In vitro development of inner cell masses isolated immunosurgically
... microvilli, and type of intercellular junctions which they displayed. In all cases the polar trophectoderm appeared to be a monolayer of cells. In vitro culture of inner cell masses isolated from blastocysts collected between 13.00 and 18.00 h on the 4th day of pregnancy Blastocysts collected at dif ...
... microvilli, and type of intercellular junctions which they displayed. In all cases the polar trophectoderm appeared to be a monolayer of cells. In vitro culture of inner cell masses isolated from blastocysts collected between 13.00 and 18.00 h on the 4th day of pregnancy Blastocysts collected at dif ...
The laws of cell energetics
... and ADNa + can couple energy-releasing and energy-consuming processes. In the great majority of bioenergetic processes, such a coupling is carried out with the use of one of the three abovementioned energy currencies. I t does not mean, however, that other components cannot, in principle, be used as ...
... and ADNa + can couple energy-releasing and energy-consuming processes. In the great majority of bioenergetic processes, such a coupling is carried out with the use of one of the three abovementioned energy currencies. I t does not mean, however, that other components cannot, in principle, be used as ...
Stem cells: the intestinal stem cell as a paradigm
... probably pluripotent. Further evidence for pluripotency is that the subcutaneous injection of single cells from rat colonic adenocarcinoma into mice can give rise to tumours containing all cell lineages (27). The human HRA19 cell line has also been shown to produce a variety of cell types from a sin ...
... probably pluripotent. Further evidence for pluripotency is that the subcutaneous injection of single cells from rat colonic adenocarcinoma into mice can give rise to tumours containing all cell lineages (27). The human HRA19 cell line has also been shown to produce a variety of cell types from a sin ...
Cell Death Suppressor, Arabidopsis BI
... In higher plants, programmed cell death (PCD) plays a vital role in proper biogenesis and morphogenesis, similar to apoptosis in animal cells where some biotic or abiotic stimuli trigger ...
... In higher plants, programmed cell death (PCD) plays a vital role in proper biogenesis and morphogenesis, similar to apoptosis in animal cells where some biotic or abiotic stimuli trigger ...
The extracellular matrix at a glance
... Box 1. Structure and function of proteoglycans Proteoglycans (PGs) are composed of glycosaminoglycan (GAG) chains covalently linked to a specific protein core (with the exception of hyaluronic acid) (Iozzo and Murdoch, 1996; Schaefer and Schaefer, 2010). PGs have been classified according to their c ...
... Box 1. Structure and function of proteoglycans Proteoglycans (PGs) are composed of glycosaminoglycan (GAG) chains covalently linked to a specific protein core (with the exception of hyaluronic acid) (Iozzo and Murdoch, 1996; Schaefer and Schaefer, 2010). PGs have been classified according to their c ...
Waite Study Guide for Quiz/Exam 1 Quiz 1
... Understand the structure of nucleic acids – how the nucleotides are attached to each other (sugar-phosphate backbone), and how the nucleotide bases are positioned ...
... Understand the structure of nucleic acids – how the nucleotides are attached to each other (sugar-phosphate backbone), and how the nucleotide bases are positioned ...
Cryopreservation of Cultured Plant Cells
... cells were efficiently cryopreserved by slow prefreezing. Slow prefreezing was also more effective for cryopreservation of bromegrass and tobacco BY-2 cells than vitrification (Ishikawa et al. 1996; Kobayashi et al. 2006a). In contrast, Reinhoud et al. (1995) showed that cryopreservation of tobacco ...
... cells were efficiently cryopreserved by slow prefreezing. Slow prefreezing was also more effective for cryopreservation of bromegrass and tobacco BY-2 cells than vitrification (Ishikawa et al. 1996; Kobayashi et al. 2006a). In contrast, Reinhoud et al. (1995) showed that cryopreservation of tobacco ...
On the so-called "Sexual" Method of Spore
... tliis is the normal condition, because on the few occasions on which I was fortunate enough to find these organisms, they were all beginning to sporulate. Hence, it is possible that the spiral arrangement of the chromatin appears only before spores are formed. I found very few individuals like that ...
... tliis is the normal condition, because on the few occasions on which I was fortunate enough to find these organisms, they were all beginning to sporulate. Hence, it is possible that the spiral arrangement of the chromatin appears only before spores are formed. I found very few individuals like that ...
Involvement of MMP-7 in invasion of pancreatic cancer cells through
... treatment. In addition, MMP-7 expression was stronger at the invasive front than at the centre of human pancreatic tumours. Conclusion: MMP-7 is involved in cell dissociation and the subsequent invasion of pancreatic cancer cells. It induces the disruption of TJ structures and forms a positive feedb ...
... treatment. In addition, MMP-7 expression was stronger at the invasive front than at the centre of human pancreatic tumours. Conclusion: MMP-7 is involved in cell dissociation and the subsequent invasion of pancreatic cancer cells. It induces the disruption of TJ structures and forms a positive feedb ...
Spatial and temporal changes in the expression of fibroglycan
... glycosyl phosphatidylinositol anchor. The four transmembrane proteoglycans show little structural similarity to glypican, and their extracellular moieties differ also substantially from each other. Yet, the transmembrane and cytoplasmic domains of these proteins are nearly 65% identical, suggesting ...
... glycosyl phosphatidylinositol anchor. The four transmembrane proteoglycans show little structural similarity to glypican, and their extracellular moieties differ also substantially from each other. Yet, the transmembrane and cytoplasmic domains of these proteins are nearly 65% identical, suggesting ...
- Wiley Online Library
... It is thought that mechano-perception in plant cells commences with membrane deformation, whether this occurs directly, or indirectly, via transmembrane protein tethers coupled to the cytoskeleton and the cell wall (reviewed by Fasano et al. 2002). Specifically, force perception translates into the ...
... It is thought that mechano-perception in plant cells commences with membrane deformation, whether this occurs directly, or indirectly, via transmembrane protein tethers coupled to the cytoskeleton and the cell wall (reviewed by Fasano et al. 2002). Specifically, force perception translates into the ...
Recombinant polypeptide production inE. coli: towards a rational
... deletion strategy and of the chosen export route, since SecB and SRP share the same translocon unit [24] (Figure 2). Summarizing, the improvement of the recombinant disulfide bond-dependent protein production relies on the capacity of calibrating the secretion and the translocon rates. The illustrat ...
... deletion strategy and of the chosen export route, since SecB and SRP share the same translocon unit [24] (Figure 2). Summarizing, the improvement of the recombinant disulfide bond-dependent protein production relies on the capacity of calibrating the secretion and the translocon rates. The illustrat ...
Sporangiophores' Technique Study Transpiration Pressure Probe
... other parameters which represent the biophysical and biomechanical properties of the plant cell. Equations which establish such a relationship for many plant cells have been termed the growth equations (13). Recent pressure probe studies have demonstrated that the growth behavior of the sporangiopho ...
... other parameters which represent the biophysical and biomechanical properties of the plant cell. Equations which establish such a relationship for many plant cells have been termed the growth equations (13). Recent pressure probe studies have demonstrated that the growth behavior of the sporangiopho ...
Bacillus globigii cell size is influenced by
... PLWCA on the size of B. globigii cells. Filled columns represent the results after 16 h incubation of B. globigii with the peptides; open columns represent the 6 h growth after the 16 h incubations were re-inoculated in fresh medium. *** p \ 0.001. b Typical examples of control cells (left) and cell ...
... PLWCA on the size of B. globigii cells. Filled columns represent the results after 16 h incubation of B. globigii with the peptides; open columns represent the 6 h growth after the 16 h incubations were re-inoculated in fresh medium. *** p \ 0.001. b Typical examples of control cells (left) and cell ...
Comparative transcriptional profiling analysis of the two daughter
... yda, were successfully identified by the mutant analysis in Arabidopsis [6,7,20-23]. cDNA libraries from complex tissues such as ovule are not efficient in identifying genes expressed at low level or only in the early severalcelled proembryos. Recently, the development of laser capture microdissecti ...
... yda, were successfully identified by the mutant analysis in Arabidopsis [6,7,20-23]. cDNA libraries from complex tissues such as ovule are not efficient in identifying genes expressed at low level or only in the early severalcelled proembryos. Recently, the development of laser capture microdissecti ...
1. This cartoon shows Complex I in the ETC, in its two alternative
... programmed death, cell-cell interactions, and differentiation. Choose any two, and describe how each is relevant to oogenesis. ...
... programmed death, cell-cell interactions, and differentiation. Choose any two, and describe how each is relevant to oogenesis. ...
6 - 1 - Youk Lab
... molecules (mRNA or proteins) at a particular time point, then the equation tells you what the concentrations of those molecules were in the past and what they will be in the future. Nothing is left undetermined. This “clockwork” or “mechanical” view of gene expression and cellular processes in gener ...
... molecules (mRNA or proteins) at a particular time point, then the equation tells you what the concentrations of those molecules were in the past and what they will be in the future. Nothing is left undetermined. This “clockwork” or “mechanical” view of gene expression and cellular processes in gener ...
Immunoglobulin Heavy Chain and Binding Protein Complexes Are
... labeled Ag8(8) cells and unlabeled Ag8.653 cells that produce no Ig chains (Kearney et al., 1979). Examination of the culture supernatant from the A g 8 ( 8 ) × P3U.1 fusion revealed the secretion of labeled IgG (Figure 3 A). In contrast, Ig was not detected in the medium of Ag8(8) cells fused to th ...
... labeled Ag8(8) cells and unlabeled Ag8.653 cells that produce no Ig chains (Kearney et al., 1979). Examination of the culture supernatant from the A g 8 ( 8 ) × P3U.1 fusion revealed the secretion of labeled IgG (Figure 3 A). In contrast, Ig was not detected in the medium of Ag8(8) cells fused to th ...
the peroxisomal endomembrane system and the role of the ER
... pathway for peroxisome assembly and maturation exits that is either similar or distinct from that in yeast and/or mammals, recent findings suggest that peroxisomes in plant cells can form large pleomorphic structures reminiscent of the mammalian peroxisomal reticulum (Mullen et al., 2006) and are en ...
... pathway for peroxisome assembly and maturation exits that is either similar or distinct from that in yeast and/or mammals, recent findings suggest that peroxisomes in plant cells can form large pleomorphic structures reminiscent of the mammalian peroxisomal reticulum (Mullen et al., 2006) and are en ...
TDS - BD Biosciences
... p21/Rac/Cdc42 activated kinases (PAKs) are serine/threonine kinases which regulate morphological and cytoskeletal changes in a variety of cell types, and are also implicated in MAP kinase pathways. PAKs contain an N-terminal regulatory domain and a C-terminal catalytic domain, and become activated f ...
... p21/Rac/Cdc42 activated kinases (PAKs) are serine/threonine kinases which regulate morphological and cytoskeletal changes in a variety of cell types, and are also implicated in MAP kinase pathways. PAKs contain an N-terminal regulatory domain and a C-terminal catalytic domain, and become activated f ...
Cell Transport PPT 2 File
... • Diffusion takes place from high concentration to low concentration and does not require ATP. • Examples: glucose & amino acids. ...
... • Diffusion takes place from high concentration to low concentration and does not require ATP. • Examples: glucose & amino acids. ...
KRP3A and KRP3B: Candidate Motors in Spermatid Maturation in
... including structural support of germ cells as well as positioning spermatids within the epithelium. Molecular motors perform important functions in many types of intracellular motility and are specialized to perform tasks ranging from chromosome segregation to vesicle transport (reviewed in [1–3]). ...
... including structural support of germ cells as well as positioning spermatids within the epithelium. Molecular motors perform important functions in many types of intracellular motility and are specialized to perform tasks ranging from chromosome segregation to vesicle transport (reviewed in [1–3]). ...
Endocytosis of Viruses and Bacteria
... In contrast to viruses, bacteria can secrete proteins including toxins via a variety of secretion systems, classified from I to VII depending on the structure and organization of the secretion machinery. Highly relevant for this review are the type III and the type IV secretion systems, which appear ...
... In contrast to viruses, bacteria can secrete proteins including toxins via a variety of secretion systems, classified from I to VII depending on the structure and organization of the secretion machinery. Highly relevant for this review are the type III and the type IV secretion systems, which appear ...
Study Guide Quiz #2
... green. Some Euglena organisms change their shape for sometime so these are not covered with rigid cell wall. These swim very actively with the help of a flagellum (not seen). No stain used. Fig 2.14 page 26 13. Resolving Power: of human eye is 0.2mm = 200micrometers 14. Resolving Power: of light mic ...
... green. Some Euglena organisms change their shape for sometime so these are not covered with rigid cell wall. These swim very actively with the help of a flagellum (not seen). No stain used. Fig 2.14 page 26 13. Resolving Power: of human eye is 0.2mm = 200micrometers 14. Resolving Power: of light mic ...
Yersinia pestis and plague - Biochemical Society Transactions
... is exported on to the cell surface where it appears to autoassemble into fibrillar-like structures [11]. Mutants of Y. pestis that are unable to produce F1-antigen show an enhanced susceptibilty to phagocytosis by macrophages [12]. Possibly, the key virulence mechanism that allows the bacteria to re ...
... is exported on to the cell surface where it appears to autoassemble into fibrillar-like structures [11]. Mutants of Y. pestis that are unable to produce F1-antigen show an enhanced susceptibilty to phagocytosis by macrophages [12]. Possibly, the key virulence mechanism that allows the bacteria to re ...
Cytokinesis
Cytokinesis (cyto- + kinesis) is the process during cell division in which the cytoplasm of a single eukaryotic cell is divided to form two daughter cells. It usually initiates during the early stages of mitosis, and sometimes meiosis, splitting a mitotic cell in two, to ensure that chromosome number is maintained from one generation to the next. After cytokinesis two (daughter) cells will be formed that are exact copies of the (parent) original cell. After cytokinesis, each daughter cell is in the interphase portion of the cell cycle. In animal cells, one notable exception to the normal process of cytokinesis is oogenesis (the creation of an ovum in the ovarian follicle of the ovary), where the ovum takes almost all the cytoplasm and organelles, leaving very little for the resulting polar bodies, which then die. Another form of mitosis without cytokinesis occurs in the liver, yielding multinucleate cells. In plant cells, a dividing structure known as the cell plate forms within the centre of the cytoplasm and a new cell wall forms between the two daughter cells.Cytokinesis is distinguished from the prokaryotic process of binary fission.