Abstract:
:Conspecific brood parasitism (CBP), females laying eggs in the nest of other 'host' females of the same species, is a common alternative reproductive tactic among birds. For hosts there are likely costs of incubating and rearing foreign offspring, but costs may be low in species with precocial chicks such as waterfowl, among which CBP is common. Waterfowl show strong female natal philopatry, and spatial relatedness among females may influence the evolution of CBP. Here we investigate fine-scale kin structure in a Baltic colony of barnacle geese, Branta leucopsis, estimating female spatial relatedness using protein fingerprints of egg albumen, and testing the performance of this estimator in known mother-daughter pairs. Relatedness was significantly higher between neighbour females (nesting < or = 40 metres from each other) than between females nesting farther apart, but there was no further distance trend in relatedness. This pattern may be explained by earlier observations of females nesting close to their mother or brood sisters, even when far from the birth nest. Hosts and parasites were on average not more closely related than neighbour females. In 25 of 35 sampled parasitized nests, parasitic eggs were laid after the host female finished laying, too late to develop and hatch. Timely parasites, laying eggs in the host's laying sequence, had similar relatedness to hosts as that between neighbours. Females laying late parasitic eggs tended to be less related to the host, but not significantly so. Our results suggest that CBP in barnacle geese might represent different tactical life-history responses.
journal_name
Mol Ecoljournal_title
Molecular ecologyauthors
Anderholm S,Waldeck P,VAN DER Jeugd HP,Marshall RC,Larsson K,Andersson Mdoi
10.1111/j.1365-294X.2009.04397.xsubject
Has Abstractpub_date
2009-12-01 00:00:00pages
4955-63issue
23eissn
0962-1083issn
1365-294Xpii
MEC4397journal_volume
18pub_type
杂志文章abstract::Formation of partially reproductively isolated ecotypes in the rough periwinkle, Littorina saxatilis, may be a case of incipient nonallopatric ecological speciation. To better understand the dynamics of ecotype formation, its timescale, driving forces and evolutionary consequences, we developed a spatially explicit, i...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2009.04320.x
更新日期:2009-10-01 00:00:00
abstract::Investigating complex parasitic life cycles is important for understanding the major fitness components that drive the evolution of host-parasite systems. The rare condition of heterotrophic heteronomy, in which the sexes utilize disparate host taxa, is a poorly understood complex parasitic lifestyle. One of only two ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2011.05010.x
更新日期:2011-04-01 00:00:00
abstract::Phenotypic divergence among natural populations can be explained by natural selection or by neutral processes such as drift. Many examples in the literature compare putatively neutral (FST ) and quantitative genetic (QST ) differentiation in multiple populations to assess their evolutionary signature and identify cand...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.15546
更新日期:2020-08-01 00:00:00
abstract::The mummichog, Fundulus heteroclitus, exhibits extensive latitudinal clinal variation in a number of physiological and biochemical traits, coupled with phylogeographical patterns at mitochondrial and nuclear DNA loci that suggest a complicated history of spatially variable selection and secondary intergradation. This ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2006.02859.x
更新日期:2006-04-01 00:00:00
abstract::Genome divergence is greatly influenced by gene flow during early stages of speciation. As populations differentiate, geographic barriers can constrain gene flow and so affect the dynamics of divergence and speciation. Current geography, specifically disjunction and continuity of ranges, is often used to predict the h...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.14978
更新日期:2019-02-01 00:00:00
abstract::Achieving long-term persistence of species in urbanized landscapes requires characterizing population genetic structure to understand and manage the effects of anthropogenic disturbance on connectivity. Urbanization over the past century in coastal southern California has caused both precipitous loss of coastal sage s...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.13176
更新日期:2015-05-01 00:00:00
abstract::A phylogeny of mainland eastern Australian scrubwrens (Sericornis citreogularis, S. frontalis, S. keri, S. magnirostris and S. beccarii) was constructed using presence or absence of phylogenetically informative restriction sites in 15 mitochondrial DNA (mtDNA) haplotypes. MtDNA sequence divergences between species wer...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294x.1993.tb00105.x
更新日期:1993-06-01 00:00:00
abstract::In theory, conservation genetics predicts that forest fragmentation will reduce gene dispersal, but in practice, genetic and ecological processes are also dependent on other population characteristics. We used Bayesian genetic analyses to characterize parentage and propagule dispersal in Heliconia acuminata L. C. Rich...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.12495
更新日期:2013-11-01 00:00:00
abstract::Mitochondrial DNA control region sequences and seven microsatellites were used to estimate the genetic structuring, evolutionary history and historic migration patterns of the kob antelope (Kobus kob). Ten populations were analysed, representing the three recognized K. kob subspecies: K. k. kob in west Africa, K. k. t...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2007.03382.x
更新日期:2007-08-01 00:00:00
abstract::The taxonomic status of brown bears in the Caucasus remains unclear. Several morphs or subspecies have been identified from the morphological (craniological) data, but the status of each of these subspecies has never been verified by molecular genetic methods. We analysed mitochondrial DNA sequences (control region) t...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2010.04610.x
更新日期:2010-05-01 00:00:00
abstract::High-throughput sequencing approaches have enabled characterizations of the community composition of numerous gut microbial communities, which in turn has enhanced interest in their diversity and functional relationships in different groups of vertebrates. Although fishes represent the greatest taxonomic and ecologica...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.12699
更新日期:2014-04-01 00:00:00
abstract::Spatial discordance between primary and effective dispersal in plant populations indicates that postdispersal processes erase the seed rain signal in recruitment patterns. Five different models were used to test the spatial concordance of the primary and effective dispersal patterns in a European beech (Fagus sylvatic...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.12200
更新日期:2013-03-01 00:00:00
abstract::Inferences regarding hybridization rely on genetic markers to differentiate parental taxa from one another. Intersimple sequence repeat (ISSR) markers are based on single-primer PCR reactions where the primer sequence is derived from di- and trinucleotide repeats. These markers have successfully been used to assay gen...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1046/j.1365-294x.1998.00425.x
更新日期:1998-09-01 00:00:00
abstract::Interacting species of pollinator-host systems, especially the obligate ones, are sensitive to habitat fragmentation, due to the nature of mutual dependence. Comparative studies of genetic structure can provide insights into how habitat fragmentation contributes to patterns of genetic divergence among populations of t...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.12406
更新日期:2013-09-01 00:00:00
abstract::Populations residing near species' low-latitude range margins (LLMs) often occur in warmer and drier environments than those in the core range. Thus, their genetic composition could be shaped by climatic drivers that differ from those occurring at higher latitudes, resulting in potentially adaptive variants of conserv...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.15492
更新日期:2020-07-01 00:00:00
abstract::Genetic rescue is an increasingly considered conservation measure to address genetic erosion associated with habitat loss and fragmentation. The resulting gene flow from facilitating migration may improve fitness and adaptive potential, but is not without risks (e.g., outbreeding depression). Here, we conducted a test...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.14225
更新日期:2017-09-01 00:00:00
abstract::The whitefly Bemisia tabaci (Hemiptera: Aleyrodidae) is a worldwide pest and a vector of numerous plant viruses. B. tabaci is composed of dozens of morphologically indistinguishable biotypes and its taxonomic status is still controversial. This phloem-feeder harbours the primary symbiont Portiera aleyrodidarum and pot...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2011.05087.x
更新日期:2011-05-01 00:00:00
abstract::Many species of malaria and related haemosporidian parasites (Haemosporida) are responsible for diseases in wild and domestic animals. These pathogens are exclusively transmitted by blood-sucking dipteran insects (Diptera). Traditional vector studies, which are based mainly on experimental infection and subsequent dis...
journal_title:Molecular ecology
pub_type: 评论,杂志文章
doi:10.1111/j.1365-294x.2011.05187.x
更新日期:2011-08-01 00:00:00
abstract::Oceanic islands have been a test ground for evolutionary theory, but here, we focus on the possibilities for evolutionary study created by offshore islands. These can be colonized through various means and by a wide range of species, including those with low dispersal capabilities. We use morphology, modern and ancien...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.12462
更新日期:2013-10-01 00:00:00
abstract::Large-scale anthropogenic changes in the environment are reshaping global biodiversity and the evolutionary trajectory of many species. Evolutionary mechanisms that allow organisms to thrive in this rapidly changing environment are just beginning to be investigated (Hoffmann & Sgrò 2011; Colautti & Barrett 2013). Weed...
journal_title:Molecular ecology
pub_type: 评论,杂志文章
doi:10.1111/mec.12717
更新日期:2014-05-01 00:00:00
abstract::New technologies promise to revolutionize the field of molecular ecology. This technological progress comes with its own set of challenges. Among the most important ones is the analysis and interpretation of the data in a way that tells us about the molecular causes of the phenotype of interest and its consequences. I...
journal_title:Molecular ecology
pub_type: 评论,杂志文章
doi:10.1111/j.1365-294X.2010.04830.x
更新日期:2010-12-01 00:00:00
abstract::The primary goal of captive breeding programmes for endangered species is to prevent extinction, a component of which includes the preservation of genetic diversity and avoidance of inbreeding. This is typically accomplished by minimizing mean kinship in the population, thereby maintaining equal representation of the ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.12482
更新日期:2013-11-01 00:00:00
abstract::Gammarus minus is an important component of surface spring and cave ecosystems throughout Appalachia, and is a useful indicator of the hydrology and gene flow in freshwater communities. Gammarus minus populations occupying large cave passages (> 2 km) are usually troglomorphic, having reduced eyes, fewer ommatidia, la...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294x.2009.04161.x
更新日期:2009-05-01 00:00:00
abstract::We investigated genetic variation in asexual polyploid members of the water flea Daphnia pulex complex from a set of 12 Bolivian high-altitude lakes. We used nuclear microsatellite markers to study genetic relationships among all encountered multilocus genotypes, and combined this with a phylogenetic approach using DN...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2007.03679.x
更新日期:2008-04-01 00:00:00
abstract::Local adaptation, defined as higher fitness of local vs. nonlocal genotypes, is commonly identified in reciprocal transplant experiments. Reciprocally adapted populations display fitness trade-offs across environments, but little is known about the traits and genes underlying fitness trade-offs in reciprocally adapted...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.12862
更新日期:2014-09-01 00:00:00
abstract::In certain cases, a species may have access to important genetic variation present in a related species via adaptive introgression. These novel alleles may interact with their new genetic background, resulting in unexpected phenotypes. In this study, we describe a selective sweep on standing variation on the X chromos...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.13382
更新日期:2015-10-01 00:00:00
abstract::Marine metapopulations often exhibit subtle population structure that can be difficult to detect. Given recent advances in high-throughput sequencing, an emerging question is whether various genotyping approaches, in concert with improved sampling designs, will substantially improve our understanding of genetic struct...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.15405
更新日期:2020-06-01 00:00:00
abstract::As part of a Global Biodiversity Hotspot, the conservation of Sri Lanka's endemic biodiversity warrants special attention. With 51 species (50 of them endemic) occurring in the island, the biodiversity of freshwater crabs is unusually high for such a small area (65,600 km(2)). Freshwater crabs have successfully coloni...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2009.04439.x
更新日期:2010-01-01 00:00:00
abstract::In a study of genetic polymorphism in the gypsy moth Lymantria dispar we observed the aberrant inheritance of a random amplified polymorphic DNA (RAPD) fragment designated H11-589. This fragment was present in amplification products of F1 progeny of different crosses although it was not amplified from either parental ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1046/j.1365-294x.1999.00714.x
更新日期:1999-09-01 00:00:00
abstract::Amphibians are a globally distributed and diverse lineage, but much of our current understanding of their population genetic structure comes from studies in mesic temperate habitats. We characterize the population genetic structure of two sympatric explosive breeding amphibians in the southwestern deserts of the Unite...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2009.04273.x
更新日期:2009-08-01 00:00:00