingår i: MOLECULAR ECOLOGY. - : BLACKWELL SCIENCE LTD. ; 4:2 Annan publikation (övrigt vetenskapligt/konstnärligt)abstract In order to characterize the sociogenetic structure of colonies in the carpenter ants Camponotus herculeanus and C. ligniperda, we have developed microsatellite markers. The three loci studied were either fixed for different alleles in the two species or
6.	Gyllenstrand, N, et al. (författare) Restricted gene flow between two social forms in the ant Formica truncorum. 2005 Ingår i: J Evol Biol. - 1010-061X. ; 18:4, s. 978-84 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
7.	Pamilo, P, et al. (författare) Pheromonal and enzyme genetic characteristics of the Bombus lucorum species complex in northern Europe 1997 Ingår i: ENTOMOLOGICA FENNICA. - : ENTOMOLOGICA FENNICA. - 0785-8760. ; 7:4, s. 187-194 Tidskriftsartikel (refereegranskat)abstract Spatial and temporal distribution of the species in the Bombus lucorum species complex, B. lucorum (L.), B. cryptarum (Fabricius) and B. magnus Vogt, were studied in Finland. Morphological distinction between the species is not as clear as in Central Euro
8.	Pirk, CWW, et al. (författare) Intranest relatedness and nestmate recognition in the meadow ant Formica pratensis (R.) 2001 Ingår i: BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY. ; 49:5, s. 366-374 Tidskriftsartikel (refereegranskat)
9.	SEPPA, P, et al. (författare) GENE FLOW AND POPULATION VISCOSITY IN MYRMICA ANTS 1995 Ingår i: HEREDITY. - : BLACKWELL SCIENCE LTD. - 0018-067X. ; 74, s. 200-209 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract The amount of gene flow and population viscosity were studied in two red ant species, Myrmica ruginodis and M. rubra. Differentiation between populations at the local scale (within the dispersal distance of individuals) and between localities further apar
10.	Seppa, P., et al. (författare) Mosaic structure of native ant supercolonies 2012 Ingår i: Molecular Ecology. - : Wiley. - 0962-1083 .- 1365-294X. ; 21:23, s. 5880-5891 Tidskriftsartikel (refereegranskat)abstract According to the inclusive fitness theory, some degree of positive relatedness is required for the evolution and maintenance of altruism. However, ant colonies are sometimes large interconnected networks of nests, which are genetically homogenous entities, causing a putative problem for the theory. We studied spatial structure and genetic relatedness in two supercolonies of the ant Formica exsecta, using nuclear and mitochondrial markers. We show that there may be multiple pathways to supercolonial social organization leading to different spatial genetic structures. One supercolony formed a genetically homogenous population dominated by a single mtDNA haplotype, as expected if founded by a small number of colonizers, followed by nest propagation by budding and domination of the habitat patch. The other supercolony had several haplotypes, and the spatial genetic structure was a mosaic of nuclear and mitochondrial clusters. Genetic diversity probably originated from long-range dispersal, and the mosaic population structure is likely a result of stochastic short-range dispersal of individuals. Such a mosaic spatial structure is apparently discordant with the current knowledge about the integrity of ant colonies. Relatedness was low in both populations when estimated among nestmates, but increased significantly when estimated among individuals sharing the same genetic cluster or haplogroup. The latter association indicates the important historical role of queen dispersal in the determination of the spatial genetic structure.
11.	Beresford, J., et al. (författare) Widespread hybridization within mound-building wood ants in Southern Finland results in cytonuclear mismatches and potential for sex-specific hybrid breakdown 2017 Ingår i: Molecular Ecology. - : Wiley. - 0962-1083. ; 26:15, s. 4013-4026 Tidskriftsartikel (refereegranskat)abstract Hybridization and gene flow between diverging lineages are increasingly recognized as common evolutionary processes, and their consequences can vary from hybrid breakdown to adaptive introgression. We have previously found a population of wood ant hybrids between Formica aquilonia and F. polyctena that shows antagonistic effects of hybridization: females with introgressed alleles show hybrid vigour, whereas males with the same alleles show hybrid breakdown. Here, we investigate whether hybridization is a general phenomenon in this species pair and analyse 647 worker samples from 16 localities in Finland using microsatellite markers and a 1200-bp mitochondrial sequence. Our results show that 27 sampled nests contained parental-like gene pools (six putative F. polyctena and 21 putative F. aquilonia) and all remaining nests (69), from nine localities, contained hybrids of varying degrees. Patterns of genetic variation suggest these hybrids arise from everal hybridization events or, instead, have backcrossed to the parental gene pools to varying extents. In contrast to expectations, the mitochondrial haplotypes of the parental species were not randomly distributed among the hybrids. Instead, nests that were closer to parental-like F. aquilonia for nuclear markers preferentially had F. polyctena's mitochondria and vice versa. This systematic pattern suggests there may be underlying selection favouring cytonuclear mismatch and hybridization. We also found a new hybrid locality with strong genetic differences between the sexes similar to those predicted under antagonistic selection on male and female hybrids. Further studies are needed to determine the selective forces that act on male and female genomes in these newly discovered hybrids.
12.	Berg, LM, et al. (författare) The infinite island model with sex-differentiated gene flow 1998 Ingår i: HEREDITY. - 0018-067X. ; 81, s. 63-68 Tidskriftsartikel (refereegranskat)abstract Identity measures are derived for the infinite island model with separate sexes and sex-differentiated contribution to gene flow. The concept of effective migration rate, m(e), is introduced, which describes the genetically effective flow when sexes migra
13.	Crozier, RH, et al. (författare) Evolution of socialinsect colonies 1996 Bok (refereegranskat)
14.	Crozier, RH, et al. (författare) Sympatric speciation - One into two will go 1996 Ingår i: NATURE. - : MACMILLAN MAGAZINES LTD. ; 383:6601 Annan publikation (övrigt vetenskapligt/konstnärligt)
15.	Gadau, J, et al. (författare) Oligogyny by unrelated queens in the carpenter ant, Camponotus ligniperdus 1998 Ingår i: BEHAVIORAL ECOLOGY AND SOCIOBIOLOGY. - : SPRINGER VERLAG. - 0340-5443. ; 44:1, s. 23-33 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract Multilocus DNA fingerprinting and microsatellite analysis were used to determine the number of queens and their mating frequencies in colonies of the carpenter ant, Camponotus ligniperdus (Hymenoptera: Formicidae). Only 1 of 61 analyzed queens was found t
16.	Gyllenstrand, Niclas, et al. (författare) Polymorphic microsatellite DNA markers in the ant Formica exsecta 2002 Ingår i: Molecular Ecology Notes. ; 2, s. 67-69 Tidskriftsartikel (refereegranskat)
17.	Leskinen, E, et al. (författare) Evolution of the ITS sequences of ribosomal DNA in Enteromorpha (Chlorophyceae) 1997 Ingår i: HEREDITAS. - : HEREDITAS-DISTRIBUTION. - 0018-0661. ; 126:1, s. 17-23 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract Ribosomal DNA (rDNA) region, including the 3' end of the 18S rRNA gene, the entire 5.8S rRNA gene, the 5' end of the 28S rRNA gene, and the internal transcribed spacers ITS 1 and ITS 2, of Enteromorpha green algae from the Baltic Sea, were sequenced. The
18.	Lindstrom, K, et al. (författare) Variation of colony types in the ant Formica cinerea 1996 Ingår i: INSECTES SOCIAUX. - : BIRKHAUSER VERLAG AG. - 0020-1812. ; 43:3, s. 329-332 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract Formica cinerea is a rare ant species in northern Europe where it occurs in few isolated populations. Estimates of genetic relatedness among worker nestmates revealed very different colonial structures. Relatedness was g = 0.81 in one population, and g =
19.	Palsson, S, et al. (författare) The effects of deleterious mutations on linked, neutral variation in small populations 1999 Ingår i: GENETICS. - : GENETICS. - 0016-6731. ; 153:1, s. 475-483 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract The effects of recessive, deleterious mutations on genetic variation at linked neutral loci can be heterozygosity-decreasing because of reduced effective population sizes or heterozygosity) -increasing because of associative overdominance. Here we examine
20.	Pamilo, P, et al. (författare) Associative overdominance, heterozygosity and fitness 1998 Ingår i: HEREDITY. - : BLACKWELL SCIENCE LTD. - 0018-067X. ; 81, s. 381-389 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract Our aim in this study was to examine the power of associative overdominance in creating a correlation between individual heterozygosity and fitness and in maintaining genetic polymorphism at neutral loci. This was undertaken by simulating a diploid model
21.	Pamilo, P, et al. (författare) Conservation genetics - Conceptual issues and meta-analysis - Conservation units and translocations for management - Analyses of structured populations - Inbreeding in the wild and in captivity - Introduction 1999 Ingår i: HEREDITAS. - : HEREDITAS-DISTRIBUTION. ; 130:3 Annan publikation (övrigt vetenskapligt/konstnärligt)
22.	Pamilo, P, et al. (författare) Deleterious mutations can reduce differentiation in small, subdivided populations 1999 Ingår i: HEREDITAS. - : HEREDITAS-DISTRIBUTION. - 0018-0661. ; 130:3, s. 257-264 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract We study the effects of multilocus selection on genetic differentiation at linked neutral loci by using computer simulations. Two types of selection are examined, purifying selection against deleterious mutations and stabilizing selection at a quantitativ
23.	Pamilo, P, et al. (författare) Evolution of the Sry genes 1997 Ingår i: MOLECULAR BIOLOGY AND EVOLUTION. - : SOC MOLECULAR BIOLOGY EVOLUTION. - 0737-4038. ; 14:1, s. 49-55 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract Existing DNA sequence data on the Sry gene, the mammalian sex-determining locus in the Y chromosome, were analyzed for primates, rodents, and bovids. In all three taxonomic groups, the terminal sequences evolved faster than the HMG (high mobility group) b
24.	Pamilo, Pekka, et al. (författare) Genetic patchwork of network-building wood ant populations. 2005 Ingår i: ANNALES ZOOLOGICI FENNICI. ; 42, s. 179-187 Tidskriftsartikel (populärvet., debatt m.m.)
25.	Pamilo, P, et al. (författare) Post-glacial colonization, drift, local selection and conservation value of populations: a northern perspective 1999 Ingår i: HEREDITAS. - : HEREDITAS-DISTRIBUTION. - 0018-0661. ; 130:3, s. 229-238 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract Many boreal species have wide geographical distribution, the populations are evolutionarily young, and the species diversity generally decreases with the latitude. Therefore the intraspecific genetic diversity gets a high relative value as an important co
26.	Pamilo, P, et al. (författare) Reproductive skew simplified 1996 Ingår i: OIKOS. - : MUNKSGAARD INT PUBL LTD. - 0030-1299. ; 75:3, s. 533-535 Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
27.	Paxton, RJ, et al. (författare) Mating structure and nestmate relatedness in a communal bee, Andrena jacobi (Hymenoptera, Andrenidae), using microsatellites 1996 Ingår i: MOLECULAR ECOLOGY. - : BLACKWELL SCIENCE LTD. - 0962-1083. ; 5:4, s. 511-519 Tidskriftsartikel (refereegranskat)abstract Complex eusocial insect societies are generally matrifilial, suggesting kin selection has been of importance in their development. For simpler social systems, factors favouring their existence, in particular kin selection, have rarely been studied. Commun
28.	ZhaoZM,, et al. (författare) Worlwide DNA sequence variation in a 10-kilobase noncoding region on human chromosome 22 2000 Ingår i: PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. ; 97:21, s. 11354-11358 Tidskriftsartikel (refereegranskat)
29.	Zhu, DQ, Chapuisat, M, Pamilo, P (författare) Highly variable social organization of colonies in the ant Formica cinerea. 2003 Ingår i: Hereditas. Tidskriftsartikel (refereegranskat)

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