(1) Successful freeze-etching of a coenocyte has been accomplished with glutaraldehyde stabilization followed by infiltration with cryoprotectant.
(2) Hyphae of the coenocytic water mold Achlya were stabilized with 5% glutaraldehyde in phosphate buffer.
(3) In the presence of oxygen, they propagate as branching coenocytic hyphae.
(4) Our demonstration that RNA and DNA metabolism is aberrant in cleavage-arrested embryos requires reevaluation of previous experiments on transcriptional activation that utilized such coenocytic embryos.
(5) We have isolated and characterized by restriction endonuclease mapping, transcription pattern, and DNA sequencing a beta-tubulin gene from the coenocytic freshwater protoctist, Achlya klebsiana.
(6) In cleavage-arrested (coenocytic) embryos, the reduced level of DNA at MBT results both in a decrease in snRNA and tRNA synthesis (reflecting the lower gene dosage) and in a prolonged synthesis of large amounts of unusual RNA polymerase III transcripts, OAX RNAs.
(7) The large coenocytes of the alga were plasmolysed and the wall separated by cutting it away.
(8) Bidirectional organelle movements taking place in the cytoplasm of the rhizomes of Caulerpa, a coenocytic marine green alga, have been indicated to be dependent on microtubules (Kuroda, K. & Manabe, E. (1983) Proc.
(9) Since the inherited population of parental mtDNA molecules are not partitioned into cells in this coenocytic organism, no known mechanism of inheritance can explain the rapid and apparently random loss of one parental mtDNA type in individuals.
(10) Cells of Nocardia corallina ATCC 4273 form multiply branched coenocytic mycelia and subsequent fragment to spherical cells when grown on solidified complex media.
(11) The life cycle of Achlya involves germination of spores to form coenocytic somatic hyphae, followed by differentiation of hyphal tips into sporangia.
Nuclei
Definition:
(pl. ) of Nucleus
Example Sentences:
(1) These studies led to the following conclusions: (a) all the prominent NHP which remain bound to DNA are also present in somewhat similar proportions in the saline-EDTA, Tris, and 0.35 M NaCl washes of nuclei; (b) a protein comigrating with actin is prominent in the first saline-EDTA wash of nuclei, but present as only a minor band in the subsequent washes and on washed chromatin; (c) the presence of nuclear matrix proteins in all the nuclear washes and cytosol indicates that these proteins are distributed throughout the cell; (d) a histone-binding protein (J2) analogous to the HMG1 protein of K. V. Shooter, G.H.
(2) The fine structure of neurofibrillary tangles in the hippocampal gyrus, substantia nigra, pontine nuclei and locus coeruleus of the brain was postmortem studied in a case of progressive supranuclear palsy.
(3) Two small populations of GLY + neurons were observed outside of the named nuclei of the SOC; one was located dorsal to the LSO, near its dorsal hilus, and the other was identified near the medial pole of the LSO.
(4) A topographic relationship was recognized between the MM and the anterior thalamic nuclei.
(5) Diplotene spermatocytes have the largest nuclei of all germ cells.
(6) The DNA untwisting enzyme has been purified approximately 300-fold from rat liver nuclei.
(7) DNA in situ is progressively denatured when the cells or nuclei are treated with increasing concentration of acridine orange (AO).
(8) The deep cerebellar nuclei were moderately labeled at birth and gradually decreased in density thereafter.
(9) Mitoses of nuclei of myocytes of the left ventricle of the heart observed in two elderly people who had died of extensive relapsing infarction are described.
(10) The ability of cytoplasmic extracts to induce DNA synthesis in isolated, quiescent nuclei.
(11) In high concentrations of antiserum, some of the agglutinated cells of L. h. hertigi were enlarged and showed syncytial characters that included up to five nuclei, two dividing nuclei and five basal bodies associated with a single kinetoplast.
(12) The responses of adrenocorticotropin (ACTH), renin, epinephrine and norepinephrine and arterial pressure and heart rate (HR) to hypotensive hemorrhage were examined before and 1 h after lesion of the paraventricular nuclei (PVN) in pentobarbital-anesthetized rats and 1 day before and 4 days after lesion of the PVN in conscious rats.
(13) The anatomic and functional development of the suprachiasmatic nuclei (SCN) was studied in the gray short-tailed opossum, Monodelphis domestica.
(14) The rate of nuclei stained by Pr-122 is different from that of Pr-192 in both growing and quiescent cultures.
(15) Using a monoclonal antibody against dopamine and a rabbit antiserum against serotonin, 5-methoxytryptamine or tryptamine, we were able to achieve the simultaneous localization of two amines in glutaraldehyde-fixed sections of rat dorsal raphe nuclei.
(16) The results obtained further knowledge of the anatomy of the nuclei, specifically the areas used for the prosthesis implantation and the underlying tissue.
(17) The phosphorylation pattern was affected by the addition of cholera toxin or GDP beta S to the isolated nuclei.
(18) While the heaviest anterogradely labeled ascending projections were observed to the contralateral ventral posterolateral nucleus of the thalamus, pars oralis (VPLo), efferent projections were also observed to the contralateral ventrolateral thalamic nucleus (VLc) and central lateral (CL) nucleus of the thalamic intralaminar complex, magnocellular (and to a lesser extent parvicellular) red nucleus, nucleus of Darkschewitsch, zona incerta, nucleus of the posterior commissure, lateral intermediate layer and deep layer of the superior colliculus, dorsolateral periaqueductal gray, contralateral nucleus reticularis tegmenti pontis and basilar pontine nuclei (especially dorsal and peduncular), and dorsal (DAO) and medial (MAO) accessory olivary nuclei, ipsilateral lateral (external) cuneate nucleus (LCN) and lateral reticular nucleus (LRN), and to a lesser extent the caudal medial vestibular nucleus (MVN) and caudal nucleus prepositus hypoglossi (NPH), and dorsal medullary raphe.
(19) No HRP-labeled axons were found in the facial and solitary nuclei and the cerebellum.
(20) The reaction of cis-diamminedichloroplatinum(II) with chicken erythrocyte nuclei produces covalent cross-linking of HMG proteins 1, 2 and E to DNA, in addition to cross-links amongst LMG proteins.