Phloem loading and unloading of sugars and amino acids
... to transport and release phloem (see van Bel, this volume). The most compelling evidence that minor veins are the major sites of phloem loading has been obtained at a molecular level. Thus, the low affinity/high capacity sucrose transporter (SUT4) is expressed strongly in minor veins (Weise et al. 2 ...
... to transport and release phloem (see van Bel, this volume). The most compelling evidence that minor veins are the major sites of phloem loading has been obtained at a molecular level. Thus, the low affinity/high capacity sucrose transporter (SUT4) is expressed strongly in minor veins (Weise et al. 2 ...
Eucalyptus grandis cellulose synthase 1 Arabidopsis thaliana MARJA M. O’NEILL
... genes. Although Arabidopsis does not form large quantities of secondary xylem, it has been shown to undergo secondary growth under certain conditions. Availability of the full genome sequence, ease of transformation and access to mutant plant lines, makes Arabidopsis an attractive model plant in whi ...
... genes. Although Arabidopsis does not form large quantities of secondary xylem, it has been shown to undergo secondary growth under certain conditions. Availability of the full genome sequence, ease of transformation and access to mutant plant lines, makes Arabidopsis an attractive model plant in whi ...
Kinetics of MPF and histone H1 kinase activity differ during the G2
... protein synthesis block restores the ability of oocytes to activate the M-phase associated protein kinase with a similar dynamic than in ...
... protein synthesis block restores the ability of oocytes to activate the M-phase associated protein kinase with a similar dynamic than in ...
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... the anterior spindle pole. To test whether this is the case, we performed spindle-severing experiments during anaphase (Grill et al., 2001). We found that the average peak velocity of the liberated anterior spindle pole is higher indeed in chc-1(RNAi) embryos than in the wild type (Fig. 1L). Despite ...
... the anterior spindle pole. To test whether this is the case, we performed spindle-severing experiments during anaphase (Grill et al., 2001). We found that the average peak velocity of the liberated anterior spindle pole is higher indeed in chc-1(RNAi) embryos than in the wild type (Fig. 1L). Despite ...
Ligation of tumour-produced mucins to CD22 dramatically impairs
... (Src homology 2) domain-containing phosphatase [1]. Although the physiological significance of CD22-mediated ligand binding and adhesion remains unknown, many studies have suggested that CD22 plays an important role in regulation of B-cell function. In fact, B-cells obtained from CD22 gene knockout ...
... (Src homology 2) domain-containing phosphatase [1]. Although the physiological significance of CD22-mediated ligand binding and adhesion remains unknown, many studies have suggested that CD22 plays an important role in regulation of B-cell function. In fact, B-cells obtained from CD22 gene knockout ...
Symplasmic networks in secondary vascular tissues
... less so in phloem where parenchyma is difficult to distinguish from neighbouring sieve element and companion or Strasburger cells, and cellular organization is lost due to sieve element collapse and ray dilatation (see discussion on longevity). Individual cells are usually short in the axial directi ...
... less so in phloem where parenchyma is difficult to distinguish from neighbouring sieve element and companion or Strasburger cells, and cellular organization is lost due to sieve element collapse and ray dilatation (see discussion on longevity). Individual cells are usually short in the axial directi ...
A study of the sulphur bacteria of the hot springs... by Raymond H Howard
... A chronological review of the literature was made concerning sulphur bacteria. These bacteria are defined by Ellis ('32) as a group of organisms which have sulphur globules in their cells, oxidize hydrogen sulphide to sulphur, store it temporarily in their cell, and then oxidize it to sulphates. A d ...
... A chronological review of the literature was made concerning sulphur bacteria. These bacteria are defined by Ellis ('32) as a group of organisms which have sulphur globules in their cells, oxidize hydrogen sulphide to sulphur, store it temporarily in their cell, and then oxidize it to sulphates. A d ...
Robust methods for purification of histones from cultured
... making the interpretation of mass spectrometry (MS) data difficult (19). Further, as noted above, cells are often incubated, prior to or concomitant with cell lysis by non-ionic detergents, in hypotonic solutions to destabilize the cytoskeleton, facilitating the separation of cytoplasm membranes from ...
... making the interpretation of mass spectrometry (MS) data difficult (19). Further, as noted above, cells are often incubated, prior to or concomitant with cell lysis by non-ionic detergents, in hypotonic solutions to destabilize the cytoskeleton, facilitating the separation of cytoplasm membranes from ...
Carbon partitioning in sugarcane (Saccharum species)
... vacuole is an important feature of storage in sugarcane stem’s parenchyma cells (Rae et al., 2009). Sucrose unloaded from phloem into the apoplast can follow two paths to vacuoles of parenchyma cells (Figure 1). In one path, sucrose is transported directly into parenchyma cells by sucrose transporte ...
... vacuole is an important feature of storage in sugarcane stem’s parenchyma cells (Rae et al., 2009). Sucrose unloaded from phloem into the apoplast can follow two paths to vacuoles of parenchyma cells (Figure 1). In one path, sucrose is transported directly into parenchyma cells by sucrose transporte ...
ELM1 is required for multidrug resistance in
... In S. cerevisiae, mitotic entrance is coupled to morphogenesis (SAKCHAISRI et al. 2004). Entry into mitosis is initiated by activation of Clb2-Cdc28/Cdk1 cyclin-dependent kinase (CDK), which involves degradation of its inhibitor Swe1 kinase (M C M I L L A N et al. 2002). Mechanistically, Swe1 phosph ...
... In S. cerevisiae, mitotic entrance is coupled to morphogenesis (SAKCHAISRI et al. 2004). Entry into mitosis is initiated by activation of Clb2-Cdc28/Cdk1 cyclin-dependent kinase (CDK), which involves degradation of its inhibitor Swe1 kinase (M C M I L L A N et al. 2002). Mechanistically, Swe1 phosph ...
Chapter 3
... D. Cytoplasmic Division (Outcome 3.4.8) 1. Cytoplasmic division begins in_________________________ and ends in _______________________________________________________ . (Outcome 3.4.8) 2. ________ are responsible for pinching the cytoplasm in half. (Outcome 3.4.8) 3. The resulting daughter cells hav ...
... D. Cytoplasmic Division (Outcome 3.4.8) 1. Cytoplasmic division begins in_________________________ and ends in _______________________________________________________ . (Outcome 3.4.8) 2. ________ are responsible for pinching the cytoplasm in half. (Outcome 3.4.8) 3. The resulting daughter cells hav ...
Biology I End-of-Course
... on how quickly photosynthesis is occurring in each plant. B. The temperature of water in each aquarium This answer is not correct. The temperature of the water can change the rate of photosynthesis, but measuring the water temperature would not provide the most information on the rate of photosynthe ...
... on how quickly photosynthesis is occurring in each plant. B. The temperature of water in each aquarium This answer is not correct. The temperature of the water can change the rate of photosynthesis, but measuring the water temperature would not provide the most information on the rate of photosynthe ...
Shier, Butler, and Lewis: Hole`s Human Anatomy and Physiology
... D. Cytoplasmic Division (Outcome 3.4.8) 1. Cytoplasmic division begins in_________________________ and ends in _______________________________________________________ . (Outcome 3.4.8) 2. ________ are responsible for pinching the cytoplasm in half. (Outcome 3.4.8) 3. The resulting daughter cells hav ...
... D. Cytoplasmic Division (Outcome 3.4.8) 1. Cytoplasmic division begins in_________________________ and ends in _______________________________________________________ . (Outcome 3.4.8) 2. ________ are responsible for pinching the cytoplasm in half. (Outcome 3.4.8) 3. The resulting daughter cells hav ...
LIINA JAKOBSON The roles of abscisic acid, CO , and the cuticle in
... regulation and cuticle biosynthesis evolved during the same era in the early land plants, approximately 450 million years ago (Kenrick and Crane, 1997; Cui et al., 2016). These adaptations are also important nowadays for the survival of land plants and the maintenance of agricultural crop yields. St ...
... regulation and cuticle biosynthesis evolved during the same era in the early land plants, approximately 450 million years ago (Kenrick and Crane, 1997; Cui et al., 2016). These adaptations are also important nowadays for the survival of land plants and the maintenance of agricultural crop yields. St ...
Effects of nitric oxide on red blood cell deformability
... for subsequent studies. DMSO at a final concentration identical to that employed as the solvent for ODQ did not significantly affect RBC deformability. The decrease of RBC deformability due to 10⫺5 M ODQ was reversed, in a dose-dependent manner, by the NO donors SNP and DETA-NONOate (Fig. 6), with S ...
... for subsequent studies. DMSO at a final concentration identical to that employed as the solvent for ODQ did not significantly affect RBC deformability. The decrease of RBC deformability due to 10⫺5 M ODQ was reversed, in a dose-dependent manner, by the NO donors SNP and DETA-NONOate (Fig. 6), with S ...
Differential Auxin-Transporting Activities of PIN
... lyze auxin efflux at the cellular level. On the other hand, PIN5 and PIN8 possess a very short putative central loop (hereafter called short-looped PINs). Although PIN5 was recently shown to be localized in the endoplasmic reticulum (ER) and proposed to transport auxin metabolites into the ER lumen, ...
... lyze auxin efflux at the cellular level. On the other hand, PIN5 and PIN8 possess a very short putative central loop (hereafter called short-looped PINs). Although PIN5 was recently shown to be localized in the endoplasmic reticulum (ER) and proposed to transport auxin metabolites into the ER lumen, ...
A three-stage model of Golgi structure and function
... into four classes: cis, medial, trans, and TGN (Farquhar and Hauri 1997). Each class of cisterna is considered to house a different set of processing enzymes. This model has some experimental support. For example, a study of the yeast pro-a-factor mating pheromone precursor tracked sequential proces ...
... into four classes: cis, medial, trans, and TGN (Farquhar and Hauri 1997). Each class of cisterna is considered to house a different set of processing enzymes. This model has some experimental support. For example, a study of the yeast pro-a-factor mating pheromone precursor tracked sequential proces ...
Adhesion and Adhesives of Fungi and Oomycetes
... appressorial function. Indeed attachment is so integral to appressorial function that appressoria are often defined as adherent. Although most fungi are either saprophytic or associated with plants in either a parasitic or a mutualistic association, there are carnivorous fungi. The nematophagous fun ...
... appressorial function. Indeed attachment is so integral to appressorial function that appressoria are often defined as adherent. Although most fungi are either saprophytic or associated with plants in either a parasitic or a mutualistic association, there are carnivorous fungi. The nematophagous fun ...
DEFINING THE ROLE OF THE SHP2 PROTEIN TYROSINE
... the high affinity IgE receptor (FcεRI) by multivalent antigens requires reversible tyrosine phosphorylation of myriad signaling proteins. Activated mast cells rapidly release granule contents (eg. histamine and serine proteases) that cause vascular permeability, and in a more delayed manner they als ...
... the high affinity IgE receptor (FcεRI) by multivalent antigens requires reversible tyrosine phosphorylation of myriad signaling proteins. Activated mast cells rapidly release granule contents (eg. histamine and serine proteases) that cause vascular permeability, and in a more delayed manner they als ...
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... junctions behind the leading edge, where it co-localized with mCherry-Baz (Fig. 2A). In common with Baz, Pten2 was notably absent from the leading edge, including cell junctions along the leading edge (Fig. 2A, arrows). In contrast to GFP-Pten2, GFPPten3, which is unable to bind to Baz (von Stein et ...
... junctions behind the leading edge, where it co-localized with mCherry-Baz (Fig. 2A). In common with Baz, Pten2 was notably absent from the leading edge, including cell junctions along the leading edge (Fig. 2A, arrows). In contrast to GFP-Pten2, GFPPten3, which is unable to bind to Baz (von Stein et ...
Actin-Dependent and -Independent Functions of
... There is some evidence that cortical microtubules underlying the plasma membrane are involved in the branching of trichomes (Folkers et al., 2002). To provide support for the idea that cortical microtubules (and not other types of microtubule configurations, such as endoplasmic microtubules) are the ...
... There is some evidence that cortical microtubules underlying the plasma membrane are involved in the branching of trichomes (Folkers et al., 2002). To provide support for the idea that cortical microtubules (and not other types of microtubule configurations, such as endoplasmic microtubules) are the ...
Polyunsaturated fatty acids modulate NOX 4 anion superoxide
... Several novel enzymes, homologues of gp91phox , one of the two integral membrane proteins making up flavocytochrome b558 and the catalytic unit of the protein complex responsible for the oxidative burst in polymorphonuclear cells, have been identified in mammals [1–4]. The identification of new memb ...
... Several novel enzymes, homologues of gp91phox , one of the two integral membrane proteins making up flavocytochrome b558 and the catalytic unit of the protein complex responsible for the oxidative burst in polymorphonuclear cells, have been identified in mammals [1–4]. The identification of new memb ...