Demographic history and the low genetic diversity in Dipteryx alata (Fabaceae) from Brazilian Neotropical savannas.

abstract：:At treeline, selection by harsh environmental conditions sets an upward limit to arboreal vegetation. Increasing temperatures and the decline of traditional animal raising have favoured an upward shift of treeline in the last decades. These circumstances create a unique opportunity to study the balance of the main for...

journal_title：Heredity

authors： Piotti A,Leonardi S,Piovani P,Scalfi M,Menozzi P

更新日期：2009-08-01 00:00:00

abstract：:Natural populations of the arctic fox (Alopex lagopus, Canidae, Carnivora) differ drastically in their reproductive strategy. Coastal foxes, which depend on stable food resources, produce litters of moderate size. Inland foxes feed on small rodents, whose populations are characterized by cycling fluctuation. In the ye...

journal_title：Heredity

authors： Axenovich TI,Zorkoltseva IV,Akberdin IR,Beketov SV,Kashtanov SN,Zakharov IA,Borodin PM

更新日期：2007-02-01 00:00:00

abstract：:Genome and body sizes were measured in 38 species of turbellarian flatworms and 16 species of copepod crustaceans. Significant positive relationships existed between genome size and body size in both groups. The slopes of these regressions indicated that increases in cell volume are reinforced by increased cell number...

journal_title：Heredity

authors： Gregory TR,Hebert PD,Kolasa J

更新日期：2000-02-01 00:00:00

abstract：:The impact of environmental conditions on the expression of genetic variance and on maternal effects variance remains an important question in evolutionary quantitative genetics. We investigate here the effects of early environment on variation in seven adult life history, morphological, and secondary sexual traits (i...

journal_title：Heredity

authors： Vega-Trejo R,Head ML,Jennions MD,Kruuk LEB

更新日期：2018-01-01 00:00:00

abstract：:Sperm competition is a potent evolutionary force shaping the reproductive biology of most animal species. Here, we estimated the heritability of sperm competition success in the promiscuous bulb mite Rhizoglyphus robini. Sperm competition success was measured with the sterile male technique as the proportion of eggs f...

journal_title：Heredity

authors： Konior M,Keller L,Radwan J

更新日期：2005-06-01 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：:Population genetics theory predicts loss in genetic variability because of drift and inbreeding in isolated plant populations; however, it has been argued that long-distance pollination and seed dispersal may be able to maintain gene flow, even in highly fragmented landscapes. We tested how historical effective popula...

journal_title：Heredity

authors： da Silva Carvalho C,Ribeiro MC,Côrtes MC,Galetti M,Collevatti RG

更新日期：2015-09-01 00:00:00

abstract：:A type of lower motor neuron (LMN) disease inherited as autosomal recessive in Romney sheep was characterized with normal appearance at birth, but with progressive weakness and tetraparesis after the first week of life. Here, we carried out genome-wide homozygosity mapping using Illumina Ovine SNP50 BeadChips on lambs...

journal_title：Heredity

authors： Zhao X,Onteru SK,Dittmer KE,Parton K,Blair HT,Rothschild MF,Garrick DJ

更新日期：2012-09-01 00:00:00

abstract：:We dissected the relationship between genetic differentiation (Q(ST)) for a trait and its underlying genes (G(STq), differentiation for a quantitative locus) in an evolutionary context, with the aim of identifying the conditions in which these two measurements are decoupled. We used two parameters (θ(B) and θ(W)) scal...

journal_title：Heredity

authors： Kremer A,Le Corre V

更新日期：2012-04-01 00:00:00

abstract：:Effective population size over a generation (Ne) or over a reproductive cycle (Nb) and the adult census size (Nc) are important parameters in both conservation and evolutionary biology. Ne provides information regarding the rate of loss of genetic diversity and can be tracked back in time to infer demographic history ...

journal_title：Heredity

authors： Ferchaud AL,Perrier C,April J,Hernandez C,Dionne M,Bernatchez L

更新日期：2016-10-01 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：:The a priori probability of noticeable linkage among all conceivable experiments of the size reported by Mendel cannot reasonably be taken as greater than 24-36 per cent; and therefore, the frequently heard opinion that his chances of encountering linkage were high, approaching 99-4 per cent, appears to be mistaken. ...

journal_title：Heredity

authors： Douglas L,Novitski E

更新日期：1977-04-01 00:00:00

abstract：:The expression of phenotypic plasticity may differ among life stages of the same organism. Age-dependent plasticity can be important for adaptation to heterogeneous environments, but this has only recently been recognized. Whether age-dependent plasticity is a common outcome of local adaptation and whether populations...

journal_title：Heredity

authors： Nilsson-Örtman V,Rogell B,Stoks R,Johansson F

更新日期：2015-10-01 00:00:00

abstract：:Chromosome polymorphism in Drosophila buzzatii is under selection but the genes responsible for the effect of the inversions of fitness are unknown. On the other hand, there is evidence for selection on several allozyme loci but the presence of paracentric inversions on the second chromosome, where most of the polymor...

journal_title：Heredity

authors： Betrán E,Quezada-Díaz JE,Ruiz A,Santos M,Fontdevila A

更新日期：1995-02-01 00:00:00

abstract：:Inbred laboratory stocks of the locust Locusta migratoria were used in two different types of experiment involving the superimposition of heat-induced changes in chiasma frequency. The first involved the administration of two heat-treatments at 40 degrees C alternating with a return to 30 degrees C. This was designed ...

journal_title：Heredity

authors： Henderson SA,Buss ME

更新日期：1989-02-01 00:00:00

abstract：:Pinewood nematode (Bursaphelenchus xylophilus) is an invasive species that causes a destructive forest disease-pine wilt disease. This disease has been prevalent in some countries in Asia since the 1970s. An amplified fragment length polymorphism survey was used to compare the genetic variation of native and invasive ...

journal_title：Heredity

authors： Cheng XY,Cheng FX,Xu RM,Xie BY

更新日期：2008-04-01 00:00:00

abstract：:We conducted controlled crosses in populations of the long-lived clonal shrub, Vaccinium angustifolium (lowbush blueberry) to estimate inbreeding depression and mutation parameters associated with somatic deleterious mutation. Inbreeding depression level was high, with many plants failing to set fruit after self-polli...

journal_title：Heredity

authors： Bobiwash K,Schultz ST,Schoen DJ

更新日期：2013-10-01 00:00:00

abstract：:Drosophila mauritiana larvae are tolerant to ethanol as a supplementary nutritional resource at low concentrations. Higher levels of ethanol (5 per cent) in the food adversely affect larval behaviour causing reduced rates of locomotion and feeding which are associated with low larva-to-adult survival. Two codominant a...

journal_title：Heredity

authors： Muhammad-Ali AZ,Burnet B

更新日期：1995-04-01 00:00:00

abstract：:The Africanization of the honeybee (Apis mellifera) in South America is one of the most spectacular examples of biological invasions. In this study, we analyzed the Africanization process in Central Mexico along an altitudinal transect from 72 to 2800 m, using both mitochondrial and nuclear DNA markers. The mitochondr...

journal_title：Heredity

authors： Kraus FB,Franck P,Vandame R

更新日期：2007-08-01 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

abstract：:There is great uncertainty about how Ireland attained its current fauna and flora. Long-distance human-mediated colonization from southwestern Europe has been seen as a possible way that Ireland obtained many of its species; however, Britain has (surprisingly) been neglected as a source area for Ireland. The pygmy shr...

journal_title：Heredity

authors： McDevitt AD,Vega R,Rambau RV,Yannic G,Herman JS,Hayden TJ,Searle JB

更新日期：2011-12-01 00:00:00

abstract：:In the semienclosed Adriatic Sea, the shared stocks of the cephalopods Loligo vulgaris and Sepia officinalis represent important marine fisheries resources exploited by all coastal countries. The improving of knowledge on the demographic features of these shared stocks is internationally relevant for adopting responsi...

journal_title：Heredity

authors： Garoia F,Guarniero I,Ramsak A,Ungaro N,Landi M,Piccinetti C,Mannini P,Tinti F

更新日期：2004-08-01 00:00:00

abstract：:The neotropical fish, Hoplias malabaricus, is well known for its population-specific karyotypic diversity and the variation of its sex chromosomes. Seven karyomorphs (A to G) have been previously described with an XY, X(1)X(2)Y and XY(1)Y(2) sex chromosome system found in karyomorphs B, D and G, respectively. We compa...

journal_title：Heredity

authors： Cioffi MB,Bertollo LA

更新日期：2010-12-01 00:00:00

abstract：:Six populations of Trimerotropis pallidipennis located along an altitudinal gradient in the Antinaco-Los Colorados valley (La Rioja, Argentina), were cytologically analysed. The male karyotype consists of 23 chromosomes (22 + XO) with three long pairs submetacentric, the X-chromosome metacentric and the remaining ones...

journal_title：Heredity

authors： Confalonieri VA,Colombo PC

更新日期：1989-02-01 00:00:00

abstract：:Twenty-eight spontaneous alterations modifying the hybridization banding pattern of six families of transposable elements (297, Foldback, copia, jockey, P and hobo) have been fixed in a set of mutation-accumulation lines of Drosophila melanogaster. Their effect on fitness has been studied by competition with the origi...

journal_title：Heredity

authors： Albornoz J,Domínguez A

更新日期：1999-12-01 00:00:00

abstract：:Allele frequency differences between sexes and an excess of heterozygotes in males had suggested that the PEPB-1 locus is sex-linked in chinook salmon (Oncorhynchus tshawytscha). We here estimate less than 1% recombination between PEPB-1 and a growth hormone pseudogene known to be in the sex-determining region (SEX) i...

journal_title：Heredity

authors： Marshall AR,Knudsen KL,Allendorf FW

更新日期：2004-07-01 00:00:00

abstract：:WOLBACHIA are maternally inherited bacteria, which are very common in arthropods and nematodes. Wolbachia infection may affect host reproduction through feminisation, parthenogenesis, male-killing, cytoplasmic incompatibility and increased fecundity. Previous studies showing discrepancies between the phylogenies of Wo...

journal_title：Heredity

authors： Reuter M,Pedersen JS,Keller L

更新日期：2005-03-01 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：:Hieracium pilosella: (Asteraceae) was accidentally introduced to New Zealand about 100 years ago. Since then it has become an aggressive weed, and an unexpected degree of genetic and genome size variation has been detected; features that might result from interspecies hybridization. We investigated the possibility tha...

journal_title：Heredity

authors： Morgan-Richards M,Trewick SA,Chapman HM,Krahulcova A

更新日期：2004-07-01 00:00:00

abstract：:In the silkworm, Bombyx mori, the female is the heterogametic (ZW) sex and the male is homogametic (ZZ). The female heterogamety is a typical situation in the insect order Lepidoptera. Although the W chromosome in silkworm is strongly female determining, no W-linked gene for a morphological character has been found on...

journal_title：Heredity

authors： Nagaraja GM,Mahesh G,Satish V,Madhu M,Muthulakshmi M,Nagaraju J

更新日期：2005-08-01 00:00:00