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PubMed1997

Gel electrophoresis of DNA fragments in narrow-bore capillaries.

In this work, we studied the behavior of electrophoretic columns, having an inner diameter (ID) of 2-10 microm, filled with a cross-linked polyacrylamide gel matrix. The usefulness of these columns for DNA sequencing is discussed. Evaluation of column performance included tests of gel stability and migration time reproducibility. Confocal laser-induced fluorescence (LIF)-detection was employed utilizing a 488 nm argon ion laser for separations of C- and T-terminated DNA Sanger fragments. Reducing the inner diameter of the column from 50 microm to 10 microm resulted in an approximately eightfold increase in lifetime, under conditions in which the columns were subjected to a field strength of 1000 V/cm. The 10 microm ID columns were utilized for separation of Sanger fragments, and adequate detection sensitivity was obtained by stacking of the fragments from a deionized sample solution. A linear algorithm for retention data synchronization between individual electropherograms was employed to provide a route towards a reliable automated base calling protocol.

Acrylic Resins↗

PubMed2000

Molecular structure and evolution of DNA sequences located at the alpha satellite boundary of chromosome 20.

We have isolated and characterised one PAC clone (dJ233C1) containing a linkage between alphoid and non-alphoid DNA. The non-alphoid DNA was found to map at the pericentromeric region of chromosome 20, both on p and q sides, and to contain homologies with one contig (ctg176, Sanger Centre), also located in the same chromosome region. At variance with the chromosome specificity shown by the majority of non-alphoid DNA, a subset of alphoid repeats derived from the PAC yielded FISH hybridisation signals located at the centromeric region of several human chromosomes, belonging to three different suprachromosomal families. The evolutionary conservation of this boundary region was investigated by comparative FISH experiments on chromosomes from great apes. The non-alphoid DNA was found to have undergone events of expansion and transposition to different pericentromeric regions of great apes chromosomes. Alphoid sequences revealed a very wide distribution of FISH signals in the great apes. The pattern was substantially discordant with the data available in the literature, which is essentially derived from the central alphoid subset. These results add further support to the emerging opinion that the pericentromeric regions are high plastics, and that the alpha satellite junctions do not share the evolutionary history with the main subsets.

Animals↗

PubMed1999

Cloning of the human monocarboxylate transporter MCT3 gene: localization to chromosome 22q12.3-q13.2.

Lactate transport across cell membranes is mediated by a family of proton-coupled monocarboxylate transporters (MCTs). The retinal pigment epithelium (RPE) expresses a unique member of this family, MCT3. A portion of the human MCT3 gene was cloned by polymerase chain reaction using primers designed from rat RPE MCT3 cDNA sequence. The human genomic sequence was used to design primers to clone human MCT3 cDNA and to identify a bacterial artificial chromosome clone containing the human MCT3 gene. The human MCT3 cDNA contained a 1512-nucleotide open reading frame with a deduced amino sequence 85% identical to rat MCT3. Comparison of the cDNA and genomic sequences revealed that the MCT3 gene was composed of five exons distributed over 5 kb of DNA. The exon-intron borders were conserved between the human and the chicken MCT3 genes. Using radiation hybrid mapping, the MCT3 gene was mapped to chromosome 22 between markers WI11639 and SGC30687. A search of chromosome 22 in the Sanger Centre database confirmed the location of the human MCT3 gene at 22q12.3-q13.2.

Animals↗

PubMed1977

Nucleotide sequence of bacteriophage phi X174 DNA.

A DNA sequence for the genome of bacteriophage phi X174 of approximately 5,375 nucleotides has been determined using the rapid and simple 'plus and minus' method. The sequence identifies many of the features responsible for the production of the proteins of the nine known genes of the organism, including initiation and termination sites for the proteins and RNAs. Two pairs of genes are coded by the same region of DNA using different reading frames.

Base Sequence↗

PubMed2003

Comprehensive proteomic profiling of the membrane constituents of a Mycobacterium tuberculosis strain.

Mycobacterium tuberculosis is an infectious microorganism that causes human tuberculosis. The cell membranes of pathogens are known to be rich in possible diagnostic and therapeutic protein targets. To compliment the M. tuberculosis genome, we have profiled the membrane protein fraction of the M. tuberculosis H37Rv strain using an analytical platform that couples one-dimensional SDS gels to a microcapillary liquid chromatography-nanospray-tandem mass spectrometer. As a result, 739 proteins have been identified by two or more distinct peptide sequences and have been characterized. Interestingly, approximately 450 proteins represent novel identifications, 79 of which are membrane proteins and more than 100 of which are membrane-associated proteins. The physicochemical properties of the identified proteins were studied in detail, and then biological functions were obtained by sorting them according to Sanger Institute gene function category. Many membrane proteins were found to be involved in the cell envelope, and those proteins with energy metabolic functions were also identified in this study.

Amino Acid Sequence↗

PubMed2022

The genome sequence of the plain-faced dronefly, Eristalis arbustorum (Linnaeus, 1758).

We present a genome assembly from an individual female Eristalis arbustorum (the plain-faced dronefly; Arthropoda; Insecta; Diptera; Syriphidae). The genome sequence is 451 megabases in span. The majority of the assembly (94.71%) is scaffolded into 6 chromosomal pseudomolecules, with the X sex chromosome assembled. The complete mitochondrial genome was also assembled and is 16.0 kilobases in length.

Diptera↗

PubMed1995

Transcripts of the npm-alk fusion gene in anaplastic large cell lymphoma, Hodgkin's disease, and reactive lymphoid lesions.

Anaplastic large cell lymphoma (ALCL) and Hodgkin's disease (HD) have some pathologic and immunohistochemical similarities, and a histogenetic relationship between them has been suggested by some investigators. By cytogenetic study, the t(2;5)(p23;q35) translocation appears to be unique for ALCL. The breakpoints of the t(2;5)(p23;q35) have recently been cloned and are reported to involve a novel tyrosine kinase gene, anaplastic lymphoma kinase (alk), on chromosome 2 and the nucleophosmin gene (npm) on chromosome 5. Therefore, we studied the frequency of npm-alk translocation in ALCL using a reverse transcriptase-polymerase chain reaction (RT-PCR) assay. We also studied HD and a variety of reactive lymphoid lesions since there is contradictory information in the literature on the occurrence of the npm-alk rearrangement in HD. We detected npm-alk hybrid mRNA in 8 of 22 cases of ALCL (36%), but none of the 21 cases of HD or the 11 cases with reactive lesions contained amplifiable template. All positive ALCL had the T or indeterminate phenotype and occurred in young adults or children. There was very good correlation between a cytogenetically detectable t(2;5) and a positive signal by RT-PCR. Our results indicate a selective but relatively infrequent association between the t(2;5) and ALCL of T or indeterminate phenotype, not shared with HD or reactive hyperplasia.

Adolescent↗

PubMed2023

The genome sequence of the small wasp-sawfly, Tenthredo distinguenda (R. Stein, 1885).

We present a genome assembly from an individual male Tenthredo distinguenda (the small wasp-sawfly; Arthropoda; Insecta; Hymenoptera; Tenthredinidae). The genome sequence is 229.4 megabases in span. Most of the assembly is scaffolded into 9 chromosomal pseudomolecules. The mitochondrial genome has also been assembled and is 31.6 kilobases in length. Gene annotation of this assembly on Ensembl identified 11,332 protein coding genes.

Hymenoptera↗

PubMed1999

Physical map and gene survey of the Ochrobactrum anthropi genome using bacterial artificial chromosome contigs.

Bacterial artificial chromosome (BAC) clones are effective mapping and sequencing reagents for use with a wide variety of small and large genomes. This report describes research aimed at determining the genome structure of Ochrobactrum anthropi, an opportunistic human pathogen that has potential applications in biodegradation of hazardous organic compounds. A BAC library for O. anthropi was constructed that provides a 70-fold genome coverage based on an estimated genome size of 4.8 Mb. The library contains 3072 clones with an average insert size of 112 kb. High-density colony filters of the library were made, and a physical map of the genome was constructed using a hybridization without replacement strategy. In addition, 1536 BAC clones were fingerprinted with HindIII and analyzed using IMAGE and Fingerprint Contig software (FPC, Sanger Centre, U.K.). The FPC results supported the hybridization data, resulting in the formation of two major contigs representing the two major replicons of the O. anthropi genome. After determining a reduced tiling path, 138 BAC ends from the reduced tile were sequenced for a preliminary gene survey. A search of the public databases with the BLASTX algorithm resulted in 77 strong hits (E-value < 0.001), of which 89% showed similarity to a wide variety of prokaryotic genes. These results provide a contig-based physical map to assist the cloning of important genomic regions and the potential sequencing of the O. anthropi genome.

Chromosomes, Bacterial↗

PubMed2026

The genome sequence of the Tufted Button, Acleris cristana (Denis & Schiffermüller, 1775).

We present a genome assembly from an individual female Acleris cristana (the Tufted Button; Arthropoda; Insecta; Lepidoptera; Tortricidae). The genome sequence is 562.6 megabases in span. Most of the assembly is scaffolded into 31 chromosomal pseudomolecules, including the W and Z sex chromosomes. The mitochondrial genome has also been assembled and is 16.1 kilobases in length. Gene annotation of this assembly on Ensembl identified 12,598 protein coding genes.

Acleris cristana↗

PubMed2004

The Ensembl analysis pipeline.

The Ensembl pipeline is an extension to the Ensembl system which allows automated annotation of genomic sequence. The software comprises two parts. First, there is a set of Perl modules ("Runnables" and "RunnableDBs") which are 'wrappers' for a variety of commonly used analysis tools. These retrieve sequence data from a relational database, run the analysis, and write the results back to the database. They inherit from a common interface, which simplifies the writing of new wrapper modules. On top of this sits a job submission system (the "RuleManager") which allows efficient and reliable submission of large numbers of jobs to a compute farm. Here we describe the fundamental software components of the pipeline, and we also highlight some features of the Sanger installation which were necessary to enable the pipeline to scale to whole-genome analysis.

Base Sequence↗

PubMed2023

The genome sequence of the Autumnal Rustic, Eugnorisma glareosa (Esper, 1788).

We present a genome assembly from an individual male Eugnorisma glareosa (the Autumnal Rustic; Arthropoda; Insecta; Lepidoptera; Noctuidae). The genome sequence is 631.0 megabases in span. Most of the assembly is scaffolded into 30 chromosomal pseudomolecules, including the Z sex chromosome. The mitochondrial genome has also been assembled and is 15.39 kilobases in length. Gene annotation of this assembly on Ensembl identified 19,768 protein coding genes.

Autumnal Rustic↗

PubMed2023

The genome sequence of the Locust Fly, Stomorhina lunata (Fabricius, 1805).

We present a genome assembly from an individual female Stomorhina lunata (the Locust Fly; Arthropoda; Insecta; Diptera; Rhiniidae). The genome sequence is 728.1 megabases in span. Most of the assembly is scaffolded into 6 chromosomal pseudomolecules, including the X sex chromosome. The mitochondrial genome has also been assembled and is 16.49 kilobases in length. Gene annotation of this assembly on Ensembl identified 18,358 protein coding genes.

Diptera↗

PubMed2023

The genome sequence of the Coxcomb Prominent, Ptilodon capucinus (Linnaeus, 1758).

We present a genome assembly from an individual male Ptilodon capucinus (the Coxcomb Prominent; Arthropoda; Insecta; Lepidoptera; Notodontidae). The genome sequence is 348.7 megabases in span. The assembly is scaffolded into 31 chromosomal pseudomolecules, including the Z sex chromosome. The mitochondrial genome has also been assembled and is 15.38 kilobases in length. Gene annotation of this assembly on Ensembl identified 16,968 protein coding genes.

Coxcomb Prominent↗

PubMed2021

The genome sequence of the common green lacewing, Chrysoperla carnea (Stephens, 1836).

We present a genome assembly from an individual female Chrysoperla carnea (a common green lacewing; Arthropoda; Insecta; Neuroptera; Chrysopidae). The genome sequence is 560 megabases in span. The majority of the assembly (95.70%) is scaffolded into six chromosomal pseudomolecules, with the X sex chromosome assembled. Gene annotation of this assembly by the NCBI Eukaryotic Genome Annotation Pipeline has identified 12,985 protein coding genes.

Chrysoperla carnea↗

PubMed2023

The genome sequence of the Scarce Umber, Agriopis aurantiaria (Hübner, 1799).

We present a genome assembly from an individual male Agriopis aurantiaria (the Scarce Umber; Arthropoda; Insecta; Lepidoptera; Geometridae). The genome sequence is 485.4 megabases in span. The whole assembly is scaffolded into 30 chromosomal pseudomolecules, including the Z sex chromosome. The mitochondrial genome has also been assembled and is 15.44 kilobases in length. Gene annotation of this assembly on Ensembl identified 16,963 protein coding genes.

Agriopis aurantiaria↗

PubMed2022

The genome sequence of the Adonis blue, Lysandra bellargus (Rottemburg, 1775).

We present a genome assembly from an individual female Lysandra bellargus (the Adonis blue; Arthropoda; Insecta; Lepidoptera; Lycaenidae). The genome sequence is 529 megabases in span. The majority of the assembly (99.93%) is scaffolded into 46 chromosomal pseudomolecules with the W and Z sex chromosomes assembled. The complete mitochondrial genome was also assembled and is 15.6 kilobases in length. Gene annotation of this assembly on Ensembl has identified 13,249 protein coding genes.

Adonis blue↗

PubMed2003

The Zebrafish Information Network (ZFIN): the zebrafish model organism database.

The Zebrafish Information Network (ZFIN) is a web based community resource that serves as a centralized location for the curation and integration of zebrafish genetic, genomic and developmental data. ZFIN is publicly accessible at http://zfin.org. ZFIN provides an integrated representation of mutants, genes, genetic markers, mapping panels, publications and community contact data. Recent enhancements to ZFIN include: (i) an anatomical dictionary that provides a controlled vocabulary of anatomical terms, grouped by developmental stages, that may be used to annotate and query gene expression data; (ii) gene expression data; (iii) expanded support for genome sequence; (iv) gene annotation using the standardized vocabulary of Gene Ontology (GO) terms that can be used to elucidate relationships between gene products in zebrafish and other organisms; and (v) collaborations with other databases (NCBI, Sanger Institute and SWISS-PROT) to provide standardization and interconnections based on shared curation.

Animals↗