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... 19746), the ZPA is too far from the tip to exert its polarizing activity (Summerbell, 1974a). It follows that the cells at the tip remember their exposure to the ZPA when they go on to form a reduplication. They may be said to have a positional memory. It is not known how long cells must be exposed ...
... 19746), the ZPA is too far from the tip to exert its polarizing activity (Summerbell, 1974a). It follows that the cells at the tip remember their exposure to the ZPA when they go on to form a reduplication. They may be said to have a positional memory. It is not known how long cells must be exposed ...
ANTHER AND POLLEN CULTURE
... unwanted diploid calli or plantlets. Sometimes the development of microspores inside the anther may be interrupted due to growth inhibiting substances leaking out of the anther wall in contact with nutrient medium. ...
... unwanted diploid calli or plantlets. Sometimes the development of microspores inside the anther may be interrupted due to growth inhibiting substances leaking out of the anther wall in contact with nutrient medium. ...
PDF Full-text
... mesophyll cells of Arabidopsis rosette leaves [18] to take advantage of T-DNA insertion lines, which are currently available for more than 20,000 genes in Arabidopsis (http://signal.salk.edu/index.html) [19]. Using this procedure, a large amount of protoplasts can easily be prepared from fully-expan ...
... mesophyll cells of Arabidopsis rosette leaves [18] to take advantage of T-DNA insertion lines, which are currently available for more than 20,000 genes in Arabidopsis (http://signal.salk.edu/index.html) [19]. Using this procedure, a large amount of protoplasts can easily be prepared from fully-expan ...
Growth Control and Cell Wall Signaling in Plants
... and even in different subcellular cell wall domains and over time during cellular differentiation (49, 69, 136, 149). Despite this diversity, all cell walls are composite materials with a similar building plan based on stiff and tensionally strong cellulose microfibrils, which are cross-linked to a m ...
... and even in different subcellular cell wall domains and over time during cellular differentiation (49, 69, 136, 149). Despite this diversity, all cell walls are composite materials with a similar building plan based on stiff and tensionally strong cellulose microfibrils, which are cross-linked to a m ...
1 An amoeba phagocytosis model reveals a novel developmental
... Beeton, M.L., Atkinson, D.J. and Waterfield, N.R. (2013) An amoeba phagocytosis model reveals a novel developmental switch in the insect pathogen Bacillus thuringiensis. Journal of Insect Physiology, 59 (2). pp. 223-231. Link to official URL (if available): http://dx.doi.org/10.1016/j.jinsphys.2012. ...
... Beeton, M.L., Atkinson, D.J. and Waterfield, N.R. (2013) An amoeba phagocytosis model reveals a novel developmental switch in the insect pathogen Bacillus thuringiensis. Journal of Insect Physiology, 59 (2). pp. 223-231. Link to official URL (if available): http://dx.doi.org/10.1016/j.jinsphys.2012. ...
Gram-positive bacteria enhance HIV-1 susceptibility
... found that the majority of HIV strains isolated from patients are R5 HIV after initial infection.15 It has been reported that persons with CCR5 homozygous defects are largely protected from sexually acquiring HIV.16 In rhesus macaques, within an hour after intravaginal inoculation of simian immunode ...
... found that the majority of HIV strains isolated from patients are R5 HIV after initial infection.15 It has been reported that persons with CCR5 homozygous defects are largely protected from sexually acquiring HIV.16 In rhesus macaques, within an hour after intravaginal inoculation of simian immunode ...
Gene Section AURKB (aurora kinase B) Atlas of Genetics and Cytogenetics
... In mitosis, the chromosomal passenger complex, composed of Aurora B, Survivin, Borealin and INCENP, controls chromosome alignment, histone modification, and cytokinesis (Knauer et al., 2007). Presence of this complex at the right place at the right time is the key to precise control of its enzymatic ...
... In mitosis, the chromosomal passenger complex, composed of Aurora B, Survivin, Borealin and INCENP, controls chromosome alignment, histone modification, and cytokinesis (Knauer et al., 2007). Presence of this complex at the right place at the right time is the key to precise control of its enzymatic ...
Chloroplast anchoring: its implications for the
... completion of the photo-relocation movement of chloroplasts induced by red light, when protonemata were illuminated with far-red light to convert phytochrome from its far-red-light-absorbing form (Pfr) back to its red-lightabsorbing form (Pr), the induced specific distribution pattern of chloroplast ...
... completion of the photo-relocation movement of chloroplasts induced by red light, when protonemata were illuminated with far-red light to convert phytochrome from its far-red-light-absorbing form (Pfr) back to its red-lightabsorbing form (Pr), the induced specific distribution pattern of chloroplast ...
Stress-induced electrolyte leakage: the role of K+
... Electrolyte leakage accompanies plant response to stresses, such as salinity, pathogen attack, drought, heavy metals, hyperthermia, and hypothermia; however, the mechanism and physiological role of this phenomenon have only recently been clarified. Accumulating evidence shows that electrolyte leakag ...
... Electrolyte leakage accompanies plant response to stresses, such as salinity, pathogen attack, drought, heavy metals, hyperthermia, and hypothermia; however, the mechanism and physiological role of this phenomenon have only recently been clarified. Accumulating evidence shows that electrolyte leakag ...
Part 3 (Archaea - Updates Book)
... b) Cell walls of archaea are not made of cellulose (like plant cells) or chitin (like fungi), but of other substances altogether. c) The process of photosynthesis, when it occurs in archaea, differs from that of plant or the various bacterial versions of photosynthesis. Modified from material found ...
... b) Cell walls of archaea are not made of cellulose (like plant cells) or chitin (like fungi), but of other substances altogether. c) The process of photosynthesis, when it occurs in archaea, differs from that of plant or the various bacterial versions of photosynthesis. Modified from material found ...
PDF - Bezanilla Lab
... Annu. Rev. Plant Biol. 2006.57:497-520. Downloaded from arjournals.annualreviews.org by University of Massachusetts - Amherst on 01/26/09. For personal use only. ...
... Annu. Rev. Plant Biol. 2006.57:497-520. Downloaded from arjournals.annualreviews.org by University of Massachusetts - Amherst on 01/26/09. For personal use only. ...
In situ proteo-metabolomics reveals metabolite secretion by
... Nevertheless, it is now well established that the microbial communities they harbor are well adapted and can have a decisive impact on the evolution of such ecosystems (Tichy et al., 1998; Das et al., 2009). For instance, the bacterial community of the Carnoulès AMD (Gard, France) has been extensiv ...
... Nevertheless, it is now well established that the microbial communities they harbor are well adapted and can have a decisive impact on the evolution of such ecosystems (Tichy et al., 1998; Das et al., 2009). For instance, the bacterial community of the Carnoulès AMD (Gard, France) has been extensiv ...
Vacuolar protein sorting mechanisms in plants
... other and then to the cis-Golgi [68,70,71]. The role of COPI vesicles for retrograde traffic from the Golgi to the ER or within the Golgi apparatus from the trans- towards the cis-Golgi in plants was first demonstrated in transgenic tobacco [72]. COPI consists of coatomer (F-COP and B-COP subunit) a ...
... other and then to the cis-Golgi [68,70,71]. The role of COPI vesicles for retrograde traffic from the Golgi to the ER or within the Golgi apparatus from the trans- towards the cis-Golgi in plants was first demonstrated in transgenic tobacco [72]. COPI consists of coatomer (F-COP and B-COP subunit) a ...
COMPLEMENTATION AND PRELIMINARY
... survival and adaptability. These events appear to occur in a precise sequential pattern suggesting a carefully regulated mechanism(s) for gene expression, and most probably involve interacting signals initially received from the individual parental gametes. The apparent absence of zygote maturation ...
... survival and adaptability. These events appear to occur in a precise sequential pattern suggesting a carefully regulated mechanism(s) for gene expression, and most probably involve interacting signals initially received from the individual parental gametes. The apparent absence of zygote maturation ...
Isolation and Characterization of Piscine Osteonectin and
... (E2)-treated goldfish, Carassius auratus, scales in vitro(10) and in vivo,(11) whereas melatonin(11) and calcitonin(10) suppress this enzymatic activity, suggesting a protective mechanism against excess degradation of the scale calcified matrix during vitellogenesis.(10) The role of other hormones i ...
... (E2)-treated goldfish, Carassius auratus, scales in vitro(10) and in vivo,(11) whereas melatonin(11) and calcitonin(10) suppress this enzymatic activity, suggesting a protective mechanism against excess degradation of the scale calcified matrix during vitellogenesis.(10) The role of other hormones i ...
Mobiluncus gen. nov. Mobiluncus curtisii subsp. curtisii sp. nov
... layer may explain the tendency of the curved rod-shaped organisms to stain gram negative. Cytoplasmic, spherical, electron-dense inclusions which may represent storage granules (27) or accumulations of phage heads were observed in all three strains examined (data not shown). The apparent absence of ...
... layer may explain the tendency of the curved rod-shaped organisms to stain gram negative. Cytoplasmic, spherical, electron-dense inclusions which may represent storage granules (27) or accumulations of phage heads were observed in all three strains examined (data not shown). The apparent absence of ...
Link
... These CPG networks generate simple organized motor rhythms in an autonomous manner. Initial efforts to decipher the general organization of these simple motor CPGs in vertebrates relied heavily on electrophysiological and pharmacological approaches. Such efforts were greatly aided by the development ...
... These CPG networks generate simple organized motor rhythms in an autonomous manner. Initial efforts to decipher the general organization of these simple motor CPGs in vertebrates relied heavily on electrophysiological and pharmacological approaches. Such efforts were greatly aided by the development ...
Enzyme Activities Associated with Carbohydrate
... Enzyme activities. These have been determined in both growth forms at 3, 4, 5 , 10, 14 and 18 h after inoculation and in the cells used for inoculation, i.e. after growth on Sabouraud maltose agar at 30 "C for 18 h (Fig. 2, 3). The activities in mycelium were fairly uniform over the growth period ex ...
... Enzyme activities. These have been determined in both growth forms at 3, 4, 5 , 10, 14 and 18 h after inoculation and in the cells used for inoculation, i.e. after growth on Sabouraud maltose agar at 30 "C for 18 h (Fig. 2, 3). The activities in mycelium were fairly uniform over the growth period ex ...
Pseudomonas spp.-induced systemic resistance
... Non-pathogenic rhizobacteria Pseudomonas spp. can reduce disease in plant tissues through induction of a defence state known as induced systemic resistance (ISR). This resistance is based on multiple bacterial determinants, but nothing is known about the mechanisms underlying rhizobacteria-induced r ...
... Non-pathogenic rhizobacteria Pseudomonas spp. can reduce disease in plant tissues through induction of a defence state known as induced systemic resistance (ISR). This resistance is based on multiple bacterial determinants, but nothing is known about the mechanisms underlying rhizobacteria-induced r ...
PDF - Journal of Neuroscience
... (ARID1a), BAF250b (ARID1b), BAF57, and BAF47, were linked to Coffin-Siris Syndrome (CSS), a sporadic intellectual disability syndrome (Santen et al., 2012; Tsurusaki et al., 2012). Eightyseven percent of CSS patients in these studies had a mutation in a BAF subunit, underscoring how mutations in gen ...
... (ARID1a), BAF250b (ARID1b), BAF57, and BAF47, were linked to Coffin-Siris Syndrome (CSS), a sporadic intellectual disability syndrome (Santen et al., 2012; Tsurusaki et al., 2012). Eightyseven percent of CSS patients in these studies had a mutation in a BAF subunit, underscoring how mutations in gen ...
Millius et al., J. Cell Sci., 2012 - Cardiovascular Research Institute
... within 1 mm of the leading edge (Fig. 2G,H). The distribution of p40 might be more restricted than either actin or WAVE2 for several reasons: other Arp2/3 complex activators such as WASP or N-WASP in combination with WAVE2 might further bias Arp2/3 to the cell periphery, or undersampling of WAVE2 pa ...
... within 1 mm of the leading edge (Fig. 2G,H). The distribution of p40 might be more restricted than either actin or WAVE2 for several reasons: other Arp2/3 complex activators such as WASP or N-WASP in combination with WAVE2 might further bias Arp2/3 to the cell periphery, or undersampling of WAVE2 pa ...
The Rhopalosiphum padi virus 59 internal ribosome entry site is
... is stimulated by the addition of liver cell, but not HeLa cell, extracts (Glass & Summers, 1993). It is clear that cellular trans-acting factors play an important role in the mechanism of IRES action and may contribute to the cellular tropism of picornaviruses. Indeed, it has been demonstrated that ...
... is stimulated by the addition of liver cell, but not HeLa cell, extracts (Glass & Summers, 1993). It is clear that cellular trans-acting factors play an important role in the mechanism of IRES action and may contribute to the cellular tropism of picornaviruses. Indeed, it has been demonstrated that ...