abstract：:Comprehensive long-term studies of isolated populations provide valuable comparative data that may be used to evaluate different methods for quantifying the relationship between genetic diversity and fitness. Here, we report on data collected from large and well-characterized cohorts of the two numerically dominant sp...

journal_title：Heredity

authors： Markert JA,Grant PR,Grant BR,Keller LF,Coombs JL,Petren K

更新日期：2004-04-01 00:00:00

abstract：:Understanding the breeding system and population genetic structure of invasive weed species is important for biocontrol, and contributes to our understanding of the evolutionary processes associated with invasions. Hieracium lepidulum is an invasive weed in New Zealand, colonising a diverse range of habitats including...

journal_title：Heredity

authors： Chapman H,Robson B,Pearson ML

更新日期：2004-03-01 00:00:00

abstract：:Patterns of pollen dispersal are central to both the ecology and evolution of plant populations. However, the mechanisms controlling either the dispersal process itself or our estimation of that process may be influenced by site-specific factors such as local forest structure and nonuniform adult genetic structure. He...

journal_title：Heredity

authors： Dyer RJ,Westfall RD,Sork VL,Smouse PE

更新日期：2004-03-01 00:00:00

abstract：:A general prediction of the neutral theory of evolution is that genetic diversity should correlate positively with effective population size. We show here that diversity across eight microsatellite loci was consistently and substantially lower in one common amphibian (Bufo bufo) than in another with similar life histo...

journal_title：Heredity

authors： Brede EG,Beebee TJ

更新日期：2004-02-01 00:00:00

abstract：:Pedunculate oak and sessile oak are two sympatric interfertile species that exhibit leaf morphological differences. We aimed to detect quantitative trait loci (QTLs) of these traits in order to locate genomic regions involved in species differentiation. A total of 15 leaf morphological traits were assessed in a mixed ...

journal_title：Heredity

authors： Saintagne C,Bodénès C,Barreneche T,Pot D,Plomion C,Kremer A

更新日期：2004-01-01 00:00:00

abstract：:Dispersal in most plants is mediated by the movement of seeds and pollen, which move genes across the landscape differently. Grevillea macleayana is a rare, fire-dependent Australian shrub with large seeds lacking adaptations for dispersal; yet it produces inflorescences adapted to pollination by highly mobile vertebr...

journal_title：Heredity

authors： England PR,Whelan RJ,Ayre DJ

更新日期：2003-11-01 00:00:00

abstract：:Blue mussels of the genus Mytilus have an unusual mode of mitochondrial DNA inheritance termed doubly uniparental inheritance (DUI). Females are homoplasmic for the F mitotype which is inherited maternally, whereas males are heteroplasmic for this and the paternally inherited M mitotype. In areas where species distrib...

journal_title：Heredity

authors： Wood AR,Turner G,Skibinski DO,Beaumont AR

更新日期：2003-10-01 00:00:00

abstract：:Parasitic wasps (parasitoids) use volatiles from the plants infested by phytophagous insects to locate host herbivores, but their behavioural response to such semiochemicals is highly variable. Bi-directional selection on Cotesia glomerata (Hymenoptera: Braconidae) was conducted to investigate the importance of geneti...

journal_title：Heredity

authors： Wang Q,Gu H,Dorn S

更新日期：2003-10-01 00:00:00

abstract：:Wolbachia are a group of maternally inherited bacteria that infect a wide range of arthropods. Wolbachia infections are known to result in the expression of various abnormal reproductive phenotypes, the best known being cytoplasmic incompatibility. The first systematic survey of 42 spider mite species in Japan reveale...

journal_title：Heredity

authors： Gotoh T,Noda H,Hong XY

更新日期：2003-09-01 00:00:00

abstract：:Using fast-evolving microsatellites, more slowly evolving ITS markers and performing habitat analyses, we demonstrated a drastic genetic divergence and significant habitat differentiation between early- and late-flowering variants of plants morphologically belonging to Gymnadenia conopsea ssp conopsea. The two phenolo...

journal_title：Heredity

authors： Gustafsson S,Lönn M

更新日期：2003-09-01 00:00:00

abstract：:Stable hybrid zones in which ecologically divergent taxa give rise to a range of recombinants are natural laboratories in which the genetic basis of adaptation and reproductive isolation can be unraveled. One such hybrid zone is formed by the fire-bellied toads Bombina bombina and B. variegata (Anura: Discoglossidae)....

journal_title：Heredity

authors： Nürnberger B,Hofman S,Förg-Brey B,Praetzel G,Maclean A,Szymura JM,Abbott CM,Barton NH

更新日期：2003-08-01 00:00:00

abstract：:The interaction between rapidly evolving centromere sequences and conserved kinetochore machinery appears to be mediated by centromere-binding proteins. A recent theory proposes that the independent evolution of centromere-binding proteins in isolated populations may be a universal cause of speciation among eukaryotes...

journal_title：Heredity

authors： Sainz A,Wilder JA,Wolf M,Hollocher H

更新日期：2003-07-01 00:00:00

abstract：:Local patterns of genetic variation were analysed in the land snail Helix aspersa for 32 populations sampled within a patchy agricultural landscape: the polders of the Bay of Mont-Saint-Michel (France). This investigation examined the allele frequencies at four enzymatic markers and five microsatellite loci through th...

journal_title：Heredity

authors： Arnaud JF,Madec L,Guiller A,Deunff J

更新日期：2003-06-01 00:00:00

abstract：:Knowledge of the mechanism underlying the expression of melanin-based sex-traits may help us to understand their signalling function. Potential sources of inter-individual variation are the total amount of melanins produced but also how biochemical precursors are allocated into the eumelanin and phaeomelanin pigments ...

journal_title：Heredity

authors： Roulin A,Dijkstra C

更新日期：2003-05-01 00:00:00

abstract：:It was shown previously that the long lifespan and juvenile phase of trees strongly attenuate founder effects during colonisation in a diffusive dispersal model. However, this model yielded too slow a colonisation rate in comparison with palynological data for temperate forest trees. Since rare long-distance dispersal...

journal_title：Heredity

authors： Austerlitz F,Garnier-Géré PH

更新日期：2003-04-01 00:00:00

abstract：:In the solitary parasitoid wasp Venturia canescens both arrhenotokously (sexual) and thelytokously (parthenogenetical) reproducing individuals occur sympatrically. We found in the laboratory that thelytokous wasps are able to mate, receive and use sperm of arrhenotokous males. Using nuclear (amplified fragment length ...

journal_title：Heredity

authors： Schneider MV,Driessen G,Beukeboom LW,Boll R,van Eunen K,Selzner A,Talsma J,Lapchin L

更新日期：2003-03-01 00:00:00

abstract：:The phytophagous insects that damage crops are often polyphagous, feeding on several types of crop and on weeds. The refuges constituted by noncrop host plants may be useful in managing the evolution in pest species of resistance to the Bacillus thuringiensis toxins produced by transgenic crops. However, the benefits ...

journal_title：Heredity

authors： Martel C,Réjasse A,Rousset F,Bethenod MT,Bourguet D

更新日期：2003-02-01 00:00:00

abstract：:Hybridization between wild and domestic bovine species occurs worldwide either spontaneously or by organized crossing. We have analysed hybridization of banteng (Bos javanicus) and zebu (Bos indicus) in south-east Asian cattle using mitochondrial DNA (PCR-RFLP and sequencing), AFLP, satellite fragment length polymorph...

journal_title：Heredity

authors： Nijman IJ,Otsen M,Verkaar EL,de Ruijter C,Hanekamp E,Ochieng JW,Shamshad S,Rege JE,Hanotte O,Barwegen MW,Sulawati T,Lenstra JA

更新日期：2003-01-01 00:00:00

abstract：:Variations observed in parasite virulence and host resistance may be the outcome of coevolutionary processes. Recent theoretical developments have led to a 'geographic mosaic theory' of coevolution according to which there are some localities where reciprocal selection occurs (hot spots) and others where it is strongl...

journal_title：Heredity

authors： Dupas S,Carton Y,Poiriè M

更新日期：2003-01-01 00:00:00

abstract：:Matrilineal phylogenetic divergence among Atlantic salmon stocks of the Bay of Fundy in south eastern Canada is investigated. Sequence variation in two regions of the mitochondrial ND1 gene, encompassing 710 base pairs, is described for 168 salmon from 11 rivers. Mean overall haplotype and nucleotide diversity (h and ...

journal_title：Heredity

authors： Verspoor E,O'Sullivan M,Arnold AL,Knox D,Amiro PG

更新日期：2002-12-01 00:00:00

abstract：:We review and discuss the importance of correlational selection (selection for optimal character combinations) in natural populations. If two or more traits subject to multivariate selection are heritable, correlational selection builds favourable genetic correlations through the formation of linkage disequilibrium at...

journal_title：Heredity

authors： Sinervo B,Svensson E

更新日期：2002-11-01 00:00:00

abstract：:Here I develop the idea that ubiquitous harmful genome-wide mutation with local differentiation favors dispersal, even though migration reduces average fitness. Historical contingency of the mutational process means that demes (sub-populations) differentiate from one another. Deleterious or lethal partially recessive ...

journal_title：Heredity

authors： Morgan MT

更新日期：2002-10-01 00:00:00

abstract：:F-statistics were employed to analyse quantitative and allozyme variation among 19 native populations of maritime pine (Pinus pinaster Ait.). Fourteen polymorphic allozyme loci were used to provide an empirical basis for constructing a null hypothesis to test natural selection as a determinant of quantitative evolutio...

journal_title：Heredity

authors： González-Martínez SC,Alía R,Gil L

更新日期：2002-09-01 00:00:00

abstract：:Two hundred and thirty-six mitochondrial DNA nucleotide sequences were used in combination with polymorphism at four nuclear microsatellite loci to assess the amount and distribution of genetic variation within and between African savannah elephants. They were sampled from 11 localities in eastern, western and souther...

journal_title：Heredity

authors： Nyakaana S,Arctander P,Siegismund HR

更新日期：2002-08-01 00:00:00

abstract：:A total of 76 sweet cherry genotypes were screened with 34 microsatellite primer pairs previously developed in peach. Amplification of SSR loci was obtained for 24 of the microsatellite primer pairs, and 14 of them produced polymorphic amplification patterns. On the basis of polymorphism and quality of amplification, ...

journal_title：Heredity

authors： Wünsch A,Hormaza JI

更新日期：2002-07-01 00:00:00

abstract：:We investigate the effects of consanguinity and population substructure on genetic health using the UK Asian population as an example. We review and expand upon previous treatments dealing with the deleterious effects of consanguinity on recessive disorders and consider how other factors, such as population substructu...

journal_title：Heredity

authors： Overall AD,Ahmad M,Nichols RA

更新日期：2002-06-01 00:00:00

abstract：:Seven different mildew resistant wheat lines derived from crosses between triticale and bread wheat were examined by molecular cytogenetics and chromosome C-banding in order to determine their chromosomal composition. Genomic in situ hybridisation (GISH) showed the presence of rye germplasm in all the lines and identi...

journal_title：Heredity

authors： Forsström PO,Merker A,Schwarzacher T

更新日期：2002-05-01 00:00:00

abstract：:Araucaria araucana (Monkey Puzzle), a southern South American tree species of exceptional cultural and economic importance, is of conservation concern owing to extensive historical clearance and current human pressures. Random amplified polymorphic DNA (RAPD) markers were used to characterise genetic heterogeneity wit...

journal_title：Heredity

authors： Bekessy SA,Allnutt TR,Premoli AC,Lara A,Ennos RA,Burgman MA,Cortes M,Newton AC

更新日期：2002-04-01 00:00:00

abstract：:Fluctuating asymmetry (FA) has been proposed as a tool to measure levels of stress experienced by populations of organisms during development. To be of value as a bio-marker to highlight conditions at particular sites, it is important that variation in FA is due to environmental (eg pollution) variation and not geneti...

journal_title：Heredity

authors： Mpho M,Callaghan A,Holloway GJ

更新日期：2002-04-01 00:00:00

abstract：:The vertical transmission of Wolbachia in two species of spider mite was investigated and compared. One species, Tetranychus kanzawai Kishida, was infected with a modification negative strain of Wolbachia while the other species, Panonychus mori Yokoyama, was infected with a modification positive strain. The infection...

journal_title：Heredity

authors： Hong XY,Gotoh T,Nagata T

更新日期：2002-03-01 00:00:00

abstract：:Sex ratio theory attempts to explain variation at all levels (species, population, individual, brood) in the proportion of offspring that are male (the sex ratio). In many cases this work has been extremely successful, providing qualitative and even quantitative explanations of sex ratio variation. However, this is no...

journal_title：Heredity

authors： West SA,Reece SE,Sheldon BC

更新日期：2002-02-01 00:00:00

abstract：:The frequency of individuals resistant to two acetolactate synthase (ALS)-inhibiting herbicides in three previously untreated populations of Lolium rigidum was determined. The frequency of individuals resistant to the sulfonylurea herbicide sulfometuron-methyl varied from 2.2 x 10(-5) to 1.2 x 10(-4) and the frequency...

journal_title：Heredity

authors： Preston C,Powles SB

更新日期：2002-01-01 00:00:00

abstract：:A conspicuous shell polychromatism is observed in colonies of Cepaea nemoralis from western France (Brittany). The present study is intended to search for a spatial structure of shell features at this scale and to infer evolutionary processes from the observed patterns. We used a database of morph frequencies (six com...

journal_title：Heredity

authors： Bellido A,Madec L,Arnaud JF,Guiller A

更新日期：2002-01-01 00:00:00

abstract：:Gene flow was investigated in Anopheles gambiae from eight localities that span the ecological zones of Nigeria (arid savanna zones in the north gradually turn into humid forest zones in the south). Genetic differentiation was measured over 10 microsatellite loci and, to determine any effects of selection, five loci w...

journal_title：Heredity

authors： Onyabe DY,Conn JE

更新日期：2001-12-01 00:00:00

abstract：:The genetic control of self-incompatibility (SI) was studied in the Mediterranean short-lived perennial species Anagallis monelli (Primulaceae: Myrsinaceae). Arrays of siblings, including families derived from reciprocal crosses, were cross-pollinated in full diallels, and compatibility groups were assesssed from a ce...

journal_title：Heredity

authors： Talavera S,Gibbs PE,Fernández-Piedra MP,Ortiz-Herrera MA

更新日期：2001-11-01 00:00:00

abstract：:Porcellionides pruinosus is a cosmopolitan woodlouse. It is known to exhibit patterns of geographical variation between populations, and has been suspected to consist of several very closely related species. This species was found to carry Wolbachia endosymbionts, alpha-proteobacteria which are known to modify the rep...

journal_title：Heredity

authors： Michel-Salzat A,Cordaux R,Bouchon D

更新日期：2001-10-01 00:00:00

abstract：:Geographical range is considered a good predictor of the levels of isozyme variation in plants. Widespread species, often consisting of historically larger and more continuous populations, maintain higher polymorphism and are less affected by drift, which tends to erode genetic variation in more geographically restric...

journal_title：Heredity

authors： Premoli AC,Souto CP,Allnutt TR,Newton AC

更新日期：2001-09-01 00:00:00

abstract：:In order to extend present knowledge of brown trout phylogeography in the Palaearctic, we analysed the complete mitochondrial D-loop sequence (1025-1027 bp) of all mitochondrial haplotypes of Salmo trutta found in the Iberian Peninsula and one North African haplotype. Sequence variation in the mitochondrial control re...

journal_title：Heredity

authors： Suárez J,Bautista JM,Almodóvar A,Machordom A

更新日期：2001-08-01 00:00:00

abstract：:Random amplified polymorphic DNA (RAPD) analysis was performed to characterize the genetic diversity of Austropotamobius pallipes, a threatened freshwater crayfish native to Europe. Four decamer primers which generated six unambiguous polymorphic bands were used to analyse crayfish from 21 populations sampled in the m...

journal_title：Heredity

authors： Gouin N,Grandjean F,Bouchon D,Reynolds JD,Souty-Grosset C

更新日期：2001-07-01 00:00:00

abstract：:Hybridization between crops and their weedy or wild relatives is an area of concern because the widespread use of genetically engineered crops may allow novel, beneficial transgenes to enter nearby populations. We compared fitness components of wild Cucurbita pepo from Arkansas, USA, with wild-crop hybrids derived fro...

journal_title：Heredity

authors： Spencer LJ,Snow AA

更新日期：2001-06-01 00:00:00