Sex determination and inbreeding depression in an ant with regular sib-mating.

abstract：:Wolbachia is an intracellular endosymbiont that induces a variety of reproductive alterations in diverse arthropods. The almond moth, Cadra cautella, is double infected with two Wolbachia variants, wCauA and wCauB, and expresses complete cytoplasmic incompatibility (CI). The individual contribution of wCauA and wCauB ...

journal_title：Heredity

authors： Sasaki T,Massaki N,Kubo T

更新日期：2005-11-01 00:00:00

abstract：:Competition among individuals is central to our understanding of ecology and population dynamics. However, it could also have major implications for the evolution of resource-dependent life history traits (for example, growth, fecundity) that are important determinants of fitness in natural populations. This is becaus...

journal_title：Heredity

authors： Wilson AJ

更新日期：2014-01-01 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 importance of sexual selection in population divergence is of much interest, mainly because it is thought to cause reproductive isolation and hence could lead to speciation. Sexually selected traits have been hypothesized to diverge faster between populations than other traits, presumably because of differences in...

journal_title：Heredity

authors： Svensson EI,Kristoffersen L,Oskarsson K,Bensch S

更新日期：2004-11-01 00:00:00

abstract：:Despite the evidence that the Pleistocene climatic fluctuations have seriously affected the distribution of intraspecific diversity, less is known on its impact on interspecific divergence. In this study, we aimed to test the hypothesis that the divergence of two desert poplar species Populus euphratica Oliv. and P. p...

journal_title：Heredity

authors： Wang J,Källman T,Liu J,Guo Q,Wu Y,Lin K,Lascoux M

更新日期：2014-02-01 00:00:00

abstract：:Induced triploidy (3N) in salmon results from a blockage of maternal meiosis II, and hence provides a unique opportunity to study dosage effects on phenotypic variance. Chinook salmon families were bred using a paternal half-sib breeding design (62 females and 31 males) and half of each resulting family was treated to...

journal_title：Heredity

authors： Johnson RM,Shrimpton JM,Cho GK,Heath DD

更新日期：2007-05-01 00:00:00

abstract：:A temporal analysis of a hybrid zone between chromosomal races of Mus musculus domesticus was performed to evaluate its dynamics over a 20-year period. The transect chosen was one previously analysed by Spirito et al. (1980) across the hycbrid zone between the chromosomal race CD 2n=22 (central Italy) and the surround...

journal_title：Heredity

authors： Castiglia R,Capanna E

更新日期：1999-09-01 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：:Echinoderms represent a researchable subset of a dynamic larval evolutionary cosmos. Evolution of echinoderm larvae has taken place over widely varying time scales from the origins of larvae of living classes in the early Palaeozoic, approximately 500 million years ago, to recent, rapid and large-scale changes that ha...

journal_title：Heredity

authors： Raff RA,Byrne M

更新日期：2006-09-01 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：:Several studies on 5S ribosomal DNA (5S rDNA) have been focused on a subset of the following features in mostly one organism: number of copies, pseudogenes, secondary structure, promoter and terminator characteristics, genomic arrangements, types of non-transcribed spacers and evolution. In this work, we systematicall...

journal_title：Heredity

authors： Vierna J,Wehner S,Höner zu Siederdissen C,Martínez-Lage A,Marz M

更新日期：2013-11-01 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：:Red deer representing the four different European subspecies Cervus elaphus atlanticus, C. e. elaphus, C. e. germanicus, and C. e. scoticus were examined for allozyme variability at 35 enzyme loci. The proportion of polymorphic loci within populations (P) ranged from 0 to 13.8 per cent and the average heterozygosity (...

journal_title：Heredity

authors： Gyllenstein U,Ryman N,Reuterwall C,Dratch P

更新日期：1983-12-01 00:00:00

abstract：:The transport of desert soil into the atmosphere during desert sandstorms can affect the Earth's climate and environmental health. Asian desert sandstorms occur almost every year during the Spring, as the atmosphere in the Northern hemisphere warms. It is conceivable that these Asian desert sandstorms may transport mi...

journal_title：Heredity

authors： An S,Sin HH,DuBow MS

更新日期：2015-05-01 00:00:00

abstract：:Self-incompatibility (SI) has been well studied in the genera Brassica and Arabidopsis, which have become models for investigation into the SI system. To understand the evolution of the SI system in the Brassicaceae, comparative analyses of the S-locus in genera other than Brassica and Arabidopsis are necessary. We re...

journal_title：Heredity

authors： Paetsch M,Mayland-Quellhorst S,Neuffer B

更新日期：2006-10-01 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：:Several classes of models have been suggested to explain how natural selection can favour non-zero recombination. Directional and fluctuating selection, abiotic and biotic, and selection against harmful mutations seem to be the most plausible factors, but little has been done to test the problem experimentally. Here w...

journal_title：Heredity

authors： Korol AB,Iliadi KG

更新日期：1994-01-01 00:00:00

abstract：:We investigated genetic diversity among and within natural populations of Asian common wild rice, Oryza rufipogon, from three different classes of data: quantitative traits, allozymes, and restriction fragment length polymorphisms (RFLPs). The seven populations examined showed polymorphism to varying degrees. The amou...

journal_title：Heredity

authors： Cai HW,Wang XK,Morishima H

更新日期：2004-05-01 00:00:00

abstract：:The quantitative genetic properties are derived for the bulk F2 originating from random fertilization (RF) amongst hybrid (F1) individuals. Only its mean appears to have been derived previously, and that definition is confirmed (by another method). New general equations are found also for all genotype frequencies, all...

journal_title：Heredity

authors： Gordon IL

更新日期：2000-07-01 00:00:00

abstract：:A long-standing goal of evolutionary biology is to understand the factors that drive population divergence, local adaptation and speciation. In particular, the effect of selection against dispersers on gene flow and local adaptation has attracted interest, although empirical data on phenotypic characters of dispersers...

journal_title：Heredity

authors： Lin J,Quinn TP,Hilborn R,Hauser L

更新日期：2008-10-01 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：:We have developed a new model for mating system analysis, which attempts to distinguish among alternative modes of self-oriented mating within populations. This model jointly estimates the rates of outcrossing, selfing, automixis and apomixis, through the use of information in the family structure given by dominant ge...

journal_title：Heredity

authors： Thompson SL,Ritland K

更新日期：2006-08-01 00:00:00

abstract：:The teleost fish, medaka (Oryzias latipes), has an XX/XY sex-determining mechanism. A Y-linked DM domain gene, DMY, has been isolated by positional cloning as the sex-determining gene in this species. Previously, we conducted a field survey of genotypic sex and found that approximately 1% of wild medaka are sex-revers...

journal_title：Heredity

authors： Shinomiya A,Otake H,Hamaguchi S,Sakaizumi M

更新日期：2010-11-01 00:00:00

abstract：:Determination of mammalian sex depends on the presence or absence of a functional testis. Testes are determined by the activity of the testis determining factor encoded by the sex determining gene, Y (SRY) located on the Y chromosome. Considerable evidence suggests that the SRY gene is the only gene on the Y chromosom...

journal_title：Heredity

authors： McElreavey K,Barbaux S,Ion A,Fellous M

更新日期：1995-12-01 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：:In social Hymenoptera, within-colony relatedness is usually high due to the haplodiploid sex-determining system. However, factors such as the presence of multiple reproductive queens (polygyny), multiple queen matings (polyandry) or worker reproduction result in decreased relatedness among workers and the brood they r...

journal_title：Heredity

authors： Timmermans I,Hefetz A,Fournier D,Aron S

更新日期：2008-12-01 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 polyploid Salix alba-Salix fragilis hybrid complex is rather difficult to study when using only morphological characters. Most of the features have a low diagnostic value for unambiguously identifying the hybrids, introgression patterns and population structures, though morphological traits have proved to be usefu...

journal_title：Heredity

authors： Triest L,De Greef B,De Bondt R,Van Slycken J

更新日期：2000-05-01 00:00:00

abstract：:The theory, construction and optimization of a model of chromosome pairing in triploid hybrids are re-examined and the model reconstructed. A new approach to optimization is described that removes a bias in the estimation of x, the measure of relative affinity, by weighting the observed and calculated meiotic figure f...

journal_title：Heredity

authors： Chapman CGD,Kimber G

更新日期：1992-02-01 00:00:00

abstract：:Knowledge about the underlying genetic architecture of phenotypic traits is needed to understand and predict evolutionary dynamics. The number of causal loci, magnitude of the effects and location in the genome are, however, still largely unknown. Here, we use genome-wide single-nucleotide polymorphism (SNP) data from...

journal_title：Heredity

authors： Silva CNS,McFarlane SE,Hagen IJ,Rönnegård L,Billing AM,Kvalnes T,Kemppainen P,Rønning B,Ringsby TH,Sæther BE,Qvarnström A,Ellegren H,Jensen H,Husby A

更新日期：2017-09-01 00:00:00