(n.) A genus of American and Asiatic solanaceous herbs, with viscid foliage and funnel-shaped blossoms. Several species yield tobacco. See Tobacco.
Example Sentences:
(1) Severe fruit rot of guava due to Phytophthora nicotianae var.
(2) Two Nicotiana plumbaginifolia cDNA clones, NeIF-5A1 and NeIF-5A2, encoding eukaryotic translation initiation factor eIF-5A (formerly called eIF-4D) were cloned by heterologous screening with Dictyostelium and human eIF-5A probes.
(3) The CyMV CP gene was placed downstream of a cauliflower mosaic virus 35S promoter and the chimaeric gene was transferred into Nicotiana benthamiana.
(4) Thus, although the genes involved in self-incompatibility in Brassica and Nicotiana are not homologous in their coding regions, signals for expression of these genes are apparently conserved between the two genera.
(5) Oligonucleotide-directed mutagenesis was used to generate amber, ochre and opal suppressors from cloned Arabidopsis and Nicotiana tRNA(Tyr) genes.
(6) Experiments using different species of the plant Nicotiana and strains of the bacterium Agrobacterium tumefaciens showed that teratoma formation from crown galls was dependent on the combination of bacterial Ti plasmid and host plant used.
(7) We have analyzed the chromatin structure of the T-DNA isopentenyl transferase gene, ipt, in four Nicotiana tabacum crown gall tumor lines.
(8) The cucumber malate synthase (MS) gene, including 1856 bp of 5' non-transcribed sequence, has been transferred into Petunia (Mitchell) and Nicotiana plumbaginifolia plants using an Agrobacterium binary vector.
(9) Nicotine metabolism was studied in a number of wild species of the genus Nicotiana.
(10) The data are discussed in relation to the first division of the embryogenic vegetative cells in Nicotiana tabacum.
(11) The transposon Tam3 from Antirrhinum majus can transpose in a heterologous host (Nicotiana tabacum); thus the element is autonomous, probably encoding the specific information required for its own transposition.
(12) A translational fusion of AHA3 to the beta-glucuronidase (GUS) reporter gene was constructed and used to generate transgenic Nicotiana and Arabidopsis plants.
(13) The precursors of the F1-ATPase beta-subunits from Nicotiana plumbaginifolia and Neurospora crassa were imported into isolated spinach (Spinacia oleracea L.) leaf mitochondria.
(14) This DNA fragment was stably integrated into the genome of Nicotiana tabacum by Agrobacterium tumefaciens mediated gene transfer.
(15) Tobacco mosaic virus particles were found in small packets and in small numbers, with the electron microscope, in necrotic leaf cells of Nicotiana glutinosa when the samples were fixed in glutaraldehyde and postfixed in OsO(4), and the sections were stained with heavy metals.
(16) Rat S18 is identical to mouse S18 (also referred to as KE3) and is related to Escherichia coli S13 and to other S13-like ribosomal proteins from Bacillus subtilis, from Bacillus stearothermophilus, and from plant mitochondria (Nicotiana tabacum and Zea mays).
(17) To decipher the early events preceding the re-entry of somatic cells into the cell cycle, we constructed a cDNA library from 6-h-old protoplasts of Nicotiana sylvestris.
(18) Fetal movement, observed by ultrasound imaging, was significantly reduced (P less than or equal to 0.001) in pregnant goats gavaged with Conium seed and Nicotiana glauca and temporarily reduced with fresh Conium plant.
(19) The promoter of this gene was used to direct expression of the diphtheria toxin A chain gene and the Escherichia coli beta-glucuronidase gene in transgenic Nicotiana tabacum.
(20) The 31 kd ribonucleoprotein (cp31) from tobacco (Nicotiana sylvestris) chloroplasts is coded for by a single-copy nuclear gene.
Tobacco
Definition:
(n.) An American plant (Nicotiana Tabacum) of the Nightshade family, much used for smoking and chewing, and as snuff. As a medicine, it is narcotic, emetic, and cathartic. Tobacco has a strong, peculiar smell, and an acrid taste.
(n.) The leaves of the plant prepared for smoking, chewing, etc., by being dried, cured, and manufactured in various ways.
Example Sentences:
(1) The models are applied to estimate the demand for tobacco products in Finland.
(2) There was however no difference in the cross-sectional studies and no significant deleterious effect detected of tobacco use on forearm bone mineral content.
(3) They have actively intervened with governments, and particularly so in Africa.” José Luis Castro, president and chief executive officer of Vital Strategies, an organisation that promotes public health in developing countries, said: “The danger of tobacco is not an old story; it is the present.
(4) How big tobacco lost its final fight for hearts, lungs and minds Read more Shares in Imperial closed down 1% and British American Tobacco lost 0.75%, both underperforming the FTSE100’s 0.3% decline.
(5) The history of tobacco production and marketing is sketched, and the literature on chronic diseases related to smoking is summarized for the Pacific region.
(6) The mechanism by which such high levels were attained was primrily a combination of arterial hypoxia and a high carbon monoxide yield from tobacco.
(7) This structure could be constructed in intron 1 of tobacco rps12 gene.
(8) An important stratification factor, however, was related to tobacco usage.
(9) Chadwick felt that Customs and Trading Standards needed to continue their war on illegal tobacco – if not, efforts to tackle smoking could be undermined.
(10) These regions are also conserved in chloroplast DNA of tobacco.
(11) The policy was effective in reducing perceived environmental tobacco smoke exposure in work areas where smoking was banned but not in nonwork areas where smoking was allowed in designated areas.
(12) The group of tobacco smoking persons showed during rest, loads and in the restorative period more distinct disorders of cardio-vascular system values.
(13) Future increasing segments of females addicted to tobacco smoking will obviously markedly influence sex difference in morbidity.
(14) The Macassans traded iron, tobacco, cloth and gin for access to Yolngu waters.
(15) The present article reports a study of how such lifestyle habits, notably alcohol and tobacco consumption, are addressed in medical consultations.
(16) Cigarette smokers did not differ significantly from users of smokeless tobacco regarding hypercholesterolemia.
(17) However, most of these studies are difficult to interpret because they do not correctly take into account associated carcinogens such as tobacco smoke and other occupational carcinogens.
(18) The acute effects of smokeless tobacco (ST) on buccal mucosal transport and barrier function were studied by means of in vivo and in vitro techniques.
(19) The predilection of localization of epidermoid and small cell carcinomas in the upper lobes suggests a possible relationship to tobacco smoke inhalation as these regions have been shown to be more affected by the smoke.
(20) We have isolated an auxin-regulated cDNA, parB, from the early stage of cultured tobacco mesophyll protoplasts.