Chromosome C-band polymorphism in relation to fertility in boars of the Duroc breed.

abstract：:Colostethus marchesianus from the type locality and three related species had 2n = 22 chromosomes, which differed from most other Colostethus species that have 2n = 24 chromosomes. The species analyzed were morphologically similar and showed a conservative karyotype, although they could be distinguished from each othe...

journal_title：Hereditas

authors： Veiga-Menoncello AC,Lima AP,Recco-Pimentel SM

更新日期：2003-01-01 00:00:00

abstract：:Here, the pathogenesis of an IFIH1 gene mutation is discussed through the analysis of a sporadic case of hereditary spastic paraplegia. Next-generation sequencing was performed for the patient and his family members to detect mutations at the IFIH1 locus. The patient and his father were found to carry the same heteroz...

journal_title：Hereditas

authors： Liu N,Chen J,Xu C,Shi T,Li J

更新日期：2019-08-13 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：:Dormancy release is an important phenological stage, which determines plant growth and survival in northern temperate regions. Spring bud flushing was studied in a Salix pedigree (n=82) derived from a cross between the male hybrid clone "Björn" (Salix viminalis x Salix schwerinii) and the female clone "78183" (Salix v...

journal_title：Hereditas

authors： Tsarouhas V,Gullberg U,Lagercrantz U

更新日期：2003-01-01 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：: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：:The genetic composition and sex ratio in the Stockholm populations of Adalia bipunctata have been studied. The overall frequency of melanics is 3.2%, which is significantly lower than in the populations of St. Petersburg and other large cities along the Baltic Sea. The secondary sex ratio in the Stockholm populations ...

journal_title：Hereditas

authors： Zakharov IA,Shaikevich EV

更新日期：2001-01-01 00:00:00

abstract：:Chromosome analysis was performed on samples from 20 Brazilian patients with breast cancer. All the samples were from untreated patients who presented the clinical symptoms for months or years before surgical intervention. Six cases showed axillary lymph node metastases. Clonal chromosome abnormalities were detected i...

journal_title：Hereditas

authors： Cavalli LR,Cavaliéri LM,Ribeiro LA,Cavalli IJ,Silveira R,Rogatto SR

更新日期：1997-01-01 00:00:00

abstract：:Recent development of cytogenetic techniques has facilitated significant progress in Arabidopsis thaliana karyotype studies. Double-target FISH with rRNA genes provides makers that allow individual chromosome in the genome to be distinguished. Those studies have revealed that the number and position of rDNA loci is ec...

journal_title：Hereditas

authors： Weiss H,Maluszynska J

更新日期：2000-01-01 00:00:00

abstract：:The extent and distribution of genetic variation in wild sorghum (Sorghum bicolor ssp. verticilliflorum (L.) Moench) collected from five different geographical regions in Ethiopia were analyzed using random amplified polymorphic DNA (RAPD) markers for 93 individuals representing 11 populations. Nine decamer primers ge...

journal_title：Hereditas

authors： Ayana A,Bekele E,Bryngelsson T

更新日期：2000-01-01 00:00:00

abstract：:Partial amphiploids between wheat (Triticum aestivum L.) and Thinopyrum species play an important role in the transfer and use of traits from alien species. A wheat-Thinopyrum intermedium partial amphiploid, TAI8335, and its alien parent were characterized by a combination of genomic in situ hybridization (GISH) and c...

journal_title：Hereditas

authors： Chang ZJ,Zhang XJ,Yang ZJ,Zhan HX,Li X,Liu C,Zhang CZ

更新日期：2010-12-01 00:00:00

abstract：:Chromosomal rearrangements have played a key role in the speciation of the New World sexual Artemia species (Crustacea, Anostraca) A. franciscana and A. persimilis. The species differ by a chromosome duplication (2n+2=44 in A. persimilis vs 2n=42 in A. franciscana), and a greater amount of heterochromatin (HCH) in A. ...

journal_title：Hereditas

authors： Parraguez M,Gajardo G,Beardmore JA

更新日期：2009-05-01 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：:Synaptonemal complex analysis, by electron microscopy of spread spermatocytes after phosphotungstic acid staining, made possible description of the chromosomal synaptic patterns and the synaptonemal complex karyotype of the pig (Sus scrofa domestica). The autosomal synaptic pattern in conjunction with the sex chromoso...

journal_title：Hereditas

authors： Villagómez DA

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND:The Mount Huang eastern honey bees (Apis cerana) are an endemic population, which is well adapted to the local agricultural and ecological environment. In this study, the genetic structure of seven eastern honey bees (A. cerana) populations from Mount Huang in China were analyzed by SSR (simple sequence repe...

journal_title：Hereditas

authors： Liu F,Shi T,Huang S,Yu L,Bi S

更新日期：2016-07-06 00:00:00

abstract：:The mammalian protein kinase D family is involved in manifold cellular processes including cell migration and motility. Recently it was shown that human PKD1 and PKD2 phosphorylate and thereby inhibit Slingshot 1 Like (SSH1L), a phosphatase which is central to the regulation of actin cytoskeletal dynamics. We noted be...

journal_title：Hereditas

authors： Nagel AC,Schmid J,Auer JS,Preiss A,Maier D

更新日期：2010-10-01 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：: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：:A high degree of polymorphism has been reported at the major histocompatibility class I chain-related gene A (MICA) locus, which is located 46 kb away from HLA-Bin the human major histocompatibility complex (MHC) class I region. Although it is known that the polymorphisms at the conventional MHC class I loci have been...

journal_title：Hereditas

authors： Ohashi J,Tokunaga K

更新日期：2000-01-01 00:00:00

abstract：:In this study, cytogenetic analysis of an infertile mare revealed a 64, XY karyotype. The XY sex-reversed animal had a female phenotype with gonadal dysgenesis. Using Southern blot analysis, we tested for the presence of two Y-specific genes SRY and ZFY by using DNA isolated from peripheral blood leukocytes. The resul...

journal_title：Hereditas

authors： Pailhoux E,Cribiu EP,Parma P,Cotinot C

更新日期：1995-01-01 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

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：BACKGROUND:Chromosome microdissection is one of the most important techniques in molecular cytogenetic research. Cotton (Gossypium Linnaeus, 1753) is the main natural fiber crop in the world. The resistance gene analog (RGA) cloning after its single chromosome microdissection can greatly promote cotton genome research ...

journal_title：Hereditas

authors： Cao X,Liu Y,Liu Z,Liu F,Wu Y,Zhou Z,Cai X,Wang X,Zhang Z,Wang Y,Luo Z,Peng R,Wang K

更新日期：2017-05-18 00:00:00

abstract：:A total of 1050 sorghum (Sorghum bicolor) and tef (Eragrostis tef) fields distributed in six study sites within north Shewa and south Welo (Central Highlands of Ethiopia) were systematically surveyed to examine the status of integration of edible oil crops into the cereal-based farming system. Farmers' criteria for, a...

journal_title：Hereditas

authors： Geleta M,Asfaw Z,Bekele E,Teshome A

更新日期：2002-01-01 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：:Ur1 enhances secondary rachis-branching, resulting in more spikelets per panicle. This genic effect can increase grain yield by enlarging sink size. We conducted mapping of Ur1 using SSR markers, and detected markers usable for the MAS (marker-assisted selection) for Ur1. Three Ur1 isogenic lines of recurrent parents ...

journal_title：Hereditas

authors： Imai K,Murai M,Hao Y,Chiba Y,Chiba A,Ishikawa R

更新日期：2009-12-01 00:00:00

abstract：BACKGROUND:The common fig (Ficus carica L.) is a gynodioecious species with two sexual forms: male trees (caprifigs) with male and female flowers and female trees that produce only female flowers that will result in the edible fig syconium. In this study the genetic diversity of 20 Tunisian accessions of caprifig is an...

journal_title：Hereditas

authors： Essid A,Aljane F,Ferchichi A,Hormaza JI

更新日期：2015-10-22 00:00:00

abstract：:Trees of 68 apple cultivars, aimed for preservation by the 'National Program for diversity of cultivated plants' as mandate cultivars, were analysed using a set of 10 SSR (simple sequence repeat) primer pairs and the self-incompatibility (S-)locus to evaluate genetic diversity and reveal inter-cultivar relationships. ...

journal_title：Hereditas

authors： Garkava-Gustavsson L,Kolodinska Brantestam A,Sehic J,Nybom H

更新日期：2008-06-01 00:00:00

abstract：BACKGROUND:The molecular out of Africa hypothesis, OOAH, has been considered as an established fact amid population geneticists for some 25-30 years despite the early concern with it among phylogeneticists with experience beyond that of Homo. The palaeontological support for the hypothesis is also questionable, a circu...

journal_title：Hereditas

authors： Árnason Ú,Hallström B

更新日期：2020-12-19 00:00:00

abstract：:The present study characterizes the satellite DNA of the cave beetle Pholeuon proserpinae glaciale which represent about 3-5 % of its genome, and which is composed of monomers of 266 bp and 70.5 % A-T. Concerted evolution seems to act on a higher-order repeat, a dimer, composed of two types of 266-bp monomers that dif...

journal_title：Hereditas

authors： Pons J,Bucur R,Vogler AP

更新日期：2003-01-01 00:00:00