(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.
Nana
Definition:
Example Sentences:
(1) Supplementation of neuraminidase-treated Lp(a) with N-acetylneuraminic acid (NANA) at concentrations comparable to the naturally occurring amounts of NANA in the Lp(a) protein moiety led to an increase of the lag-phase yielding values which were comparable to those observed with native Lp(a).
(2) My grandfather was a coal miner and Nana was rather plump and bossy.
(3) Further investigation is needed to establish its role in the treatment of taeniasis, Hymenolepsis nana, Strongyloidiasis, Trichinosis, and Dipetalonema perstans.
(4) Hymenolepis nana (von Siebold, 1852), the dwarf tapeworm causing hymenolepiasis, has been reported to be the common intestinal cestode of rodents and man throughout the world.
(5) The quinolinehydrazones of the 1-phenyl-2,5-dimethyl-3-pyrrolcarboxaldehyde were tested in vivo against Hymenolepis nana and Taenia taeniaeformis and proved inactive.
(6) In addition to the known human pathogenic helminths H. nana and H. diminuta, localized foci of hookworms (Ancylostoma spp.)
(7) The anthelmintic effects of anti-tapeworm drugs, bithionol, paromomycin sulphate, flubendazole and mebendazole on immature and mature Hymenolepis nana in mice were compared.
(8) The only recent reports of cestode studies in these countries have been on reports of new species in animals and on prevalence rates of cestode parasites in humans; Taenia solium and cysticercosis, Taenia saginata and Hymenolepis nana, etc.
(9) values were obtained with stool samples from Taenia patients compared to Hymenolepis nana-infected or uninfected individuals.
(10) One hundred and seven 4-quinolinehydrazones were synthesized and tested in vivo against the tapeworm Hymenolepis nana.
(11) The parasites and infection rates found in the present study from 417 individuals by means of direct smear and formalin-ether sedimentation technic of stool specimens are as follows: Ascaris lumbricoides (81.3%), hookworm (30.9%), Trichuris trichiura (73.6%), Strongyloides stercoralis (0.5%), Clonorchis sinensis (2.9%), Hymenolepis diminuta (0.7%), Taenia solium (0.2%), Taenia saginata (0.2%), Entamoeba histolytica (3.1%), Entamoeba coli (8.4%), Endolimax nana (2.6%), and Giardia lamblia (4.3%).
(12) The main biochemical finding was the detection of a substantial urinary increase of a unique resorcinol-positive compound, which by thin-layer chromatography was identified as N-acetylneuraminic acid (NANA-Free) and when quantified by the thiobarbituric acid method previously passed through a gel filtration column (Sephadex G-15) or through ion exchange resins, showed a NANA-Free concentration about 15 times higher than in controls of similar age (Table 2).
(13) When the oncosphere of H. nana undergoes differentiation and development into the mature tapeworm, the infected mouse first produces anti-oncosphere antibody, followed by anti-cysticercoid, anti-adult scolex and finally anti-strobila (other than scolex region) antibodies of IgG, IgM and IgA isotypes as detected by indirect immunofluorescent antibody test.
(14) The CSF free NANA can even be a prognostic criterion in management of pyogenic meningitis.
(15) During the first 2 months of lactation, milk from women delivering at term cannot be distinguished from that of women delivering significantly before term (less than 32 wks gestation) with regard to oligosaccharide and glycoprotein NANA.
(16) Non-pathologic protozoa, mainly Endolimax nana and Entamoeba coli, presented the largest incidence.
(17) The cytological structure of the tegument of H. nana corresponds in general to that of other tapeworms.
(18) 18.4%, Enterobius vermicularis 1.6%, and there was one case each of hookworm, Hymenolepis nana and H. diminuta infections.
(19) The kinetics of the lymphoblast response in mice during the course of a primary infection with Hymenolepis nana was measured by the in vivo uptake of 125IUdR.
(20) The finding that free (3H)-NANA was markedly increased relative to its major products (3H)-HexNAc is suggestive for an impaired degradation and reutilization of (3H)-NANA due to trapping in a metabolically unaccessible pool.