Multiple classes of yeast mutants are defective in vacuole
... the complementation groups exhibit normal vacuolar morphology. Zygote studies revealed that these vac mutants are also defective in intervacuole communication. Although at least four pathways of protein delivery to the vacuole are known, only the Vps pathway seems to significantly overlap with vacuo ...
... the complementation groups exhibit normal vacuolar morphology. Zygote studies revealed that these vac mutants are also defective in intervacuole communication. Although at least four pathways of protein delivery to the vacuole are known, only the Vps pathway seems to significantly overlap with vacuo ...
Rho signaling pathway and apical constriction in the - ICB-USP
... To confirm that the apical actin network in early placodes participates actively in the early events of its invagination, we analyzed the distribution dynamics of Phosphorylated Myosin Light Chain (p-MLC) in the same developmental stages. Phosphorylation of MLC at serine 19 increases myosin II filamen ...
... To confirm that the apical actin network in early placodes participates actively in the early events of its invagination, we analyzed the distribution dynamics of Phosphorylated Myosin Light Chain (p-MLC) in the same developmental stages. Phosphorylation of MLC at serine 19 increases myosin II filamen ...
Nuclear-fallout, a Drosophila protein that cycles from the cytoplasm
... The early Drosophila embryo is a particularly useful system to analyze centrosome function because centrosomes mediate dramatic and readily visualized nuclear and cytoskeletal dynamics at this stage. Early Drosophila development is characterized by thirteen rapid synchronous nuclear divisions that o ...
... The early Drosophila embryo is a particularly useful system to analyze centrosome function because centrosomes mediate dramatic and readily visualized nuclear and cytoskeletal dynamics at this stage. Early Drosophila development is characterized by thirteen rapid synchronous nuclear divisions that o ...
Chromosome Dynamics in Meiotic Prophase I in
... While the static approaches using fixed cells continue to provide a wealth of information on meiotic prophase chromosome behavior, they are unavoidably limited in depicting the true chromosome dynamics. Live microscopy studies in unicellular lower eukaryotes, fission yeast Schizosaccharomyces pombe ...
... While the static approaches using fixed cells continue to provide a wealth of information on meiotic prophase chromosome behavior, they are unavoidably limited in depicting the true chromosome dynamics. Live microscopy studies in unicellular lower eukaryotes, fission yeast Schizosaccharomyces pombe ...
Polarization of the endomembrane system is an early event in fucoid
... Establishing cell polarity in eukaryotes is dependent upon highly regulated endomembrane cycling (endocytosis, exocytosis and inter-organelle trafficking) [1-3]. Regulated endomembrane cycling allows for delivery and removal of specific molecules at localized sites, which facilitates formation of mo ...
... Establishing cell polarity in eukaryotes is dependent upon highly regulated endomembrane cycling (endocytosis, exocytosis and inter-organelle trafficking) [1-3]. Regulated endomembrane cycling allows for delivery and removal of specific molecules at localized sites, which facilitates formation of mo ...
Research
... from point mutations to extensive genome rearrangements that result in new combinations of alleles (Rustchenko and Sherman, 2003; Forche et al., 2008). Organisms with complete sexual cycles generate diversity during meiosis. In C. albicans, mating and karyogamy between cells of opposite mating type ...
... from point mutations to extensive genome rearrangements that result in new combinations of alleles (Rustchenko and Sherman, 2003; Forche et al., 2008). Organisms with complete sexual cycles generate diversity during meiosis. In C. albicans, mating and karyogamy between cells of opposite mating type ...
Apoptotic and Epigenetic Induction of Embryo Failure Following
... cells to generate clones (Gurdon, 1962). In a later study, Gurdon successfully used keratinocytes from adult Xenopus as donor cells (Gurdon et al., 1975). While these experiments produced tadpoles, neither group was successful in generating adult frogs from cloning experiments. In 1975, Bromhall was ...
... cells to generate clones (Gurdon, 1962). In a later study, Gurdon successfully used keratinocytes from adult Xenopus as donor cells (Gurdon et al., 1975). While these experiments produced tadpoles, neither group was successful in generating adult frogs from cloning experiments. In 1975, Bromhall was ...
Ions and Pollen Tube Growth
... the intracellular distribution of H+ reveal that pollen tubes possess a unique intracellular pH gradient (Feijó et al. 1999). However, because of the much greater mobility of H+ when compared to that of Ca2+ , it has been difficult to observe these pH gradients (Fricker et al. 1997; Parton et al. 199 ...
... the intracellular distribution of H+ reveal that pollen tubes possess a unique intracellular pH gradient (Feijó et al. 1999). However, because of the much greater mobility of H+ when compared to that of Ca2+ , it has been difficult to observe these pH gradients (Fricker et al. 1997; Parton et al. 199 ...
Saliva of the Lyme Disease Vector, Lxodes dammini, Blocks
... inoculation but these responses are greatly delayed or are nonexistent in animals infected with similar numbers of spirochetes delivered by infected ticks (12, 13). This suggests that tick saliva modifies the host-specific T and B cell response to the Lyme spirochete. However, the immunological mech ...
... inoculation but these responses are greatly delayed or are nonexistent in animals infected with similar numbers of spirochetes delivered by infected ticks (12, 13). This suggests that tick saliva modifies the host-specific T and B cell response to the Lyme spirochete. However, the immunological mech ...
Thesis - KI Open Archive
... DNA replication is a highly controlled process that allows the duplication of the genome in a rapid and accurate manner. In eukaryotes, replication is started at multiple origins on each chromosome to allow swift replication completion of the large genomes. At an origin, two replication machineries ...
... DNA replication is a highly controlled process that allows the duplication of the genome in a rapid and accurate manner. In eukaryotes, replication is started at multiple origins on each chromosome to allow swift replication completion of the large genomes. At an origin, two replication machineries ...
Telomeres do the (un)twist: helicase actions at chromosome termini
... below) indicate that telomere defects contribute centrally to the pathogenesis of the ...
... below) indicate that telomere defects contribute centrally to the pathogenesis of the ...
Wood - 2010 - Nat Rev Genet
... associate with the nucleolus. Condensin binds all yeast tDNA genes24,25, and disruption of any condensin subunit causes the dispersal of tDNA clusters and infrequent association with the nucleolus. Chemical inhibition of RNAPIII transcription has little effect on condensin binding to tDNA loci, show ...
... associate with the nucleolus. Condensin binds all yeast tDNA genes24,25, and disruption of any condensin subunit causes the dispersal of tDNA clusters and infrequent association with the nucleolus. Chemical inhibition of RNAPIII transcription has little effect on condensin binding to tDNA loci, show ...
Enzymes That Scavenge Reactive Oxygen
... the number of living cells (green fluorescence) and an increase in the number of dead cells (orange/red fluorescence; Fig. 1, B, D, and F). The extent of cell death at several time points was quantified by counting the number of living and dead cells (Fig. 1G). Virtually all cells in GA-treated aleu ...
... the number of living cells (green fluorescence) and an increase in the number of dead cells (orange/red fluorescence; Fig. 1, B, D, and F). The extent of cell death at several time points was quantified by counting the number of living and dead cells (Fig. 1G). Virtually all cells in GA-treated aleu ...
Architecture and Biosynthesis of the Saccharomyces cerevisiae Cell
... Electron micrographs of thin sections through the wall of vegetative cells reveal two layers. The outer one is electrondense, has a brush-like surface (Osumi et al. 1998) (Baba et al. 1989; Osumi et al. 1998); Kapteyn et al. 1999a; Hagen et al. 2004; Yamaguchi et al. 2011), and can be removed by pro ...
... Electron micrographs of thin sections through the wall of vegetative cells reveal two layers. The outer one is electrondense, has a brush-like surface (Osumi et al. 1998) (Baba et al. 1989; Osumi et al. 1998); Kapteyn et al. 1999a; Hagen et al. 2004; Yamaguchi et al. 2011), and can be removed by pro ...
Functional Analysis of Class 1 RSL Genes in Caulonema and
... spores. The protonemal filaments comprise two different types of cells, chloronema and caulonema. The first cells to develop from the spore are chloronema (Cove and Knight, 1993). Chloronema cells are short and contain numerous chloroplasts and perpendicular cell walls, compared to caulonema. The nu ...
... spores. The protonemal filaments comprise two different types of cells, chloronema and caulonema. The first cells to develop from the spore are chloronema (Cove and Knight, 1993). Chloronema cells are short and contain numerous chloroplasts and perpendicular cell walls, compared to caulonema. The nu ...
Auxin and other signals on the move in plants Auxins are a class of
... Water, nutrients, biomolecules and organisms such as viruses and fungi are all examples of cargos that get transported throughout the plant by one or several different transport mechanisms. Mineral nutrients, such as nitrogen, sulfur, phosphorus, magnesium, calcium and potassium, are taken up from t ...
... Water, nutrients, biomolecules and organisms such as viruses and fungi are all examples of cargos that get transported throughout the plant by one or several different transport mechanisms. Mineral nutrients, such as nitrogen, sulfur, phosphorus, magnesium, calcium and potassium, are taken up from t ...
Mitochondrial Dynamics
... localizes to the inner surface of the cell membrane at division sites, where it forms a ring structure (Z ring) that enables constriction and scission of the parent into two daughter cells. FtsZ is a GTPase, which can hydrolyze guanosine triphosphate to provide a source of energy. However, it is tho ...
... localizes to the inner surface of the cell membrane at division sites, where it forms a ring structure (Z ring) that enables constriction and scission of the parent into two daughter cells. FtsZ is a GTPase, which can hydrolyze guanosine triphosphate to provide a source of energy. However, it is tho ...
Maize meiotic mutants with improper or non
... against ZYP1 and the lateral element components AFD1 and ASY1, it was found that most mutants form normal SCs but are defective in pairing. The large number of non-homologous synapsis mutants defective in pairing illustrates that synapsis and pairing can be uncoupled. Of the ten mutants studied, onl ...
... against ZYP1 and the lateral element components AFD1 and ASY1, it was found that most mutants form normal SCs but are defective in pairing. The large number of non-homologous synapsis mutants defective in pairing illustrates that synapsis and pairing can be uncoupled. Of the ten mutants studied, onl ...
Cellulose Biosynthesis in Oomycetes
... form coenocytic hyphae. The cell wall of Oomycetes, as opposed to that of fungi, contains cellulose. Most stages in the Oomycete life cycles are diploid (Hardham, 2007). Oomycetes have evolved a saphrophytic and sometimes pathogenic life style. Some species combine both life styles, ...
... form coenocytic hyphae. The cell wall of Oomycetes, as opposed to that of fungi, contains cellulose. Most stages in the Oomycete life cycles are diploid (Hardham, 2007). Oomycetes have evolved a saphrophytic and sometimes pathogenic life style. Some species combine both life styles, ...
1 PLASTID OSMOTIC STRESS INFLUENCES CELL
... The balance between proliferation and differentiation in the plant shoot apical meristem is controlled ...
... The balance between proliferation and differentiation in the plant shoot apical meristem is controlled ...
Cytokinins regulate vascular morphogenesis in the Arabidopsis
... expression patterns ........................................................ 41 1.8 Vascular phenotypes of the CRE-family mutants correlate with their cytokinin responses ................................................. 41 1.8.1 CRE-family triple mutant is completely resistant to cytokinins ..... 4 ...
... expression patterns ........................................................ 41 1.8 Vascular phenotypes of the CRE-family mutants correlate with their cytokinin responses ................................................. 41 1.8.1 CRE-family triple mutant is completely resistant to cytokinins ..... 4 ...
Altered & Disordered Physiology - CH 056
... • Haem is the portion of the Hb molecule which is catabolised to form bilirubin. • Bilirubin is then handled by the liver prior to its excretion in urine and in faeces. • Haem also forms the prosthetic group in molecules other than haemoglobin. RHY/CH0576 ...
... • Haem is the portion of the Hb molecule which is catabolised to form bilirubin. • Bilirubin is then handled by the liver prior to its excretion in urine and in faeces. • Haem also forms the prosthetic group in molecules other than haemoglobin. RHY/CH0576 ...
Plant Growth Regulators II: Cytokinins, their Analogues and
... modify responses and indeed hormone levels themselves. The reason for this appears to be that hormones (and growth regulators) and environmental factors share many components in their transduction chains (i.e. the very early events which occur after the signal - abiotic or biotic - is perceived by t ...
... modify responses and indeed hormone levels themselves. The reason for this appears to be that hormones (and growth regulators) and environmental factors share many components in their transduction chains (i.e. the very early events which occur after the signal - abiotic or biotic - is perceived by t ...