Conserved functions of retinoblastoma proteins: From purple retina
... regulation of the cell cycle, differentiation and apoptotic pathways of specific cell types. Discoveries in the past decade have shown that key elements of the RB regulatory network also exist in higher plants which control a wide range of cellular functions, including cell division cycle and differ ...
... regulation of the cell cycle, differentiation and apoptotic pathways of specific cell types. Discoveries in the past decade have shown that key elements of the RB regulatory network also exist in higher plants which control a wide range of cellular functions, including cell division cycle and differ ...
Optical measurement of cell membrane tension
... value for the bending modulus obtained from the fit is κ = ( 0.7 ± 0.12 ) × 10−20 J and the tension coefficient was σ = ( 3.5 ± 0.6 ) × 10−7 J/m2. These values agree very well with what was measured on vesicles using pipette aspiration 26. Blood samples were collected and centrifuged for 10 minutes ...
... value for the bending modulus obtained from the fit is κ = ( 0.7 ± 0.12 ) × 10−20 J and the tension coefficient was σ = ( 3.5 ± 0.6 ) × 10−7 J/m2. These values agree very well with what was measured on vesicles using pipette aspiration 26. Blood samples were collected and centrifuged for 10 minutes ...
(From tl~ Laboratories of The Rockefeller Institute far Medical
... system so that this will be discussed first and in more detail. Table I shows that at a mustard concentration of 0.8 X 10-8 ~ the phage formation is still 50 per cent or more of the untreated control but the number of organisms which can multiply in a veal-peptone infusion has decreased from 1 X l0 ...
... system so that this will be discussed first and in more detail. Table I shows that at a mustard concentration of 0.8 X 10-8 ~ the phage formation is still 50 per cent or more of the untreated control but the number of organisms which can multiply in a veal-peptone infusion has decreased from 1 X l0 ...
Stem cells in the light of evolution
... like human4. The process in which a stem cell gives rise to daughter cells with definite probability of being either stem cells or committed progenitors is evident in a vast majority of mammalian self-renewing tissues. Generally, each stem cell division gives rise to a stem and a committed daughter ...
... like human4. The process in which a stem cell gives rise to daughter cells with definite probability of being either stem cells or committed progenitors is evident in a vast majority of mammalian self-renewing tissues. Generally, each stem cell division gives rise to a stem and a committed daughter ...
Pomegranate Ellagitannin–Derived Compounds Exhibit
... Estrogen stimulates the proliferation of breast cancer cells and the growth of estrogen-responsive tumors. The aromatase enzyme, which converts androgen to estrogen, plays a key role in breast carcinogenesis. The pomegranate fruit, a rich source of ellagitannins (ET), has attracted recent attention ...
... Estrogen stimulates the proliferation of breast cancer cells and the growth of estrogen-responsive tumors. The aromatase enzyme, which converts androgen to estrogen, plays a key role in breast carcinogenesis. The pomegranate fruit, a rich source of ellagitannins (ET), has attracted recent attention ...
as a PDF
... lines proliferated only when antigen was presented in the context of a responder DR allele but not when presented in the context of a low responder DR allele. Analysis of immune sera revealed that those from donors with PBMC proliferative responses always contained antibodies reactive with B cell ep ...
... lines proliferated only when antigen was presented in the context of a responder DR allele but not when presented in the context of a low responder DR allele. Analysis of immune sera revealed that those from donors with PBMC proliferative responses always contained antibodies reactive with B cell ep ...
PDF
... mouse ESCs, conventional human ESCs exhibit a pronounced tendency for X-chromosome inactivation in female cells, and are generally less amenable to genetic manipulation (Buecker and Geijsen, 2010; Hanna et al., 2010b). In this regard, it was postulated that conventional human ESCs might bear a great ...
... mouse ESCs, conventional human ESCs exhibit a pronounced tendency for X-chromosome inactivation in female cells, and are generally less amenable to genetic manipulation (Buecker and Geijsen, 2010; Hanna et al., 2010b). In this regard, it was postulated that conventional human ESCs might bear a great ...
Cell cycle–dependent phosphorylation of Sec4p controls membrane
... of the ∼60 human Rabs containing at least one phosphorylated residue (Hornbeck et al., 2015); however, very little is known about the kinases and cellular pathways involved in regulating phosphorylation and how these modifications may affect function. Previous work using Saccharomyces cerevisiae Rab ...
... of the ∼60 human Rabs containing at least one phosphorylated residue (Hornbeck et al., 2015); however, very little is known about the kinases and cellular pathways involved in regulating phosphorylation and how these modifications may affect function. Previous work using Saccharomyces cerevisiae Rab ...
Suppression of a mitotic mutant by tRNA
... Approximately two rounds of cell division occurred before the cease of cell number increase in the cultures of scn1 and scn2 (Fig. 1B). In addition, cell elongation was observed at 20°C (Fig. 1C). The average cell length of scn1 mutant cells after 24 hours at 20°C increased from 10.7 µm to 14.1 µm, ...
... Approximately two rounds of cell division occurred before the cease of cell number increase in the cultures of scn1 and scn2 (Fig. 1B). In addition, cell elongation was observed at 20°C (Fig. 1C). The average cell length of scn1 mutant cells after 24 hours at 20°C increased from 10.7 µm to 14.1 µm, ...
to the complete text
... in these organisms by changing medium osmolality (Lew et al. 2004; Lew & Levina 2007). Nevertheless, the significance of turgor as a driving force is not at all apparent from the observation that homeostatic mechanisms maintain relatively constant levels of pressure in fungi like Neurospora crassa o ...
... in these organisms by changing medium osmolality (Lew et al. 2004; Lew & Levina 2007). Nevertheless, the significance of turgor as a driving force is not at all apparent from the observation that homeostatic mechanisms maintain relatively constant levels of pressure in fungi like Neurospora crassa o ...
9) Senescence and programmed cell death (PCD)
... Microsporogenesis (pollen development) – tapetal cells die, content of cytoplasm (proteins, lipids) is deposited on the surface of pollen grain; death of tapetum = PCD Embryo development – zygote divides in 2 cells; one cell gives development of embryo, second cell gives development of suspensor; su ...
... Microsporogenesis (pollen development) – tapetal cells die, content of cytoplasm (proteins, lipids) is deposited on the surface of pollen grain; death of tapetum = PCD Embryo development – zygote divides in 2 cells; one cell gives development of embryo, second cell gives development of suspensor; su ...
Chapter List
... in the macromolecules. How do the macromolecules interact within cells? Know storage polysaccharides: starch in plants; glycogen in animals (shows us evolutionarily we have been separate a long time); structural polysaccharides: cellulose makes up cell walls of plants, chitin makes up cell walls of ...
... in the macromolecules. How do the macromolecules interact within cells? Know storage polysaccharides: starch in plants; glycogen in animals (shows us evolutionarily we have been separate a long time); structural polysaccharides: cellulose makes up cell walls of plants, chitin makes up cell walls of ...
reviews
... circuits that tightly control cell growth and differentiation in the mammalian embryo from the blastocyst stage, through the establishment of initial anterior–posterior polarity, to gastrulation, when the germ cells are set aside and the three primary germ layers are specified. Relevant studies in l ...
... circuits that tightly control cell growth and differentiation in the mammalian embryo from the blastocyst stage, through the establishment of initial anterior–posterior polarity, to gastrulation, when the germ cells are set aside and the three primary germ layers are specified. Relevant studies in l ...
somatic hybridization - GCG-42
... • Hanstein introduced the term ‘Protoplast’. • The isolation of protoplasts from was first achieved through by Klercker (1892) on plasmolysed cells. • Cooking (1960) for the first time isolated the protoplasts of plant tissues by using cell wall degrading enzymes viz., cellulase, hemicellulase, pect ...
... • Hanstein introduced the term ‘Protoplast’. • The isolation of protoplasts from was first achieved through by Klercker (1892) on plasmolysed cells. • Cooking (1960) for the first time isolated the protoplasts of plant tissues by using cell wall degrading enzymes viz., cellulase, hemicellulase, pect ...
Myc Requires Distinct E2F Activities to Induce S Phase
... been identified that could play a role in the action of Myc in cell proliferation control. These include genes that encode proteins involved in DNA replication, such as ornithine decarboxylase (Wagner et al., 1993; BelloFernandez et al., 1993), proteins that function in the G1 transition, such as Cu ...
... been identified that could play a role in the action of Myc in cell proliferation control. These include genes that encode proteins involved in DNA replication, such as ornithine decarboxylase (Wagner et al., 1993; BelloFernandez et al., 1993), proteins that function in the G1 transition, such as Cu ...
Gumbo JR and Cloete TE
... Electron microscopy observations revealed at least two mechanisms of M. aeruginosa cell death upon exposure to B. mycoides i.e. cell membrane lysis and shadowing of algal cells leading to photo-inhibition. There were ultra-structural changes that occurred in bacteria treated M. aeruginosa cells. SEM ...
... Electron microscopy observations revealed at least two mechanisms of M. aeruginosa cell death upon exposure to B. mycoides i.e. cell membrane lysis and shadowing of algal cells leading to photo-inhibition. There were ultra-structural changes that occurred in bacteria treated M. aeruginosa cells. SEM ...
Biology II pacing Guide 5-10-2012-i1
... Relate gene expression (e.g., replication, transcription, translation) to protein structure and function. (DOK 2) • Translation of a messenger RNA strand into a protein • Processing by organelles so that the protein is appropriately packaged, labeled, and eventually exported by the cell • Messenger ...
... Relate gene expression (e.g., replication, transcription, translation) to protein structure and function. (DOK 2) • Translation of a messenger RNA strand into a protein • Processing by organelles so that the protein is appropriately packaged, labeled, and eventually exported by the cell • Messenger ...
Name___________________ Viruses Read
... diseases caused by viruses since they cannot be destroyed with antibiotics. Vaccines contain some of the virus in a weakened form so that the body can develop antibodies to fight the disease should the person ever come in to full contact with it. Scientists have developed antiviral drugs as well. Ho ...
... diseases caused by viruses since they cannot be destroyed with antibiotics. Vaccines contain some of the virus in a weakened form so that the body can develop antibodies to fight the disease should the person ever come in to full contact with it. Scientists have developed antiviral drugs as well. Ho ...
Biosynthesis and properties of the plant cell wall Wolf
... Wolf-Dieter Reiter The characterization of cell wall mutants of Arabidopsis thaliana, combined with biochemical approaches toward the purification and characterization of glycosyltransferases, has led to significant advances in understanding cell wall synthesis and the properties of cell walls. New ...
... Wolf-Dieter Reiter The characterization of cell wall mutants of Arabidopsis thaliana, combined with biochemical approaches toward the purification and characterization of glycosyltransferases, has led to significant advances in understanding cell wall synthesis and the properties of cell walls. New ...
msc_botnay_pre_pap1_bl1 - Madhya Pradesh Bhoj Open
... nucleoli condense into compact structure known as chromosomes. The outer boundary of the nucleus is formed by two concentric membrane that together forms the nuclear envelope. Connections are observed between the outer membrane of the nuclear envelope & ER. The most distinctive structural feature of ...
... nucleoli condense into compact structure known as chromosomes. The outer boundary of the nucleus is formed by two concentric membrane that together forms the nuclear envelope. Connections are observed between the outer membrane of the nuclear envelope & ER. The most distinctive structural feature of ...
Sample Chapter
... that includes many known cell structures (fig. 3.3). A cell consists of three major parts—the nucleus (nu′kle-us), the cytoplasm (si′to-plazm), and the cell membrane. The nucleus is innermost and is enclosed by Chapter Three ...
... that includes many known cell structures (fig. 3.3). A cell consists of three major parts—the nucleus (nu′kle-us), the cytoplasm (si′to-plazm), and the cell membrane. The nucleus is innermost and is enclosed by Chapter Three ...