Sir John B. Gurdon - Nobel Lecture: The Egg and
... The Egg and the Nucleus: A Battle for Supremacy237 Epigenetic memory In addition to the rapid DNA replication and cell division enforced on a transplanted somatic nucleus, there are other ways in which we may account for the progressively decreasing success rate of nuclear transfers from different ...
... The Egg and the Nucleus: A Battle for Supremacy237 Epigenetic memory In addition to the rapid DNA replication and cell division enforced on a transplanted somatic nucleus, there are other ways in which we may account for the progressively decreasing success rate of nuclear transfers from different ...
Q4 Lab Biology Final Exam Study Guide
... 41. Explain the purpose of meiosis. 42. Describe the phases of meiosis: 43. Explain the difference between the haploid and diploid number of chromosomes in a cell. What type of cells would be associated with each type of cell? 44. Identify 3 differences between mitosis and meiosis. 45. Describe how ...
... 41. Explain the purpose of meiosis. 42. Describe the phases of meiosis: 43. Explain the difference between the haploid and diploid number of chromosomes in a cell. What type of cells would be associated with each type of cell? 44. Identify 3 differences between mitosis and meiosis. 45. Describe how ...
Lineage dependent differentiation in Xcl1 - Development
... For further analysis of the developmental effects of Xcl1, we focused on the homozygous Xcl1 phenotype. The ZmOCL family of HDZIP genes are expressed in the protoderm of leaves and other organs (Ingram et al., 2000). ZmOCL5 mRNA was detected only in the outer cell layer of meristems and young leaves ...
... For further analysis of the developmental effects of Xcl1, we focused on the homozygous Xcl1 phenotype. The ZmOCL family of HDZIP genes are expressed in the protoderm of leaves and other organs (Ingram et al., 2000). ZmOCL5 mRNA was detected only in the outer cell layer of meristems and young leaves ...
Nongenic transcription, gene regulation and action at a distance
... et al., 1983). Although a histone ‘code’ forms part of this context (Jenuwein and Allis, 2001; Kurdistani and Grunstein, 2003), there must be additional layers of control; yeast mutants lacking the N-terminal tails that carry the code are viable (Grunstein, 1990), and depleting histone H4 has little ...
... et al., 1983). Although a histone ‘code’ forms part of this context (Jenuwein and Allis, 2001; Kurdistani and Grunstein, 2003), there must be additional layers of control; yeast mutants lacking the N-terminal tails that carry the code are viable (Grunstein, 1990), and depleting histone H4 has little ...
1. Modelling the cell cycle in proliferating cell populations
... (Here, v(a)=1, a* is the cell cycle duration, and is the time during which the 1-periodic control is actually exerted on cell division) Then it can be shown that the eigenvalue problem: ...
... (Here, v(a)=1, a* is the cell cycle duration, and is the time during which the 1-periodic control is actually exerted on cell division) Then it can be shown that the eigenvalue problem: ...
Gene Section ERG (v-ets erythroblastosis virus E26 oncogene like (avian))
... The EWS gene fuses with the carboxy terminal of ERG containing the ets DNA binding domain of ERG. Oncogenesis In a transgenic mouse model expression of the EWSERG in lymphoid progenitors induced T-cell leukemia. ...
... The EWS gene fuses with the carboxy terminal of ERG containing the ets DNA binding domain of ERG. Oncogenesis In a transgenic mouse model expression of the EWSERG in lymphoid progenitors induced T-cell leukemia. ...
RanBPM is essential for mouse spermatogenesis and oogenesis
... hormone (LH) and testosterone were comparable to those of control littermates, suggesting an intrinsic role for RanBPM in testis development (data not shown). Spermatogonia proliferation is reduced in RanBPM–/– mice To investigate at which stage testicular function starts to be affected by the mutat ...
... hormone (LH) and testosterone were comparable to those of control littermates, suggesting an intrinsic role for RanBPM in testis development (data not shown). Spermatogonia proliferation is reduced in RanBPM–/– mice To investigate at which stage testicular function starts to be affected by the mutat ...
Cell-death mechanisms in maize
... the pathogen. This interaction appears to initiate a signal transduction pathway leading to the HR. The molecular mechanisms of HR cell death involve ion fluxes, the production of reactive oxygen species and lipid peroxidations, all of which can occur during the PCD process1,2,4. The function of a r ...
... the pathogen. This interaction appears to initiate a signal transduction pathway leading to the HR. The molecular mechanisms of HR cell death involve ion fluxes, the production of reactive oxygen species and lipid peroxidations, all of which can occur during the PCD process1,2,4. The function of a r ...
RanBPM is essential for mouse spermatogenesis and oogenesis
... hormone (LH) and testosterone were comparable to those of control littermates, suggesting an intrinsic role for RanBPM in testis development (data not shown). Spermatogonia proliferation is reduced in RanBPM–/– mice To investigate at which stage testicular function starts to be affected by the mutat ...
... hormone (LH) and testosterone were comparable to those of control littermates, suggesting an intrinsic role for RanBPM in testis development (data not shown). Spermatogonia proliferation is reduced in RanBPM–/– mice To investigate at which stage testicular function starts to be affected by the mutat ...
Conspiracy of silence among repeated transgenes
... number of copies within a small array at a single site led to the demonstration of repeat-induced gene silencing (RIGS) in Arabidopsis thaliana,(12) and this silencing has been shown to alter local chromatin structure.(13) In Neurospora, vegetative gene silencing at repeats(14) might also be a manif ...
... number of copies within a small array at a single site led to the demonstration of repeat-induced gene silencing (RIGS) in Arabidopsis thaliana,(12) and this silencing has been shown to alter local chromatin structure.(13) In Neurospora, vegetative gene silencing at repeats(14) might also be a manif ...
Mitosis in Drosophila development - Journal of Cell Science
... programme (Hartenstein and Campos-Ortega, 1985; Foe, personal communication). This is co-ordinated with a complex programme of gene expression in the morphogenesis of specific tissues within the embryo, which hatches as a larva after about 24 hours. Most of subsequent larval development involves cel ...
... programme (Hartenstein and Campos-Ortega, 1985; Foe, personal communication). This is co-ordinated with a complex programme of gene expression in the morphogenesis of specific tissues within the embryo, which hatches as a larva after about 24 hours. Most of subsequent larval development involves cel ...
The Effects of Plasmids of Genotype and Phenotype
... you can readily appreciate how this type of gene can cause serious medical problems when it occurs in pathogenic bacteria. For this reason, the plasmids such as pUC 18 which are used in recombinant DNA experiments were designed so that they cannot be exchanged with other bacteria except by special t ...
... you can readily appreciate how this type of gene can cause serious medical problems when it occurs in pathogenic bacteria. For this reason, the plasmids such as pUC 18 which are used in recombinant DNA experiments were designed so that they cannot be exchanged with other bacteria except by special t ...
Gadd45g Is Essential for Primary Sex Determination, Male
... other intracellular proteins, including p21 [1,2], PCNA [1,2], CRIF [3], CDK1 [4] and the MAP kinases p38 [5] and MAP3K4 [6]. They are implicated in the regulation of apoptosis, survival, senescence, cell cycle control, DNA repair and the response to physiological or environmental stress in mammalia ...
... other intracellular proteins, including p21 [1,2], PCNA [1,2], CRIF [3], CDK1 [4] and the MAP kinases p38 [5] and MAP3K4 [6]. They are implicated in the regulation of apoptosis, survival, senescence, cell cycle control, DNA repair and the response to physiological or environmental stress in mammalia ...
CELLS and HEREDITY - East Maine School District 63
... the body breaks down the starch into glucose (sugar cells use to get ...
... the body breaks down the starch into glucose (sugar cells use to get ...
Brian Yu - Comparison of Microarrayc and RNA-Seq Analysis Methods for Single Cell Transcriptiomics
... Independent component analysis (ICA) is another method to extract biological significant dimensions from microarray data. Compared to SVD, ICA assumes non-Gaussian expression variations and models the microarray observations as a linear combination of its components, which are chosen to be as indepe ...
... Independent component analysis (ICA) is another method to extract biological significant dimensions from microarray data. Compared to SVD, ICA assumes non-Gaussian expression variations and models the microarray observations as a linear combination of its components, which are chosen to be as indepe ...
Arabidopsis AtCAP-C Disruption of the SMC4 gene,
... lethality of these mutants parallels that found for orthologous gene mutations in other organisms. The viability of ttn3 (SMC2/AtCAP-E1) is due to functional redundancy conferred by a second, very similar gene, AtCAP-E2. Mutant analysis of these AtCAP-E genes revealed both male and female gametophyt ...
... lethality of these mutants parallels that found for orthologous gene mutations in other organisms. The viability of ttn3 (SMC2/AtCAP-E1) is due to functional redundancy conferred by a second, very similar gene, AtCAP-E2. Mutant analysis of these AtCAP-E genes revealed both male and female gametophyt ...
B.Sc. BOTANY AND BIOTECHNOLOGY (DOULE
... Designing a primer for a well characterized E.coli gene PCR amplification of the gene from E.coli DNA using the designed primer RAPD analysis of three closely related bacterial strains Note: Practical training of 36 hours duration should be given to students in the field of modern techniques in Mole ...
... Designing a primer for a well characterized E.coli gene PCR amplification of the gene from E.coli DNA using the designed primer RAPD analysis of three closely related bacterial strains Note: Practical training of 36 hours duration should be given to students in the field of modern techniques in Mole ...
1 Supporting Materials and Methods Plasmid expression vectors
... development, respectively [3,4]. The 5015-GAL4 driver line activates transgene expression in the PG and in salivary glands [5]. The phm-GAL4 driver line activates transgene expression in the PG and in the wing and leg discs of late 3rd instar larvae [6]. The tub-GAL4 driver line activates transgene ...
... development, respectively [3,4]. The 5015-GAL4 driver line activates transgene expression in the PG and in salivary glands [5]. The phm-GAL4 driver line activates transgene expression in the PG and in the wing and leg discs of late 3rd instar larvae [6]. The tub-GAL4 driver line activates transgene ...
Fra1 is essential for placental development
... Like all other Fos and Jun genes, Fra1 (Fos-related antigen 1; also termed Fosl1) is an immediate-early gene (Cohen and Curran, 1988; Cohen et al., 1989). The DNA-binding specificity of Fra1/Jun heterodimers is indistinguishable from that of Fos/Jun heterodimers on several AP-1 binding sites (Cohen ...
... Like all other Fos and Jun genes, Fra1 (Fos-related antigen 1; also termed Fosl1) is an immediate-early gene (Cohen and Curran, 1988; Cohen et al., 1989). The DNA-binding specificity of Fra1/Jun heterodimers is indistinguishable from that of Fos/Jun heterodimers on several AP-1 binding sites (Cohen ...
Leukaemia Section t(11;14)(q24;q32) IGH/miR -125b-1 Atlas of Genetics and Cytogenetics
... leukemic recurrence as bilateral ovarian tumors 7 years after allogenic bone marrow transplantation for BCPALL. Chapiro et al. reported two further adult cases: a female patient aged 45 years with an early-pre-B phenotype who died 21 months after diagnostic, and a male patient aged 33 years who were ...
... leukemic recurrence as bilateral ovarian tumors 7 years after allogenic bone marrow transplantation for BCPALL. Chapiro et al. reported two further adult cases: a female patient aged 45 years with an early-pre-B phenotype who died 21 months after diagnostic, and a male patient aged 33 years who were ...
Members of the RKD transcription factor family induce an egg cell
... on the notion that most cDNA libraries are made from tissues or plant organs in which egg cells and their transcripts are highly diluted or not present, the analysis was focused on 125 unique sequences which did not show any significant sequence similarity to more than one million publicly available ...
... on the notion that most cDNA libraries are made from tissues or plant organs in which egg cells and their transcripts are highly diluted or not present, the analysis was focused on 125 unique sequences which did not show any significant sequence similarity to more than one million publicly available ...
Generation of Highly Site-Specific DNA Double
... and flanking restriction cleavage sites. The resulting nls-Ppo fragment was ligated into the NotI site of pCMVb to generate pCNPpo6 (Fig. 1A). The I-CreI expression vector pCNCre3 was constructed from plasmid pI-CreI (21). The I-CreI open reading frame was amplified, cleaved with HhaI and then ligat ...
... and flanking restriction cleavage sites. The resulting nls-Ppo fragment was ligated into the NotI site of pCMVb to generate pCNPpo6 (Fig. 1A). The I-CreI expression vector pCNCre3 was constructed from plasmid pI-CreI (21). The I-CreI open reading frame was amplified, cleaved with HhaI and then ligat ...
Developmental timing in Dictyostelium is regulated by the Set1 histone methyltransferase
... to the self-interaction of chromatin proteins and the potential for some modifying enzymes to interact with their cognate modification while marking nearby nucleosomes (Danzer and Wallrath, 2004). Other modifications are more punctate in their genomic distribution (Bernstein et al., 2005), so their ...
... to the self-interaction of chromatin proteins and the potential for some modifying enzymes to interact with their cognate modification while marking nearby nucleosomes (Danzer and Wallrath, 2004). Other modifications are more punctate in their genomic distribution (Bernstein et al., 2005), so their ...
Axioms and axes in leaf formation? Andrew Hudson
... The PHAN gene of Antirrhinum encodes a MYB-like transcription factor [12••] and its expression is confined to organs from before primordium initiation, in a pattern reciprocal to that of an Antirrhinum STM gene. Because the phan mutant phenotype is conditional on temperature, it was possible to demo ...
... The PHAN gene of Antirrhinum encodes a MYB-like transcription factor [12••] and its expression is confined to organs from before primordium initiation, in a pattern reciprocal to that of an Antirrhinum STM gene. Because the phan mutant phenotype is conditional on temperature, it was possible to demo ...
Control of male germ-cell development in flowering plants
... in the male gametes. Transcriptome-based approaches to investigating male germ-line development Until recently little information was available regarding the gene expression programs underpinning flowering plant male germ-line initiation and male gamete development. This lack of knowledge was mainly ...
... in the male gametes. Transcriptome-based approaches to investigating male germ-line development Until recently little information was available regarding the gene expression programs underpinning flowering plant male germ-line initiation and male gamete development. This lack of knowledge was mainly ...