2 Tridecanone
Mostrando 1-7 de 7 artigos, teses e dissertações.
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1. Efeito de tricomas, aleloquimicos e nutrientes na resistencia de Lycopersicon hirsutum a traca-do-tomateiro.
Estudos foram conduzidos com o objetivo de verificar o efeito de tricomas, aleloquimicos e nutrientes nas folhas de partes do dossel das plantas na resistencia de Lycopersicon hirsutum a traca-do-tomateiro, Tuta absoluta (Lepidoptera: Gelechiidae). Foram quantificados os teores de 2-tridecanona (2-TD), 2-undecanona (2-UD), N, P, K, Ca e Mg, densidade e tipos
Pesquisa Agropecuaria Brasileira. Publicado em: 2011
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2. Insecticidal activity of 2-tridecanone against the cowpea weevil Callosobruchus maculatus (Coleoptera: Bruchidae)
O efeito dos vapores da 2-tridecanona sobre o caruncho do feijão-de-corda (Callosobruchus maculatus) foi avaliado. Sementes de feijão-de-corda infestados com insetos adultos foram expostas a diferentes doses de 2-tridecanona isolada de Pilocarpus microphyllus, uma espécie nativa do Nordeste do Brasil. O monoterpeno puro foi utilizado nas diluições 1:10,
Anais da Academia Brasileira de Ciências. Publicado em: 2007-03
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3. Specificity and Induction of Undecyl Acetate Esterase from Pseudomonas cepacia Grown on 2-Tridecanone
Undecyl acetate esterase from Pseudomonas cepacia grown on 2-tridecanone was strongly inhibited by organophosphates and other esterase inhibitors. Also, p-chloromercuribenzoate at 1 × 10−4 M showed a 70% inhibition of esterase activity. The enzyme hydrolyzed both aliphatic and aromatic acetate esters at substrate concentrations of 0.25 M. Under these cond
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4. Oxidative Degradation of Methyl Ketones II. Chemical Pathway for Degradation of 2-Tridecanone by Pseudomonas multivorans and Pseudomonas aeruginosa
A new intermediate was identified in the 2-tridecanone pathway of Pseudomonas multivorans, formerly designated pseudomonad 4G-9. This intermediate, undecyl acetate, was isolated directly from growing cultures of the organism; the structure of the intermediate was determined by infrared spectroscopy and by gas-liquid chromatographic identification of its hydr
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5. Bacterial Oxidation of 2-Tridecanone to 1-Undecanol1
A study of the microbial utilization of long-chain methyl ketones was under-taken. In general, enrichment culture experiments revealed that soil microorganisms capable of utilizing these compounds as growth substrates are ubiquitous. Gram-negative, rod-shaped bacteria were the prominent organisms exhibiting this capability. In particular, a strain of Pseudom
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6. Purification and Properties of Undecyl Acetate Esterase from Pseudomonas cepacia Grown on 2-Tridecanone
Undecyl acetate esterase has been purified from Pseudomonas cepacia grown on the methyl ketone, 2-tridecanone. The Km for undecyl acetate was 2.3 × 10−2 M. Polyacrylamide gel electrophoresis indicated that two esterase bands were being recovered during purification. These bands were separated by preparative polyacrylamide gel electrophoresis. Molecular we
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7. Resistance plasmids in Pseudomonas cepacia 4G9.
Pseudomonas cepacia 4G9 utilizes 2-tridecanone as its sole carbon source and has been shown to be resistant to a variety of antibiotics. To ascertain whether any of these characteristics were plasmid mediated, Escherichia coli HB101 was transformed with plasmid DNA isolated from Pseudomonas cepacia 4G9. No 2-tridecanone-utilizing transformants were obtained.