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Volume 3 Issue 10
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Comment |
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An Asilomar moment
Gregory A Petsko Genome Biology 2002, 3:comment1014-comment1014.3 (25 September 2002)
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Editor’s summary
As governments in the US and Europe contemplate legislation that would divert funding of some genomics-driven research to Offices of Homeland Security and the like, and that would restrict the freedom of biologists to publish and share some of their data, we of the scientific community are facing a crisis, brought on by fears of bioterrorism, that eerily mirrors the early days of recombinant DNA research.
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On the importance of being finished
Lance E Palmer, W Richard McCombie Genome Biology 2002, 3:comment2010-comment2010.4 (27 September 2002)
Abstract | Full text | PDF | PubMed
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Editor’s summary
The publication of an increasing number of draft genome sequences presents problems that will only be resolved by improved search tools and by complete finishing of the sequences - and their deposition in publicly accessible databases.
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Review |
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Are Drosophila telomeres an exception or the rule?
Edward J Louis Genome Biology 2002, 3:reviews0007-reviews0007.6 (27 September 2002)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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Editor’s summary
At the ends of eukaryotic chromosomes are telomeres, specialized structures with unusual properties. Specific efforts to compare sequences and properties of telomeres across species can reveal the generalities of telomere properties.
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Histidine protein kinases: key signal transducers outside the animal kingdom
Peter M Wolanin, Peter A Thomason, Jeffry B Stock Genome Biology 2002, 3:reviews3013-reviews3013.8 (25 September 2002)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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Editor’s summary
Histidine protein kinases (HPKs) are a large family of signal-transduction enzymes that form two-component signaling systems together with their downstream target proteins, the response regulators. The proteins divide into at least 11 subfamilies, only one of which is present in eukaryotes, suggesting that lateral gene transfer gave rise to two-component signaling in these organisms.
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Large-scale gene-expression studies and the challenge of multiple sclerosis
Sergio E Baranzini, Stephen L Hauser Genome Biology 2002, 3:reviews1027-reviews1027.5 (16 September 2002)
Abstract | Full text | PDF | PubMed
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Editor’s summary
Recent transcription-profiling studies have found distinct gene-expression patterns in multiple sclerosis; such large-scale studies at different stages of the disease are contributing to understanding multiple sclerosis and developing effective therapy.
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Variations in abundance: genome-wide responses to genetic variation... and vice versa
Bruce A Hamilton Genome Biology 2002, 3:reviews1029-reviews1029.3 (19 September 2002)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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Editor’s summary
How do naturally occurring polymorphisms in DNA sequence relate to variation in gene expression? Recent work to map genetic sources of expression variation has shown a surprising balance between cis and trans effects. Other work suggests some chromosomal clustering of genes by expression pattern.
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A genomic approach to studying cell-size homeostasis in yeast
Jonathan BA Millar Genome Biology 2002, 3:reviews1028-reviews1028.4 (20 September 2002)
Abstract | Full text | PDF | PubMed
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Editor’s summary
A recent study has revealed multiple overlapping pathways that coordinately regulate cell-cycle progression with ribosome biogenesis and translation efficiency, providing new insights into the mechanisms governing cell-size homeostasis in eukaryotes.
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Ascidian gene-expression profiles
William R Jeffery Genome Biology 2002, 3:reviews1030-reviews1030.4 (25 September 2002)
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Editor’s summary
Gene-expression profiling will be particularly informative in studies of ascidians, basal chordates whose genomes and embryology are uniquely suited for mapping developmental gene networks.
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Report |
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Autosome inactivation by ectopic XIST in differentiated cells
Cathy Holding Genome Biology 2002, 3:reports0053 (30 September 2002)
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Editor’s summary
Human XIST, when integrated into autosomes in a fully differentiated adult human tumor cell line, caused localized chromosome inactivation, counter to all previous concepts of a specific narrow window of opportunity for X-inactivation
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Evolutionary genomics of Salmonella
Wim D'Haeze Genome Biology 2002, 3:reports0054 (30 September 2002)
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Editor’s summary
Genes acquired by Salmonella enterica during its evolution may have important roles in human infection
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Acid test for Mycobacterium tuberculosis
Wim D'Haeze Genome Biology 2002, 3:reports0055 (30 September 2002)
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Editor’s summary
New Mycobacterium tuberculosis genes have been discovered that may have a role in the bacterium's survival in human phagosomes
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Three-way regulation of cholera toxin production
Wim D'Haeze Genome Biology 2002, 3:reports0056 (30 September 2002)
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Editor’s summary
A three-component regulatory system involved in cholera toxin production has been characterized
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The genome of a green sulfur bacterium
Wim D'Haeze Genome Biology 2002, 3:reports0057 (30 September 2002)
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Editor’s summary
The complete genome sequence of the photosynthetic anaerobe Chlorobium tepidum will help us to understand the evolution of photosynthesis
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Evolution of genomic GC variation
Diane P Genereux Genome Biology 2002, 3:reports0058 (25 November 2002)
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Editor’s summary
Bioinformatics and classical genetics reveal a positive correlation between recombination rate and GC content at silent sites in coding regions of Saccharomyces cerevisiae
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Modeling molecular networks: a systems biology approach to gene function
Alessandro Guffanti Genome Biology 2002, 3:reports4031-reports4031.3 (16 September 2002)
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Editor’s summary
A report on the European Science Foundation Workshop on Modeling of Molecular Networks, Granada, Spain, 11-14 June 2002.
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Developmental biologists cast a net over sequenced genomes
Matthias Gerberding, Nipam H Patel Genome Biology 2002, 3:reports4032-reports4032.3 (24 September 2002)
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Editor’s summary
A report on the annual meeting of the Society of Developmental Biology, Madison, Wisconsin, USA, 21-24 July 2002.
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Viruses in and out
Mariam Andrawiss Genome Biology 2002, 3:reports4033-reports4033.4 (24 September 2002)
Abstract | Full text | PDF | PubMed
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Editor’s summary
A report on the twelfth Congress of Virology, part of 'The world of microbes', the joint meeting of the three divisions of the International Union of Microbiological Societies, Paris, France, 27 July to 1 August 2002
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Genomics, proteomics and bioinformatics: all in the same boat
Robert B Russell Genome Biology 2002, 3:reports4034-reports4034.2 (24 September 2002)
Abstract | Full text | PDF | PubMed
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Editor’s summary
A report on the Genomics, Proteomics and Bioinformatics for Medicine (GPBM) 2002 meeting, St. Petersburg to Moscow, Russia, 22-30 June 2002.
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Insecticide resistance
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021001-01 (1 October 2002)
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Editor’s summary
Overexpression of a Drosophila cytochrome P450 gene is necessary and sufficient for resistance to the insecticide DTT.
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How different are we from chimps?
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021002-01 (2 October 2002)
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Editor’s summary
A new comparison of chimpanzee and human genomes suggests the divergence may be as much as five percent.
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The Plasmodium falciparum genome
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021003-01 (3 October 2002)
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Editor’s summary
The parasite genome could pave the way for new drugs and vaccines to fight the disease.
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Malaria genomes 'completed'
Pete Moore Genome Biology 2002, 3:spotlight-20021003-03 (3 October 2002)
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Editor’s summary
Sequencing the genomes is one thing - but will it really benefit malaria endemic countries?
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Molecular make-up of a malaria mosquito
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021003-02 (3 October 2002)
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Editor’s summary
The genome of Anopheles gambiae, the mosquito vector that spreads malaria has been sequenced.
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Plasmodium proteomics
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021004-01 (4 October 2002)
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Editor’s summary
Proteomic analysis of the Plasmodium falciparum parasite may identify novel drug and vaccine targets.
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The dynamics of Drosophila development
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021007-01 (7 October 2002)
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Editor’s summary
Microarray analysis of 66 different developmental stages of Drosophila provides an overview of gene expression during the fly life cycle.
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A cheap personal genome?
Leslie Pray Genome Biology 2002, 3:spotlight-20021007-02 (7 October 2002)
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Editor’s summary
Optimism and doubts expressed at discussion of $1,000 genome.
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The Nobel Prize for Physiology or Medicine 2002
David Bruce Genome Biology 2002, 3:gb-spotlight-20021008-01 (8 October 2002)
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Editor’s summary
Sydney Brenner, John Sulston, and Robert Horvitz awarded the 2002 Nobel Prize.
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Adenoviral arrays
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021008-02 (8 October 2002)
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Editor’s summary
Arrays of viral libraries provide a powerful approach to functional gene annotation.
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OptIPuter boots up
Karen Heyman Genome Biology 2002, 3:gb-spotlight-20021008-03 (8 October 2002)
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Editor’s summary
High-capacity optical network promises easier data sharing for collaborations.
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Linking replication and transcription
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021009-01 (9 October 2002)
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Editor’s summary
Researchers have used microarray experiments to explore the interplay between replication timing and gene transcription in Drosophila.
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Journal trio embraces MIAME
Laura DeFrancesco Genome Biology 2002, 3:gb-spotlight-20021010-01 (10 October 2002)
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Editor’s summary
Nature, Cell, Lancet will require researchers to comply with microarray standard
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Anchoring nuclei to the cytoskeleton
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021011-01 (11 October 2002)
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Editor’s summary
The ANC-1 protein in worms binds to the nuclear envelope and the actin cytoskeleton so as to position nuclei in syncytial cells.
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Biotech claims comprehensive SNP map
Laura DeFrancesco Genome Biology 2002, 3:spotlight-20021014-01 (14 October 2002)
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Editor’s summary
Perlegen amasses 1.7 million human SNPs with high-density arrays.
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A genome for bioremediation
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021014-02 (14 October 2002)
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Editor’s summary
Genome sequencing has been completed for Shewanella oneidensis, a metal-ion-reducing bacterium important for bioremediation and reducing environmental pollutants.
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Regulating large chromatin domains
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021015-01 (15 October 2002)
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Editor’s summary
Analysis of chromatin-remodelling complexes demonstrates the targeting role of the SATB1 protein in thymocytes.
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A second HP1
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021016-01 (16 October 2002)
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Editor’s summary
A two-hybrid protein-protein interaction screen has identified an HP1-interacting protein that is also involved in heterochromatin formation and gene silencing.
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Polycomb in the prostate
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021017-01 (17 October 2002)
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Editor’s summary
Gene-expression profiling of prostate cancer cells reveals a link between a polycomb-group protein and metastasis or poor prognosis.
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Bitter taste
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021017-02 (17 October 2002)
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Editor’s summary
A human receptor activated by bitter tastes has been identified.
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Rb and telomeres
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021018-01 (18 October 2002)
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Editor’s summary
Members of the retinoblastoma (Rb) protein family regulate telomere length in mouse fibroblasts
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Tetraspanins in flies
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021021-01 (21 October 2002)
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Editor’s summary
Genetic analysis reveals functions for tetraspanin proteins in synapse formation in Drosophila.
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Site-specific integration
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021022-01 (22 October 2002)
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Editor’s summary
A phage integrase has been used to achieve targeted integration of the human Factor IX gene in the mouse genome.
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An example of a 'riboswitch'
Tudor P Toma Genome Biology 2002, 3:spotlight-20021022-02 (22 October 2002)
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Editor’s summary
Messenger RNAs regulate thiamine biosynthesis in E. coli without the need for protein cofactors.
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Automated analysis of tissue microarrays
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021023-01 (23 October 2002)
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Editor’s summary
Algorithms that allow the automated quantitation of protein levels improve the use of tissue microarrays.
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Retina enrichment
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021024-01 (24 October 2002)
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Editor’s summary
Data-mining of EST databases has identified genes specifically expressed in the retina that are candidates for retinopathy genes.
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A green cell-cycle transcriptome
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021025-01 (25 October 2002)
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Editor’s summary
Transcriptome analysis of tobacco Bright Yellow-2 cells reveals a large set of genes that are modulated during the cell cycle in plants.
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Strength in numbers
Diane Martindale Genome Biology 2002, 3:spotlight-20021028-01 (28 October 2002)
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Editor’s summary
Canada is pursuing international genomics partnerships to make the most of national resources.
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Moth mating
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021028-02 (28 October 2002)
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Editor’s summary
Size is important when it comes to the mating preferences of female moths.
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Networks in the yeast genome
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021029-01 (29 October 2002)
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Editor’s summary
Defining the binding sites for all transcriptional regulators on a genome-wide scale can generate models of complex regulatory networks.
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The specificity of synthetic siRNAs
Jonathan B Weitzman Genome Biology 2002, 3:spotlight-20021030-01 (30 October 2002)
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Editor’s summary
Short interfering RNAs can distinguish between mutant and wild-type p53, suggesting therapeutic applications that restore wild-type function.
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Forensic genomics
Steve Nadis Genome Biology 2002, 3:spotlight-20021031-01 (31 October 2002)
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Editor’s summary
A technique to track bioterrorists or the deadliest human pathogens.
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Research |
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Long terminal repeat retrotransposons of Oryza sativa
Eugene M McCarthy, Jingdong Liu, Gao Lizhi, John F McDonald Genome Biology 2002, 3:research0053-research0053.11 (13 September 2002)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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Editor’s summary
A new data-mining program, LTR_STRUC, was used to mine the GenBank rice (Oryza sativa) database as well as the more extensive Monsanto rice dataset for long terminal repeat retrotransposons. Each of the major clades of rice LTR retrotransposons is more closely related to elements present in other species than to the other clades of rice elements, suggesting that horizontal transfer may have occurred.
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Mining microarray expression data by literature profiling
Damien Chaussabel, Alan Sher Genome Biology 2002, 3:research0055-research0055.16 (13 September 2002)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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Editor’s summary
The lack of efficient techniques for assessing the biological implications of microarray gene-expression data remains an important obstacle in exploiting this information. To address this need, a mining technique has been developed based on the analysis of literature profiles generated by extracting the frequencies of certain terms from thousands of abstracts stored in the Medline literature database.
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Molecular archeology of L1 insertions in the human genome
Suzanne T Szak, Oxana K Pickeral, Wojciech Makalowski, Mark S Boguski, David Landsman, Jef D Boeke Genome Biology 2002, 3:research0052-research0052.18 (19 September 2002)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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Editor’s summary
A detailed analysis of the anatomy and distribution of L1 elements in the human genome was carried out using a new computer program, TSDfinder, designed to identify transposon boundaries precisely. Conclusions: The sequence data give no indication that the creation of L1 structural variants depends on characteristics of the insertion locus.
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Genomic analysis of membrane protein families: abundance and conserved motifs
Yang Liu, Donald M Engelman, Mark Gerstein Genome Biology 2002, 3:research0054-research0054.12 (19 September 2002)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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Editor’s summary
A genome-wide analysis was carried out on patterns of the classified polytopic membrane protein families, and the distribution of conserved amino acids and motifs in the transmembrane helix regions in these families was also analyzed.
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Analysis of EF-hand-containing proteins in Arabidopsis
Irene S Day, Vaka S Reddy, Gul Shad Ali, ASN Reddy Genome Biology 2002, 3:research0056-research0056.24 (23 September 2002)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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Editor’s summary
Three out of the four classes of Ca2+-binding proteins in plants contain Ca 2+ -binding EF-hand motif(s). A maximum of 250 proteins possibly having EF-hands were identified. Diverse proteins, including enzymes, proteins involved in transcription and translation, protein- and nucleic-acid-binding proteins and a large number of unknown proteins, have one or more putative EF-hands.
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Conservation of long-range synteny and microsynteny between the genomes of two distantly related nematodes
DB Guiliano, N Hall, SJM Jones, LN Clark, CH Corton, BG Barrell, ML Blaxter Genome Biology 2002, 3:research0057-research0057.14 (26 September 2002)
Abstract | Full text | PDF | PubMed | F1000 Biology
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Editor’s summary
To assess whether the pattern of high rates of genome rearrangement, with a bias towards within-chromosome events is true of nematodes in general, genome sequence was used to compare the model Caenorhabditis elegans and the filarial parasite Brugia malayi. It is suggested that intrachromosomal rearrangement is a major force driving chromosomal organization in nematodes.
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Asymmetric directional mutation pressures in bacteria
Jean R Lobry, Noboru Sueoka Genome Biology 2002, 3:research0058-research0058.14 (26 September 2002)
Abstract | Full text | PDF | PubMed | Cited on BioMed Central
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Editor’s summary
When there are no strand-specific biases in mutation and selection rates between the two strands of DNA, the average nucleotide composition is theoretically expected to be A = T and G = C within each strand. By focusing on weakly selected regions that could be oriented with respect to replication in 43 out of 51 completely sequenced bacterial chromosomes, asymmetric directional mutation pressures have been detected.
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