actinomycin d/arabidopsis thaliana

Despite its emergence as the plant model system, there are few reports that describe protocols for the isolation of functional nuclei from Arabidopsis thaliana and their use in nuclear run-on assays or in preparation of nuclear extracts. This is especially true for etiolated seedlings. Here we

Cystathionine gamma-synthase (CGS) catalyses the first committed step in methionine (Met) biosynthesis in higher plants. Stability of CGS1 mRNA encoding CGS in Arabidopsis thaliana is regulated by negative feedback in response to Met application and the amino acid sequence of CGS itself acts in cis

Proteins entering the secretory pathway of eukaryotic cells are folded into their native structures in the endoplasmic reticulum (ER). Disruption of protein folding causes ER stress and activates signaling cascades, designated the unfolded protein response (UPR), that restore folding capacity. In

The effect of the herbicide isoxaben on the incorporation of radiolabeled glucose, leucine, uracil, and acetate into acid insoluble cell wall material, protein, nucleic acids, and fatty acids, respectively, was measured. Dichlobenil, cycloheximide, actinomycin D, and cerulenin, inhibitors of the

BACKGROUND The nucleolus is the site of rRNA synthesis and processing in eukaryotic cells, but its composition remains poorly understood. RESULTS We have identified a novel nucleolar RNA-associated protein (Nrap) which is highly conserved from yeast (Saccharomyces cerevisiae) to human, with

Recognition of pathogen-associated molecular patterns (PAMPs) induces multiple defense mechanisms to limit pathogen growth. Here, we show that the Arabidopsis thaliana tandem zinc finger protein 9 (TZF9) is phosphorylated by PAMP-responsive mitogen-activated protein kinases (MAPKs) and is required