Histone H3 Phosphorylation Is Coupled to Poly-(ADP
... inhibitors induce PCC (Coco-Martin and Begg, 1997), protein phosphorylation must play an important role in this process. However, the targets for phosphorylation and the corresponding protein kinases are poorly defined. During the transition from the G2 phase into mitosis, relaxed interphase chromat ...
... inhibitors induce PCC (Coco-Martin and Begg, 1997), protein phosphorylation must play an important role in this process. However, the targets for phosphorylation and the corresponding protein kinases are poorly defined. During the transition from the G2 phase into mitosis, relaxed interphase chromat ...
Regulation by Polyamines of Ornithine
... whereas in untreated and putrescine- or spermidinetreated cultures, cells lost their motility before cell division (data not shown; for references, see Harris, 1989). These findings indicate that spermine affects the transition from the G1 to the S phase. In this context, it is important to know tha ...
... whereas in untreated and putrescine- or spermidinetreated cultures, cells lost their motility before cell division (data not shown; for references, see Harris, 1989). These findings indicate that spermine affects the transition from the G1 to the S phase. In this context, it is important to know tha ...
The Cyclin-Dependent Kinase Inhibitor KRP6 Induces Mitosis and
... Its Overexpression Leads to Multinucleated Cells in Arabidopsis Cell Cultures To study the dynamics of KRP6 protein localization during mitotic progression, we generated Arabidopsis cell cultures coexpressing 35S:GFP-KRP6 and 35S:RFP-TUA2, a microtubule marker (Figure 3). During time-lapse analysis ...
... Its Overexpression Leads to Multinucleated Cells in Arabidopsis Cell Cultures To study the dynamics of KRP6 protein localization during mitotic progression, we generated Arabidopsis cell cultures coexpressing 35S:GFP-KRP6 and 35S:RFP-TUA2, a microtubule marker (Figure 3). During time-lapse analysis ...
Involvement of MMP-7 in invasion of pancreatic cancer cells through
... PC-1 and the highly invasive cell line PC-1.0—were established previously.2 3 In our recent research, the epidermal growth factor receptor (EGFR) mediated mitogen activated protein kinase kinase 2 (MEK2)–ERK2 (extracellular signal regulated kinase 2) signal transduction pathway4–6 was implicated in ...
... PC-1 and the highly invasive cell line PC-1.0—were established previously.2 3 In our recent research, the epidermal growth factor receptor (EGFR) mediated mitogen activated protein kinase kinase 2 (MEK2)–ERK2 (extracellular signal regulated kinase 2) signal transduction pathway4–6 was implicated in ...
Lineage Commitment During T cell Development
... Pre-Ta functions as a surrogate for the a chain during thymic development Expressed in DN cell and heterodimerizes with a functional b chain - assists in quality control for b chain rearrangement The pre-Ta/b chain dimer promotes increased CD3 expression and induces a ligandindependent signal, perha ...
... Pre-Ta functions as a surrogate for the a chain during thymic development Expressed in DN cell and heterodimerizes with a functional b chain - assists in quality control for b chain rearrangement The pre-Ta/b chain dimer promotes increased CD3 expression and induces a ligandindependent signal, perha ...
Review Recycling the Cell Cycle: Cyclins Revisited
... Budding yeast and animal cells have long G1 phases. It is here that nutrients and growth factors regulate whether cells progress or leave the cell cycle to enter the specialized resting phase known as G0, and as a result, defects in the control of G1 are universal among tumors. The importance of G1 ...
... Budding yeast and animal cells have long G1 phases. It is here that nutrients and growth factors regulate whether cells progress or leave the cell cycle to enter the specialized resting phase known as G0, and as a result, defects in the control of G1 are universal among tumors. The importance of G1 ...
NPSN11 Is a Cell Plate-Associated SNARE
... KNOLLE was identified in a forward genetic screen for mutations affecting the body organization of Arabidopsis seedlings (Mayer et al., 1991; Lukowitz et al., 1996). In knolle (kn) mutants, which die as seedlings, cell division in the embryos is retarded, and defects in cell plate membrane consolida ...
... KNOLLE was identified in a forward genetic screen for mutations affecting the body organization of Arabidopsis seedlings (Mayer et al., 1991; Lukowitz et al., 1996). In knolle (kn) mutants, which die as seedlings, cell division in the embryos is retarded, and defects in cell plate membrane consolida ...
Sequential inte ic resistant bacterium
... resulting in retarded biological activity (Jana et al. 2007). Though several strategies have been reported for producing biofunctional AgNPs with enhanced water solubility and monodispersity, silica coating is the widely accepted one (Jana et al. 2007; Thomas et al. 2008). In this study, we investig ...
... resulting in retarded biological activity (Jana et al. 2007). Though several strategies have been reported for producing biofunctional AgNPs with enhanced water solubility and monodispersity, silica coating is the widely accepted one (Jana et al. 2007; Thomas et al. 2008). In this study, we investig ...
FEMS Microbiology Ecology 33
... starvation treatments with time. A protein of 55 kDa is present in similar quantities in Nfm C-free medium and in H2 O while decreasing in the other starvation media. Similar patterns were observed in the four independent repetitions. 3.5. 2D PAGE analysis of cell surface proteins When cell surface ...
... starvation treatments with time. A protein of 55 kDa is present in similar quantities in Nfm C-free medium and in H2 O while decreasing in the other starvation media. Similar patterns were observed in the four independent repetitions. 3.5. 2D PAGE analysis of cell surface proteins When cell surface ...
cell-cycle progression and the generation of asymmetry in
... found for pilus biogenesis: transcription of the genes that encode components of the pilus temporally mirrors their order of assembly3,16. An alternative global analysis of cell-cycle expression came from a large-scale study of protein synthesis rates using two-dimensional (2D)-gel electrophoresis a ...
... found for pilus biogenesis: transcription of the genes that encode components of the pilus temporally mirrors their order of assembly3,16. An alternative global analysis of cell-cycle expression came from a large-scale study of protein synthesis rates using two-dimensional (2D)-gel electrophoresis a ...
Clear Cell Tumors of the Head and Neck: An
... and thyroid are known to have the potential for clear cell differentiation and are able to metastasize to the maxillofacial area with renal cell carcinoma (CRCC) doing so most frequently.2 The latter may mimic salivary gland and odontogenic tumors but is characterized by prominent sinusoidal vascula ...
... and thyroid are known to have the potential for clear cell differentiation and are able to metastasize to the maxillofacial area with renal cell carcinoma (CRCC) doing so most frequently.2 The latter may mimic salivary gland and odontogenic tumors but is characterized by prominent sinusoidal vascula ...
Desiccation Tolerance of Prokaryotes: Application of Principles to
... of oxidative damage. Others, such as elastin, show remarkable resistance to autoclaving, and industrialstrength acid and base. In addition, there are enzymes, such as superoxide dismutase (SOD), that not only retain their structure but also remain fully active after decades of desiccation (Shirkey e ...
... of oxidative damage. Others, such as elastin, show remarkable resistance to autoclaving, and industrialstrength acid and base. In addition, there are enzymes, such as superoxide dismutase (SOD), that not only retain their structure but also remain fully active after decades of desiccation (Shirkey e ...
Prokaryotes – Bacteria
... Bacteria are unicellular and are covered with a thick outer cell wall. Color and label the cell wall PURPLE. Just within the cell wall is the cell membrane. Color and label the cell membrane PINK. Along the surface of some bacteria are structures called pili (pilus-singular) that help bacteria adher ...
... Bacteria are unicellular and are covered with a thick outer cell wall. Color and label the cell wall PURPLE. Just within the cell wall is the cell membrane. Color and label the cell membrane PINK. Along the surface of some bacteria are structures called pili (pilus-singular) that help bacteria adher ...
Prokaryotes Coloring Worksheet
... Bacteria are unicellular and are covered with a thick outer cell wall. Color and label the cell wall PURPLE. Just within the cell wall is the cell membrane. Color and label the cell membrane PINK. Along the surface of some bacteria are structures called pili (pilus-singular) that help bacteria adher ...
... Bacteria are unicellular and are covered with a thick outer cell wall. Color and label the cell wall PURPLE. Just within the cell wall is the cell membrane. Color and label the cell membrane PINK. Along the surface of some bacteria are structures called pili (pilus-singular) that help bacteria adher ...
continued
... in blue, fibrillarin in green, and rDNA in red. Two chromosome territories are closely associated with nucleoli (arrowheads). The third chromosome territory (arrow) is distanced from the nucleolus and is not colocalized with rDNA signal. Since no rDNA signals were found outside the nucleoli, the NOR ...
... in blue, fibrillarin in green, and rDNA in red. Two chromosome territories are closely associated with nucleoli (arrowheads). The third chromosome territory (arrow) is distanced from the nucleolus and is not colocalized with rDNA signal. Since no rDNA signals were found outside the nucleoli, the NOR ...
Cell Movements in Hydra
... The interstitial cells of the host were depleted by the following, unpublished method: Hydra were placed in a solution of 0.06% colcemid for 3 hr and then maintained 20 days in "M" solution. Under these conditions more than 99% of interstitial cells, nematoblasts and nematocytes become depleted, mai ...
... The interstitial cells of the host were depleted by the following, unpublished method: Hydra were placed in a solution of 0.06% colcemid for 3 hr and then maintained 20 days in "M" solution. Under these conditions more than 99% of interstitial cells, nematoblasts and nematocytes become depleted, mai ...
The MAP Kinase MPK4 Is Required for Cytokinesis in
... To examine the viability of mpk4-2 anq-2 gametes, we performed reciprocal crosses between an mpk4-2/+ anq-2/+ double heterozygote and a wild-type parent (Table 1). When we used mutant pollen from the mpk4-2/+ anq-2/+ parent for crosses with a wild-type female parent, mutant alleles were transmitted ...
... To examine the viability of mpk4-2 anq-2 gametes, we performed reciprocal crosses between an mpk4-2/+ anq-2/+ double heterozygote and a wild-type parent (Table 1). When we used mutant pollen from the mpk4-2/+ anq-2/+ parent for crosses with a wild-type female parent, mutant alleles were transmitted ...
Glucosamine induces cell-cycle arrest and hypertrophy of mesangial
... antibodies (p21, 1 µg/ml; p27, 1:2000) in the blocking solution. After extensive washing, the membranes were blotted with secondary anti-mouse antibody at a dilution of 1:2000. The signal was visualized by enhanced chemiluminescence. ...
... antibodies (p21, 1 µg/ml; p27, 1:2000) in the blocking solution. After extensive washing, the membranes were blotted with secondary anti-mouse antibody at a dilution of 1:2000. The signal was visualized by enhanced chemiluminescence. ...
Biology of the Cell
... Most bacteria are encased by a strong cell wall composed of peptidoglycan, which consists of a carbohydrate matrix (polymers of sugars) that is cross-linked by short polypeptide units. No eukaryotes possess cell walls with this type of chemical composition. With a few exceptions like TB and leprosy- ...
... Most bacteria are encased by a strong cell wall composed of peptidoglycan, which consists of a carbohydrate matrix (polymers of sugars) that is cross-linked by short polypeptide units. No eukaryotes possess cell walls with this type of chemical composition. With a few exceptions like TB and leprosy- ...
Ice Adhesions in Relation to Freeze Stress1
... survival of -5 C supercooling. Maximum hardiness was attained after 3 weeks at 0 C. From seed to hardened cells was a sequence taking 9 to 10 weeks, about the same time required to produce a hardened plant from seed. Adhesion Energy. Three factors are involved in the interaction between ice, cell wa ...
... survival of -5 C supercooling. Maximum hardiness was attained after 3 weeks at 0 C. From seed to hardened cells was a sequence taking 9 to 10 weeks, about the same time required to produce a hardened plant from seed. Adhesion Energy. Three factors are involved in the interaction between ice, cell wa ...
The Science and Ethics of Stem Cell Research
... Embryonic stem cells, as their name suggests, are derived from embryos. Specifically, embryonic stem cells are derived from embryos that develop from eggs that have been fertilized in vitro— in an in vitro fertilization clinic—and then donated for research purposes with informed consent of the donor ...
... Embryonic stem cells, as their name suggests, are derived from embryos. Specifically, embryonic stem cells are derived from embryos that develop from eggs that have been fertilized in vitro— in an in vitro fertilization clinic—and then donated for research purposes with informed consent of the donor ...
DISTINCT RECOGNITION PHENOTYPES EXIST FOR T CELL
... suitable T cells. T h e i r absence or gaps have been largely attributed (10, 11) to Ia-influenced selection in the thymus a n d / o r to negative selection required for maintenance o f self-tolerance. Presumably, the self determinants purge only those T cells bearing the precisely complementary rec ...
... suitable T cells. T h e i r absence or gaps have been largely attributed (10, 11) to Ia-influenced selection in the thymus a n d / o r to negative selection required for maintenance o f self-tolerance. Presumably, the self determinants purge only those T cells bearing the precisely complementary rec ...
Understanding Our Environment
... - phospholipid bilayer with embedded proteins (transport proteins and receptor proteins) 2. Genetic material is enclosed within a nucleus or a nucleoid 3. Cytoplasm Raven - Johnson - Biology: 6th Ed. - All Rights Reserved - McGraw Hill Companies ...
... - phospholipid bilayer with embedded proteins (transport proteins and receptor proteins) 2. Genetic material is enclosed within a nucleus or a nucleoid 3. Cytoplasm Raven - Johnson - Biology: 6th Ed. - All Rights Reserved - McGraw Hill Companies ...