(n.) Any small marine gastropod shell of the genus Littorina. The common European species (Littorina littorea), in Europe extensively used as food, has recently become naturalized abundantly on the American coast. See Littorina.
(n.) A trailing herb of the genus Vinca.
Example Sentences:
(1) Catharanthus roseus (periwinkle) produces a wide range of terpenoid indole alkaloids, including several pharmaceutically important compounds, from the intermediate strictosidine.
(2) Degrees I and II ptosis and atrophy of the female breast can definitively be corrected by the modified periwinkle shell operation.
(3) A breeding of this leafhopper was initiated, and we demonstrated that it was able to acquire S. citri from infected periwinkles, multiply the organisms in its body and transmit them to healthy plants.
(4) While their double-shelled relations (clams, mussels, oysters, scallops, etc) specialise in filtering water to remove food particles, and their single-shelled little cousins (periwinkles, whelks, limpets, conches) specialise in, well, adorning a seafood platter, cephalopods (octopus, cuttlefish and squid) specialise in a seriously impressive form of self-defence.
(5) 50% SW acclimated periwinkles show a general pattern of general stress response (decreasing MET and MDR, and increasing ND -Numerical Density of lysosomes- and lysosomal size).
(6) This hybridoma also gave a negative ELISA when tested against sieve tube preparations from periwinkles affected by citrus greening or Spiroplasma citri, but a positive ELISA when tested against phyllody-affected sieve-tube preparations.
(7) A new strain of wound tumor virus (WTV) has been isolated from a periwinkle plant (Catharanthus roseus) that was among several used as bait plants in a blueberry field.
(8) A substance which strongly precipitates human serum proteins is released into the environment by the southern periwinkle, Littorina angulifera.
(9) Reaction mixtures containing primer pair AY18pm yielded a DNA product of 1.6Kbp, when template consisted of DNA extracted from AY MLO- or DAY MLO-infected Catharanthus roseus (periwinkle).
(10) In the synchronous progression of the cell cycle induced by the addition of phosphate or auxin, the active accumulation of periwinkle PCNA mRNA was observed preferentially in the S phase.
(11) A DNA product of 1.0Kbp was obtained with primer pair AY19pm, when template consisted of DNA extracted from C. roseus infected by AY MLO, DAY MLO, or periwinkle little leaf (strain O-1) MLO.
(12) Periwinkle alkaloids in very low concentrations cause an intracytoplasmic sequestration of microtubule protein in the form of symmetrical, microtubular bodies.
(13) After fusion of the immunized spleen cells with myeloma cells, the supernatant fluids of the resulting hybridoma cultures were screened for the presence of antibodies in a differential avidin-biotin enzyme-linked immunosorbent assay (ELISA) using sieve tube preparations from either healthy or infected periwinkles as antigens.
(14) The carcass characteristics and nutritive value of the giant African land snails (A. achatina and A. marginata), the common garden snail (V. quadrata) and periwinkles (P. aurita and T. fuscatus) were assessed.
(15) Southern blot analysis, using plasmids from the severe strain of AY-MLO (SAY-MLO) as the probe, identified at least four plasmids in celery, aster, and periwinkle plants and in Macrosteles severini leafhopper vectors infected with either the dwarf AY-MLO, Tulelake AY-MLO, or SAY-MLO strain.
(16) These results indicate that the induction of mRNA for periwinkle PCNA occurred independently of the initiation of DNA replication, but that synthesis of certain proteins at the G1 phase was required for the induction of periwinkle PCNA mRNA at the S phase.
(17) Expression of mRNA for periwinkle PCNA was undetectable or very weak in quiescent cells, such as phosphate-starved cells, auxin-starved cells and cells in the stationary phase.
(18) Vincristine, other periwinkle alkaloids, and colchicine partially inhibit the energy dependent transport of alpha-aminoisobutyric acid in Ehrlich ascites tumor cells.
(19) Treatment for 28 days with preparations of burdock (Arctium lappa), cashew (Anacardium occidentale), dandelion (Taraxacum officinale), elder (Sambucus nigra), fenugreek (Trigonella foenum-graecum), guayusa (Ilex guayusa), hop (Humulus lupulus), nettle (Urtica dioica), cultivated mushroom (Agaricus bisporus), periwinkle (Catharanthus roseus), sage (Salvia officinale), and wild carrot (Daucus carrota) did not affect the parameters of glucose homeostasis examined in normal mice (basal plasma glucose and insulin, glucose tolerance, insulin-induced hypoglycaemia and glycated haemoglobin).
(20) DNA amplification by polymerase chain reactions (PCR) was employed to detect host plant infection by several mycoplasmalike organisms (MLOs), including the aster yellows (AY), dwarf aster yellows (DAY), and periwinkle little leaf (0-1) MLOs.
Purple
Definition:
(n.) A color formed by, or resembling that formed by, a combination of the primary colors red and blue.
(n.) Cloth dyed a purple color, or a garment of such color; especially, a purple robe, worn as an emblem of rank or authority; specifically, the purple rode or mantle worn by Roman emperors as the emblem of imperial dignity; as, to put on the imperial purple.
(n.) Hence: Imperial sovereignty; royal rank, dignity, or favor; loosely and colloquially, any exalted station; great wealth.
(n.) A cardinalate. See Cardinal.
(n.) Any species of large butterflies, usually marked with purple or blue, of the genus Basilarchia (formerly Limenitis) as, the banded purple (B. arthemis). See Illust. under Ursula.
(n.) Any shell of the genus Purpura.
(n.) See Purpura.
(n.) A disease of wheat. Same as Earcockle.
(a.) Exhibiting or possessing the color called purple, much esteemed for its richness and beauty; of a deep red, or red and blue color; as, a purple robe.
(a.) Imperial; regal; -- so called from the color having been an emblem of imperial authority.
(a.) Blood-red; bloody.
(v. t.) To make purple; to dye of purple or deep red color; as, hands purpled with blood.
Example Sentences:
(1) Also purple sulfur bacteria lowered BOD levels as demonstrated by the growth of T. floridana in sterilized sewage.
(2) Hagan’s defeat came as a shock and a heavy blow for the Democratic party in North Carolina, a purple state that now has no Democratic senator or governor for the first time in 30 years.
(3) The cases found positive by IHC showed brownish nuclei of the epithelium and those positive in ISH showed purple to purplish-black nuclei.
(4) From green (low) to purple (high) Putin ordered Alexander Litvinenko murder, inquiry into death told Read more Facebook Twitter Pinterest Metropolitan Police’s 3D graphic showing polonium contamination of the table and chair
(5) One lattice was trigonal, as in purple membrane, and showed a high-resolution electron diffraction pattern from glucose-sustained patches.
(6) The effect of o-phenanthroline suggests that it interacts directly with the primary electron acceptor of Photosystem II in a manner similar to that reported previously for the primary electron acceptor in purple photosynthetic bacteria.
(7) 262 (1987) 2895-2899], a hydroxyneurosporene methyltransferase, which is involved in carotenoid biosynthesis in the purple nonsulfur bacterium, Rhodobacter capsulatus [Armstrong et al., Mol.
(8) A difference density map obtained from data on purple membrane films at 15% relative humidity in 2H2O, and the same sample after complete drying in vacuum, revealed that about eight of these protons belong to four water molecules.
(9) Two reagents, starch-iodine complex (SIC) and a mixed pH indicator, containing bromocresol purple and BTB (2:1) used earlier for the PNC-based ELISA, were compared with BTB for utilization in the PNC-based ELISA.
(10) Approximately 30% of the C. neoformans strains produced large amounts of the pink (purple after 6 days) pigment in the absence of light whereas 70% of the Cryptococcus neoformans strains, as well as C. laurentii, C. albidus, C. diffluens, and C. albicans also produced the pink pigment with light being required for significant early production (2--6 days).
(11) Southampton are in their not-particularly-popular all-red number, while Liverpool sport their not-particularly-popular purple-white-and-black quilted shirt.
(12) These graphics were colour-coded green, yellow, red and purple; purple represented the highest level of contamination, showing levels of 10,000 radiation counts per second and above.
(13) The kinetics of purple membrane dark adaptation were studied at pH 5 and 7, in the presence and absence of the nonionic detergent Triton X-100.
(14) We have tested the ligands bromcresol purple and picrate and used ligand-ion selective electrodes to monitor free ligand concentration in a homogeneous solution.
(15) Facebook Twitter Pinterest Prince celebrating his birthday and the release of Purple Rain in Minneapolis in 1984.
(16) On exposure of this material to the radiation from a medium-pressure mercury lamp, the fluorescence gradually disappeared, and a red-purple product was formed.
(17) In contrast, the thickness of the purple membrane of Halobacterium halobium with its densely packed less-corrugated structure exhibits very little variation in thickness in coated preparations and the values obtained are in good agreement with x-ray data.
(18) Attending the Asia Pacific Economic Cooperation forum in Beijing this week, Barack Obama wore, along with other participants, a bright purple silky Chinese-style shirt .
(19) Modification of more than 3-4 tyrosine residues per bacteriorhodopsin monomer caused a decrease in the light-induced proton-pumping ability of purple membrane in synthetic lipid vesicles, loss of the sharp X-ray-diffraction patterns characteristic of the crystal lattice, loss of the absorbance maximum at 560 nm, and change in the buoyant density of the membrane.
(20) We found that bromocresol purple is not a specific reagent for albumin, but that serum proteins in the alpha-, beta-, and gamma-globulin fractions also react with this dye.