(n.) A thread or threadlike object or appendage; a fiber; esp. (Bot.), the threadlike part of the stamen supporting the anther.
Example Sentences:
(1) Conditions consistent with a buildup of reduced flavoprotein, however, favored filament formation.
(2) Suspensions of isolated insect flight muscle thick filaments were embedded in layers of vitreous ice and visualized in the electron microscope under liquid nitrogen conditions.
(3) Ordering of these filaments into a parallel array is the basis of birefringence in the A region, and loss of birefringence is therefore a measure of decreased order.
(4) Structural studies indicate that caveolae are decorated on their cytoplasmic surface by a unique array of filaments or strands that form striated coatings.
(5) Accumulations of filaments in the axons and in the perineural cells were accompanied by Rosenthal fibres.
(6) Electron microscopic examination of all leptomeningeal and meningioma cultures revealed desmosomes and dense tonofilament formation; in addition, granular, filamentous basement membrane-like material was abundant in the extracellular spaces of all cultures.
(7) A new method of staining the keratin filament matrix allowing a visualization of the filaments in cross section of hair fibres has been developed.
(8) These force-generators are identified with projections (cross-bridges) on the thick filament, each consisting of part of a myosin molecule.
(9) In smooth muscles there is no organized sarcomere structure wherein the relative movement of myosin filaments and actin filaments has been documented during contraction.
(10) The results indicate that synthesis of lamellar bodies depends on an intact microtubular system, whereas secretion requires actin filaments in a functional state.
(11) The latter reaction is linked to a conformation change of the actin subunit that causes a destabilization of the actin-actin interactions in the filament, i.e., a structural change of the filament.
(12) In the capsule of the fibrocartilage cells, parallel orientated filaments exhibit a periodical arrangement.
(13) The images of 56 tubular myosin filaments of the fleshfly and 62 filaments of the housefly were digitized and computer processed by rotational averaging.
(14) It does not appear to react with the anti-IFA antibody, suggesting that it is not a member of the intermediate filament class of proteins.
(15) This suggests that cytokeratin 14 acts as an indiscriminate type I cytokeratin in filament formation in the established cell lines.
(16) Gene II protein is required for all phases of filamentous phage DNA synthesis other than the conversion of the infecting single strand to the parental double-stranded molecule.
(17) This supports the view that the pH is of no major importance for filamentation in vivo.
(18) Ultrastructural examination of a tumor with a typical cribriform pattern showed spaces of two types; the more frequent type was bounded by cells with straight plasma membranes and contained filamentous and basement-membrane-like material, and the less frequent type was surrounded by cells with numerous microvilli and contained nonfilamentous homogeneous material.
(19) The bright lines in the difference image represent the paths along which the filaments have moved and are measured using a crosshair cursor controlled by the mouse.
(20) Astrocytes showed a transitional swelling, later followed by an accumulation of glycogen and filaments.
Strand
Definition:
(n.) One of the twists, or strings, as of fibers, wires, etc., of which a rope is composed.
(v. t.) To break a strand of (a rope).
(n.) The shore, especially the beach of a sea, ocean, or large lake; rarely, the margin of a navigable river.
(v. t.) To drive on a strand; hence, to run aground; as, to strand a ship.
(v. i.) To drift, or be driven, on shore to run aground; as, the ship stranded at high water.
Example Sentences:
(1) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
(2) Theoretical computations are performed of the intercalative binding of the neocarzinostatin chromophore (NCS) with the double-stranded oligonucleotides d(CGCG)2, d(GCGC)2, d(TATA)2 and d(ATAT)2.
(3) Single stranded DNA and RNA are hydrolyzed by the spinach endonuclease.
(4) The M 13 specific DNA present in minicells isolated several hours after infection consists of single stranded viral DNA and double stranded replicative forms in nearly equal amounts.
(5) Each L subunit contains 127 residues arranged into 10 beta-strands connected by turns.
(6) Globin cDNA was used as the template for the synthesis of a complementary strand (ccDNA) by avian myeloblastosis virus DNA polymerase.
(7) Both strong-stop DNAs are made early during in vitro reactions and decline in concentration later, consistent with postulated roles as initiators of long minus- and plus-strand DNA.
(8) Neutral sucrose density sedimentation patterns indicate that neutron-induced double strand-breaks sometimes occur in clusters of more than 100 in the same phage and that the effeciency with which double strand-breaks form is about 50 times that of gamma-induced double strand-breaks.
(9) Equilibrium and kinetic studies of the interaction of gene 32 protein of T4 phage with single-stranded fd DNA were performed monitoring the changes in protein fluorescence.
(10) Single-stranded circles did not form if a limited number of nucleotides were removed from the 3' ends of native molecules by Escherichia coli exonuclease III digestion prior to denaturation and annealing.
(11) Structural studies indicate that caveolae are decorated on their cytoplasmic surface by a unique array of filaments or strands that form striated coatings.
(12) An average size chromomere of the polytene X chromosome of Drosophila melanogaster contains enough DNA in each haploid equivalent strand to code for 30 genes, each 1,000 nucleotides long.
(13) Preparations of the 72 kDa, purified by immunoprecipitation or by single-stranded DNA-cellulose column chromatography and incubated with [gamma-32P]ATP, were found to contain protein kinase activity.
(14) Longer times of radiolabeling demonstrated that the nascent RNA accumulated as 42S RNA, which was primarily of the same sense as the virion strand when it was radiolabeled at 5 h postinfection.
(15) In vivo, ribosomal RNA of Saccharomyces cerevisiae is transcribed from the light strand of gamma DNA.
(16) It is conceivable that DNA replication of RSF1010 does not need the priming mechanism for lagging strand synthesis and proceeds by the strand displacement mechanism.
(17) These experiments represent the first occasion that the sequence specificity of a DNA damaging agent, which causes only double-strand breaks, has been determined to the exact base-pair in intact cells.
(18) Crandell feline kidney cells in which the ADV-G strain of ADV was permissively replicating contained virion and non-structural proteins, large amounts of single stranded virion DNA, duplex replicative form (RF) DNA, and mRNA.
(19) Oligodeoxynucleotides related to the non-transcribed DNA strands can effectively inhibit the RNA synthesis catalyzed by E. coli RNA polymerase.
(20) The Cauliflower Mosaic Virus (CaMV) genome is a double-stranded DNA molecule of about 5 million daltons.