Transient Exposure to Ethylene Stimulates Cell Division and Alters
... We first examined the effects of ethylene on stomatal development along the entire length of the hypocotyl. We grew seedlings in the dark in airtight containers throughout the treatment period. Three days after planting in normal air, we injected 10 mL L1 ethylene into the containers and after 2 d, ...
... We first examined the effects of ethylene on stomatal development along the entire length of the hypocotyl. We grew seedlings in the dark in airtight containers throughout the treatment period. Three days after planting in normal air, we injected 10 mL L1 ethylene into the containers and after 2 d, ...
QUESTION - biologyjones
... enzymes used to break down wastes and cellular components when they are no longer needed. • QUESTION: What is the function of the lysosome? ...
... enzymes used to break down wastes and cellular components when they are no longer needed. • QUESTION: What is the function of the lysosome? ...
Hopanoids Play a Role in Membrane Integrity and pH
... transformed into the E. coli mating strain BW29427 and mated into the ⌬shc mutant strain on YP agar plates supplemented with diaminopimelic acid (23). Transformants were selected on YP agar containing 400 g/ml kanamycin. Kanamycin-resistant colonies were screened for the presence of pPVW8 by PCR. A ...
... transformed into the E. coli mating strain BW29427 and mated into the ⌬shc mutant strain on YP agar plates supplemented with diaminopimelic acid (23). Transformants were selected on YP agar containing 400 g/ml kanamycin. Kanamycin-resistant colonies were screened for the presence of pPVW8 by PCR. A ...
Processing Synthesis of Cellulase from Ripening
... Assays. Cellulase activity was assayed viscometrically using carboxylmethylcellulose (Sigma) as substrate as described by Awad and Lewis (3) in the presence of 0.1% Triton X- 100. Phospholipids were assayed according to Stewart (33). Protein was assayed according to Markwell et al. (27). Enzyme link ...
... Assays. Cellulase activity was assayed viscometrically using carboxylmethylcellulose (Sigma) as substrate as described by Awad and Lewis (3) in the presence of 0.1% Triton X- 100. Phospholipids were assayed according to Stewart (33). Protein was assayed according to Markwell et al. (27). Enzyme link ...
Characterization and Biological Activities of Ocellatin Peptides from
... -PT2) decreases the α-helix content (Figures S4 and S5A). This could be related to antimicrobial activity against E. coli, as peptides with Phe3 and Gly8 present slightly lower MICs against this strain (Table 3). The presence of the amino acids Asp8 (in ocellatins-PT1, -PT2, and -PT-5), Asp12 (ocell ...
... -PT2) decreases the α-helix content (Figures S4 and S5A). This could be related to antimicrobial activity against E. coli, as peptides with Phe3 and Gly8 present slightly lower MICs against this strain (Table 3). The presence of the amino acids Asp8 (in ocellatins-PT1, -PT2, and -PT-5), Asp12 (ocell ...
Cytokine-inducing glycolipids in the lipoteichoic acid fraction from
... potency considerably fluctuated among LTA preparations which were obtained by the standard extraction procedure from the same stock of E. hirue ATCC 9790 cells. Unknown active components might have been missed. Consequently we attempted to characterize the bioactive component(s) of E. hirue LTA othe ...
... potency considerably fluctuated among LTA preparations which were obtained by the standard extraction procedure from the same stock of E. hirue ATCC 9790 cells. Unknown active components might have been missed. Consequently we attempted to characterize the bioactive component(s) of E. hirue LTA othe ...
Oxidative Phosphorylation
... NADH and FADH2. Both these electron carriers are energy-rich molecules because their electrons have a high transfer [redox] potentials. Oxidative phosphorylation is the process of converting this high redox potential into energy-rich ATP molecules. This process, together with the reactions that form ...
... NADH and FADH2. Both these electron carriers are energy-rich molecules because their electrons have a high transfer [redox] potentials. Oxidative phosphorylation is the process of converting this high redox potential into energy-rich ATP molecules. This process, together with the reactions that form ...
Enzymes for Cell Dissociation and Lysis - Sigma
... histolyticum, or are recombinant versions where E. coli expresses a gene cloned from C. histolyticum. We provide a lot reservation service. You may purchase small quantities from one or more lots and reserve larger quantities until your evaluation is complete. The different collagenase products in t ...
... histolyticum, or are recombinant versions where E. coli expresses a gene cloned from C. histolyticum. We provide a lot reservation service. You may purchase small quantities from one or more lots and reserve larger quantities until your evaluation is complete. The different collagenase products in t ...
Amino Acids, Peptides and Proteins in Organic Chemistry: Analysis
... phosphorylation (by dephosphorylation or in another experimental condition). As the amount of phosphorylated and nonphosphorylated peptide must add up to the same value in both experiments, the relative ionization efficiency and hence the stochiometry of the phosphopeptide can be determined24–26. St ...
... phosphorylation (by dephosphorylation or in another experimental condition). As the amount of phosphorylated and nonphosphorylated peptide must add up to the same value in both experiments, the relative ionization efficiency and hence the stochiometry of the phosphopeptide can be determined24–26. St ...
Planta
... plant-growth promotion by PGPR include bacterial synthesis of plant hormones (Loper and Schroth 1986; Timmusk et al. 1999; MacDonald et al. 1986), breakdown of plantproduced ethylene (Glick et al. 1999), and increased mineral and nitrogen availability in the soil (Lin et al. 1983). Blends of volatil ...
... plant-growth promotion by PGPR include bacterial synthesis of plant hormones (Loper and Schroth 1986; Timmusk et al. 1999; MacDonald et al. 1986), breakdown of plantproduced ethylene (Glick et al. 1999), and increased mineral and nitrogen availability in the soil (Lin et al. 1983). Blends of volatil ...
Rhinology: Sinus Anatomy and Embryology
... “The anterior cranial fossa is amazing in its complexity, design… almost dream-like in its perfection. It is the most fascinating part of the skull base and probably the entire body by far.” Sarah Mowry, MD ...
... “The anterior cranial fossa is amazing in its complexity, design… almost dream-like in its perfection. It is the most fascinating part of the skull base and probably the entire body by far.” Sarah Mowry, MD ...
Multiple pathways contribute to nuclear import of core histones
... specific to the nuclear compartment where the chromatinassociated nucleotide exchange factor RCC1 generates RanGTP. In the cytoplasm, however, the RanGTP concentration is kept low due to the presence of the RanGTPase activating protein (RanGAP1) allowing the formation of import complexes and the dis ...
... specific to the nuclear compartment where the chromatinassociated nucleotide exchange factor RCC1 generates RanGTP. In the cytoplasm, however, the RanGTP concentration is kept low due to the presence of the RanGTPase activating protein (RanGAP1) allowing the formation of import complexes and the dis ...
Proliferation and morphogenesis of the ER driven by the membrane
... proteins (Campos and Boronat, 1995). In spite of their structural differences, all eukaryotic ...
... proteins (Campos and Boronat, 1995). In spite of their structural differences, all eukaryotic ...
Male Germ Line Development in Arabidopsis
... have been identified in isolated generative cells of lily (Lilium longiflorum; Ueda and Tanaka, 1995), and some genes (ERCC1, LGC1, and FtsZ) that are expressed preferentially or specifically in the male gametes have been isolated (Xu et al., 1998, 1999; Mori and Tanaka, 2000). Recently, large scale ...
... have been identified in isolated generative cells of lily (Lilium longiflorum; Ueda and Tanaka, 1995), and some genes (ERCC1, LGC1, and FtsZ) that are expressed preferentially or specifically in the male gametes have been isolated (Xu et al., 1998, 1999; Mori and Tanaka, 2000). Recently, large scale ...
Mechanisms of convergence and extension by cell intercalation
... The cells of many embryonic tissues actively narrow in one dimension (convergence) and lengthen in the perpendicular dimension (extension). Convergence and extension are ubiquitous and important tissue movements in metazoan morphogenesis. In vertebrates, the dorsal axial and paraxial mesodermal tiss ...
... The cells of many embryonic tissues actively narrow in one dimension (convergence) and lengthen in the perpendicular dimension (extension). Convergence and extension are ubiquitous and important tissue movements in metazoan morphogenesis. In vertebrates, the dorsal axial and paraxial mesodermal tiss ...
Plasma Membrane Ghosts Form Differently When Produced from
... visualized on tobacco BY-2 suspension culture cell membrane ghosts (Collings et al. 1998). Based on both actin and microtubule arrangements, these ghosts can be classified into 3 distinct types (types I, II and III respectively). As it became apparent that the variations between ghosts were not due ...
... visualized on tobacco BY-2 suspension culture cell membrane ghosts (Collings et al. 1998). Based on both actin and microtubule arrangements, these ghosts can be classified into 3 distinct types (types I, II and III respectively). As it became apparent that the variations between ghosts were not due ...
Multiple post-translational modifications regulate E
... We examined the effect of the separate modifications on Ecadherin trafficking by exploiting the differential sensitivity of N-linked glycosylation to N-glycosidase F (PNGase F) and Endoglycosidase H (Endo H) digestion (Maley et al., 1989). Endo H removes the mannose-rich sugars added in the ER, but ...
... We examined the effect of the separate modifications on Ecadherin trafficking by exploiting the differential sensitivity of N-linked glycosylation to N-glycosidase F (PNGase F) and Endoglycosidase H (Endo H) digestion (Maley et al., 1989). Endo H removes the mannose-rich sugars added in the ER, but ...
Keystone- Biology Curriculum
... Descriptor of the intent of the Biology course: "Biology of organisms and cells concerns living things, their appearance, different types of life, the scope of their similarities and differences, where they live and how they live. Living things are made of the same components as all other matter, in ...
... Descriptor of the intent of the Biology course: "Biology of organisms and cells concerns living things, their appearance, different types of life, the scope of their similarities and differences, where they live and how they live. Living things are made of the same components as all other matter, in ...
File
... 7. Effect of pH on Enzymes Enzymes work best within a range of pH depending on the type of enzyme. The pH that the enzymes works best at is called it’s Optimum pH If the pH is too high, the enzymes active site changes shape (denatured) What is the optimum pH of this enzyme ? ...
... 7. Effect of pH on Enzymes Enzymes work best within a range of pH depending on the type of enzyme. The pH that the enzymes works best at is called it’s Optimum pH If the pH is too high, the enzymes active site changes shape (denatured) What is the optimum pH of this enzyme ? ...
Male Germ Line Development in Arabidopsis
... have been identified in isolated generative cells of lily (Lilium longiflorum; Ueda and Tanaka, 1995), and some genes (ERCC1, LGC1, and FtsZ) that are expressed preferentially or specifically in the male gametes have been isolated (Xu et al., 1998, 1999; Mori and Tanaka, 2000). Recently, large scale ...
... have been identified in isolated generative cells of lily (Lilium longiflorum; Ueda and Tanaka, 1995), and some genes (ERCC1, LGC1, and FtsZ) that are expressed preferentially or specifically in the male gametes have been isolated (Xu et al., 1998, 1999; Mori and Tanaka, 2000). Recently, large scale ...
Bacterial chromosome segregation
... defined time in the cell cycle and at the single, defined site on the chromosome, the replication origin oriC. The oriC region usually contains binding sites for the initiator protein DnaA (DnaA boxes) and repeats of an AT-rich sequence (13-mers) (reviewed by Thomas & Jagura-Burdzy, 1991). The chrom ...
... defined time in the cell cycle and at the single, defined site on the chromosome, the replication origin oriC. The oriC region usually contains binding sites for the initiator protein DnaA (DnaA boxes) and repeats of an AT-rich sequence (13-mers) (reviewed by Thomas & Jagura-Burdzy, 1991). The chrom ...