(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.
Raddle
Definition:
(n.) A long, flexible stick, rod, or branch, which is interwoven with others, between upright posts or stakes, in making a kind of hedge or fence.
(n.) A hedge or fence made with raddles; -- called also raddle hedge.
(n.) An instrument consisting of a wooden bar, with a row of upright pegs set in it, used by domestic weavers to keep the warp of a proper width, and prevent tangling when it is wound upon the beam of the loom.
(v. t.) To interweave or twist together.
(n.) A red pigment used in marking sheep, and in some mechanical processes; ruddle.
(v. t.) To mark or paint with, or as with, raddle.
Example Sentences:
(1) Raddled and old, a self-possessed, semi-naked fool in ridiculous shoes, Lucian Freud painted himself old and mad, looming in that awful room in west London where he spent day after day, decade after decade, scrutinising the horrible walls, the thin light as it fell on his subjects, those piles of soiled rags that he used to wipe off his canvases and clean his brushes.
(2) It’s completely riddled and raddled with basic problems of economic logic.” Facebook Twitter Pinterest Professor Patrick Minford.
(3) In the end it’s her film – and Dunbar’s drink-raddled, tragic life can be gifted by Barnard, becoming ours.
(4) Yeah”), but whereas everyone else on both sides is looking more raddled by the day, the 65-year-old boss of Britain’s biggest union is a picture of relaxed health.
(5) Two intact raddled rams were introduced to the combined groups on August 21.
(6) They’re selected for looking photogenically raddled – their age, essentially – and then coaxed into various postures of dejection, presumably by a photographer shouting, “What have you got to look forward to, your upcoming appointment at the colorectal clinic?
(7) Nicole Kidman's turn in The Paperboy, which saw her almost unrecognisable as the raddled jailhouse fiancée of a death-row inmate, has arrived from nowhere for a best supporting actress nomination.