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Tobacco nicotine uptake permease (NUP1) affects alkaloid metabolism
- Sherry B. Hildreth, Elizabeth A Gehman, J. Jelesko
- BiologyProceedings of the National Academy of Sciences
- 17 October 2011
It is shown that a gene fragment encoding a putative plasma membrane proton symporter gene corresponds to a Nicotiana tabacum gene encoding a nicotine uptake permease (NUP1), which affected nicotine metabolism, localization, and root growth.
Solid dispersion of quercetin in cellulose derivative matrices influences both solubility and stability.
Alpha-keto acid chain elongation reactions involved in the biosynthesis of coenzyme B (7-mercaptoheptanoyl threonine phosphate) in methanogenic Archaea.
The protein product of the Methanococcus jannaschii MJ0503 gene aksA (AksA) was found to catalyze the condensation of alpha-ketoglutarate and acetylCoA to form trans-homoaconitate, a precursor to coenzyme B and biotin.
Small-bandgap endohedral metallofullerenes in high yield and purity
The idea that fullerenes might be able to encapsulate atoms and molecules has been verified by the successful synthesis of a range of endohedral fullerenes, in which metallic or non-metallic species…
Stability and solubility enhancement of ellagic acid in cellulose ester solid dispersions.
Biochemical Evaluation of the Decarboxylation and Decarboxylation-Deamination Activities of Plant Aromatic Amino Acid Decarboxylases*
- M. P. Torrens-Spence, Pingyang Liu, H. Ding, K. Harich, G. Gillaspy, Jianyong Li
- Chemistry, BiologyThe Journal of Biological Chemistry
- 30 November 2012
The data indicates that the tyrosine and phenylalanine in the catalytic loop region could serve as a signature residue to reliably distinguish plant arylalkylamine and aldehyde synthesizing AAADs and enables further insights into the mechanistic roles of active site residues.
Biochemical evaluation of a parsley tyrosine decarboxylase results in a novel 4-hydroxyphenylacetaldehyde synthase enzyme.
Overexpression of AtLOV1 in Switchgrass Alters Plant Architecture, Lignin Content, and Flowering Time
This is the first report of a single ectopically expressed transcription factor altering the leaf angle, cell wall composition, and flowering time of switchgrass, therefore demonstrating the potential advantage of translational genomics for the genetic improvement of this crop.
Materials science: A stable non-classical metallofullerene family
A family of non-classical endohedral metallofullerenes with the general structure AxSc3−xN@C 68 that has a non-IPR cage of only 68 carbon atoms containing annelated five-membered rings that is metal-stabilized and accessible for external organic reaction chemistry.
Tb3N@C84: an improbable, egg-shaped endohedral fullerene that violates the isolated pentagon rule.
Although 24 IPR structures are available to the C84 cage, Nature utilizes one of the 51 568 isomeric structures that do not conform to the IPR for this unusual molecule.