(1) The quinolinate synthetase B protein exists in all nadA and nadC mutants examined.
(2) The presence of cAMP + cAMP receptor protein was essential for the complete derepression of nadA while no effect was evident upon nadB.
(3) She alleged that Epstein went on to make her have sex with Nada Marcinkova, another female Epstein associate .
(4) The structure of the adducts is in conformity with the generation and reactions of dehydro NADA quinone methide (or its radical).
(5) Accordingly, desaturase enzyme preparation contained both o-diphenoloxidase activity and NADA quinone:NADA quinone methide isomerase activity.
(6) Resolution of the NADA desaturase system on Benzamidine Sepharose and Sephacryl S-200 columns yielded the above-mentioned quinone isomerase and NADA quinone methide:dehydro NADA isomerase.
(7) The present paper reports on the mechanism by which dehydro-NADA is oxidatively activated to form reactive intermediate(s) as revealed by pulse radiolysis, electron spin resonance spectroscopy, high performance liquid chromatography, and ultraviolet-visible spectroscopic analysis.
(8) Exogenously added NADA quinone was readily converted by these enzyme preparations to N-acetylnorepinephrine and dehydro NADA.
(9) High-copy-number vectors, carrying either gene nadA, nadB or nadA + nadB, increased quinolinate production 1.5-fold, 2.0-fold and 15-fold respectively.
(10) After ecdysis NADA became the major hemolymph catecholamine in all species as DA decreased rapidly.
(11) The NADA desaturase system which converts NADA to 1,2-dehydro-NADA, surprisingly, does not resemble dehydrogenases such as succinate dehydrogenase.
(12) NADA-sulphate was quantified by an HPLC-ECD method while the decrease in 4-MU was monitored continuously by a fluorimetric procedure.
(13) These studies indicate that NADA quinone is an intermediate during the side chain hydroxylation of NADA by Manduca cuticular enzyme(s).
(14) The remaining nicotinamide mononucleotide accumulates extracellularly and will support the growth of nadA pncB mutants which cannot utilize the nicotinamide resulting from the major pathway of NAD degradation.
(15) In addition, the sulfate conjugate formed, namely N-acetyldopamine-sulfate (NADA-sulfate) was quantified directly by high-pressure liquid chromatography cum electrochemical detection (HPLC-ECD).
(16) Kinetic studies with NADA showed two pH optima of 6.7 and 8.6 for the overall sulphate conjugation and the PST reaction while the PAPS generation occurred maximally at pH 8.0.
(17) Reconstitution of NADA side chain desaturase activity was achieved by mixing the last enzyme fraction with NADA quinone isomerase, obtained from the hemolymph of the same organism, and mushroom tyrosinase.
(18) Evidence for the formation of an unstable intermediate in the synthesis of quinolinate from aspartate and dihydroxyacetone phosphate by Escherichia coli was obtained using toluenized cells of nadA and nadB mutants of this organism and partially purified A and B proteins in dialysis and membrane cone experiments.
(19) Media coverage was, not surprisingly, sparse – one interview for Melody Maker is vague to the point of rendering itself totally “nada”, while an Island press release is something of a bad joke.
(20) Confirmation of the operon arrangement for nadA and pnuC was obtained through the sequence analysis of a 2.4-kilobase DNA fragment which complemented both NadA and PnuC mutant phenotypes.
Nix
Definition:
(fem.) One of a class of water spirits, commonly described as of a mischievous disposition.
Example Sentences:
(1) Those sanctions will put them out of the picture for much of the summer, nixing their negotiating clout with each other and with the Klitschkos.
(2) Characteristic comparisons were made on various medical and dental X-ray films such as Agfa-Gevart, Dupont, Hanshin, Kodak, Konica, Nix, Sun Dental film.
(3) The fact that Mayer – not just a woman, but a young woman with a small child – has nixed the rights of her employees to take advantage of the arguably more child-friendly and independent option of working outside the office has disappointed many .
(4) We were consequently surprised when the meeting didn't materialise on his mid-April visit to London and suspected that ANC hardliners had nixed Mandela's plans."
(5) A judge recently voided a contract between Trump Entertainment and its 1,100 unionised employees at the casino, essentially nixing their healthcare and pension benefits.
(6) If you put the blame on Nix for giving Fitzpatrick that contract, you still can't say that Gailey got the best out of the whole offense.
(7) Health insurers to nix copays for birth control and preventive care services Read more The guidance, which was issued by the Department of Labor and the US Department of Health and Human Services in a Q&A, declared that health insurance companies must offer at least one option for each of the 18 birth control methods approved by the Food and Drug Administration.
(8) The RID comb was superior to the NIX comb for nit removal.
(9) At day 14, there was no statistically significant difference in the treatments (27 of 27 NIX-treated vs 29 of 31 RID-treated subjects were lice free).
(10) One of the four Dutch military attaches who sided with the Republican forces in the Second Anglo-Boer War, Lieutenant M.J. Nix, was severely wounded during the battle at Sannaspost on 31 March 1900.
(11) Comparing the data for the reaction XM(+) leads to X(-) + M(2+) in methanol at 25 degrees for several M(2+) we find that the equilibrium constants increase in the order CoX(+) less than MnX(+) and span only a factor of 5 while the rate constants increase in the order NiX(+) less than CoX(+) less than MnX(+) and span a factor of more than 100.
(12) An observational, epidemiological study was undertaken to evaluate the safety of permethrin 1% creme rinse (Nix) for treatment of head lice infestations.
(13) China's authorities are squeamish about contraception (a condom advertisement was nixed in 1999), the Falun Gong sect (several of whom hijacked a Chinese television station in 2002, and were charged with "using an evil cult to damage law enforcement"), and - especially - the 1989 massacre of unarmed democracy activists in Tiananmen Square (in 2000, three TV news editors were fired after broadcasting two seconds of footage of the slaughter).
(14) Permethrin 1% creme rinse (NIX) was tested as a treatment for Pediculus humanus var capitis (head lice) in a placebo-controlled, double-blinded, randomized study.
(15) Obama will have to follow up with other actions like nixing the Keystone XL pipeline.
(16) We treated 53 men with the diagnosis of PP with either 1% lindane (Kwell) shampoo for four minutes or 1% permethrin (Nix) creme rinse for ten minutes, according to random assignment.
(17) The uproar over the insensitivity of blowing up people's homes as a sporting celebration drew unprecedented attention to the issue of demolition, and nixed the plan; but Red Road will still get dynamited.
(18) Plans by supporters of marijuana legalisation for "smoke ins" in Vancouver were nixed by local health officials who said they fell afoul of cigarette smoking laws and a provision on the new regulations that only permit the use of marijuana in private.
(19) That’s an industrial-size hint you hate the agreement, and you intend to nix it.
(20) In a randomized controlled trial, 58 subjects were treated for Pediculus humanus var capitis with either pyrethrins combined with piperonyl butoxide (RID, Pfizer Inc, New York) or 1% permethrin (NIX, Burroughs Wellcome Co, Research Triangle Park, NC); 31 subjects received RID and 27 subjects received NIX.