Patterns in genetic diversity of Trifolium pallescens populations do not reflect chronosequence on alpine glacier forelands.

abstract：:Fluorescence in situ hybridization (FISH) was used to localize two transgenes (gus and bar), carried on plasmids pACT-1F and pUBA, respectively, on mitotic metaphase squashes of T1 plants of the cultivated hexaploid oat Avena sativa L. cotransformed by microprojectile bombardment of embryogenic callus. Among the eight...

journal_title：Heredity

authors： Leggett JM,Perret SJ,Harper J,Morris P

更新日期：2000-01-01 00:00:00

abstract：:Genetic variation was studied in quantitative traits and molecular markers in six natural Scandinavian populations of Arabidopsis thaliana. Only two of the populations had several molecular marker haplotypes and significant between-family variance components in quantitative traits. There was no genetic variation in th...

journal_title：Heredity

authors： Kuittinen H,Mattila A,Savolainen O

更新日期：1997-08-01 00:00:00

abstract：:A model involving a specific pairing of homologous double-stranded nucleic acid molecules is applied to some parts of genetic recombination. The most original features of this application of the model relate to the initiation process, a part of which can be described by a highly compact and symmetrical structure. The ...

journal_title：Heredity

authors： McGavin S

更新日期：1977-08-01 00:00:00

abstract：:As important as the events that influence selection for specific chromosome types in the derivation of novel karyotypes, are the events that initiate the changes in chromosome number and structure between species, and likewise polymorphisms, variants and disease states within species. Although once thought of as trans...

journal_title：Heredity

authors： Brown JD,Mitchell SE,O'Neill RJ

更新日期：2012-01-01 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：:Advances in the use of molecular markers to elucidate the inheritance of quantitative traits enable the integration of genetic information on physiological traits into crop growth models. The objective of this study was to assess the ability of a crop growth model with QTL-based estimates of physiological input parame...

journal_title：Heredity

authors： Yin X,Chasalow SD,Dourleijn CJ,Stam P,Kropff MJ

更新日期：2000-12-01 00:00:00

abstract：:Haploid nuclear DNA of 23 species of Aedes, as determined by Feulgen cytophotometry, was found to vary 3-fold. This was accompanied by a 2-fold variation in total chromosomal length. There was a significant correlation (r = 0.765, P less than 0.001) between these two parameters. Genome size varied from 0.87 pg to 1.3 ...

journal_title：Heredity

authors： Rao PN,Rai K

更新日期：1987-10-01 00:00:00

abstract：:A technique for the examination of chromosomes in testicular material in Nucella lapillus is described. The diploid chromosome number varies between 26 and 36. Eight pairs of meatcentric chromosomes are always present and range in size from 9mu to 4mu. Additionally, 10 pairs of acrocentric chromosomes (4mu to 1mu) are...

journal_title：Heredity

authors： Bantock CR,Cockayne WC

更新日期：1975-04-01 00:00:00

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：:The genome size and the base composition (GC%) of eight Hypochaeris species were determined by flow cytometry in order to establish the pattern of nuclear DNA variation within the genus. The species analysed showed an almost fivefold range of variation from 1.68 pg in H. cretensis to 8.10 pg in H. uniflora. This varia...

journal_title：Heredity

authors： Cerbah M,Coulaud J,Brown SC,Siljak-Yakovlev S

更新日期：1999-04-01 00:00:00

abstract：:Genetic analyses of population structure can be placed in explicit environmental contexts if appropriate environmental data are available. Here, we use high-coverage and high-resolution oceanographic and genetic sequence data to assess population structure patterns and their potential environmental influences for hump...

journal_title：Heredity

authors： Mendez M,Subramaniam A,Collins T,Minton G,Baldwin R,Berggren P,Särnblad A,Amir OA,Peddemors VM,Karczmarski L,Guissamulo A,Rosenbaum HC

更新日期：2011-10-01 00:00:00

abstract：:MtDNA restriction fragment polymorphisms were found between cytoplasmic male-sterility types P and R of Plantago lanceolata with the homologous probe pPl311 and maize mtDNA fragments derived from the regions of atp1, cox1 and cox2. No mtDNA differences were observed between male- sterile and restored plants with the s...

journal_title：Heredity

authors： Groenendijk CF,Sandbrink JM,Brederode JV,van Damme JM

更新日期：1997-01-01 00:00:00

abstract：:In wide-ranging taxa with historically dynamic ranges, past allopatric isolation and range expansion can both influence the current structure of genetic diversity. Considering alternate historical scenarios involving expansion from either a single refugium or from multiple refugia can be useful in differentiating the ...

journal_title：Heredity

authors： Reid BN,Kass JM,Wollney S,Jensen EL,Russello MA,Viola EM,Pantophlet J,Iverson JB,Peery MZ,Raxworthy CJ,Naro-Maciel E

更新日期：2019-04-01 00:00:00

abstract：:Paternity analysis based on eight microsatellite loci was used to investigate pollen and seed dispersal patterns of the dioecious wind-pollinated tree, Araucaria angustifolia. The study sites were a 5.4 ha isolated forest fragment and a small tree group situated 1.7 km away, located in Paranalpha State, Brazil. In the...

journal_title：Heredity

authors： Bittencourt JV,Sebbenn AM

更新日期：2007-12-01 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：: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：:The course of adaptation to heterogeneous environments is influenced by the magnitude of genetic variation for ecologically important characters within each environment and the extent of genotype x environment interaction. Using the genetic correlation between the expression of characters in different environments as ...

journal_title：Heredity

authors： Via S,Conner J

更新日期：1995-01-01 00:00:00

abstract：:Recent molecular evidence has shown that many MHC polymorphisms are not only shared between species but are in fact identical at the molecular level. Species that share these polymorphisms may be very distantly related and often diverged millions of generations ago. It is now known that this phenomenon is very unlikel...

journal_title：Heredity

authors： Golding B

更新日期：1992-03-01 00:00:00

abstract：:In the mosquito Culex pipiens, over-production of esterases is a common insecticide resistance mechanism. Different alleles at the esterase A and B loci are known to occur in natural populations, as shown by enzyme electrophoresis and RFLP studies on the esterase B locus. Here we analyse the variability of the esteras...

journal_title：Heredity

authors： Guillemaud T,Rooker S,Pasteur N,Raymond M

更新日期：1996-11-01 00:00:00

abstract：:A cline in the frequency of melanic morphs of the two-spot ladybird, Adalia bipunctata, was first surveyed in 1980 along a transect extending inland from the coast in the Netherlands. At that time, the frequency of melanics increased over some 40 km from 10% near the coast to nearly 60% inland. Additional surveys made...

journal_title：Heredity

authors： Brakefield PM,de Jong PW

更新日期：2011-12-01 00:00:00

abstract：:The activity of transposable elements can be induced by environmental and population factors and in particular by stresses in various organisms. A consequence of the increase in transposable element mobility is the creation of new genetic variability that can be useful in the face of stressful conditions. In this revi...

journal_title：Heredity

authors： Capy P,Gasperi G,Biémont C,Bazin C

更新日期：2000-08-01 00:00:00

abstract：:Experiments were carried out to correlate the cytological localization of DNA polymerase alpha with the presence of its specific mRNA in human lymphocytes studied at different times after phytohaemagglutinin stimulation. Our data indicated that in resting cells it is not possible to detect DNA polymerase alpha protein...

journal_title：Heredity

authors： Ennas MG,Suzuki H,Menegazzi M,Carcereri A,Hanaoka F,Gremo F,Nieddu M,Mezzanotte R

更新日期：1996-08-01 00:00:00

abstract：:The parapatric distribution of genetically divergent lineages in hybrid zones can be maintained by ecological differences (dispersal-independent 'ecotonal' hybrid zones), by frequency- and density-dependent interference when they intermingle and mate (dispersal-dependent 'tension' hybrid zones), or by both processes a...

journal_title：Heredity

authors： Dorken ME,Pannell JR

更新日期：2007-07-01 00:00:00

abstract：:Climatic changes have played major roles in plants' evolutionary history. Glacial oscillations have been particularly important, but some of their effects on plants' populations are poorly understood, including the numbers and locations of refugia in Asian warm temperate zones. In the present study, we investigated th...

journal_title：Heredity

authors： Aoki K,Tamaki I,Nakao K,Ueno S,Kamijo T,Setoguchi H,Murakami N,Kato M,Tsumura Y

更新日期：2019-03-01 00:00:00

abstract：:Although allelic variants at a locus usually are expressed either dominantly or co-dominantly, there are many cases when a gene is dominantly expressed in some individuals and co-dominantly in others. We present a maximum-likelihood procedure for allele frequency estimation in such situations of "incomplete" co-domina...

journal_title：Heredity

authors： Jorde PE,Ryman N

更新日期：1990-12-01 00:00:00

abstract：:Relatedness between individuals is central to ecological genetics. Multiple methods are available to quantify relatedness from molecular data, including method-of-moment and maximum-likelihood estimators. We describe a maximum-likelihood estimator for autopolyploids, and quantify its statistical performance under a ra...

journal_title：Heredity

authors： Huang K,Guo ST,Shattuck MR,Chen ST,Qi XG,Zhang P,Li BG

更新日期：2015-02-01 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 have used the polymerase chain reaction (PCR) and restriction fragment length polymorphism (RFLP) techniques to design two genetic markers for blue mussels in the Mytilus edulis species complex. Both of these markers target the gene encoding the mussel polyphenolic adhesive protein. The first marker, Glu-5', is hig...

journal_title：Heredity

authors： Rawson PD,Joyner KL,Meetze K,Hilbish TJ

更新日期：1996-12-01 00:00:00

abstract：:We present a study of fine-scale spatial genetic structure (SGS) and assess the impact of seed and pollen dispersal on the pattern of genetic diversity in the predominantly selfing Hordeum spontaneum. The study included (1) direct measurement of dispersal in a controlled environment, and (2) analyses of SGS and estima...

journal_title：Heredity

authors： Volis S,Zaretsky M,Shulgina I

更新日期：2010-10-01 00:00:00

abstract：:Prolific breeds of domestic sheep (Ovis aries) are important genetic resources due to their reproductive performance, which is characterized by multiple lambs per birth and out-of-season breeding. However, the lack of a comprehensive understanding of the genetic mechanisms underlying the important reproductive traits,...

journal_title：Heredity

authors： Yang J,Li X,Cao YH,Pokharel K,Hu XJ,Chen ZH,Xu SS,Peippo J,Honkatukia M,Kantanen J,Li MH

更新日期：2019-02-01 00:00:00