Abstract:
:Few studies have investigated the genetic structure of both host and parasite populations at a level of populations and at a level of individuals. We investigated the genetic structure of the urban cockroach Blattella germanica and its oxyuroid parasite Blatticola blattae. Random amplified polymorphic DNA (RAPD) markers were used to quantify genetic diversity between and within four populations (from two cities in France) of the host and its parasite. Diversity based on phenotypic frequencies was calculated for each RAPD marker using Shannon-Wiener's index. We used multivariate analyses to test the significance of genetic differentiation between host and parasite populations. Analysis of molecular variance was also used. Both methods gave similar results. Diversity between pairs of individuals was estimated by Nei & Li's index. Genetic diversity was higher within host or parasite populations (80% and 82%, respectively, of explained diversity) than between host or parasite populations (20% and 18%, respectively, explained diversity). The genetic distances between pairs of parasite populations (or individuals) were not correlated with the genetic distances between the corresponding pairs of host populations (or individuals).
journal_name
Mol Ecoljournal_title
Molecular ecologyauthors
Jobet E,Durand P,Langand J,Müller-Graf CD,Hugot JP,Bougnoux ME,Rivault C,Cloarec A,Morand Sdoi
10.1046/j.1365-294x.2000.00880.xsubject
Has Abstractpub_date
2000-04-01 00:00:00pages
481-6issue
4eissn
0962-1083issn
1365-294Xpii
mec880journal_volume
9pub_type
杂志文章abstract::We investigated the genetic structure and variation of 21 populations of cattle (Bos taurus) in northern Eurasia and the neighbouring Near Eastern regions of the Balkan, the Caucasus and Ukraine employing 30 microsatellite markers. By analyses of population relationships, as well as by a Bayesian-based clustering appr...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2007.03437.x
更新日期:2007-09-01 00:00:00
abstract::Tropical rainforest trees typically occur in low population densities and rely on animals for cross-pollination. It is of conservation interest therefore to understand how rainforest fragmentation may alter the pollination and breeding structure of remnant trees. Previous studies of the Amazonian tree Dinizia excelsa ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1046/j.1365-294x.2003.01760.x
更新日期:2003-03-01 00:00:00
abstract::Antarctic ecosystems are dominated by micro-organisms, and viruses play particularly important roles in the food webs. Since the first report in 2009 (López-Bueno et al. ), 'omic'-based studies have greatly enlightened our understanding of Antarctic aquatic microbial diversity and ecosystem function (Wilkins et al. ; ...
journal_title:Molecular ecology
pub_type: 评论,杂志文章
doi:10.1111/mec.13387
更新日期:2015-10-01 00:00:00
abstract::The formation of stable genetic boundaries between emerging species is often diagnosed by reduced hybrid fitness relative to parental taxa. This reduced fitness can arise from endogenous and/or exogenous barriers to gene flow. Although detecting exogenous barriers in nature is difficult, we can estimate the role of ec...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.12671
更新日期:2014-03-01 00:00:00
abstract::Crop-wild hybridization has been documented in many cultivated species, but the ecological and genetic factors that influence the likelihood or rate that cultivar alleles will introgress into wild populations are poorly understood. Seed predation is one factor that could mitigate the spread of otherwise advantageous c...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2010.04740.x
更新日期:2010-08-01 00:00:00
abstract::Osmoregulation is a vital physiological function for fish, as it helps maintain a stable intracellular concentration of ions in environments of variable salinities. We focused on a primarily freshwater species, the European whitefish (Coregonus lavaretus), to investigate the molecular mechanisms underlying salinity to...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2012.05553.x
更新日期:2012-07-01 00:00:00
abstract::A Two endemic groundwater arthropod crustacean species, Crangonyx islandicus and Crymostygius thingvallensis, were recently discovered on the mid-Atlantic volcanic island of Iceland. The extent of morphological differences from closest relatives, endemism, along with the geographic isolation of Iceland and its complet...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2010.04663.x
更新日期:2010-06-01 00:00:00
abstract::Mapping the genes responsible for natural variation and divergence is a challenging task. Many studies have mapped genes to genomic regions or generated lists of candidates, but few studies have implicated specific genes with a high standard of evidence. I propose that combining recent advances in genomic engineering ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.12719
更新日期:2014-05-01 00:00:00
abstract::Arbuscular mycorrhizal fungi (AMF) form a mutualistic symbiosis with plant roots and are found in most ecosystems. In this study the community structure of AMF in a clade of the genus Glomus was examined in undisturbed costal grassland using LSU rDNA sequences amplified from roots of Hieracium pilosella. Roots were sa...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2004.02295.x
更新日期:2004-10-01 00:00:00
abstract::Recent studies found fish egg-specific bacterial communities that changed over the course of embryogenesis, suggesting an interaction between the developing host and its microbiota. Indeed, single-strain infections demonstrated that the virulence of opportunistic bacteria is influenced by environmental factors and hos...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.13798
更新日期:2016-10-01 00:00:00
abstract::We used a comparative phylogeographical approach to investigate the origins of the disjunct wet forest biota of the Golfo Dulce region along the Pacific slope of Costa Rica. This region is isolated by Pacific dry forests north and south and isolated from Caribbean wet forests by mountains. We studied three sympatric l...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2007.03524.x
更新日期:2007-11-01 00:00:00
abstract::Knowledge of the role of landscapes in shaping genetic connectivity and divergence is essential for understanding patterns of biogeography and diversity. This is particularly relevant for the Andes region, a major biodiversity hotspot of relatively recent origin. We examined the phylogeography and landscape genetics o...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294x.2008.03853.x
更新日期:2008-08-01 00:00:00
abstract::The repeated evolution of similar phenotypes by similar mechanisms can be indicative of local adaptation, constraints or biases in the evolutionary process. Little is known about the incidence of physiological convergence in natural populations, so here we test whether energy metabolism in 'dwarf' and 'normal' Lake Wh...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.13847
更新日期:2017-01-01 00:00:00
abstract::Agroforestry ecosystems may be an important resource for conservation and sustainable use of tropical trees, but little is known of the genetic diversity they contain. Inga edulis, a widespread indigenous fruit tree in South America, is used as a model to assess the maintenance of genetic diversity in five planted vs....
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2005.02431.x
更新日期:2005-02-01 00:00:00
abstract::Life history adaptations and spatial configuration of metapopulation networks allow certain species to persist in extreme fluctuating environments, yet long-term stability within these systems relies on the maintenance of linkage habitat. Degradation of such linkages in urban riverscapes can disrupt this dynamic in aq...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.14445
更新日期:2018-01-01 00:00:00
abstract::Microbial taxa range from being ubiquitous and abundant across space to extremely rare and endemic, depending on their ecophysiology and on different processes acting locally or regionally. However, little is known about how cosmopolitan or rare taxa combine to constitute communities and whether environmental variatio...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.15026
更新日期:2019-04-01 00:00:00
abstract::One of the original goals of phylogeography was to use genetic data to identify historical events that might contribute to breaks among communities. In this study, we examine the phylogeography of a common livebearing fish (Poecilia gillii) from Costa Rica. Our goal was to determine if phylogeographical breaks in this...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2009.04339.x
更新日期:2009-10-01 00:00:00
abstract::Lions were the most widespread carnivores in the late Pleistocene, ranging from southern Africa to the southern USA, but little is known about the evolutionary relationships among these Pleistocene populations or the dynamics that led to their extinction. Using ancient DNA techniques, we obtained mitochondrial sequenc...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2009.04134.x
更新日期:2009-04-01 00:00:00
abstract::Theory suggests that speciation is possible without physical isolation of populations (hereafter, nonallopatric speciation), but recent nonallopatric models need the support of irrefutable empirical examples. We collected snails (Littorina saxatilis) from three areas on the NW coast of Spain to investigate the populat...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2004.02330.x
更新日期:2004-11-01 00:00:00
abstract::We investigated how heterozygosity at the major histocompatibility complex (MHC) affects fitness in wild-derived (F2) house mice (Mus musculus musculus). To compare and control for potential confounding effects from close inbreeding and genome-wide heterozygosity, we used mice that were systematically outbred. We asse...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2011.05009.x
更新日期:2011-04-01 00:00:00
abstract::In terrestrial ecosystems, plant species and diverse root-associated fungi form complex networks of host-symbiont associations. Recent studies have revealed that structures of those below-ground plant-fungus networks differ between arbuscular mycorrhizal and ectomycorrhizal symbioses. Nonetheless, we still remain igno...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.13680
更新日期:2016-07-01 00:00:00
abstract::During the co-evolutionary arms race between plants and herbivores, insects evolved systematic adaptive plasticity to minimize the chemical defence effects of their host plants. Previous studies mainly focused on the expressional plasticity of enzymes in detoxification and digestion. However, the expressional response...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.14720
更新日期:2018-07-01 00:00:00
abstract::The black surfperch Embiotoca jacksoni and the striped surfperch E. lateralis (Embiotocidae, Perciformes) are livebearing temperate reef fishes that live sympatrically over a large portion of their distribution range, where they exhibit strong ecological competition. In order to assess whether mating strategies reflec...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2009.04123.x
更新日期:2009-04-01 00:00:00
abstract::Most emerging pathogens can infect multiple species, underlining the importance of understanding the ecological and evolutionary factors that allow some hosts to harbour greater infection prevalence and share pathogens with other species. However, our understanding of pathogen jumps is based primarily around viruses, ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.15422
更新日期:2020-04-01 00:00:00
abstract::We assessed genetic differentiation and diversity in 14 populations of sika deer (Cervus nippon) from Japan and four populations of sika deer introduced to the UK, using nine microsatellite loci. We observed extreme levels of differentiation and significant differences in diversity between populations. Our results do ...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1046/j.1365-294x.2001.01277.x
更新日期:2001-06-01 00:00:00
abstract::Many marine organisms can be transported hundreds of kilometres during their pelagic larval stage, yet little is known about spatial and temporal patterns of larval dispersal. Although traditional population-genetic tools can be applied to infer movement of larvae on an evolutionary timescale, large effective populati...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/mec.12824
更新日期:2014-07-01 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::Social monogamy is nearly ubiquitous across avian taxa,but evidence from a proliferation of studies utilizing molecular paternity analysis suggests that sexual monogamy is the rare exception rather than the rule (Griffith et al. 2002). Efforts to explain the prevalence of extra-pair paternity (EPP) have largely focuse...
journal_title:Molecular ecology
pub_type: 评论,杂志文章
doi:10.1111/j.1365-294x.2011.05118.x
更新日期:2011-07-01 00:00:00
abstract::The green and golden bell frog (Litoria aurea) was once a common Australian Hylid. Today, many populations are small and fragmented as a result of dramatic declines in distribution and abundance. We undertook a large-scale assessment of genetic structure and diversity in L. aurea using four species-specific microsatel...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2004.02190.x
更新日期:2004-07-01 00:00:00
abstract::Genetic assignment methods provide an appealing approach for characterizing dispersal patterns on ecological time scales, but require sufficient genetic differentiation to accurately identify migrants and a large enough sample size of migrants to, for example, compare dispersal between sexes or age classes. We demonst...
journal_title:Molecular ecology
pub_type: 杂志文章
doi:10.1111/j.1365-294X.2009.04416.x
更新日期:2009-12-01 00:00:00