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Genetic recombination in plants
Genetic recombination in plants

... which demonstrate that genes required for meiotic recombination in Saccharornyces yeast encode proteins that catalyze reactions predicted by the DSB repair model (see, for example, a review by Haber [PI). Indeed, some of these proteins are conserved among species, including plants [3]. One such cons ...
bacterial plasmids - Acta Medica Medianae
bacterial plasmids - Acta Medica Medianae

... with potential recipient cell and his retraction leads to close connection between cell membranes of a donor and a recipient. It is supposed that a small canal, formed in this way, allows DNA transfer, or through the pilus itself, which is wide enough to enable passing of single chain DNA, or we hav ...
PDF
PDF

... per chromosome arm, which is commonly a minimum requirement for correct meiosis [1]. However, the honeybee, Apis mellifera, has extremely high recombination rates, averaging 19– 37 cM/Mb [2–4], which corresponds to more than 5 crossovers per chromosome pair per meiosis. Such high rates are observed ...
Anther Development
Anther Development

... this issue). Related homeotic genes have also been identified in tobacco (Hansen et al., 1993), petunia (Angenent et al., 1992; van der Krol and Chua, 1993, this issue), tomato (Pnueli et al., 1991), and corn (Schmidt et al., 1993; Veil et al., 1993, this issue), indicating that the same genes contr ...
Hox patterning of the vertebrate rib cage
Hox patterning of the vertebrate rib cage

... mutants have not been examined for these groups. Mutants in the Hox7, Hox8 and Hox9 genes have also been examined (Chen and Capecchi, 1997; Chen et al., 1998; van den Akker et al., 2001). The reported defects in these mutants also show no clear colinearity. The phenotypes in these animals are report ...
Analytical approaches to RNA profiling data for
Analytical approaches to RNA profiling data for

... limit the utility of ISH data for detection of cell specific changes in gene expression in complex tissues, we sought to develop an independent method for the quantitative measurement of the specificity of expression of any gene in a given cell type or condition relative to a large number of other c ...
Synonymous Codon Usage, Accuracy of Translation, and Gene
Synonymous Codon Usage, Accuracy of Translation, and Gene

... errors may be tolerated at those positions that are not crucial for protein function, whereas other positions are highly constrained. The nature and proportion of constrained amino acids vary widely according to the proteins. In absence of biochemical or structural data, these amino acids can be pre ...
Hox patterning of the vertebrate rib cage
Hox patterning of the vertebrate rib cage

... mutants have not been examined for these groups. Mutants in the Hox7, Hox8 and Hox9 genes have also been examined (Chen and Capecchi, 1997; Chen et al., 1998; van den Akker et al., 2001). The reported defects in these mutants also show no clear colinearity. The phenotypes in these animals are report ...
Splice Site Prediction Using Artificial Neural Networks
Splice Site Prediction Using Artificial Neural Networks

... website [8], we compiled a certain set of genes. TAIR is an on-line database resource of genetic and molecular biology data of the model plant Arabidopsis thaliana. ...
Phylogeny of elasmobranchs based on LSU and SSU ribosomal
Phylogeny of elasmobranchs based on LSU and SSU ribosomal

... that sharks are monophyletic with Squatina and pristiophoriforms being squalomorphs, and they statistically rejected the Hypnosqualea clade. This is a strong challenge to prevailing ideas. The present study used an even larger, independent set of gene sequences to evaluate which of the two major hyp ...
cbb752-mg-spr10-bioinfo-intro
cbb752-mg-spr10-bioinfo-intro

... • One idea for a definition? Bioinformatics is conceptualizing biology in terms of molecules (in the sense of physical-chemistry) and then applying “informatics” techniques (derived from disciplines such as applied math, CS, and statistics) to understand and organize the information associated with ...
Deletion of a conserved noncoding sequence in Plzf intron leads to
Deletion of a conserved noncoding sequence in Plzf intron leads to

... (Fig. 4A and Supp. Table S1). There are 47 substitutions or SNPs in strict sense; 22 small indels (insertions and deletions up to 14 bp), from which 12 appear to be in a single base “run” and 5 in more complex microsatellites. In addition, during the positional cloning efforts, we identified 6 micros ...
A Chromosome Assay Method for the Detection of
A Chromosome Assay Method for the Detection of

... The tests for het gene location on linkage group VIII gave four positive results and one negative. It should be noted that this negative result and the previous inconsistent result, obtained with the linkage group I tests, have both involved strain RD6-21. It would seem likely that this strain has e ...
Genome-Wide Identification of Allelic Expression in Hypertensive
Genome-Wide Identification of Allelic Expression in Hypertensive

... Genomic SSLP data were available for 2 SHR lines (SHR/OlaHsd and SHRSP/Riv) and 1 WKY line (WKY/OlaHsd). These lines are closely related to, and may be identical to, the SHR/NCrl, SHR-A3, and WKY/NCrl lines, respectively, used in our studies. We used this data to assess the degree of allelic identit ...
factor occupancy and gene expression Effects of sequence variation
factor occupancy and gene expression Effects of sequence variation

... occupancy compares TF binding between alleles in the same nucleus, it is controlled for environmental differences between individuals and cell types and therefore provides a more direct connection between genome sequence and regulatory function than do population-based studies. To understand the fun ...
factor occupancy and gene expression Effects of
factor occupancy and gene expression Effects of

... occupancy compares TF binding between alleles in the same nucleus, it is controlled for environmental differences between individuals and cell types and therefore provides a more direct connection between genome sequence and regulatory function than do population-based studies. To understand the fun ...
The ara Operon - University of Pennsylvania
The ara Operon - University of Pennsylvania

... phosphorylated by ribulokinase, the product of araB gene and finally converted to xylulose-5phosphate via ribulose-5-phosphate epimerase, the product of araD gene. The last product enters the pentose phosphate pathway and yields reducing power or provides precursor metabolites for glycolysis. These ...
Ira Herskowitz: 1946-2003.
Ira Herskowitz: 1946-2003.

... of ␭ P or N function, respectively, during infection. Even more importantly, a short time later, each had identified the host gene involved: one of the groP ⫺ genes turned out to be the essential host DNA replication gene dnaB, and the groN ⫺ gene turned out to encode the ␤-subunit of E. coli RNA po ...
factor occupancy and gene expression Effects of sequence variation
factor occupancy and gene expression Effects of sequence variation

... occupancy compares TF binding between alleles in the same nucleus, it is controlled for environmental differences between individuals and cell types and therefore provides a more direct connection between genome sequence and regulatory function than do population-based studies. To understand the fun ...
File
File

... that Each pair of alleles separates independently during gamete formation (Means which allele of Trait A a gamete receives is not at all related to which allele of Trait B the gamete receives) This law only applies when genes for two traits are located on different chromosomes. ...
Genome-Wide Identification of Allelic Expression in Hypertensive Rats
Genome-Wide Identification of Allelic Expression in Hypertensive Rats

... Genomic SSLP data were available for 2 SHR lines (SHR/OlaHsd and SHRSP/Riv) and 1 WKY line (WKY/OlaHsd). These lines are closely related to, and may be identical to, the SHR/NCrl, SHR-A3, and WKY/NCrl lines, respectively, used in our studies. We used this data to assess the degree of allelic identit ...
Correlation of amino acid preference and
Correlation of amino acid preference and

... ordered amino acid triples. Three types of analysis are conducted. At the genome level, crossvalidation is used to demonstrate the predictive capability of amino acid preference of viral genome type. Next at the sequence level, two types of resampling analysis are used to investigate the correlation ...
MGF 110-13L/14L overlap
MGF 110-13L/14L overlap

... This gene is a fusion between the MGF 360-6L amino terminus and a short non-MGF sequence between MGF 110-9L and 11L. Due to this gene having mostly MGF 360-6L character and only a short region aligned to the mid MGF 110-9L/11L sequence, the gene is given a MGF 360-6L ortholog assignment. Due to the ...
Gene Ontology (GO) Tutorial
Gene Ontology (GO) Tutorial

... Occasionally, one will come across gene products that have been annotated to Process, Function, and/or Component Unknown. These three terms are used when a curator has looked over the available literature and has found that none of it is adequate to assign a term. A good example is Dab2ip. As shown ...
Complex Inheritance of the 5-Lipoxygenase Locus
Complex Inheritance of the 5-Lipoxygenase Locus

... chromosome 6 region flanking the 5LO gene contains other genes that influence atherosclerosis or aneurysm development, then studies of the 5LO knockout mice could be complicated by variations between the knockout and the control mice in the flanking region of 5LO, unrelated to the 5LO gene itself. T ...
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Minimal genome

The concept of minimal genome assumes that genomes can be reduced to a bare minimum, given that they contain many non-essential genes of limited or situational importance to the organism. Therefore, if a collection of all the essential genes were put together, a minimum genome could be created artificially in a stable environment. By adding more genes, the creation of an organism of desired properties is possible. The concept of minimal genome arose from the observations that many genes do not appear to be necessary for survival. In order to create a new organism a scientist must determine the minimal set of genes required for metabolism and replication. This can be achieved by experimental and computational analysis of the biochemical pathways needed to carry out basic metabolism and reproduction. A good model for a minimal genome is Mycoplasma genitalium, the organism with the smallest known genome. Most genes that are used by this organism are usually considered essential for survival; based on this concept a minimal set of 256 genes has been proposed.
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