Abstract:
:For morphological traits that are negatively correlated, the genetic correlation (rg) between them might strongly influence patterns of morphological divergence and shape. Here, the pattern of divergence between two sibling species of cactophilic Drosophila, D. buzzatii and D. koepferae, is examined for two traits that are known to be negatively correlated in other Drosophila species: face width (FW) and width of both eyes (EW). Head width (HW, the sum of FW and EW, i. e. the total width of the head capsule) was also examined. Genetic and phenotypic correlations were estimated in the laboratory G2 generation of a sample of wild D. buzzatii derived from a population where D. koepferae is not present. Phenotypic correlations were also estimated in D. buzzatii and D. koepferae from another, very different, population where the species are sympatric. Consistent with studies in other Drosophila species, rg was negative and significant for the correlation between FW and EW, and positive (but nonsignificant at a matrix-wide P-value of 0.05) for the correlations of HW with both FW and EW. This well-defined correlation pattern was also consistent with the phenotypic correlations in both D. buzzatii and D. koepferae. No significant difference in these traits was detected between D. buzzatii populations, but head shape has diverged between D. buzzatii and D. koepferae. Specifically, the two negatively correlated traits, FW and EW, have evolved in opposite directions in these two species, with HW showing no significant interspecific difference. The overall picture of this divergence pattern shows a striking concordance with the present evidence of negative correlations between FW and EW, and is consistent with the notion of rg-related constraints on the pattern of interspecific differentiation.
journal_name
Heredity (Edinb)journal_title
Heredityauthors
Norry FM,Vilardi JC,Hasson Edoi
10.1046/j.1365-2540.2000.00735.xkeywords:
subject
Has Abstractpub_date
2000-08-01 00:00:00pages
177-83eissn
0018-067Xissn
1365-2540pii
her735journal_volume
85 ( Pt 2)pub_type
杂志文章相关文献
HEREDITY文献大全abstract::Podisma pedestris exists as both an XO and neoXY form in the Southern French Alps. These chromosome types are shown to be contiguously allopatric and hybrid populations have been located in several places. Hybridisation appears to be occurring freely, but the hybrid zones are quite narrow. In several places the two di...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/hdy.1975.108
更新日期:1975-12-01 00:00:00
abstract::Understanding the evolution of female multiple mating (polyandry) is crucial for understanding sexual selection and sexual conflict. Despite this interest, little is known about its genetic basis or whether genetics influences the evolutionary origin or maintenance of polyandry. Here, we explore the quantitative genet...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800897
更新日期:2007-02-01 00:00:00
abstract::Differences in behaviour between individuals in populations living in different environments may result from evolution proceeding differently in each population. The parasitoid wasp Cotesia glomerata (L.) (Hymenoptera: Braconidae) parasitizes early instar larvae of butterflies in the family Pieridae. In the study area...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1046/j.1365-2540.1999.00549.x
更新日期:1999-08-01 00:00:00
abstract::Flowering time differences between metal-tolerant and nontolerant populations of the grass Anthoxanthum odoratum growing across a mine boundary have persisted for over 40 years. These flowering time differences result in a high degree of prezygotic genetic isolation (isolation index=0.43) between the tolerant mine pop...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800835
更新日期:2006-07-01 00:00:00
abstract::Insect cuticle melanism is linked to a number of life-history traits, and a positive relationship is hypothesized between melanism and the strength of immune defense. In this study, the phenotypic and genetic relationships between cuticular melanization, innate immune defense, individual development time and body size...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/hdy.2013.20
更新日期:2013-08-01 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
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800018
更新日期:2002-02-01 00:00:00
abstract::The widespread and locally massive introgression of Y chromosomes of the eastern house mouse (Mus musculus musculus) into the range of the western subspecies (M. m. domesticus) in Central Europe calls for an explanation of its underlying mechanisms. Given the paternal inheritance pattern, obvious candidates for traits...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/s41437-020-0330-z
更新日期:2020-10-01 00:00:00
abstract::Environmental stress generally exacerbates the harmful effects of inbreeding and it has been proposed that this could be exploited in purging deleterious alleles from threatened inbred populations. However, understanding what factors contribute to variability in the strength of inbreeding depression (ID) observed acro...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/hdy.2015.103
更新日期:2016-03-01 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
pub_type: 杂志文章
doi:10.1038/hdy.1989.10
更新日期:1989-02-01 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
pub_type: 杂志文章
doi:10.1038/hdy.2014.102
更新日期:2015-05-01 00:00:00
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
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800409
更新日期:2004-04-01 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
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800601
更新日期:2005-03-01 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
pub_type: 杂志文章
doi:10.1038/hdy.2011.41
更新日期:2011-12-01 00:00:00
abstract::The pattern of colonization of a forest site by the ectomycorrhizal basidiomycete fungus Hebeloma cylindrosporum Romagnesi was followed from 1993 until 1997. Fruit-bodies of this tetrapolar heterothallic species were mapped, collected and propagated as pure mycelial cultures. Isolates were analysed for their mating-ty...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1046/j.1365-2540.2000.00668.x
更新日期:2000-03-01 00:00:00
abstract::The fixation of major chromosomal rearrangements with a heterozygote disadvantage is modelled as a simple example of Wright's shifting balance process of evolution in a strongly subdivided population. Chromosomal mutations with an inferior heterozygote become fixed in a local population (or deme) by random genetic dri...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/hdy.1985.43
更新日期:1985-06-01 00:00:00
abstract::The long generation time and large effective size of widespread forest tree species can result in slow evolutionary rate and incomplete lineage sorting, complicating species delimitation. We addressed this issue with the African timber tree genus Milicia that comprises two morphologically similar and often confounded ...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/hdy.2014.5
更新日期:2014-07-01 00:00:00
abstract::Increasing attention has been paid to the maternally inherited microbes that are capable of manipulating the reproduction of their hosts for their own benefit. Although several studies have revealed that the host genotype can affect the intensity of the manipulation, the underlying genetic basis is poorly understood. ...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/hdy.2009.14
更新日期:2009-05-01 00:00:00
abstract::Haplodiploidy is one of the most widespread mechanisms of sex determination in animals. In many Hymenoptera, including all hitherto investigated social species, diploid individuals, which are heterozygous at the sex locus, develop as females, whereas haploid, hemizygous individuals develop as males (single-locus compl...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800846
更新日期:2006-07-01 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
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800308
更新日期:2003-11-01 00:00:00
abstract::Sex chromosomes are predicted to harbour elevated levels of sexually antagonistic variation due to asymmetries in the heritability of recessive traits in the homogametic versus heterogametic sex. This evolutionary dynamic may manifest as high recessive load specifically affecting the homogametic sex, and the retention...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/s41437-020-0316-x
更新日期:2020-08-01 00:00:00
abstract::The influence of population size and spatial isolation on contemporary gene flow by pollen and mating patterns in temperate forest trees are not well documented, although they are crucial factors in the life history of plant species. We analysed a small, isolated population and a large, continuous population of the in...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800962
更新日期:2007-07-01 00:00:00
abstract::How does genetic diversity within populations of plants develop during primary succession on alpine glacier forelands? Theory predicts that pioneer populations are characterized by low genetic diversity due to founder effects and that genetic diversity increases within populations as they mature and recurrent gene flo...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/hdy.2008.8
更新日期:2008-05-01 00:00:00
abstract::We studied the mating system of white spruce (Picea glauca) in a landscape fragmented by agriculture in northern Ontario, Canada. We sampled 23 stands that ranged in size from 1 to >500 trees isolated by 250-3000 m from the nearest other stand. Six polymorphic allozyme loci from four enzyme systems were used to genoty...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800886
更新日期:2006-12-01 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
pub_type: 杂志文章
doi:10.1038/hdy.2014.126
更新日期:2015-10-01 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
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800110
更新日期:2002-08-01 00:00:00
abstract::Cultural transmission may depend on the non-genetic transfer of information from parent to offspring. The consequences of such cultural transmission for continuous variation are investigated theoretically for randomly mating populations. Cultural inheritance may act on genetical and environmental differences between i...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/hdy.1976.64
更新日期:1976-08-01 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
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800941
更新日期:2007-05-01 00:00:00
abstract::Lung cancer is the leading cause of cancer deaths in both men and women in the US. While most sporadic lung cancer cases are related to environmental factors such as smoking, genetic susceptibility may also play an important role and a number of lung cancer associated single-nucleotide polymorphisms (SNPs) have been i...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/s41437-018-0063-4
更新日期:2018-12-01 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
pub_type: 杂志文章
doi:10.1038/sj.hdy.6800143
更新日期:2002-10-01 00:00:00
abstract::To address the multiple challenges to food security posed by global climate change, population growth and rising incomes, plant breeders are developing new crop varieties that can enhance both agricultural productivity and environmental sustainability. Current breeding practices, however, are unable to keep pace with ...
journal_title:Heredity
pub_type: 杂志文章
doi:10.1038/hdy.2015.113
更新日期:2016-04-01 00:00:00