Molecular analysis of an XY mare with gonadal dysgenesis.

abstract：:To further understand the relationships between the SS genome of Sinapis arvensis and the AA, BB genomes in Brassica, genomic DNA of Sinapis arvensis was hybridized to the metaphase chromosomes of Brassica nigra (BB genome), and the metaphase chromosomes and interphase nucleus of Brassica rapa (AA genome) by comparati...

journal_title：Hereditas

authors： Mao S,Han Y,Wu X,An T,Tang J,Shen J,Li Z

更新日期：2012-06-01 00:00:00

abstract：:Alloploids, most of them hexaploid, from crosses between tetraploid wheat, Triticum carthlicum, and the perennial tetraploid Thinopyrum junceiforme were analysed for chromosome composition, stability and fertility using genomic in situ hybridization and meiotic analysis. The alloploids differed in their total number o...

journal_title：Hereditas

authors： Ellneskog-Staam P,Merker A

更新日期：2002-01-01 00:00:00

abstract：:In several branches derived from an inbred line of Drosophila melanogaster, transitions from R- to I-type in the I-R system have been observed. After a recent split into two branches of an R-type (+)-K subline, one branch showed, on retesting, an alteration to I-type. Genome from the R-type (+)-K branch was introduced...

journal_title：Hereditas

authors： Wu X

更新日期：1990-01-01 00:00:00

abstract：:The dogroses, Rosa section Caninae, are all polyploid and characterised by their unbalanced meiosis; the pollen parent contributes one genome, whereas the seed parent contributes 3-5 genomes depending upon ploidy level of the species. As a result, genetically determined traits are expected to be matroclinally inherite...

journal_title：Hereditas

authors： Werlemark G,Nybom H

更新日期：2001-01-01 00:00:00

abstract：:Chromosomes were studied in cultured material from two different areas of a human mucoepidermoid carcinoma. The detailed banding analyses showed no less than 41 different karyotypes. Comparisons between these revealed (1) that the tumour probably had originated with a normal, diploid stemline; (2) that the progression...

journal_title：Hereditas

authors： Mark J,Sandros J,Wedell B,Dahlenfors R,Stenman G

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND:Tomatoes provide a significant dietary source of the carotenoids, lycopene and β-carotene. During ripening, carotenoid accumulation determines the fruit colors while chlorophyll degradation. These traits have been, and continue to be, a significant focus for plant breeding efforts. Previous work has found st...

journal_title：Hereditas

authors： Manoharan RK,Jung HJ,Hwang I,Jeong N,Kho KH,Chung MY,Nou IS

更新日期：2017-01-11 00:00:00

abstract：:In general, cyclins control the cell cycle. Not so the atypical cyclins, which are required for diverse cellular functions such as for genome stability or for the regulation of transcription and translation. The atypical Cyclin G (CycG) gene of Drosophila has been involved in the epigenetic regulation of abdominal seg...

journal_title：Hereditas

authors： Nagel AC,Szawinski J,Fischer P,Maier D,Wech I,Preiss A

更新日期：2012-10-01 00:00:00

abstract：:In a study of the variation of fertility in boars of the Duroc breed from Danish AI stations, chromosome investigation has been conducted on 11 boars with high and 11 with low fertility, respectively, out of a total of 98 boars having normal semen quality according to AI standards. All 22 boars had the normal chromoso...

journal_title：Hereditas

authors： Christensen K,Pedersen JO

更新日期：1990-01-01 00:00:00

abstract：:Relative courtship success of mutant Drosophila melanogaster males was found to vary with sex ratio. Males with one of three recessive mutants: White, vermilion, or vestigial, competed with wild type males for females. Female-biased sex ratios were associated with increased success of all three different mutant phenot...

journal_title：Hereditas

authors： Just J,Markow T

更新日期：1989-01-01 00:00:00

abstract：:Meiotic studies are carried out in 7 species of Eryngium L. (Saniculoideae, Apiaceae), belonging to both sections Foetida and Panniculata. The chromosome number of E. dorae Norm. (n=8) (Foetida) is reported for the first time, while the gametic chromosome number of E. nudicaule Lam. (n=7) (Foetida) and E. eburneum Dec...

journal_title：Hereditas

authors： O'Leary N,Calviño CI,Greizerstein E,Martínez S,Poggio L

更新日期：2004-01-01 00:00:00

abstract：:We determined the sequence of ribosomal DNA (rDNA) intergenic spacer (IGS) of foxtail millet isolated in our previous study, and identified subrepeats in the polymorphic region. We also developed a PCR-based method for identifying rDNA types based on sequence information and assessed 153 accessions of foxtail millet. ...

journal_title：Hereditas

authors： Fukunaga K,Ichitani K,Taura S,Sato M,Kawase M

更新日期：2005-02-01 00:00:00

abstract：Background:Jerusalem artichoke (Helianthus tuberosus L.) is a characteristic crop in the Qinghai-Tibet Plateau which has rapidly developed and gained socioeconomic importance in recent years. Fructans are abundant in tubers and represent the foundation for their formation, processing and utilization of yield; and are a...

journal_title：Hereditas

authors： Yang S,Sun X,Jiang X,Wang L,Tian J,Li L,Zhao M,Zhong Q

更新日期：2019-02-06 00:00:00

abstract：BACKGROUND:The Drosophila hindgut is commonly used model for studying various aspects of organogenesis like primordium establishment, further specification, patterning, and morphogenesis. During embryonic development of Drosophila, many transcriptional activators are involved in the formation of the hindgut. The transc...

journal_title：Hereditas

authors： Hildebrandt K,Bach N,Kolb D,Walldorf U

更新日期：2020-11-19 00:00:00

abstract：:The influence of environmental ethanol on different fitness components and the larval activities of some enzymes were studied in three strains of Drosophila melanogaster. All three strains carried the AdhS-alphaGpdhF allele combination on their second chromosomes while they had unique allele combinations at the Odh an...

journal_title：Hereditas

authors： Bokor K,Pecsenye K

更新日期：1997-01-01 00:00:00

abstract：:The banding pattern of the proximal half of the polytene salivary gland X chromosome of Drosophila melanogaster was studied using thin section electron microscopy. The bands were identified according to Bridges' revised light microscopic map. On Bridges' map, the divisions 11 to 20 contain 112 single bands and as many...

journal_title：Hereditas

authors： Saura AO,Heino TI,Sorsa V

更新日期：1993-01-01 00:00:00

abstract：:The amount and distribution of genetic variation was investigated in 48 sorghum landrace accessions, representing 13 regions of origin and three adaptation zones (lowland, intermediate and highland elevation) in Ethiopia and Eritrea. Assaying 11 enzymes systems, 23 putative loci were scored for a total of 27 alleles. ...

journal_title：Hereditas

authors： Ayana A,Bryngelsson T,Bekele E

更新日期：2001-01-01 00:00:00

abstract：:Physical locations of 45S and 5S rDNA were detected in maize by fluorescence in situ hybridization (FISH). The FISH results on metaphase chromosome spreads showed the 45S rDNA was located just at the nucleolus organizer region (NOR) on 6S (the short arm) of chromosome 6) as expected, and 5S rDNA at the distal region o...

journal_title：Hereditas

authors： Li L,Arumuganathan K

更新日期：2001-01-01 00:00:00

abstract：:Behaviour of acrocentric chromosome synaptonemal complexes (SCs) and constitutive heterochromatin (C-band) during meiotic prophase I of the male domestic pig was studied using surface spreading and silver staining techniques. At late zygotene C-band regions of complete or incomplete SCs of the acrocentric chromosomes ...

journal_title：Hereditas

authors： Bhagirath T

更新日期：1990-01-01 00:00:00

abstract：Background:Bladder cancer was a malignant disease in patients, our research aimed at discovering the possible biomarkers for the diseases. Results:The gene chip GSE31684, including 93samples, was downloaded from the GEO datasets and co-expression network was constructed by the data. Molecular complex detection(MCODE) ...

journal_title：Hereditas

authors： Di Y,Chen D,Yu W,Yan L

更新日期：2019-01-28 00:00:00

abstract：:Tos17 is a copia-like endogenous retrotransposon of rice, which can be activated by various stresses such as tissue culture and alien DNA introgression. To confirm element mobilization by introgression and to study possible structural and epigenetic effects of Tos17 insertion on its target sequences, we isolated all f...

journal_title：Hereditas

authors： Han FP,Liu ZL,Tan M,Hao S,Fedak G,Liu B

更新日期：2004-01-01 00:00:00

abstract：Background:Elymus sibiricus is an important native grass in Qinghai-Tibetan Plateau. Seed shattering is a serious problem for E. sibiricus, especially at harvest time. Cross breeding is an effective way to create new varieties with beneficial characteristic or improved traits, and to broaden genetic base. Results:In t...

journal_title：Hereditas

authors： Zhao X,Zhang J,Zhang Z,Wang Y,Xie W

更新日期：2017-12-12 00:00:00

abstract：:Heredity can be followed in persons or in genes. Persons can be identified only a few generations back, but simplified models indicate that universal ancestors to all now living persons have occurred in the past. Genetic variability can be characterized as variants of DNA sequences. Data are available only from living...

journal_title：Hereditas

authors： Rasmuson M

更新日期：2008-02-01 00:00:00

abstract：:Twenty enzyme loci were investigated using starch gel electrophoresis in managed populations of red deer (Cervus elaphus) and sika deer (C. nippon) from Ireland. The red deer, which originated from several European countries, were polymorphic (%P) at 25% of the loci examined and exhibited a mean heterozygosity (H) of ...

journal_title：Hereditas

authors： Linnell JC,Cross TF

更新日期：1991-01-01 00:00:00

abstract：:Allelic diversity and inheritance of polymorphic sites of the intron III-exon IV region of the seed specific beta-amylase gene Bmy1 were studied in a set of 55 barley accessions composed mainly of old Latvian and Scandinavian commercial varieties and three Hordeum spontaneum lines from Israel. A CAPS-marker was used f...

journal_title：Hereditas

authors： Sjakste T,Röder M

更新日期：2004-01-01 00:00:00

abstract：:Females of two Drosophila virilis group species, D. virilis and D. montana, have different requirements for the courting males. In the present study we have examined species differences in female receptivity and male courtship song requirement using females' acceptance signal instead of copulation for measuring female...

journal_title：Hereditas

authors： Isoherranen E,Aspi J,Hoikkala A

更新日期：1999-01-01 00:00:00

abstract：:The banding pattern of the proximal half of the polytene salivary gland 3R chromosome of Drosophila melanogaster was studied with thin section electron microscopy. Bands were identified according to Bridges' revised light microscopic map, which contains 330 single and 121 double bands within the regions 81 through 90....

journal_title：Hereditas

authors： Saura AO,Heino TI,Sorsa V

更新日期：1994-01-01 00:00:00

abstract：:The RAPD technique was found to provide reliable genetic markers in barley. A linkage study of 23 RAPDs, 28 RFLPs, and 29 gene loci was conducted on 72 chromosome-doubled haploid progeny lines from a barley cross. The resulting linkage map covered 680 cM, about half of the barley genome. RAPD markers were distributed ...

journal_title：Hereditas

authors： Giese H,Holm-Jensen AG,Mathiassen H,Kjaer B,Rasmussen SK,Bay H,Jensen J

更新日期：1994-01-01 00:00:00

abstract：:Relationships among developmental stability, sexual selection, and body size were examined in the cactophilic fly Drosophila buzzatii. Developmental stability, as measured in terms of fluctuating asymmetry (FA) of wing length, was positively associated to male's copulatory success in a mass-mating experiment with wild...

journal_title：Hereditas

authors： Norry FM,Vilardi JC,Hasson E

更新日期：1998-01-01 00:00:00

abstract：:The association between recombination rate and diversity, but not divergence is considered to be driven mainly by natural selection: fixation of positively selected variants and associated hitchhiking effects and/or background selection eliminating deleterious alleles. In the present study, we investigated the relatio...

journal_title：Hereditas

authors： Rao Y,Sun L,Nie Q,Zhang X

更新日期：2011-04-01 00:00:00

abstract：:It has been reported that oxidative stress is a factor in cerebral infarction (CI). Extracellular superoxide dismutase (EC-SOD) is important in preventing oxidative stress, and the cerebral infarct size of EC-SOD knockout mice is significantly larger than that in wild-type controls. The aim of this study was to invest...

journal_title：Hereditas

authors： Naganuma T,Nakayama T,Sato N,Fu Z,Soma M,Aoi N,Hinohara S,Doba N,Usami R

更新日期：2008-12-01 00:00:00