helianthus/nicotine

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The catalytic properties of hybrid Rubisco comprising tobacco small and sunflower large subunits mirror the kinetically equivalent source Rubiscos and can support tobacco growth.

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Plastomic replacement of the tobacco (Nicotiana tabacum) Rubisco large subunit gene (rbcL) with that from sunflower (Helianthus annuus; rbcL(S)) produced tobacco(Rst) transformants that produced a hybrid Rubisco consisting of sunflower large and tobacco small subunits (L(s)S(t)). The tobacco(Rst)

Effects of cadmium amendments on low-molecular-weight organic acid exudates in rhizosphere soils of tobacco and sunflower.

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To recognize physiological response of plants to cadmium (Cd) toxicity in rhizosphere of plants, the pot experiments were employed to investigate how low-molecular-weight organic acids (LMWOAs) were exudated from tobacco and sunflower roots of Cd-amended soils. The aims of this study were to assess

Developmentally regulated expression of a sunflower 11S seed protein gene in transgenic tobacco.

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Helianthinin is the major 11S seed storage protein of sunflower (Helianthus annuus). Like most seed proteins, helianthinin is encoded by a small gene family; two members of this gene family, HaG3-A and HaG3-D, have been isolated and characterized. Tobacco was transformed with a 6 kb fragment of

SF21 is a Protein which Exhibits a Dual Nuclear and Cytoplasmic Localization in Developing Pistils of Sunflower and Tobacco.

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SF21 was originally described as a pollen- and pistil-expressed protein from sunflower and tobacco. In pistils excised from these species, transcripts were detected in the stigma and in the transmitting tissue where they accumulated in an ovary-oriented increasing concentration gradient. We studied

Map locations of five transcripts homologous to TR-DNA in tobacco and sunflower crown gall tumors.

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Polyadenylated RNA from two octopine type tumor lines (E1, PSCG-15955) was analyzed by RNA blot hybridization and shown to contain five major transcripts homologous to TR DNA. In tobacco E1 tissue, the molecular weights of the TR homologous RNAs are 1.65 kb, 1.55 kb, 1.45 kb, 1.05 kb, and 0.78 kb.

Serological and coat protein sequence studies suggest that necrosis disease on sunflower in India is caused by a strain of Tobacco streak ilarvirus.

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Serological and coat protein sequence studies were conducted to identify an ilarvirus associated with necrosis disease on sunflower in India. In electroblot immunoassay, sunflower ilarvirus reacted strongly only with antiserum to Tobacco streak virus (TSV). The coat protein gene of sunflower

Long-term phytomanagement with compost and a sunflower - Tobacco rotation influences the structural microbial diversity of a Cu-contaminated soil.

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At a former wood preservation site contaminated with Cu, various phytomanagement options have been assessed in the last decade through physicochemical, ecotoxicological and biological assays. In a field trial at this site, phytomanagement with a crop rotation based on tobacco and sunflower, combined

Aided phytoextraction of Cu, Pb, Zn, and As in copper-contaminated soils with tobacco and sunflower in crop rotation: Mobility and phytoavailability assessment.

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Copper-contaminated soils were managed with aided phytoextraction in 31 field plots at a former wood preservation site, using a single incorporation of compost (OM) and dolomitic limestone (DL) followed by a crop rotation with tobacco and sunflower. Six amended plots, with increasing total soil Cu,

A fructan: the fructan 1-fructosyl-transferase gene from Helianthus tuberosus increased the PEG-simulated drought stress tolerance of tobacco.

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Jerusalem artichoke (Helianthus tuberosus) is a fructan-accumulating plant, and an industrial source of raw material for fructan production, but the crucial enzymes involved in fructan biosynthesis remain poorly understood in this plant.In this study, a

Co-Ordination of Cell Division and Tissue Expansion in Sunflower, Tobacco, and Pea Leaves: Dependence or Independence of Both Processes?

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Temporal analyses of cell division and tissue expansion in pea, tobacco, and sunflower leaves reveal that both processes follow similar patterns during leaf development. Relative cell division and relative tissue expansion rates are maximal and constant during early leaf development, but they

Transformation of tobacco with genes encoding Helianthus tuberosus agglutinin (HTA) confers resistance to peach-potato aphid (Myzus persicae).

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The effects of the hta gene encoding Helianthus tuberosus agglutinin (HTA) on an insect in the order Homoptera were investigated. Homologous cDNAs of hta-a, hta-b, hta-c and hta-d with CaMV35S as promoter were introduced into tobacco via Agrobacterium tumefaciens. Southern blot results showed that

Effect of a mutagenized acyl-ACP thioesterase FATA allele from sunflower with improved activity in tobacco leaves and Arabidopsis seeds.

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The substrate specificity of the acyl-acyl carrier protein (ACP) thioesterases significantly determines the type of fatty acids that are exported from plastids. Thus, designing acyl-ACP thioesterases with different substrate specificities or kinetic properties would be of interest for plant lipid

Ectopic Expression of the Homeotic MADS-Box Gene HAM31 (Helianthus annuus L.) in Transgenic Plants Nicotiana tabacum L. Affects the Gynoecium Identity.

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The structure of the MADS-box gene HAM31 of the sunflower (Helianthus annuus) was characterized. It is shown that the product of this gene is an ortholog of the B-class MADS transcription factor PISTILLATA (Arabidopsis thaliana). Two types of transgenic tobacco plants (Nicotiana tabacum) with the

Phytoaccumulation of lead by sunflower (Helianthus annuus), tobacco (Nicotiana tabacum), and vetiver (Vetiveria zizanioides).

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The ability of three plant species: Helianthus annuus, Nicotiana tabacum, and Vetiveria zizanioides for phytoaccumulation of Pb was studied. Plants were grown in hydroponic solution containing Pb(NO3)2 at concentration of 0.25 and 2.5 mM Pb in the presence or absence of chelating agents (EDTA or

Antisense expression of a NBS-LRR sequence in sunflower (Helianthus annuus L.) and tobacco (Nicotiana tabacum L.): evidence for a dual role in plant development and fungal resistance.

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A partial sunflower cDNA clone, PLFOR48, segregating with a resistance marker to Plasmopara halstedii, the causal agent of downy mildew, has been cloned from the mildew resistant sunflower line, RHA 266. PLFOR48 encodes a putative protein with a nucleotide-binding site and a leucine-rich repeat

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