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papaver somniferum/nicotina
L'enllaç es desa al porta-retalls
Pàgina 1 des de 18 resultats
Rice salT promoter is activated in Papaver somniferum and Nicotiana tabacum transgenic cells in the absence of exogenous ABA.
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With the aim of modifying secondary metabolism in Opium poppy (Papaver somniferum) and tobacco (Nicotiana tabacum) cells, gene transfer was performed using the sam1 gene from Arabidopsis thaliana under the control of the salT promoter. This promoter is induced by ABA in rice and in tobacco and we
[Construction and tobacco transformation of COR and BBE genes hairpin RNA vector of Papaver somniferum].
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The gene expressions of codeinone reductase (COR) and berberine bridge enzyme (BBE) in Papaver somniferum were blocked by RNA hairpin of RNA interference (RNAi). The complete sequences of COR and BBE genes were cloned by reverse transcription-polymerase chain reaction (RT-PCR), the results of
Gametophytic self-incompatibility: contrasting mechanisms for Nicotiana and Papaver.
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Since Darwin first noted that not all plants produce self-seed, several mechanisms that regulate the acceptance or rejection of pollen during fertilization have been recognized, of which self-incompatibility (SI) is the most widespread. Over the past few years much progress has been made in
PsAP2 an AP2/ERF family transcription factor from Papaver somniferum enhances abiotic and biotic stress tolerance in transgenic tobacco.
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The AP2/ERFs are one of the most important family of transcription factors which regulate multiple responses like stress, metabolism and development in plants. We isolated PsAP2 a novel AP2/ERF from Papaver somniferum which was highly upregulated in response to wounding followed by ethylene, methyl
Expression patterns conferred by tyrosine/dihydroxyphenylalanine decarboxylase promoters from opium poppy are conserved in transgenic tobacco.
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Opium poppy (Papaver somniferum) contains a large family of tyrosine/dihydroxyphenylalanine decarboxylase (tydc) genes involved in the biosynthesis of benzylisoquinoline alkaloids and cell wall-bound hydroxycinnamic acid amides. Eight members from two distinct gene subfamilies have been isolated,
Identification of a unique 2-oxoglutarate-dependent flavone 7-O-demethylase completes the elucidation of the lipophilic flavone network in basil.
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Small molecule demethylation is considered unusual in plants. Of the studied instances, the N-demethylation of nicotine is catalyzed by a Cyt P450 monooxygenase, while the O-dealkylation of alkaloids in Papaver somniferum is mediated by 2-oxoglutarate-dependent dioxygenases (2-ODDs). This report
Opium poppy mosaic virus, a new umbravirus isolated from Papaver somniferum in New Zealand.
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A novel virus, tentatively named "opium poppy mosaic virus" (OPMV), was isolated from Papaver somniferum (opium poppy) with leaf mosaic and mottling symptoms in Auckland, New Zealand, in 2006. The virus was mechanically transmitted to herbaceous plants of several species, in which it induced local
Recessive loci Pps-1 and OM differentially regulate PISTILLATA-1 and APETALA3-1 expression for sepal and petal development in Papaver somniferum.
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The involvement of PISTILLATA (PI) and APETALA (AP) transcription factors in the development of floral organs has previously been elucidated but little is known about their upstream regulation. In this investigation, two novel mutants generated in Papaver somniferum were analyzed--one with partially
Utility of opium seed extract tests in preventing hypersensitivity reactions during surgery.
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BACKGROUND
Anaphylaxis during anaesthesia is fatal in 3-9% of patients and analgesics, including opioids, and is the second most common medicament-related cause, although the prevalence is underestimated. We recently found that patients may generate IgE antibodies to opium seeds.
OBJECTIVE
To
First Report of Pectobacterium carotovorum Causing Soft Rot of Opium Poppy in Spain.
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Opium poppy (Papaver somniferum L.) is an economically important pharmaceutical crop in Spain. Approximately 8,000 ha are cultivated annually in southern and central Spain. To improve yields, opium poppy cultivation is expanding to more humid or irrigated areas of Spain. In the springs of 2005 and
Isolation and partial characterization of norcoclaurine synthase, the first committed step in benzylisoquinoline alkaloid biosynthesis, from opium poppy.
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Norcoclaurine synthase (NCS) catalyzes the condensation of dopamine and 4-hydroxyphenylacetaldehyde (4-HPAA) to yield norcoclaurine, the common precursor to all benzylisoquinoline alkaloids produced in plants. In opium poppy (Papaver somniferum L.), NCS activity was detected in germinating seeds,
Wound induced tanscriptional regulation of benzylisoquinoline pathway and characterization of wound inducible PsWRKY transcription factor from Papaver somniferum.
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Wounding is required to be made in the walls of the green seed pod of Opium poppy prior exudation of latex. To withstand this kind of trauma plants regulate expression of some metabolites through an induced transcript level. 167 unique wound-inducible ESTs were identified by a repetitive round of
Virus-induced gene silencing (VIGS) in Cysticapnos vesicaria, a zygomorphic-flowered Papaveraceae (Ranunculales, basal eudicots).
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OBJECTIVE
Studies of evolutionary diversification in the basal eudicot family Papaveraceae, such as the transition from actinomorphy to zygomorphy, are hampered by the lack of comparative functional studies. So far, gene silencing methods are only available in the actinomorphic species Eschscholzia
Virus-induced gene silencing is an effective tool for assaying gene function in the basal eudicot species Papaver somniferum (opium poppy).
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Virus-induced gene silencing (VIGS) is an attractive method for assaying gene function in species that are resistant to conventional genetic approaches. However, VIGS has been shown to be effective in only a few, closely related plant species. Tobacco rattle virus (TRV), a bipartite RNA virus, has a
Molecular analysis of a new member of the opium poppy tyrosine/3,4-dihydroxyphenylalanine decarboxylase gene family.
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An aromatic amino acid decarboxylase DNA fragment was generated from opium poppy (Papaver somniferum L.) genomic DNA by the PCR using primers designed from conserved amino acid sequences of other aromatic amino acid decarboxylase genes. Using this fragment as a probe, a genomic clone was isolated
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