Heterochromatin and rDNA sites distribution in the holocentric chromosomes of Cuscuta approximata Bab. (Convolvulaceae).

abstract：:Southern blots of restriction fragments of genomic DNAs from Hordeum vulgare (L.), H. bulbosum (L.), and interspecific hybrids and their derivatives were hybridized with rDNA probe to identify locus-specific modifications at Rrn loci. H. bulbosum rDNA revealed a single EcoRV site per repeat compared with two sites in ...

journal_title：Genome

authors： Kranthi Kumar P,Subrahmanyam NC

更新日期：1999-12-01 00:00:00

abstract：:Brachypodium is well suited as a model system for temperate grasses because of its compact genome and a range of biological features. In an effort to develop resources for genome research in this emerging model species, we constructed 2 bacterial artificial chromosome (BAC) libraries from an inbred diploid Brachypodiu...

journal_title：Genome

authors： Huo N,Gu YQ,Lazo GR,Vogel JP,Coleman-Derr D,Luo MC,Thilmony R,Garvin DF,Anderson OD

更新日期：2006-09-01 00:00:00

abstract：:Lobster mushroom is a wild edible mushroom with potential commercial value. It is the product resulting of the infection, most commonly of Russula brevipes, by Hypomyces lactifluorum. This study undertook quantitative polymerase chain reaction analysis of tissues sampled at different infection stages to investigate R....

journal_title：Genome

authors： Laperriere G,Desgagné-Penix I,Germain H

更新日期：2018-05-01 00:00:00

abstract：:A cytobiotaxonomic study of the medically important insect vector Simulium ochraceum s.l. revealed two sibling species and one cytotype from various endemic and nonendemic zones of human onchocerciasis in Guatemala and Mexico. Polytene chromosome maps and idiograms as well as notes on the biology of the three taxa des...

journal_title：Genome

authors： Hirai H,Procunier WS,Ochoa JO,Uemoto K

更新日期：1994-02-01 00:00:00

abstract：:This is the first report of fluorescence in situ hybridization (FISH) on plant polytene chromosomes. Different protease pretreatments have been tested to improve fluorescence in situ hybridization FISH on polytene chromosomes of a plant, Phaseolus coccineus, with the aim to enable the detection of low-copy genes. The ...

journal_title：Genome

authors： Nenno M,Schumann K,Nagl W

更新日期：1994-12-01 00:00:00

abstract：:Lycopersicon esculentum (tomato) has a small genome (2C = 1.90 pg of DNA) packaged in 2n = 2x = 24 small acrocentric to metacentric chromosomes. Like the chromosomes of other members of the family Solanaceae, tomato chromosomes have pericentromeric heterochromatin. To determine the fraction of the tomato genome found ...

journal_title：Genome

authors： Peterson DG,Stack SM,Price HJ,Johnston JS

更新日期：1996-02-01 00:00:00

abstract：:Understanding the medical, economic, and ecological importance of black flies relies on correct identification of species. However, traditional taxonomy of black flies is impeded by a high degree of morphological uniformity, especially the presence of cryptic biodiversity, historically recognized by details of chromos...

journal_title：Genome

authors： Pramual P,Wongpakam K,Adler PH

更新日期：2011-01-01 00:00:00

abstract：:Amplified fragment length polymorphism (AFLP) analysis was used in combination with bulked segregant analysis (BSA) to identify molecular markers linked to two cowpea (Vigna unguiculata (L.) Walp.) genes conferring resistance to Striga gesnerioides race 1. After AFLP analysis of an F2 population derived from a cross b...

journal_title：Genome

authors： Ouédraogo JT,Tignegre JB,Timko MP,Beizile FJ

更新日期：2002-10-01 00:00:00

abstract：:Stenotrophomonas maltophilia is a global multidrug-resistant human opportunistic pathogen in clinical environments. Stenotrophomonas maltophilia is also ubiquitous in aqueous environments, soil, and plants. Various molecular typing methods have revealed that S. maltophilia exhibits high levels of phenotypic and genoty...

journal_title：Genome

authors： Yu D,Yin Z,Li B,Jin Y,Ren H,Zhou J,Zhou W,Liang L,Yue J

更新日期：2016-12-01 00:00:00

abstract：:A Robertsonian polymorphism resulting in diploid chromosome number ranging from 59 to 61 and constant chromosome arm number (fundamental number = 104) was observed in the albino rainbow trout (Oncorhynchus mykiss (Walbaum)) from the yellow color strain. In one individual, 90 mitotic chromosomes and 156 chromosome arms...

journal_title：Genome

authors： Ocalewicz K,Dobosz S

更新日期：2009-04-01 00:00:00

abstract：:A novel population consisted of a set of 99 near isogenic lines (NILs) and backcross recombinant inbred lines (BCRILs) derived from a cross between the cultivated tomato Lycopersicon esculentum cv. E6206 and L. hirsutum accession LA1777 is presented. Most of the lines contain a single defined introgression from L. hir...

journal_title：Genome

authors： Monforte AJ,Tanksley SD

更新日期：2000-10-01 00:00:00

abstract：:Recent genome size estimates for Arctic amphipods have revealed the largest genomes known in the Crustacea. Here we provide additional data for 7 species of caridean shrimp collected from the Canadian Arctic and the Gulf of St. Lawrence. Genome sizes were estimated by flow cytometry and haploid C-values ranged from 8....

journal_title：Genome

authors： Rees DJ,Belzile C,Glémet H,Dufresne F

更新日期：2008-02-01 00:00:00

abstract：:Previously published linkage groups (LGs) composed of molecular markers were assigned to classical LGs in the silkworm, Bombyx mori (n = 28). Four markers from the classical linkage map, og, w-1, Lp, and Pfl, were assigned to the molecular linkage maps using sequence tagged sites. In addition, linkage analysis was car...

journal_title：Genome

authors： Yasukochi Y,Banno Y,Yamamoto K,Goldsmith MR,Fujii H

更新日期：2005-08-01 00:00:00

abstract：:Although little is known about the molecular organization of most genes within heterochromatin, the unusual properties of these chromosomal regions suggest that genes therein may be organized and expressed very differently from those in euchromatin. We report here the cloning, by P transposon tagging, of sequences ass...

journal_title：Genome

authors： Devlin RH,Holm DG,Morin KR,Honda BM

更新日期：1990-06-01 00:00:00

abstract：:The Dissociation transposable element (Ds) of maize containing NPTII was introduced into the diploid potato (Solanum tuberosum) clone J91-6400-A16 through Agrobacterium tumefaciens mediated transformation. Genomic DNA sequences flanking the T-DNAs from 312 transformants were obtained with inverse polymerase chain reac...

journal_title：Genome

authors： El-Kharbotly A,Jacobs JM,Hekkert BT,Stiekema WJ,Pereira A,Jacobsen E,Ramanna MS

更新日期：1996-04-01 00:00:00

abstract：:Restriction endonuclease TaqI has been known as a nonbanding restriction endonuclease when it is used on fixed human chromosomes. However, a specific TaqI digestion can be obtained after varying experimental conditions such as concentration of enzyme, time of incubation, and volume of the final reaction mixture. This ...

journal_title：Genome

authors： Tagarro I,González-Aguilera JJ,Fernández-Peralta AM

更新日期：1991-04-01 00:00:00

abstract：:We have isolated and characterized microsatellites (simple sequence repeat (SSR) loci) from the silkworm genome. The screening of a partial genomic library by the conventional hybridization method led to the isolation of 28 microsatellites harbouring clones. The abundance of (CA)n repeats in the silkworm genome was ak...

journal_title：Genome

authors： Reddy KD,Abraham EG,Nagaraju J

更新日期：1999-12-01 00:00:00

abstract：:Marsupial mammals show extraordinary karyotype stability, with 2n = 14 considered ancestral. However, macropodid marsupials (kangaroos and wallabies) exhibit a considerable variety of karyotypes, with a hypothesised ancestral karyotype of 2n = 22. Speciation and karyotypic diversity in rock wallabies (Petrogale) is ex...

journal_title：Genome

authors： O'Neill RJ,Eldridge MD,Toder R,Ferguson-Smith MA,O'Brien PC,Graves JA

更新日期：1999-06-01 00:00:00

abstract：:Polymerase chain reaction was used, with single 10-mer primers of arbitrary sequence, to amplify random regions of genomic DNA from a diploid cultivated alfalfa backcross population. Segregation of the random amplified polymorphic DNA (RAPD) fragments was analysed to determine if RAPD markers are suitable for use as g...

journal_title：Genome

authors： Echt CS,Erdahl LA,McCoy TJ

更新日期：1992-02-01 00:00:00

abstract：:Differences in genome size and gene content are among the most important signatures of microbial adaptation and genome evolution. Here, we investigated the patterns of genome variation among 10 natural strains of the symbiotic nitrogen-fixing bacterium Sinorhizobium meliloti, using pulse field gel electrophoresis (PFG...

journal_title：Genome

authors： Guo H,Sun S,Eardly B,Finan T,Xu J

更新日期：2009-10-01 00:00:00

abstract：:The chromosome makeup of a 3-year-old crossbred heifer was examined in an attempt to explore the cytogenetic causes of her infertility. The heifer proved to be a mosaic carrying predominantly XY cells and with approximately 30% of cells lacking a normal Y. The minor population included cells carrying a dicentric isoch...

journal_title：Genome

authors： Pinheiro LE,Mikich AB,Bechara GH,Almeida IL,Basrur PK

更新日期：1990-10-01 00:00:00

abstract：:A previous study of 100 karyotyped metaphase cells has demonstrated the utility of a graphic arts tool in deriving chromosome measurements for relative length determination. In the present study we utilize this same approach to address the question: "What are the average differences in relative lengths between apparen...

journal_title：Genome

authors： Mark HF,Wyandt HE,Pan T,Mark R Jr,Paramenter M,Campbell W,Mark Y

更新日期：1993-10-01 00:00:00

abstract：:The growth hormone (GH) gene of teleost fish exhibits a higher degree of variability compared with other vertebrate groups. However, the different selective constraints at the sequence level are not well understood. In this study, maximum-likelihood (ML) models of codon substitutions were used to investigate Darwinian...

journal_title：Genome

authors： Ryynänen HJ,Primmer CR

更新日期：2006-01-01 00:00:00

abstract：:Leymus mollis (Trin.) Pilg. (2n = 4x = 28, NsNsXmXm) possesses a number of valuable genes against biotic and abiotic stress, which could be transferred into common wheat background for wheat improvement. In the present study, we determined the karyotypic constitution of a wheat - L. mollis double disomic addition line...

journal_title：Genome

authors： Zhang A,Li W,Wang C,Yang X,Chen C,Zhu C,Peng N,Tian Z,Wang Y,Zhang H,Liu X,Ji W

更新日期：2017-05-01 00:00:00

abstract：:Complex chromosome rearrangements (CCRs) are defined as structural abnormalities involving more than two chromosome breaks, coupled with exchanges of chromosomal segments. Information on CCRs in plants is limited. In the present study, a plant (26-4) harboring translocation chromosomes 1RS.1BL and 4RS.4DL was selected...

journal_title：Genome

authors： Ren T,Li Z,Yan B,Tan F,Tang Z,Fu S,Yang M,Ren Z

更新日期：2016-12-01 00:00:00

abstract：:A high-density BAC filter of Triticum monococcum was screened for the presence of a centromeric retrotransposon using the integrase region as a probe. Southern hybridization to the BAC digests using total genomic DNA probes of Triticum monococcum, Triticum aestivum, and Hordeum vulgare detected differentially hybridiz...

journal_title：Genome

authors： Ito H,Nasuda S,Endo TR

更新日期：2004-08-01 00:00:00

abstract：:Barley yellow dwarf virus (BYDV) resistance in soft red winter wheat (SRWW) cultivars has been achieved by substituting a group 7 chromosome from Thinopyrum intermedium for chromosome 7D. To localize BYDV resistance, a detailed molecular genetic analysis was done on the alien group 7 Th. intermedium chromosome to dete...

journal_title：Genome

authors： Francki MG,Crasta OR,Sharma HC,Ohm HW,Anderson JM

更新日期：1997-10-01 00:00:00

abstract：:2B rye plants selected for high (H) or low (L) B transmission rate were studied at pachytene and metaphase I of meiosis to determine the relationship between synapsis, bivalents at metaphase I, and B transmission rate. The results show that the 2 B chromosomes (Bs) form bivalents at pachytene in both the H and L lines...

journal_title：Genome

authors： Jiménez G,Manzanero S,Puertas MJ

更新日期：2000-04-01 00:00:00

abstract：:The European cultivated potato, Solanum tuberosum subsp. tuberosum, has 6 related cultivated species and more than 200 wild relatives. In Solanum spp., studies of cytoplasmic organelles have been mainly confined to the plastid DNA composition of cultivated and wild species. In this study, 53 genotypes of 30 potato spe...

journal_title：Genome

authors： Scotti N,Cozzolino S,Cardi T

更新日期：2007-08-01 00:00:00

abstract：:Despite the recent advances in plant population genetic studies, the lack of information regarding pedigree, ploidy level, or mode of inheritance for many polyploids can compromise the analysis of the molecular data produced. The aim of this study was to examine both microsatellite and cytogenetic characteristics of t...

journal_title：Genome

authors： Silvestrini M,Pinto-Maglio CA,Zucchi MI,dos Santos FA

更新日期：2013-12-01 00:00:00