Survival of photoreceptor neurons in the compound
... However, they suggest that survival of R-cells is dependent on interactions with the optic ganglia. Genetic mosaic analysis of photoreceptor cell survival in disco flies Previous mosaic analyses demonstrated that the unconnected phenotype in disco' flies is independent from the genotype of the compo ...
... However, they suggest that survival of R-cells is dependent on interactions with the optic ganglia. Genetic mosaic analysis of photoreceptor cell survival in disco flies Previous mosaic analyses demonstrated that the unconnected phenotype in disco' flies is independent from the genotype of the compo ...
abnormalities of chromosome structure
... The primary constituent of the chromatin is DEOXYRIBONUCLEIC ACID (DNA). Genes are composed of sequences of DNA. By serving as the blueprints of proteins in the body, genes influence all aspects of body structure and function. An error in one of these genes can lead to a recognizable genetic dis ...
... The primary constituent of the chromatin is DEOXYRIBONUCLEIC ACID (DNA). Genes are composed of sequences of DNA. By serving as the blueprints of proteins in the body, genes influence all aspects of body structure and function. An error in one of these genes can lead to a recognizable genetic dis ...
Genetic control of cellularisation
... nuclei (Fig. 1J). It thus appears that cellularisation follows a series of events initiated in conjunction with a synchronised division, where a cell plate is first formed between sister nuclei, followed rapidly by assembly of cell walls between non-sister nuclei throughout the PEN, resulting in a l ...
... nuclei (Fig. 1J). It thus appears that cellularisation follows a series of events initiated in conjunction with a synchronised division, where a cell plate is first formed between sister nuclei, followed rapidly by assembly of cell walls between non-sister nuclei throughout the PEN, resulting in a l ...
Tutorial - QIAGEN Bioinformatics
... Figure 1: Toolbox folder structure after installation of the Bisulfite Sequencing plugin. Bisulfite sequencing is the use of bisulphite treatment of DNA to determine its pattern of methylation. DNA methylation was the first discovered epigenetic mark, and remains the most studied. Changes in cytosin ...
... Figure 1: Toolbox folder structure after installation of the Bisulfite Sequencing plugin. Bisulfite sequencing is the use of bisulphite treatment of DNA to determine its pattern of methylation. DNA methylation was the first discovered epigenetic mark, and remains the most studied. Changes in cytosin ...
the genetics of the budgerigar
... one of the most popular of pets with strong fanciers' societies to protect and advance its interests. As time passed, there developed a budgerig?-r industry, and in Belgium, Holland, France, Germany, the United States, Japan, as well as in Great Britain, there are now a number of breeding establishm ...
... one of the most popular of pets with strong fanciers' societies to protect and advance its interests. As time passed, there developed a budgerig?-r industry, and in Belgium, Holland, France, Germany, the United States, Japan, as well as in Great Britain, there are now a number of breeding establishm ...
High-Level Expression in Escherichia coli of Alkaline Phosphatase
... Tca APase activity was activated by Mg2+; however, it was inhibited by Ca2+, Co2+, Zn2+, and EDTA at 1 mM concentration (data not shown). This dependence of the catalytic activity on Mg2+ has already been observed in most of the APases investigated [2, 5, 10]. The above results thus indicate that pr ...
... Tca APase activity was activated by Mg2+; however, it was inhibited by Ca2+, Co2+, Zn2+, and EDTA at 1 mM concentration (data not shown). This dependence of the catalytic activity on Mg2+ has already been observed in most of the APases investigated [2, 5, 10]. The above results thus indicate that pr ...
Noise in transcription negative feedback loops
... come from plasmid variation and therefore that negative feedback loops play an important role in suppressing both external and internal noise. An important observation is that DG expression without negative feedback exhibits bimodality at intermediate TF repression values. This bimodal behaviour see ...
... come from plasmid variation and therefore that negative feedback loops play an important role in suppressing both external and internal noise. An important observation is that DG expression without negative feedback exhibits bimodality at intermediate TF repression values. This bimodal behaviour see ...
Gene Section BIN1 (bridging integrator 1) Atlas of Genetics and Cytogenetics
... integrating cell polarity signaling (Balguerie et al., 1999). Genetic ablation of the Bin1 homolog in fruit flies causes mislocalization of the cell polarity complex Dlg/Scr/Lgl, normally localized to the tight junction, that is implicated in epithelial polarity and suppression of tumor-like growths ...
... integrating cell polarity signaling (Balguerie et al., 1999). Genetic ablation of the Bin1 homolog in fruit flies causes mislocalization of the cell polarity complex Dlg/Scr/Lgl, normally localized to the tight junction, that is implicated in epithelial polarity and suppression of tumor-like growths ...
A Novel CpG Island Set Identifies Tissue-Specific
... ‘‘testis-specific antigen’’ genes possess CGIs that are methylated in all somatic tissues, but not in testis, where the genes are expressed [10]. Several additional candidates for CGI methylation in normal tissues have been reported [11,12], and the number of cases has recently grown due to large-sca ...
... ‘‘testis-specific antigen’’ genes possess CGIs that are methylated in all somatic tissues, but not in testis, where the genes are expressed [10]. Several additional candidates for CGI methylation in normal tissues have been reported [11,12], and the number of cases has recently grown due to large-sca ...
Atresia of large ovarian follicles of the rat
... They included the appearance of apoptotic cells and bodies in the antral region, especially near the COC and the bridge linking the COC with the follicular wall, while the COC region was only slightly affected. The number of apoptotic granulosa cells increased on day 7. Apoptosis detected by DNA fra ...
... They included the appearance of apoptotic cells and bodies in the antral region, especially near the COC and the bridge linking the COC with the follicular wall, while the COC region was only slightly affected. The number of apoptotic granulosa cells increased on day 7. Apoptosis detected by DNA fra ...
Two supernumerary marker chromosomes
... derived from chromosome 6 (ring formation) and the X chromosome afflicted with dysmorphic features, microcephaly, delayed development, and seizures. The other proband, identified by Aalfs et al. (1996), had a mosaic karyotype with two marker chromosomes derived from chromosomes 6 and 9 and ring form ...
... derived from chromosome 6 (ring formation) and the X chromosome afflicted with dysmorphic features, microcephaly, delayed development, and seizures. The other proband, identified by Aalfs et al. (1996), had a mosaic karyotype with two marker chromosomes derived from chromosomes 6 and 9 and ring form ...
EOCT PREP - Reed Biology
... • 19) In the Punnett shown, two plants that are alike genetically were crossed. The predicted ratios of offspring can be found in the four boxes. How many of the offspring in the boxes will look like the parents? • A)one • B)four • C)three • D)two ...
... • 19) In the Punnett shown, two plants that are alike genetically were crossed. The predicted ratios of offspring can be found in the four boxes. How many of the offspring in the boxes will look like the parents? • A)one • B)four • C)three • D)two ...
Interaction of nonsense suppressor tRNAs and codon nonsense
... wobble base. The SUP53 intron was mutated and the suppressor function of these mutant tRNA genes was assayed after their integration into the S. cerevisiae genome. Mutant analysis demonstrated that the totally intact precursor tRNA was necessary for efficient nonsense suppression by tRNASUP53. Less ...
... wobble base. The SUP53 intron was mutated and the suppressor function of these mutant tRNA genes was assayed after their integration into the S. cerevisiae genome. Mutant analysis demonstrated that the totally intact precursor tRNA was necessary for efficient nonsense suppression by tRNASUP53. Less ...
The Effect of OmpA Expression on Hfr Conjugation Efficiency
... strains. These results suggest that OmpA- strains, C156 and C158, are able to participate in Hfr conjugations; however, these conjugations are not as efficient as wild-type (C149) strains. Introduction of plasmid-expressed functional ompA did not improve the conjugation efficiencies of the respectiv ...
... strains. These results suggest that OmpA- strains, C156 and C158, are able to participate in Hfr conjugations; however, these conjugations are not as efficient as wild-type (C149) strains. Introduction of plasmid-expressed functional ompA did not improve the conjugation efficiencies of the respectiv ...
The beginning of a seed: regulatory mechanisms of double fertilization
... support molecules derived from the sporophytic and gametophytic tissues of the female flower organs. Pollen grains placed on the stigma (Figure 1A) by contact, wind or different pollinators stick to the papilla cells and start to hydrate followed by their germination. The efficient adhesion of the p ...
... support molecules derived from the sporophytic and gametophytic tissues of the female flower organs. Pollen grains placed on the stigma (Figure 1A) by contact, wind or different pollinators stick to the papilla cells and start to hydrate followed by their germination. The efficient adhesion of the p ...
A Fine Physical Map of Arabidopsis thaliana Chromosome 5
... A fine physical map of Arabidopsis thaliana chromosome 5 was constructed by ordering the clones from YAC, PI, TAC and BAC libraries of the genome using the sequences of a variety of genetic and EST markers and terminal sequences of clones. The markers used were 88 genetic markers, 13 EST markers, 87 ...
... A fine physical map of Arabidopsis thaliana chromosome 5 was constructed by ordering the clones from YAC, PI, TAC and BAC libraries of the genome using the sequences of a variety of genetic and EST markers and terminal sequences of clones. The markers used were 88 genetic markers, 13 EST markers, 87 ...
jing is required for wing development and to establish the
... To analyze further the relationship between hth and jing, we characterized jing’s role in adult development. Because strong alleles of jing are lethal when homozygous, we performed a clonal analysis using the alleles jing22F3 and jing47H6, two strong and possibly null alleles that gave similar pheno ...
... To analyze further the relationship between hth and jing, we characterized jing’s role in adult development. Because strong alleles of jing are lethal when homozygous, we performed a clonal analysis using the alleles jing22F3 and jing47H6, two strong and possibly null alleles that gave similar pheno ...
genetics - Krishikosh
... This Study Guide and Workbook has been prepared for use with the recorded audiovisual series on 'Principles of Genetics". Near the beginning of the book you will find introductions to the distinguished -;eneticists who lectured in this series. For each of their lectures I have provided a chapter con ...
... This Study Guide and Workbook has been prepared for use with the recorded audiovisual series on 'Principles of Genetics". Near the beginning of the book you will find introductions to the distinguished -;eneticists who lectured in this series. For each of their lectures I have provided a chapter con ...
Arabidopsis hair cell morphogenesis in encodes a cellulose
... homozygous for recessive loss of function alleles stop growing soon after the formation of a bulge (Schiefelbein and Somerville 1990). Later-acting genes such as COW1 (Grierson et al. 1997), TIP1 (Ryan et al. 1998), and RHD3 (Galway et al. 1997), and RHD4 are active in the maintenance of hair elonga ...
... homozygous for recessive loss of function alleles stop growing soon after the formation of a bulge (Schiefelbein and Somerville 1990). Later-acting genes such as COW1 (Grierson et al. 1997), TIP1 (Ryan et al. 1998), and RHD3 (Galway et al. 1997), and RHD4 are active in the maintenance of hair elonga ...
Calculating the Number of Genes
... • odd numbers of ploidy are not usually maintained, – 3n, 5n, etc. • rarely found in organisms that rely on sexual propagation. ...
... • odd numbers of ploidy are not usually maintained, – 3n, 5n, etc. • rarely found in organisms that rely on sexual propagation. ...
Requirement for chitin biosynthesis in epithelial tube morphogenesis. Proc. Natl. Acad. Sci. USA 102: 17014-17019. pdf
... tubes that transport vital fluids or gases. The proper size and shape of tubes are crucial for their transport function, but the molecular processes that govern tube size and shape are not well understood. Here we show that three genes required for tracheal tube morphogenesis in Drosophila melanogas ...
... tubes that transport vital fluids or gases. The proper size and shape of tubes are crucial for their transport function, but the molecular processes that govern tube size and shape are not well understood. Here we show that three genes required for tracheal tube morphogenesis in Drosophila melanogas ...
A genome-wide analysis of DNA methylation in buccal - VU-DARE
... mechanisms; non-DNA sequence-based regulation of gene expression by DNA methylation, histone modification, microRNAs etc 5. DNA methylation is one of the most extensively studied epigenetic mechanisms in human populations and tissues, and is the focus of this paper. In humans, DNA methylation occurs ...
... mechanisms; non-DNA sequence-based regulation of gene expression by DNA methylation, histone modification, microRNAs etc 5. DNA methylation is one of the most extensively studied epigenetic mechanisms in human populations and tissues, and is the focus of this paper. In humans, DNA methylation occurs ...
The X Chromosome in Quantitative Trait Locus Mapping
... In tackling the problem of how to assign a LOD threshold for the X chromosome, then, one might choose to ensure that the power to detect a QTL on the X chromosome is the same as that for the autosomes. This is tricky, however, in that the nature of the effect of an X chromosome QTL can be markedly d ...
... In tackling the problem of how to assign a LOD threshold for the X chromosome, then, one might choose to ensure that the power to detect a QTL on the X chromosome is the same as that for the autosomes. This is tricky, however, in that the nature of the effect of an X chromosome QTL can be markedly d ...
C. neoformans
... N2 nematodes were fed on lawns of C. neoformans and then at different time-points transferred to lawns of non-pathogenic cryptococci. All nematodes that survived transfer were rescued, regained normal non-distended anatomy and no C. neoformans yeast cells could be cultured followed “grinding” of the ...
... N2 nematodes were fed on lawns of C. neoformans and then at different time-points transferred to lawns of non-pathogenic cryptococci. All nematodes that survived transfer were rescued, regained normal non-distended anatomy and no C. neoformans yeast cells could be cultured followed “grinding” of the ...