(n.) The outermost skin or pellicle of a plant, found especially in leaves and young stems.
(n.) A thin skin formed on the surface of a liquid.
Example Sentences:
(1) Moreover, the mucoid substances of the sensillum lymph are probably involved in water conservation, since sensilla are prone to water loss, because the overlying cuticle must be permeable to the chemical stimuli.
(2) All the canals open independently at the surface of the cuticle and the substance deposited there is a mixture of proteins and acid mucosubstances.
(3) The second gene lies within an intron of the purine gene and encodes a cuticle protein.
(4) In vitro the epidermis synthesized and secreted both forms into both the cuticle and the medium.
(5) The morphology of the adult female cuticle is discussed.
(6) In all these cuticles the tubular filaments arise from the plasma membrane of the epidermal cells and they contain argentaffin material, regarded as sclerotin precursors, and lipid-staining material, regarded as wax precursors.
(7) Between the cuticle and dermal collagen there are granular deposits which might be immune complexes involving the collagenous component of cuticle.
(8) Eisenia epidermis does not recordably synthesize the cuticle until after wounding (first eight segments removed).
(9) Cuticle morphology identifies two types of sensilla trichodea, two types of sensilla basiconica and one type of sensillum coeloconicum.
(10) At the culmination of each molt, the larval tobacco hornworm exhibits a pre-ecdysis behavior prior to shedding its old cuticle at ecdysis.
(11) A homozygous mutant escaper had weak, completely unpigmented cuticle and unpigmented bristles.
(12) On dark-adaptation of the 11-day adult eye, the rhabdomers move towards the cuticle.
(13) Once the fungus enters the hair cortex just above the hair bulb, it produces myriads of spores that remain trapped and hidden beneath the cuticle for the length of the intact hair.
(14) Thus, during larval growth the cuticle remains flexible and extensible.
(15) C3 conversion products were detected on larval cuticles by eosinophil adherence and by immunofluorescence with C3c antiserum.
(16) Both genes encode 5.5-kilobase mRNAs, similar in size to the mammalian and Drosophila type IV collagen gene transcripts but much larger than the cuticle collagen transcripts of C. elegans.
(17) The facilitation of eclosion by adult colony members appears to be an obligatory process in the development of this species; pupae denied the aid of adult workers during eclosion are unable to remove the pupal cuticle and rapidly succumb.
(18) The antibodies, which were produced in the course of T. spiralis infection in rats, specifically bound to the inner layers of the body cuticle and the cuticle of the hindgut, but not to the cuticle of the esophagus.
(19) Autonomous expression of Met was found both in abdominal cuticle as well as in external male genitalia.
(20) However, late larval worms that expressed the adult cuticle did not express blisters either.
Cutin
Definition:
(n.) The substance which, added to the material of a cell wall, makes it waterproof, as in cork.
Example Sentences:
(1) Using tritiated apple cutin as substrate, the two cutinases showed similar substrate concentration dependence, protein concentration dependence, time course profiles, and pH dependence profiles with optimum near 10.0.
(2) Using unlabeled cutin, the rate of dihydroxyhexadecanoic acid release from apple fruit cutin by cutinase I was determined to be 4.4 mumol per min per mg.
(3) 7) capable of degrading cutin, the insoluble lipid-polyester matrix covering the surface of plants, and hydrolysing triglycerides.
(4) Both mRNA and protein were inducible by cutin hydrolysate, while hypovirulence agents suppressed the level of mRNA and the enzyme.
(5) Transformants with a disrupted CUT1 gene failed to produce a cutin-inducible esterase that is normally detected by activity staining on non-denaturing polyacrylamide gels.
(6) The seed coat of almond (Prunus amygdalus Batsch) contains up to 30% procyanidins with different degrees of polymerisation and, in addition, fatty oils, lignin, polysaccharides and cutin.
(7) omega-Hydroxy fatty acids were more effective in inducing cutinase than any of the other more polar acids of cutin.
(8) A radial immunodiffusion assay for cutinase was developed, and the induction of cutinase by cutin hydrolysate was confirmed by this direct assay.
(9) Thus, the high resistance of plant cuticles to transport of 2,4-D can be attributed to both low diffusion and partition coefficients in the transport-limiting layer made up of cutin and soluble lipids which are densely packed and highly ordered.
(10) Induction of cutinase by cutin or hydrolyzed cutin after growth on glucose medium was similarly reduced.
(11) The mutant possessed an 80 to 90% reduction in cutinase activity when grown for 3 to 5 days on acetate- or cutin-containing medium.
(12) Thin-layer chromatographic analysis of the products released from labeled apple fruit cutin showed that the extracellular enzyme released all classes of cutin monomers.
(13) However, unlike the previously studied fungal systems, cutin hydrolysate did not induce cutinase.
(14) From a physiological point of view, peroxygenase and this newly described epoxide hydrolase could be responsible, in vivo, for the biosynthesis of a class of oxygenated fatty acid compounds known to be involved in cutin monomers production and in plant defense mechanisms.
(15) Hygromycin-resistant transformants of F. solani pisi generated by electroporation were assayed for CAT activity inducible by cutin hydrolysate and for glucose repression of this induction.
(16) These results suggest that cutin monomer causes phosphorylation of a transcription factor that binds to the -225 to -360 segment of the cutinase gene and enhances transcription of this gene.
(17) Non-denaturing polyacrylamide gels stained for esterase activity show a single major band among intracellular and extracellular proteins from cutin-grown cultures that is not present among intracellular and extracellular proteins prepared from glucose-grown or carbon-starved cultures.
(18) The gene is expressed when cutin is the sole carbon source but not when the carbon source is cutin and glucose together or glucose alone.
(19) This demonstrates that permeance is determined by the soluble cuticular lipids associated with the cutin, rather than by cutin alone.
(20) The properties of the homogeneous cutinase I, cutinase II, and the nonspecific esterase isolated from the extracellular fluid of cutin-grown Fusarium solani F. pisi (R.E.