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Histidine protein kinases (HPKs) are a large family of signal-transduction enzymes that autophosphorylate on a conserved histidine residue. HPKs form two-component signaling systems together with their downstr...
With the advent of gene-expression profiling, a large number of genes can now be investigated simultaneously during critical stages of development. This approach will be particularly informative in studies of ...
A report on the Genomics, Proteomics and Bioinformatics for Medicine (GPBM) 2002 meeting, St. Petersburg to Moscow, Russia, 22-30 June 2002.
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 Augu...
A report on the annual meeting of the Society of Developmental Biology, Madison, Wisconsin, USA, 21-24 July 2002.
In plants, calcium (Ca2+) has emerged as an important messenger mediating the action of many hormonal and environmental signals, including biotic and abiotic stresses. Many different signals raise cytosolic calci...
The isochore concept in human genome sequence was challenged in an analysis by the International Human Genome Sequencing Consortium (IHGSC). We argue here that a statement in IGHSC analysis concerning the existen...
Using a complete set of budding-yeast mutants bearing deletions of all known open reading frames, a recent study has revealed multiple overlapping pathways that coordinately regulate cell-cycle progression wit...
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 eff...
Polytopic membrane proteins can be related to each other on the basis of the number of transmembrane helices and sequence similarities. Building on the Pfam classification of protein domain families, and using...
As the rough draft of the human genome sequence nears a finished product and other genome-sequencing projects accumulate sequence data exponentially, bioinformatics is emerging as an important tool for studies...
A report on the European Science Foundation Workshop on Modeling of Molecular Networks, Granada, Spain, 11-14 June 2002.
In multiple sclerosis, a complex neurodegenerative disorder, a combination of genetic and environmental factors results in inflammation and myelin damage. Recent transcription-profiling studies have found dist...
The rapidly expanding fields of genomics and proteomics have prompted the development of computational methods for managing, analyzing and visualizing expression data derived from microarray screening. Neverth...
Long terminal repeat (LTR) retrotransposons constitute a major fraction of the genomes of higher plants. For example, retrotransposons comprise more than 50% of the maize genome and more than 90% of the wheat ...
The mechanism by which Bacillus anthracis initiates anthrax in humans involves key protein-protein interactions, the site for which have now been mapped
Understanding how Bacillus anthracis initiates anthrax in humans
Understanding the secretion of an enterotoxin by enterotoxigenic Escherichia coli strains paves the way to the development of new drugs
Sequencing Thermoanaerobacter tengcongensis reveals clues as to how this thermophile manages to live an extreme lifestyle
The specificity of tissue transcriptional activities may be understood via high-throughput gene-expression profiling of a significant fraction of the human and mouse transcriptomes
The evolutionary origin of double fertilization and the resultant endosperm tissue in flowering plants remains a puzzle, despite over a century of research. The recent resurgence of approaches to evolutionary ...
Microarray data are subject to multiple sources of variation, of which biological sources are of interest whereas most others are only confounding. Recent work has identified systematic sources of variation th...
Complete genomic sequences of closely related organisms, such as the chlamydiae, afford the opportunity to assess significant strain differences against a background of many shared characteristics. The chlamyd...
A maize array was fabricated with 5,376 unique expressed sequence tag (EST) clones sequenced from 4-day-old roots, immature ears and adult organ cDNA libraries. To elucidate organ relationships, relative mRNA ...
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