Uptake of organic nitrogen by plants
... polymeric N forms such as proteins (Paungfoo-Lonhienne et al., 2008). In spite of this ability of plants to use a wide range of N forms, research on plant N nutrition has had a strong focus on inorganic N forms. This focus was motivated by the prominent role of inorganic N in many arable soils and t ...
... polymeric N forms such as proteins (Paungfoo-Lonhienne et al., 2008). In spite of this ability of plants to use a wide range of N forms, research on plant N nutrition has had a strong focus on inorganic N forms. This focus was motivated by the prominent role of inorganic N in many arable soils and t ...
Growth, digestive and absorptive capacity and
... correlated with its antioxidant status [11]. Our laboratory studies indicated that the function of digestive organs of juvenile Jian carp was positively related to antioxidant status by methionine hydroxy analogue [12]. However, no studies have been conducted to investigate the relationship between ...
... correlated with its antioxidant status [11]. Our laboratory studies indicated that the function of digestive organs of juvenile Jian carp was positively related to antioxidant status by methionine hydroxy analogue [12]. However, no studies have been conducted to investigate the relationship between ...
Intestinal peptidases form functional complexes with the neutral
... membrane, except when a proline lies adjacent to the N-terminal amino acid [3]. The active site of APN defines its specificity for N-terminal amino acid residues. All aminopeptidase family members belong to the gluzincin metalloprotease family, with two consensus zinc-binding sequences, HEXXH and BX ...
... membrane, except when a proline lies adjacent to the N-terminal amino acid [3]. The active site of APN defines its specificity for N-terminal amino acid residues. All aminopeptidase family members belong to the gluzincin metalloprotease family, with two consensus zinc-binding sequences, HEXXH and BX ...
The Incorporation of Glycerol and Lysine into the Lipid Fraction of
... with ether before drying for counting. In certain experiments, radioactivity in the fraction soluble in cold 5% trichloroacetic acid was estimated on replicate cell samples before lipid extraction. Chromatography and radioautography. Column chromatography of lipid samples were carried out on silicic ...
... with ether before drying for counting. In certain experiments, radioactivity in the fraction soluble in cold 5% trichloroacetic acid was estimated on replicate cell samples before lipid extraction. Chromatography and radioautography. Column chromatography of lipid samples were carried out on silicic ...
E. Coli MurG: A Paradigm for a Superfamily of
... Crystals of E. coli MurG containing a C-terminal LEHHHHHH sequence were grown at room temperature using the hanging-drop vapor diffusion method in a NaMES buffer (pH 6.5) containing 0.5 M (NH4)2SO4 and 0.2% Triton X-100. Triclinic crystals belonging to the P1 space group and having two molecules per ...
... Crystals of E. coli MurG containing a C-terminal LEHHHHHH sequence were grown at room temperature using the hanging-drop vapor diffusion method in a NaMES buffer (pH 6.5) containing 0.5 M (NH4)2SO4 and 0.2% Triton X-100. Triclinic crystals belonging to the P1 space group and having two molecules per ...
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... protected during the incubation time or cysteine activated the enzyme through lowering its Km for the substrate. ...
... protected during the incubation time or cysteine activated the enzyme through lowering its Km for the substrate. ...
Tetrahymena Contain Two Distinct and Unusual High Mobility Group
... M. A. Gorovsky, 1986, Proc. Natl. Acad. Sci. USA, 83:8674-8678) rules out the possibility that LG-1 and ...
... M. A. Gorovsky, 1986, Proc. Natl. Acad. Sci. USA, 83:8674-8678) rules out the possibility that LG-1 and ...
Substrate recognition by nonribosomal peptide
... the relatively large side chain of L-Phe via seven to eight selectivity-determining residues, is likely to be a poor model for the selective binding of amino acids with relatively compact side chains such as L-Pro. Indeed, modelling of L-Pro binding to models of RedM and the A domain from module 1 o ...
... the relatively large side chain of L-Phe via seven to eight selectivity-determining residues, is likely to be a poor model for the selective binding of amino acids with relatively compact side chains such as L-Pro. Indeed, modelling of L-Pro binding to models of RedM and the A domain from module 1 o ...
Developmental Regulation of Genes Encoding Universal Stress
... expression data and RT-PCR assays confirmed that all the S. mansoni USP genes were transcribed in at least one of the developmental life cycle stages of the helminth. Six of these genes were up-regulated in the miracidium, a free-swimming stage that is critical for transmission to the snail intermed ...
... expression data and RT-PCR assays confirmed that all the S. mansoni USP genes were transcribed in at least one of the developmental life cycle stages of the helminth. Six of these genes were up-regulated in the miracidium, a free-swimming stage that is critical for transmission to the snail intermed ...
Massachusetts Tests for Educator Licensure (MTEL )
... Correct Response: B. The environmental conditions are controlled, and the comparison stated is correct and sufficient to answer the question as to which plastic degrades more quickly. A is incorrect because the two plastics are not compared and degradation rates are theoretical. C is incorrect becau ...
... Correct Response: B. The environmental conditions are controlled, and the comparison stated is correct and sufficient to answer the question as to which plastic degrades more quickly. A is incorrect because the two plastics are not compared and degradation rates are theoretical. C is incorrect becau ...
FEMS Microbiology Ecology 28:
... proton extrusion associated with ammonium assimilation [12], or by organic acid production [13]. Therefore, P solubilizing microorganisms can be ...
... proton extrusion associated with ammonium assimilation [12], or by organic acid production [13]. Therefore, P solubilizing microorganisms can be ...
Aplicació de tècniques voltamperomètriques i cronopotenciomètriques de redissolució a l’especiació
... l1 of KNO3 using a deposition time of 120 s: (a) log s vs. log Iox plot for a Cd(II) concentration of 106 mol l1 compared with the theoretical lines with slope )1 (total depletion) and )2 (semi-infinite linear diffusion); (b) s vs. c2TM plot (where cTM is the total metal concentration) using an oxi ...
... l1 of KNO3 using a deposition time of 120 s: (a) log s vs. log Iox plot for a Cd(II) concentration of 106 mol l1 compared with the theoretical lines with slope )1 (total depletion) and )2 (semi-infinite linear diffusion); (b) s vs. c2TM plot (where cTM is the total metal concentration) using an oxi ...
H2S-NSAIDs
... reaction, consisting of the removal of the cysteine sulfur atom without its oxidation. This process may be catalyzed by both trans-sulfuration pathway enzymes, CBS and CSE. On the other hand, the H2S catabolic pathway is not well-defined yet, and most of the data have been obtained by using exogenou ...
... reaction, consisting of the removal of the cysteine sulfur atom without its oxidation. This process may be catalyzed by both trans-sulfuration pathway enzymes, CBS and CSE. On the other hand, the H2S catabolic pathway is not well-defined yet, and most of the data have been obtained by using exogenou ...
Chemistry HL Syllabus Details
... Deduce, from an enthalpy level diagram, the relative stabilities of reactants and products, and the sign of the enthalpy change for the ...
... Deduce, from an enthalpy level diagram, the relative stabilities of reactants and products, and the sign of the enthalpy change for the ...
Improved Synthesis of Seven-Coordinate Molybdenum( I I) and
... and the reaction was refluxed for 12 h. The methanol and any free isocyanide was removed under reduced pressure. The resultant solid was p h o t o c h e m i ~ a l l yconverted ~ ~ ~ ~ ~ to [W(CN-tC&)6I]I and purified as described in the synthesis of [Mo(CNt-C4Hg)61]Iabove. A total of 0.64 g of [W(CN ...
... and the reaction was refluxed for 12 h. The methanol and any free isocyanide was removed under reduced pressure. The resultant solid was p h o t o c h e m i ~ a l l yconverted ~ ~ ~ ~ ~ to [W(CN-tC&)6I]I and purified as described in the synthesis of [Mo(CNt-C4Hg)61]Iabove. A total of 0.64 g of [W(CN ...
PCNA Protein Expression during Spermatogenesis of the
... these forms is a 32-kDa protein with a pI value of 4.6 and the other is a 36-kDa protein with a pI of 4.7. To our knowledge, there has been no report of two forms to data of PCNA in any species. RT-PCR analysis using testis poly (A)+ RNA and primers corresponding to the 5’ and the 3’ end of the open ...
... these forms is a 32-kDa protein with a pI value of 4.6 and the other is a 36-kDa protein with a pI of 4.7. To our knowledge, there has been no report of two forms to data of PCNA in any species. RT-PCR analysis using testis poly (A)+ RNA and primers corresponding to the 5’ and the 3’ end of the open ...
University of Groningen Reactivity of rare earth metal
... method to synthesize conjugated enyne motifs, which are important building blocks for organic synthesis and key units found in a variety of biologically active compounds and synthetic conjugated polymers for optoelectronic applications.1 Many organometallic catalysts, employing early2 or late transi ...
... method to synthesize conjugated enyne motifs, which are important building blocks for organic synthesis and key units found in a variety of biologically active compounds and synthetic conjugated polymers for optoelectronic applications.1 Many organometallic catalysts, employing early2 or late transi ...
Muscle alanine synthesis and hepatic gluconeogenesis
... of the amino acid nitrogen towards alanine formation would serve to prevent excessive generation of potentially toxic ammonia by the purine nucleotide cycle. The precise roles of amino acid breakdown and ammonia generation in muscle are not clear, but it may be that one function of ammonia formation ...
... of the amino acid nitrogen towards alanine formation would serve to prevent excessive generation of potentially toxic ammonia by the purine nucleotide cycle. The precise roles of amino acid breakdown and ammonia generation in muscle are not clear, but it may be that one function of ammonia formation ...
Progesterone-stimulated intracellular calcium increase in human
... for progesterone in the physiological stimulation of acrosome reaction of capacitated mammalian spermatozoa (for review, see Baldi et al., 1995). Progesterone, which is present in µM concentrations in the cumulus matrix that surrounds the oocyte at the time of fertilization, stimulates acrosome reac ...
... for progesterone in the physiological stimulation of acrosome reaction of capacitated mammalian spermatozoa (for review, see Baldi et al., 1995). Progesterone, which is present in µM concentrations in the cumulus matrix that surrounds the oocyte at the time of fertilization, stimulates acrosome reac ...
Chapter 3 - Educator
... Thus, the molecular ratio is one O2 for each two NO as required by the balanced equation. The right box (products) contains eight NO2 molecules. The number of NO2 molecules on the right equals the number of NO molecules on the left as the balanced equation requires. Counting the atoms, we find eight ...
... Thus, the molecular ratio is one O2 for each two NO as required by the balanced equation. The right box (products) contains eight NO2 molecules. The number of NO2 molecules on the right equals the number of NO molecules on the left as the balanced equation requires. Counting the atoms, we find eight ...
The Use of XAFS to Distinguish between Inner- and Outer
... et al. (15) used grazing incidence XAFS to show that Pb forms inner-sphere complexes on the (002) plane of a-Al 2O 3, and outer-sphere complexes on the (001) plane. Papelis and Hayes (6) used XAFS to study the pH and ionic strength dependence of Co adsorption on montmorillonite. They found that at h ...
... et al. (15) used grazing incidence XAFS to show that Pb forms inner-sphere complexes on the (002) plane of a-Al 2O 3, and outer-sphere complexes on the (001) plane. Papelis and Hayes (6) used XAFS to study the pH and ionic strength dependence of Co adsorption on montmorillonite. They found that at h ...
Preference for and learning of amino acids in larval Drosophila
... to be avoided may be preferred at another concentration. Also, Ignell et al. (2010) found that when individual amino acids mixed with sugar were tested for preference in the mosquito, several amino acids reduced preference. This effect, as well as an inhibition of sucrose feeding by amino acids, was ...
... to be avoided may be preferred at another concentration. Also, Ignell et al. (2010) found that when individual amino acids mixed with sugar were tested for preference in the mosquito, several amino acids reduced preference. This effect, as well as an inhibition of sucrose feeding by amino acids, was ...
HEMAGGLUTINATION BY PURIFIED TYPE I ESCHERICHIA
... HAI titers were determined as follows. To twofold dilutions of the inhibitor (25 ~l/well), 25/~1 of t h e test erythrocytes were added, and the plates were sealed and agitated for 30 s. 25 ~1 of a purified pill solution diluted to contain four times the minimal h e m a g g l u t i n a t i n g concen ...
... HAI titers were determined as follows. To twofold dilutions of the inhibitor (25 ~l/well), 25/~1 of t h e test erythrocytes were added, and the plates were sealed and agitated for 30 s. 25 ~1 of a purified pill solution diluted to contain four times the minimal h e m a g g l u t i n a t i n g concen ...
Metalloprotein
Metalloprotein is a generic term for a protein that contains a metal ion cofactor. A large number of all proteins are part of this category.