scholarly journals Regioselective Base-induced Condensations of Acrylic Acid Derivatives

1999 ◽  
Vol 23 (3) ◽  
pp. 174-175
Author(s):  
E. Abdel-Ghani
Keyword(s):  
Carboxylic Acid ◽  
Acrylic Acid ◽  
Dicarboxylic Acid ◽  
Ethyl Acetoacetate ◽  
Tobacco Necrosis Virus ◽  
Necrosis Virus ◽  
Antiviral Activities

The orientation of cyclization of the reaction of methyl aroylacrylate (1) and aroylacrylic acid (8) with ethyl acetoacetate and/or thiourea leading to the formation of 4-aroylmethylcyclopentane-1,3-dione (2) 5-aryl-3-oxocyclohexene-1,2-dicarboxylic acid (9), 2-imino-5-aroylmethylthiazolidin-4-one (11) and 6-aryl-2-sulfonylpyrimidine-4-carboxylic acid (14) depends on the medium employed; some compounds show moderate antiviral activities against tobacco necrosis virus.

scholarly journals The 3' untranslated region of satellite tobacco necrosis virus RNA stimulates translation in vitro.

1993 ◽  
Vol 13 (6) ◽  
pp. 3340-3349 ◽  
Author(s):  
X Danthinne ◽  
J Seurinck ◽  
F Meulewaeter ◽  
M Van Montagu ◽  
M Cornelissen
Keyword(s):  
Tobacco Necrosis Virus ◽  
Translation System ◽  
Coding Region ◽  
Necrosis Virus ◽  
Untranslated Sequence ◽  
Virus Rna ◽  
Free Translation ◽  
Order Of Magnitude ◽  
A Cell

The RNA of satellite tobacco necrosis virus (STNV) is a monocistronic messenger that lacks both a 5' cap structure and a 3' poly(A) tail. We show that in a cell-free translation system derived from wheat germ, STNV RNA lacking the 600-nucleotide trailer is translated an order of magnitude less efficiently than full-size RNA. Deletion analyses positioned the translational enhancer domain (TED) within a conserved hairpin structure immediately downstream from the coat protein cistron. TED enhances translation when fused to a heterologous mRNA, but the level of enhancement depends on the nature of the 5' untranslated sequence and is maximal in combination with the STNV leader. The STNV leader and TED have two regions of complementarity. One of the complementary regions in TED resembles picornavirus box A, which is involved in cap-independent translation but which is located upstream of the coding region.

Translation of satellite tobacco necrosis virus ribonucleic acid. II. Initiation of in vitro translation in procaryotic and eucaryotic systems

Biochemistry ◽  
1972 ◽  
Vol 11 (11) ◽  
pp. 2014-2019 ◽  
Author(s):  
Ronald E. Lundquist ◽  
Jerome M. Lazar ◽  
William H. Klein ◽  
John M. Clark
Keyword(s):  
Ribonucleic Acid ◽  
In Vitro Translation ◽  
Tobacco Necrosis Virus ◽  
Necrosis Virus

Umwandlungen von Phenazinen in Pseudomonas aureofaciens [1] / Transformations of Phenazines in Pseudomonas aureofaciens

1983 ◽  
Vol 38 (7-8) ◽  
pp. 539-543 ◽  
Author(s):  
A. Römer ◽  
E. Lange
Keyword(s):  
Carboxylic Acid ◽  
Dicarboxylic Acid ◽  
Methyl Derivative ◽  
Pseudomonas Aureofaciens ◽  
Acid Methyl

Transformation of phenazines in Pseudomonas aureofaciens were investigated with deuterated phenazine-1-carboxylic acid, 2-hydroxyphenazine-1-carboxylic acid, phenazine-1,6-dicarboxylic acid, methyl phenazine-1-carboxylate, dimethyl phenazine-1,6-dicarboxylate, and its mono methyl derivative. It was shown that hydroxylation and decarboxylation of phenazine-1-carboxylic acid gave rise to the variety of phenazines isolated from this strain.

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