10 new
... it is bound to tryptophan. b. The trpR gene encodes the repressor; trpO is the operator; trpA encodes the enzyme tryptophan synthetase. A trpR2 repressor cannot bind tryptophan, a trpO2 operator cannot be bound by the repressor, and the enzyme encoded by a trpA2 mutant gene is completely inactive. D ...
... it is bound to tryptophan. b. The trpR gene encodes the repressor; trpO is the operator; trpA encodes the enzyme tryptophan synthetase. A trpR2 repressor cannot bind tryptophan, a trpO2 operator cannot be bound by the repressor, and the enzyme encoded by a trpA2 mutant gene is completely inactive. D ...
5 - digbio
... step 2: add to tree as along as no cycle is formed step 3: remove the edge from graph step 4: repeat steps 1-3 till all nodes are connected in tree. ...
... step 2: add to tree as along as no cycle is formed step 3: remove the edge from graph step 4: repeat steps 1-3 till all nodes are connected in tree. ...
A xylem-specific cellulose synthase gene from aspen (Populus
... plants were bent to create tension stress for various time intervals (from 4 to 40 h). Surprisingly, tension stress rapidly induced phloem-speci®c GUS expression (Figure 5), but did not cause an apparent change in GUS expression in the developing xylem (Figure 5b). Thus under a normal developmental ...
... plants were bent to create tension stress for various time intervals (from 4 to 40 h). Surprisingly, tension stress rapidly induced phloem-speci®c GUS expression (Figure 5), but did not cause an apparent change in GUS expression in the developing xylem (Figure 5b). Thus under a normal developmental ...
PDF + SI - Development - The Company of Biologists
... anti-IgG antibody) controls confirmed the specificity of the myc-antibody. The absence of enrichment for a control region (D) that does not contain Snail response elements confirms the specificity of Snail2 binding to regions B and C. Together, these results indicate that Snail can directly bind to ...
... anti-IgG antibody) controls confirmed the specificity of the myc-antibody. The absence of enrichment for a control region (D) that does not contain Snail response elements confirms the specificity of Snail2 binding to regions B and C. Together, these results indicate that Snail can directly bind to ...
Ribosome profiling reveals post-transcriptional buffering of divergent
... (Pickrell et al. 2010). In general, these studies report that polymorphic mRNA abundance is present in at least 25% of genes in a species, and mRNA levels are even more divergent between closely related species. However, a few recent studies suggest that protein abundance is more conserved than mRNA ...
... (Pickrell et al. 2010). In general, these studies report that polymorphic mRNA abundance is present in at least 25% of genes in a species, and mRNA levels are even more divergent between closely related species. However, a few recent studies suggest that protein abundance is more conserved than mRNA ...
Transcription
... a general non-specific affinity for DNA, which is referred to as loose binding that is fairly stable. • The addition of s factor to the core enzyme markedly reduces the holoenzyme affinity for non-specific binding by 20 000-fold, and enhances the holoenzyme binding to correct promoter sites 100 time ...
... a general non-specific affinity for DNA, which is referred to as loose binding that is fairly stable. • The addition of s factor to the core enzyme markedly reduces the holoenzyme affinity for non-specific binding by 20 000-fold, and enhances the holoenzyme binding to correct promoter sites 100 time ...
View Full PDF - Biochemical Society Transactions
... overall genetic organization along with important differences in gene regulation. In addition, phylogenetic analysis of hup genes indicates distinct evolutionary origins for hydrogenase genes in Rhizobia. ...
... overall genetic organization along with important differences in gene regulation. In addition, phylogenetic analysis of hup genes indicates distinct evolutionary origins for hydrogenase genes in Rhizobia. ...
Gene Section BEX1 (brain expressed, X-linked 1) Atlas of Genetics and Cytogenetics
... proteins in several different mouse tissues by western blot analysis (Koo et al., 2004). They used a polyclonal chicken antibody directed against a peptide common to the C-terminal region of mouse Bex1 and -2, which are 87% identical and 90% similar in amino acid sequences. They found that Bex1 and ...
... proteins in several different mouse tissues by western blot analysis (Koo et al., 2004). They used a polyclonal chicken antibody directed against a peptide common to the C-terminal region of mouse Bex1 and -2, which are 87% identical and 90% similar in amino acid sequences. They found that Bex1 and ...
University of Birmingham Immunolabelling of human metaphase
... It remains uncertain whether the patterns of histone modification that define individual chromosome bands are a simple reflection of gene richness and/or ongoing transcription, or whether they play a determining role in chromatin packaging and intra-nuclear location at the Mb level. In this respect, ...
... It remains uncertain whether the patterns of histone modification that define individual chromosome bands are a simple reflection of gene richness and/or ongoing transcription, or whether they play a determining role in chromatin packaging and intra-nuclear location at the Mb level. In this respect, ...
Human Sex Determination
... Steroidogenic factor 1 (SF-1) is expressed in all primary steroidogenic tissue, including the testis and ovaries. This orphan nuclear receptor is a key regulator of steroid hydroxylases (Ikeda et al., ’93). In mouse, Sf-1 is expressed in the urogenital ridges of both sexes at 9 d.p.c. and ceases by ...
... Steroidogenic factor 1 (SF-1) is expressed in all primary steroidogenic tissue, including the testis and ovaries. This orphan nuclear receptor is a key regulator of steroid hydroxylases (Ikeda et al., ’93). In mouse, Sf-1 is expressed in the urogenital ridges of both sexes at 9 d.p.c. and ceases by ...
A.3.1.5SecretsInGenes - Life Science Academy
... A logarithm is the power to which a base must be raised to produce a desired value. In the case of a base 2 logarithm, for every increase or decrease of one, there is a two fold change. For example: Log2(0.0625) = -4 Log2(0.125) = -3 Log2(0.25) = -2 Log2(0.5) = -1 Log2(1) = 0 Log2(2) = 1 Log2(4) = 2 ...
... A logarithm is the power to which a base must be raised to produce a desired value. In the case of a base 2 logarithm, for every increase or decrease of one, there is a two fold change. For example: Log2(0.0625) = -4 Log2(0.125) = -3 Log2(0.25) = -2 Log2(0.5) = -1 Log2(1) = 0 Log2(2) = 1 Log2(4) = 2 ...
Analysis of the root-hair morphogenesis transcriptome reveals the
... The NOXs produce extracellular superoxide and, as well as their role in root-hair growth, are involved in pathogen responses (Torres et al., 2002), ABA-induced stomatal closure (Kwak et al., 2003) and other aspects of plant development (Sagi et al., 2004). Using the set of genes more highly expresse ...
... The NOXs produce extracellular superoxide and, as well as their role in root-hair growth, are involved in pathogen responses (Torres et al., 2002), ABA-induced stomatal closure (Kwak et al., 2003) and other aspects of plant development (Sagi et al., 2004). Using the set of genes more highly expresse ...
Genome-wide expression screens indicate a global role for protein
... acid level (by antisense oligonucleotides) or the protein level (by microinjection of antibodies or substrate peptide analogs) significantly inhibits this process (Pepperkok et al., 1993; Pepperkok et al., 1994; Lorenz et al., 1993; Lorenz et al., 1999). Concomitantly, expression of immediate early ...
... acid level (by antisense oligonucleotides) or the protein level (by microinjection of antibodies or substrate peptide analogs) significantly inhibits this process (Pepperkok et al., 1993; Pepperkok et al., 1994; Lorenz et al., 1993; Lorenz et al., 1999). Concomitantly, expression of immediate early ...
The molecular evolution of development
... cephalochordate Amphioxus and the nematode Caenorhabditis elegans (Fig. 1), Zhang and Nei(24) suggest that extant members of the HOM/Hox gene family were derived not from three precursors, as earlier suggested, but from two related loci that diverged very early in the evolution of the metazoans (Fig ...
... cephalochordate Amphioxus and the nematode Caenorhabditis elegans (Fig. 1), Zhang and Nei(24) suggest that extant members of the HOM/Hox gene family were derived not from three precursors, as earlier suggested, but from two related loci that diverged very early in the evolution of the metazoans (Fig ...
Animal Behaviour SPECIAL ISSUE: KIN SELECTION
... grouped into three major behavioural contexts: foraging, aggression and behavioural maturation. The model results led to a prediction that some transcription factors regulate brain gene expression across the three major behavioural contexts while others regulate gene expression in just one or two be ...
... grouped into three major behavioural contexts: foraging, aggression and behavioural maturation. The model results led to a prediction that some transcription factors regulate brain gene expression across the three major behavioural contexts while others regulate gene expression in just one or two be ...
Efficient expression of ribozyme and reduction of stromelysin mRNA
... gene delivery vehicles for the treatment of human disorders in which a long-term therapy is essential for an effective treatment. The attractive features of AAV as a vector are nonpathogenicity, low immunogenicity, stable and efficient expression of transgenes from the integrated or episomal form, i ...
... gene delivery vehicles for the treatment of human disorders in which a long-term therapy is essential for an effective treatment. The attractive features of AAV as a vector are nonpathogenicity, low immunogenicity, stable and efficient expression of transgenes from the integrated or episomal form, i ...
Coexpression of Linked Genes in Mammalian
... of linked yeast genes (Lercher and Hurst 2006), the adaptive model implies that the gene order in the yeast genome must be highly organized. However, the high plasticity of yeast gene order revealed from a comparison of 11 species (Fischer et al. 2006) argues against this view. In addition, it is we ...
... of linked yeast genes (Lercher and Hurst 2006), the adaptive model implies that the gene order in the yeast genome must be highly organized. However, the high plasticity of yeast gene order revealed from a comparison of 11 species (Fischer et al. 2006) argues against this view. In addition, it is we ...
