Preliminary studies on the involvement of biosynthesis of cysteine and glutathione concentration in the resistance to B toxicity in sunflower plants
It is shown that external the application of cysteine, and especially of glutathione, significantly reduces B toxicity, these plants reflecting a foliar biomass similar to that of control, and the data presented are novel in being the first to demonstrate that B toxicity impides the conversion of Cysteine to glutathion.
Synthesis of the sulfur amino acids: cysteine and methionine
- Biology, MedicinePhotosynthesis Research
This review will assess new features reported for the molecular and biochemical aspects of cysteine and methionine biosynthesis in Arabidopsis thaliana with regards to early published data from other…
Antisense inhibition of threonine synthase leads to high methionine content in transgenic potato plants.
- Medicine, BiologyPlant physiology
Increased Met content in TS antisense potato plants offers a major biotechnological advance toward the development of crop plants with improved nutritional quality and has no detectable effect on mRNA or protein levels or on the enzymatic activity of cystathionine gamma-synthase in potato.
Biofortification of Selenium in broccoli (Brassica oleracea L. var. italica) and onion (Allium cepa L.)
This research presents a probabilistic procedure to assess whether the presence of non-volatile substance in the response of the immune system to certain infectious diseases is a positive sign or a negative sign.
Structural analysis of the substrate recognition mechanism in O-phosphoserine sulfhydrylase from the hyperthermophilic archaeon Aeropyrum pernix K1.
- Chemistry, MedicineJournal of molecular biology
To elucidate the mechanism of the substrate specificity of OPSS, three-dimensional structures of the active site of the enzyme were analyzed and no significant difference was seen in the overall structure between the free and complexed forms ofOPSS.
Sulfur assimilation and abiotic stress in plants
A case study of Fertilization with Sulfur on Quality of Winter Wheat: A Case Study of Nitrogen Deprivation.
Chapter 19 Sulfur Metabolism in Plastids
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .…
Increased Glutathione Biosynthesis Plays a Role in Nickel Tolerance in Thlaspi Nickel Hyperaccumulators
- Biology, MedicineThe Plant Cell Online
Elevated GSH concentrations, driven by constitutively elevated SAT activity, are involved in conferring tolerance to Ni-induced oxidative stress in Thlaspi Ni hyperaccumulators.
Production of β-(pyrazol-1-yl)-l-alanine from l-serine and pyrazol using recombinant Escherichia coli cells expressing serine acetyltransferase and O-acetylserine sulfhydrylase-A
- BiologyBiotechnology Letters
β-(Pyrazol-1-yl)-l-alanine (β-PA) was produced from l-serine and pyrazol using recombinant Escherichia coli cells expressing serine acetyltransferase and O-acetylserine sulfhydrylase-A under optimized conditions.
Engineering of cysteine and methionine biosynthesis in potato
- Biology, MedicineAmino Acids
It is concluded that threonine synthase and not cystathionine gamma-synthase constitutes the main regulatory control point of methionine synthesis in potato.
SHOWING 1-10 OF 116 REFERENCES
Methionine biosynthesis in higher plants. II. Purification and characterization of cystathionine beta-lyase from spinach chloroplasts.
- Chemistry, MedicineArchives of biochemistry and biophysics
The comparison between the Kapp (free pyridoxal 5'-phosphate) and Kappi (enzyme inactivation) values indicate that the prosthetic group of spinach chloroplast cystathionine beta-lyase is freely accessible to the inhibitor compound AVG.
Cysteine synthesis in plants: protein-protein interactions of serine acetyltransferase from Arabidopsis thaliana.
- Biology, MedicineThe Plant journal : for cell and molecular biology
Application of this method proved to be an efficient tool for the analysis of protein-protein interactions within a plant metabolic protein complex and the C-terminus of SAT to be sufficient for association with OAS-TL and to correlate with the putative transferase activity domain.
Regulation of Sulfur Metabolism in Plants:First Molecular Approaches
Sulfate assimilation is a fundamental biological process in which sulfate is reduced to the thiol level and incorporated into a C skeleton, thus forming cysteine in photosynthetic and prokaryotic…
A Null Mutant of Synechococcus sp. PCC7942 Deficient in the Sulfolipid Sulfoquinovosyl Diacylglycerol (*)
- Biology, MedicineThe Journal of Biological Chemistry
Reduced growth of the sulfolipid-deficient null mutant under phosphate-limiting conditions supports the hypothesis that sulfolIPid acts as a surrogate for anionic phospholipids under phosphate -limiting growth conditions.
A cDNA clone from Arabidopsis thaliana encoding plastidic ferredoxin:sulfite reductase.
- Biology, MedicineBiochimica et biophysica acta
A cDNA with an open reading frame of 1929 bp (termed sir) was isolated from a lambda ZapII library of Arabidopsis thaliana leaf tissue. The polypeptide sequence deduced from the cDNA is homologous to…
Accumulation of a sulphurrich seed albumin from sun ̄ ower in the leaves of transgenic subterranean clover ( Trifolium subterraneum L . )
- Transgenic Res
Active fragments and analogs of the plant growth factor, phytosulfokine: structure-activity relationships.
- Chemistry, MedicineBiochemical and biophysical research communications
The N-terminal tripeptide fragment H-T Tyr(SO3H)-Ile-Tyr(SO2H)-OH has been identified as the active core of PSK-alpha, indicating that the sulfate group of Tyr1 is more important than that of Tyr3 for the expression of its activity.
Characterization of the cDNA and Gene Coding for the Biotin Synthase of Arabidopsis thaliana
- Biology, MedicinePlant physiology
Site-specific mutagenesis indicates that residue threonine-173, which is highly conserved in biotin synthases, is important for catalytic competence of the enzyme.
Cloning and analysis of the gene for cystathionine csynthase from Arabidopsis thaliana
- Plant Mol Biol
Cloning of Arabidopsis thaliana glutathione synthetase (GSH2) by functional complementation of a yeast gsh2 mutant.
- Medicine, BiologyEuropean journal of biochemistry
The yeast gsh2 mutant becomes resistant to methylglyoxal and cadmium after transformation with the plasmid bearing the Arabidopsis GSH2 cDNA, correlated to the restoration of GSH content from below detectability in mutants to about 50% of the wild-type levels in transformed cells.