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T Arras et al.
Journal of bacteriology, 180(8), 2133-2136 (1998-04-29)
The growth rates of Pseudomonas putida KT2442 and mt-2 on benzoate, 4-hydroxybenzoate, or 4-methylbenzoate showed an exponential decrease with decreasing oxygen tensions (partial O2 tension [pO2] values). The oxygen tensions resulting in half-maximal growth rates were in the range of
Olga Grechishkina
Journal of chromatography. A, 948(1-2), 65-67 (2003-07-02)
The retention of aromatic carboxylic acids and their esters in reversed-phase HPLC is proportional to the sum of their partition coefficients in octanol-water system and retention increments. This equation can be used for the identification of various side-products formed in
Robert McGraw et al.
The Journal of chemical physics, 128(6), 064508-064508 (2008-02-20)
Recent kinetic extensions of the nucleation theorem suggest that the logarithm of the steady-state nucleation rate has strong multilinear dependence on the log concentrations of condensable species present in the vapor phase. A further remarkable result is that the coefficients
Marie S T Morin et al.
The Journal of organic chemistry, 77(4), 2013-2017 (2012-01-31)
A copper-catalyzed Petasis-type reaction of imines, acid chlorides, and organoboranes to form α-substituted amides is described. This reaction does not require the use of activated imines or the transfer of special units from the organoboranes and represent a useful generalization
Qingjiang Wang et al.
Electrophoresis, 26(17), 3273-3278 (2005-09-07)
For its high reactivity and very short half-life, the hydroxyl radical (OH.) in vivo is very difficult to be detected. Usually, it is indirectly quantified by determining 2,3-dihydroxybenzoic acid (2,3-DHBA) and 2,5-dihydroxybenzoic acid (2,5-DHBA), which are the reaction products of
V Balachandran et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 104, 114-129 (2012-12-26)
FT-Raman and FT-IR spectra for 2-hydroxy-p-toluic acid molecule had been recorded in the regions 3500-100 cm(-1) and 4000-400 cm(-1), respectively. Vibrational frequencies have been calculated in optimum state by employing density functional theory (DFT) and Hartree Fock (HF) methods with
C Roussel et al.
Biomedical chromatography : BMC, 15(3), 173-180 (2001-06-08)
An improved methodology for microbatch screening in the liquid-solid enantioselective adsorption of racemates by solid chiral selector is presented and illustrated by the evaluation of a series of six cellulose tris(alpha-phenylpropionate) presenting a configurational diversity and cellulose tris (4-methylbenzoate). Analyses
C Hempel et al.
Biotechnology and bioengineering, 57(1), 62-70 (1999-04-01)
Plasmid stability of recombinant Pseudomonas sp. B13 FR1 pFRC20P, a strain capable of mineralizing 3- and 4-chlorobenzoate and 4-methylbenzoate, was investigated in continuous culture. The hybrid cosmid pFRC20P enables the strain to mineralize 4-methylbenzoate. Rapid plasmid loss was observed under
Mariana C F C B Damião et al.
Archiv der Pharmazie, 347(12), 885-895 (2014-10-07)
A novel class of benzo[d][1,3]dioxol-5-ylmethyl alkyl/aryl amide and ester analogues of capsaicin were designed, synthesized, and evaluated for their cytotoxic activity against human and murine cancer cell lines (B16F10, SK-MEL-28, NCI-H1299, NCI-H460, SK-BR-3, and MDA-MB-231) and human lung fibroblasts (MRC-5).
Sven Lahme et al.
Applied and environmental microbiology, 78(5), 1606-1610 (2011-12-20)
A novel alphaproteobacterium isolated from freshwater sediments, strain pMbN1, degrades 4-methylbenzoate to CO(2) under nitrate-reducing conditions. While strain pMbN1 utilizes several benzoate derivatives and other polar aromatic compounds, it cannot degrade p-xylene or other hydrocarbons. Based on 16S rRNA gene
Shiu-Mei Liu et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 38(6), 1099-1113 (2003-05-31)
Composition of the headspace gas affected the biotransformation pattern of toluic acid isomers in anoxic sediment slurries. Under an N2 atmosphere, o- and m-, and p-toluic acid (20-25 mg L(-1)) were biotransformed in 100 days, 77 days, and 148 days
Sven Lahme et al.
Environmental microbiology, 14(5), 1118-1132 (2012-01-24)
The pathway for anaerobic degradation of 4-methylbenzoate was studied in the denitrifying alphaproteobacterium Magnetospirillum sp. strain pMbN1. Adaptation studies with whole cells indicated substrate-dependent induction of the capacity to degrade 4-methylbenzoate. Differential protein profiling (2D-DIGE) of 4-methylbenzoate- in comparison with
[Biotransformation of p-toluic acid by bacterium Rhodococcus ruber P25].
E S Shumkova et al.
Mikrobiologiia, 78(3), 421-423 (2009-07-08)
D Durkin et al.
Electrophoresis, 21(10), 1997-2009 (2000-07-06)
The concept of dual opposite injection in capillary electrophoresis (DOI-CE) for the simultaneous separation, under conditions of suppressed electroosmotic flow, of anionic and cationic compounds with no bias in resolution and analysis time, is extended to a higher pH range
Tewes Tralau et al.
Archives of microbiology, 180(5), 319-326 (2003-09-19)
The degradation of p-toluenesulfonate (TSA) by Comamonas testosteroni T-2 is initiated by a transport system (TsaST) and enzymes (TsaMBCD) encoded on the tsa transposon, Tn tsa, on the TSA plasmid (pTSA). Tn tsa comprises an insert of 15 kb between
Peter Terry Mayer et al.
Biochemistry, 42(6), 1624-1636 (2003-02-13)
Passive peptide transport across lipid membranes is governed by the energetics of partitioning into the ordered chain interior coupled with the rate of diffusion across this region. A hydrophobicity scale for peptide transfer into the barrier region of membranes derived
Tewes Tralau et al.
Applied and environmental microbiology, 69(4), 2298-2305 (2003-04-05)
TsaR is the putative LysR-type regulator of the tsa operon (tsaMBCD) which encodes the first steps in the degradation of p-toluenesulfonate (TSA) in Comamonas testosteroni T-2. Transposon mutagenesis was used to knock out tsaR. The resulting mutant lacked the ability
Mariko Shirota et al.
The Journal of toxicological sciences, 33(4), 431-445 (2008-10-02)
Oral toxicity of 4-methylbenzoic acid in male and female Sprague-Dawley rats was profiled through a twenty-eight-day repeated dose toxicity study (the 28-day study) and a screening test for reproductive/developmental toxicities (the reproduction/developmental study) conducted under Organisation for Economic Co-operation and
Ji Young Kim et al.
Water research, 46(8), 2805-2814 (2012-03-16)
Two-stage upflow anaerobic sludge blanket (UASB) process was investigated as an efficient process configuration option for the treatment of purified terephthalic acid (PTA) wastewater. To study its feasibility in a defined condition, synthetic wastewater containing only the major pollutants (i.e.
Albert Wong
PloS one, 4(10), e7391-e7391 (2009-10-10)
Cancers often overexpress EGF and other growth factors to promote cell replication and migration. Previous work has not produced targeted drug carriers sensitive to abnormal amounts of growth factors. This work demonstrates that liposomes bearing EGF receptors covalently crosslinked to
C P Saint et al.
Microbiology (Reading, England), 142 ( Pt 9), 2407-2418 (1996-09-01)
We have determined the entire nucleotide sequence of a 4.4 kbp fragment of pMOP, a plasmid involved in 4-methylphthalate catabolism in Burkholderia cepacia (formerly Pseudomonas cepacia) Pc701. Two complete ORFs were identified and termed mopA and mopB. mopB encodes a
Feng Qin et al.
Se pu = Chinese journal of chromatography, 22(6), 569-574 (2005-04-06)
Cellulose tris (4-methylbenzoate) derivatives (CTMB) having methacryloyl groups were synthesized with regio-selective or nonselective procedures, and were immobilized on gamma-methacrylatepropylated silica (gamma-MAPS) through a polymerization reaction. The obtained chiral stationary phases ( CSPs) were evaluated by high performance liquid chromatographic
Hnin Thanda Aung et al.
Bioorganic & medicinal chemistry, 19(23), 7000-7002 (2011-11-04)
Previously, we reported the structural requirements of the cinnamic acid relatives for inhibition of snake venom hemorrhagic action. In the present study, we examined the effect of benzenepolycarboxylic acids and substituted benzoic acids against Protobothropsflavoviridis venom-induced hemorrhage. Pyromellitic acid (1,2,4,5-benzenetetracarboxylic
K Daly et al.
Journal of applied microbiology, 83(4), 421-429 (1997-11-14)
Sixty-one strains of bacteria capable of growth on 4-methyl benzoic acid (29 isolates) or naphthalene (32 isolates) as the sole source of carbon and energy were isolated from sediments and water samples from the River Tyne, UK. Random amplification of
F Junker et al.
Microbiology (Reading, England), 142 ( Pt 9), 2419-2427 (1996-09-01)
Three multicomponent oxygenases involved in the degradation of p-toluenesulfonate and p-toluenecarboxylate and the regulation of their synthesis have been examined in three strains (T-2, PSB-4 and TER-1) of Comamonas testosteroni. Strain T-2 utilizes p-toluenesulfonate as a source of carbon and
A C Franck-Mokross et al.
Applied microbiology and biotechnology, 50(2), 233-240 (1998-12-05)
Pseudomonas sp. D7-4 and Pseudomonas sp. B13 FR1(pFRC20P) degraded mixtures of chloro- and methyl-substituted benzoates exclusively via an extended ortho pathway, whereas in Pseudomonas putida WR 201 both ortho and meta fission were induced by mixtures of 3-chloro- and 3-methylbenzoate
C E Kuo et al.
Chemosphere, 45(6-7), 835-842 (2001-11-07)
The composition of the headspace gas affected the growth dynamics of microbial populations and the biotransformation pattern of p-toluic acid in anoxic estuarine sediments. Under CO2 atmosphere, p-toluic acid was transformed by the sediment microorganisms without a lag period, while
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