(n.) A impure earthy ore of iron or a ferruginous clay, usually red (hematite) or yellow (limonite), -- used as a pigment in making paints, etc. The name is also applied to clays of other colors.
(n.) A metallic oxide occurring in earthy form; as, tungstic ocher or tungstite.
(n.) See Ocher.
Example Sentences:
(1) Allelic complementation was not observed, despite testing of a large number of allele pairs, and alleles suppressible by the ochre suppressor SUP11 were absent from a sample of 48 spontaneous mutants and occurred infrequently (7%) among a sample of ultraviolet-induced mutants.
(2) Amber (UAG) and ochre (UAA) mutations are suppressed whereas UGA is not suppressed.
(3) Introduction of an ochre nonsense codon into the reading frame of the leader peptide sequence leads to considerable reduction of the basal expression and loss of inducibility of the cat gene.
(4) The first position of anticodon is 2'-O-methyluridine (Um), forming UmUA as the anticodon, which presumably recognizes the ochre termination codon UAA.
(5) Oligonucleotide-directed mutagenesis was used to generate amber, ochre and opal suppressors from cloned Arabidopsis and Nicotiana tRNA(Tyr) genes.
(6) The activities are present in yeast mutants which have greatly reduced levels of the three major vacuole-associated proteases (A, B and C) or which carry an ochre mutation in the major neutral protease (B).
(7) Mutants containing an ochre mutation in any essential yeast gene give rise to nonsectoring, white colonies, since cell growth is dependent on the presence of the plasmid-borne suppressor.
(8) Amber and ochre suppressor mutations in Salmonella typhimurium were selected.
(9) The nonsense mutants of S. pombe have been classified according to their suppressibility by defined opal and ochre suppressors into a class of efficiently suppressed opal and a class of inefficiency suppressed ochre mutants.
(10) Patterns of reversion produced by ciprofloxacin, enoxacin and ofloxacin in Salmonella typhimurium strains carrying the hisG428 ochre mutation have been studied.
(11) These replacements are consistent with a chain-terminating codon in am(17) of either the amber (UAG) or the ochre type (UAA), but are inconsistent with UGA.
(12) Allosuppressor (sal) mutations enhance the efficiency of the yeast ochre suppressor SUQ5 and define five unlinked loci, SAL1-SAL5.
(13) Using site-specific mutagenesis, we constructed five more efficient variants of tRNA(Glu)-Suoc, an extremely inefficient ochre suppressor.
(14) The opal suppressor form shows moderate suppressor activity when the gene is introduced on this vector, however, the ochre suppressor form exhibits no detectable biological activity regardless of gene copy number.
(15) 4-nitroquinoline-1-oxide (NQO) induces high frequencies of intragenic revertants of amber (UAG) but not ochre (UAA) mutants of yeast.
(16) Genetic recombination was assayed by measuring beta-galactosidase produced after recombination between two noncomplementing lacZ ochre alleles.
(17) The growth patterns of nonsense mutants of RNA (GA and f2) and DNA (lambda and T4) phages suggested that KO1 carried an amber, but not ochre or opal suppressors.
(18) Of 313 motility-deficient mutants isolated from an LT2 his(amber) strain fixed in phase 1 by gene vh2(-), 25 regained motility when amber or ochre suppressors were introduced, in F' factors or by transduction.
(19) The plasmid also increased frequency of UV-induced reversion to His+ in all tested his point mutants (wild type for UV sensitivity), including amber, ochre, UGA, missense, and frame-shift mutants.
(20) The results demonstrate that an ochre suppressor mutant of Escherichia coli K-12 produces abnormal 30S ribosomes.
Orange
Definition:
(n.) The fruit of a tree of the genus Citrus (C. Aurantium). It is usually round, and consists of pulpy carpels, commonly ten in number, inclosed in a leathery rind, which is easily separable, and is reddish yellow when ripe.
(n.) The tree that bears oranges; the orange tree.
(n.) The color of an orange; reddish yellow.
(a.) Of or pertaining to an orange; of the color of an orange; reddish yellow; as, an orange ribbon.
Example Sentences:
(1) DNA in situ is progressively denatured when the cells or nuclei are treated with increasing concentration of acridine orange (AO).
(2) The crystal structure of the biological stain, "acridine orange," has been determined.
(3) Vital staining of neuroblastoma cells with acridine orange produces a bright intracellular red-orange fluorescence most probably due to the occurrence of RNA.
(4) The cryptoxanthin esters varied from 5 to 10% of the total carotenoids in Valencia orange juice concentrates and from 10 to 15% of the total carotenoids in Navel orange juice concentrates.
(5) As a result, O2, Orange and Vodafone are expected to offer both pre-pay and contract deals.
(6) Biological monitoring was performed for one year at the site of an orange grove on the left bank of the river.
(7) A novel staining procedure for enumerating osteoclasts on neonatal mouse calvaria with the vital fluorescent dye acridine orange is described.
(8) A histidine-requiring derivative of strain AA0019 obtained after acridine orange treatment retained the cryptic plasmid DNA.
(9) Simultaneously with in vitro fertilization (IVF), the acridine orange (AO) test was performed on 51 patients according to the method of Tejada et al.
(10) Some of these transductants segregated certain F14 genes, indicating they were carried on self-replicating genetic elements, but others were not cured of F14 markers, even by acridine orange.
(11) As a result, more and more people are beginning to look towards Irish reunification as being a real possibility.” The overriding issue, however, in this most marginal constituency in Northern Ireland is the old binary, sectarian one: the zero-sum game of orange versus green.
(12) Because previous work has shown that radioisotope release from parasites may be nonspecific, separate experiments were performed to determine the cytotoxicity of LAK cells against antibody-coated trophozoites by using ethidium bromide-acridine orange staining to assess effector cell damage.
(13) Bloody odd combination but those Orange Foam Headphones would blast those magnificent records into my developing brain over and over again" chernypyos – Björk's Human Behavior and Sinead O'Connor's Fire On Babylon: "bjork's 'human behavior' and sinead o'connor's "fire on babylon" oddly stick in my head from that one evening walking in the woods, breathing the damp air, and feeling pleasantly invisible" Pyromancer – REM – Automatic for the People Blood Sugar Sex Magic Pearl Jam - Vs RATM's first album Portishead Maxinquaye by Tricky Manic Street Preachers – Gold Against the Soul Smashing Pumpkins, Siamese Dream "I used to go to the local library and take out a CD (50p for 3 weeks!
(14) The uteri of ten patients who wore a copper-T for several months up to two years were examined immediately following hysterectomy by conventional microscopic techniques, fluorescent optical techniques after Acridin-Orange-Fluorochromization and by histo-chemical techniques for copper.
(15) No color was developed with ninhydrin, but the reduced form was orange-red.
(16) Place the blackberries in a bowl and scatter over the caster sugar and orange zest.
(17) In 12 patients (25-76 years-old) gastric emptying was quantified by scintigraphy after ingestion of 300 ml Tc-99m-labelled orange juice; simultaneously, the region of the gastric antrum was measured in 5-minute intervals in the aortic longitudinal section.
(18) X-replication was studied after BUDR incroporation and acridine orange staining.
(19) Detailed case histories are presented to show the course of parasitaemia in several orang-utans.
(20) It involved preservation of unstained chromosome slides in a vacuum desiccator up to 18 months, Q-staining, destaining, and treatment in Hanks' solution, pH 5.1, at 85 degrees C for 13 min, and acridine orange staining.