Mapping of rice Ur1 (Undulated rachis-1) gene with effect on increasing spikelet number per panicle and sink size, and development of selection markers for the breeding by the use of Ur1.

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: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：BACKGROUND:The methylenetetrahydrofolate reductase (MTHFR) rs1801131 A/C variant results in a decrease in MTHFR enzymatic activity, which may play an important role in folate metabolism and is also an important source of DNA methylation and DNA synthesis. Several case-control studies have been conducted to assess the a...

journal_title：Hereditas

authors： Xu S,Zuo L

更新日期：2020-04-27 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：: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：:Variation of the size of silver-stained nucleolar organizer regions (NORs) of chromosomes 10 and 8 was studied in pigs of six breeds (Sus scrofa L.). The silver deposits were quantified by image analysis and the results were normalized for each Ag-NOR chromosome. In general, normalized values for chromosomes 10 were h...

journal_title：Hereditas

authors： Mellink CH,Bosma AA,De Haan NA

更新日期：1994-01-01 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：:Microsatellites have become the most important class of markers for mapping procedures. Primarily based on restriction fragment length polymorphism (RFLP) markers, several molecular genetic maps of maize have been developed, mainly using temperate inbred maize lines. To characterize the level of polymorphism of micros...

journal_title：Hereditas

authors： Sibov ST,de Souza CL Jr,Garcia AA,Garcia AF,Silva AR,Mangolin CA,Benchimol LL,de Souza AP

更新日期：2003-01-01 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：:We have characterized a new X-chromosomal inversion in Drosophila melanogaster, extending from just distal of white to just proximal of the bb locus. The inversion places the w-isoxanthopterinless (wis) allele close to heterochromatin and under the influence of position-effect variegation (PEV). The wis gene activity ...

journal_title：Hereditas

authors： Rasmuson-Lestander A,Larsson J,Rasmuson B

更新日期：1993-01-01 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：:Lymphocytes from 21 male smokers, 10 untreated lung cancer patients, and 11 controls were cultured with and without exposure to mitomycin C. There were no differences between the chromosome aberration frequencies in the two groups: the spontaneous aberration frequency was 8.5% among patients and 8.4% among controls, w...

journal_title：Hereditas

authors： Johansson M,Orndal C

更新日期：1989-01-01 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：Background:Cervical cancer is a malignancy that's common in female with high incidence and mortality worldwide. MicroRNAs (miRNAs) act a pivotal part in human cancer development. Our aim was to investigate the effect of miR-126 on cervical cancer and its underlying molecular mechanism. Results:Firstly, RT-qPCR assay r...

journal_title：Hereditas

authors： Xu J,Wang H,Wang H,Chen Q,Zhang L,Song C,Zhou Q,Hong Y

更新日期：2019-04-09 00:00:00

abstract：:The current work describes, for the first time, the occurrence of B chromosomes in the genus Pimelodus. Cytogenetic analysis in P. ortmanni and Pimelodus sp., from the river Iguaçu basin, revealed a diploid number of 56 chromosomes. Whereas distribution pattern of C-banding in Pimelodus sp. showed predominance of hete...

journal_title：Hereditas

authors： Borin LA,Martins-Santos IC

更新日期：2004-01-01 00:00:00

abstract：:We have examined HLA-A and HLA-B in a large sample of families of South Amerindians for non-random mating and for Mendelian segregation in their progeny. The proportion of couples sampled for mating averaged over 50% of the total matings with progeny for 10 of the 11 tribes with 10 or more known matings. In nearly all...

journal_title：Hereditas

authors： Hedrick PW,Black FL

更新日期：1997-01-01 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：:Temperature sensitive experiments on the interaction of Abruptex mutations of the Notch locus and Enhancer of split indicate that the effect of temperature on the development of macrochaeta and wing venation is different. This suggest that Notch affects the development of macrochaeta and wing venation in different and...

journal_title：Hereditas

authors： Grushko T,Rantanen M,Portin P

更新日期：1998-01-01 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：: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：:A recombinant inbred line (RIL) population from a cross between 'HH1B' and 'RSB02' (a deep-water rice variety with resistance to sheath blight) was planted in two locations for four different growing seasons. Seven traits were used to evaluate the disease severity, namely disease rating (DR), lesion length (LL), lesio...

journal_title：Hereditas

authors： Liu Y,Chen L,Fu D,Lou Q,Mei H,Xiong L,Li M,Xu X,Mei X,Luo L

更新日期：2014-06-01 00:00:00

abstract：:A set of diallel crosses involving 10 parents was made to have information on the extent of heterosis over mid-parent and better parent and inbreeding depression for yield and yield contributing characters under three different environments. Marked heterobeltiosis for grain yield and its important components were obse...

journal_title：Hereditas

authors： Singh H,Sharma SN,Sain RS

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:The Aedes aegypti mosquito is a threat to human health across the globe. The A. aegypti genome was recently re-sequenced and re-assembled. Due to a combination of long-read PacBio and Hi-C sequencing, the AaegL5 assembly is chromosome complete and significantly improves the assembly in key areas such as the ...

journal_title：Hereditas

authors： Nowling RJ,Behura SK,Halfon MS,Emrich SJ,Duman-Scheel M

更新日期：2021-01-28 00:00:00

abstract：:Within and among populations genetic variance of twelve Hemarthria compressa populations and one Hemarthria japonica population from China were analyzed using inter simple sequence repeat (ISSR). Twelve primers amplified a total of 165 genomic DNA fragments across a total of 148 individuals of which 156 were polymorph...

journal_title：Hereditas

authors： Huang LK,Zhang XQ,Ma X,Liu W,Li F,Zeng B

更新日期：2008-04-01 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：:Selection on endosperm traits among individual kernels is very important in maize because the characteristics of the kernel, especially the endosperm, are directly related to quality and yield. However the accuracy of the selection according to endosperm phenotype may be affected by heterofertilization. The objective ...

journal_title：Hereditas

authors： Yang W,Zheng Y,Wu J

更新日期：2008-10-01 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：:Silver nitrate staining of rainbow trouts (Oncorhynchus mykiss) chromosomes, for the identification of the nucleolar organizing regions (NORs), revealed that in individuals from Núcleo Experimental de Salmonicultura de Campos do Jordão (Brazil) NORs were located in the long arms of submetacentric pair while in specime...

journal_title：Hereditas

authors： Porto-Foresti F,Oliveira C,Tabata YA,Rigolino MG,Foresti F

更新日期：2002-01-01 00:00:00

abstract：:Four microsatellite-containing bovine cosmids have been regionally localized by fluorescence in situ hybridization to bovine R-banded chromosome 29 (BTA29) and to the 1;29 translocated chromosomes. PCR-analyses of a somatic hybrid cell panel assigned the four microsatellites to synteny group U7. One of the cosmids (ID...

journal_title：Hereditas

authors： Eggen A,Oustry A,Vaiman D,Ferretti L,Fries R,Cribiu EP

更新日期：1994-01-01 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