Organelle origins: Energy-producing symbionts
... energy producing organelles. The introduction of mitochondria and/or hydrogenosomes into the eukaryotic cell must have occurred after the nuclear lineage had diverged from the prokaryotic world. If this were not the case, genes for mitochondrial proteins would be more similar to ‘bona fide’ eukaryot ...
... energy producing organelles. The introduction of mitochondria and/or hydrogenosomes into the eukaryotic cell must have occurred after the nuclear lineage had diverged from the prokaryotic world. If this were not the case, genes for mitochondrial proteins would be more similar to ‘bona fide’ eukaryot ...
Sequence analysis of three mitochondrial DNA molecules reveals
... S.cerevisiae and contain fewer introns and intergenic sequences, although they have almost the same coding potential. A few genes contain group I introns, but group II introns, otherwise found in S.cerevisiae mtDNA, are not present. Surprisingly, four genes (ATP6, COX2, COX3 and COB) in the mtDNA of ...
... S.cerevisiae and contain fewer introns and intergenic sequences, although they have almost the same coding potential. A few genes contain group I introns, but group II introns, otherwise found in S.cerevisiae mtDNA, are not present. Surprisingly, four genes (ATP6, COX2, COX3 and COB) in the mtDNA of ...
PowerPoint-Präsentation
... extreme heat-shock (Schurr et al, 1995), oxidative stress (Yu et al, 1995), cell wall-inhibitory antibiotics (Wood et al, 2006) and spaceflight-analogue conditions (Crabbe et al, 2010) and is also involved in biofilm formation (Bazire et al, 2010). The broad impact of AlgU on global gene expression ...
... extreme heat-shock (Schurr et al, 1995), oxidative stress (Yu et al, 1995), cell wall-inhibitory antibiotics (Wood et al, 2006) and spaceflight-analogue conditions (Crabbe et al, 2010) and is also involved in biofilm formation (Bazire et al, 2010). The broad impact of AlgU on global gene expression ...
Genetic Evidence that the Operator Locus is Distinct from the z gene
... transposed in a @Odlac lysogen (Signer & Beckwith, 1966; Beckwith, Signer & Epstein, 1966) to the a&,, site near the tryptophan operon (trip) on the E. coli chromosome (Fig. 1). Between lac and trp is a locus determining sensitivity to the bacteriophages Tl and 480 and colicins V and B. Selection fo ...
... transposed in a @Odlac lysogen (Signer & Beckwith, 1966; Beckwith, Signer & Epstein, 1966) to the a&,, site near the tryptophan operon (trip) on the E. coli chromosome (Fig. 1). Between lac and trp is a locus determining sensitivity to the bacteriophages Tl and 480 and colicins V and B. Selection fo ...
RNAi and RNAa - The Yin and Yang of RNAome
... complementary principles, can potentially be applied to elucidate the complex phenomenon of RNAa/RNAi in the RNAome. This warrants a proper understanding of the RNAi/RNAa molecular pathways in living organisms before any of the small dsRNAs can potentially be exploited for therapeutics in human bein ...
... complementary principles, can potentially be applied to elucidate the complex phenomenon of RNAa/RNAi in the RNAome. This warrants a proper understanding of the RNAi/RNAa molecular pathways in living organisms before any of the small dsRNAs can potentially be exploited for therapeutics in human bein ...
Identification of the Missing Links in Prokaryotic Pentose Oxidation
... that the enzymes of the Entner-Doudoroff pathway were operative. In the final step of the pathway, D-Ara CFE contained a 3.6-fold higher activity (255 milliunits/mg) toward the aldehyde 2,5-dioxopentanoate (DOP) using NADP⫹ as a cofactor. The data suggest that S. solfataricus employs an inducible en ...
... that the enzymes of the Entner-Doudoroff pathway were operative. In the final step of the pathway, D-Ara CFE contained a 3.6-fold higher activity (255 milliunits/mg) toward the aldehyde 2,5-dioxopentanoate (DOP) using NADP⫹ as a cofactor. The data suggest that S. solfataricus employs an inducible en ...
View/Open - Cadair - Aberystwyth University
... MYB3R1, MYB3R3, and MYB3R5 act redundantly as transcriptional repressors Phylogenetic analysis showed that there are two evolutionarily conserved groups in plant MYB3R family (Fig 1A). One contains MYB3R1 and MYB3R4 (hereafter MYB3R1/4) from Arabidopsis, which were previously shown to act as transcr ...
... MYB3R1, MYB3R3, and MYB3R5 act redundantly as transcriptional repressors Phylogenetic analysis showed that there are two evolutionarily conserved groups in plant MYB3R family (Fig 1A). One contains MYB3R1 and MYB3R4 (hereafter MYB3R1/4) from Arabidopsis, which were previously shown to act as transcr ...
Genome duplications and accelerated evolution of
... SYNOPSIS. The early origin of four vertebrate Hox gene clusters during the evolution of gnathostomes was likely caused by two consecutive duplications of the entire genome and the subsequent loss of individual genes. The presumed conserved and important roles of these genes in tetrapods during devel ...
... SYNOPSIS. The early origin of four vertebrate Hox gene clusters during the evolution of gnathostomes was likely caused by two consecutive duplications of the entire genome and the subsequent loss of individual genes. The presumed conserved and important roles of these genes in tetrapods during devel ...
Classical genetics
... Remember, the t wo alleles of each gene end up in different gametes. Start out with TT cross tt (P generation), to produce Tt plants, then he used . . . A monohybrid cross, which is the . . . Mating bet ween t wo heterozygotes for a particular gene (mono: one gene, hybrid: mix of allele types). The ...
... Remember, the t wo alleles of each gene end up in different gametes. Start out with TT cross tt (P generation), to produce Tt plants, then he used . . . A monohybrid cross, which is the . . . Mating bet ween t wo heterozygotes for a particular gene (mono: one gene, hybrid: mix of allele types). The ...
to the reprint.
... Sequences within the homeodomains of these genes were identical at the amino acid level. In the sequences flanking the homeodomain, chdlx-3 matched mdlx-3 in 21 amino acids and zdlx-3 in 19 amino acids. No significant homology was seen in the remainder of the coding sequences (Fig. 4A). Alignment wi ...
... Sequences within the homeodomains of these genes were identical at the amino acid level. In the sequences flanking the homeodomain, chdlx-3 matched mdlx-3 in 21 amino acids and zdlx-3 in 19 amino acids. No significant homology was seen in the remainder of the coding sequences (Fig. 4A). Alignment wi ...
BSCS Chapter 13
... – The cells are treated with water on a microscope slide causing them to swell and their chromosomes to spread apart. – Stains applied to the resulting chromosome spread produce the banding patterns. ...
... – The cells are treated with water on a microscope slide causing them to swell and their chromosomes to spread apart. – Stains applied to the resulting chromosome spread produce the banding patterns. ...
ABCA17P - BMC Molecular Biology
... (A) Structural organization of the human ABCA17P/ABCA3 gene locus on chromosome 16p13.3. Both genes are organized in head-to-head orientation on opposite strands and overlap at their 5' ends. Exons are represented by black (ABCA17P) and gray boxes (ABCA3), respectively, and numbered in 5' to 3' orde ...
... (A) Structural organization of the human ABCA17P/ABCA3 gene locus on chromosome 16p13.3. Both genes are organized in head-to-head orientation on opposite strands and overlap at their 5' ends. Exons are represented by black (ABCA17P) and gray boxes (ABCA3), respectively, and numbered in 5' to 3' orde ...
01 - cloudfront.net
... b. The genes are likely to be linked and to travel together during meiosis. c. The genes will be far enough from each other that crossing over is very likely to occur between them. Location of genes A and B ...
... b. The genes are likely to be linked and to travel together during meiosis. c. The genes will be far enough from each other that crossing over is very likely to occur between them. Location of genes A and B ...
Article
... insects, sea urchins, and amphibians treated with inhibitors of mRNA synthesis such as actinomycin-D and α-amanitin. Following confirmation of the presence of stored templates by in vitro translation of mRNAs extracted from unfertilized eggs of model organisms, further biochemical and molecular stud ...
... insects, sea urchins, and amphibians treated with inhibitors of mRNA synthesis such as actinomycin-D and α-amanitin. Following confirmation of the presence of stored templates by in vitro translation of mRNAs extracted from unfertilized eggs of model organisms, further biochemical and molecular stud ...
pr - vg
... Sturtevant’s interpretation of linkage -Recombination involves the physical exchange of chromosomal segments between homologs. -The frequency of recombinant types indicates the distance between linked genes. ...
... Sturtevant’s interpretation of linkage -Recombination involves the physical exchange of chromosomal segments between homologs. -The frequency of recombinant types indicates the distance between linked genes. ...
Active repressors
... Most tissue-specific genes are set up to be repressed at an early stage of development and they too are maintained in this form in almost all cell types, only undergoing reactivation in their tissues of expression. ...
... Most tissue-specific genes are set up to be repressed at an early stage of development and they too are maintained in this form in almost all cell types, only undergoing reactivation in their tissues of expression. ...
Comparative analysis of mono(2-ethylhexyl)phthalate (MEHP) and
... 26,515 RefSeq (Entrez) genes. Data analyses were conducted by software of Partek Genomics Suite (http://www.partek.com/); principal component analysis (PCA) was used to simplify the analysis and visualization of multidimensional microarray data sets and relevance network was used to determine the l ...
... 26,515 RefSeq (Entrez) genes. Data analyses were conducted by software of Partek Genomics Suite (http://www.partek.com/); principal component analysis (PCA) was used to simplify the analysis and visualization of multidimensional microarray data sets and relevance network was used to determine the l ...
Genetics - ND EPSCoR
... Activity 1 – The Macaroni Family In this activity we will explore how genes are passed through generations. We will see how traits can be hidden for generations and suddenly appear. Children may look a lot like their parents, but have a lot of traits which are like neither parent. By the end of this ...
... Activity 1 – The Macaroni Family In this activity we will explore how genes are passed through generations. We will see how traits can be hidden for generations and suddenly appear. Children may look a lot like their parents, but have a lot of traits which are like neither parent. By the end of this ...
14-2 Human Chromosomes
... – All the chromosomes that do NOT play a role in sex determination • In humans, chromosomes 1 – 22 – Two copies » One from Mom » One from Dad » Same genes » Same location on chromosome » BUT may be different alleles (recipes) ...
... – All the chromosomes that do NOT play a role in sex determination • In humans, chromosomes 1 – 22 – Two copies » One from Mom » One from Dad » Same genes » Same location on chromosome » BUT may be different alleles (recipes) ...
Dissecting Gene Expression Changes Accompanying a Ploidy
... on chromosome 21 has been shown to be increased (MAO et al. 2003), mirroring the increased copy number of those genes. This increase in gene expression can produce phenotypic effects in several ways. One mechanism is via direct downstream effects of the overexpressed genes. For example, individuals ...
... on chromosome 21 has been shown to be increased (MAO et al. 2003), mirroring the increased copy number of those genes. This increase in gene expression can produce phenotypic effects in several ways. One mechanism is via direct downstream effects of the overexpressed genes. For example, individuals ...