eastern/nicotiana

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Coupling two mercury resistance genes in Eastern cottonwood enhances the processing of organomercury.

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Eastern cottonwood (Populus deltoides Bartr. ex Marsh.) trees were engineered to express merA (mercuric ion reductase) and merB (organomercury lyase) transgenes in order to be used for the phytoremediation of mercury-contaminated soils. Earlier studies with Arabidopsis thaliana and Nicotiana tabacum

Occurrence of Bacterial Fruit Blotch of Watermelon Caused by Acidovorax avenae subsp. citrulli in the Eastern Mediterranean Region of Turkey.

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Turkey has the second highest production level of watermelon (Citrullus lanatus L.) in the world, with 3.8 million tons produced in 2005. In the spring of 2005, a severe outbreak of a disease resembling bacterial fruit blotch was observed on watermelon cv. Crispy growing in a production area of

In Vitro Acaricidal Activity of Selected Medicinal Plants Traditionally Used against Ticks in Eastern Ethiopia.

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A study was carried out to evaluate the acaricidal activities of crude methanolic extract of leaves of six medicinal plants, namely, Vernonia amygdalina, Calpurnia aurea, Schinus molle, Ricinus communis, Croton macrostachyus, and Nicotiana tabacum, against

A recombinant Tobacco curly shoot virus causes leaf curl disease in tomato in a north-eastern state of India and has potentiality to trans-replicate a non-cognate betasatellite.

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Leaf curl disease is a serious constraint in tomato production throughout India. Several begomoviruses were reported from different parts of the country; however, identity of begomovirus associated with leaf curl disease in tomato in north-eastern states of India was obscured. In the present study,

Genetic and geographic polymorphism of cultivated tobaccos (Nicotiana tabacum) in Turkey.

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Nicotiana tabacum (2n = 48) is a natural amphidiploid and shows a distribution over a geographical area in eastern anatolia. Random amplified polymorphic DNA (RAPD) technique was used to evaluate both genetic diversity among 21 primitive tobacco accessions comparing flue cure virginia genotype (FCV)

Stomatal Behavior and Water Status of Maize, Sorghum, and Tobacco under Field Conditions: II. At Low Soil Water Potential.

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Diurnal changes in the vertical profiles of irradiance incident upon the adaxial leaf surface (I), leaf resistance (r(1)), leaf water potential (psi), osmotic potential (pi), and turgor potential (P) were followed concurrently in crops of maize (Zea mays L. cv. Pa602A), sorghum (Sorghum bicolor [L.]

Detection of p16 promotor hypermethylation in "Maras powder" and tobacco users.

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BACKGROUND A plant powder called "Maras powder" is widely used instead of cigarette smoking in the South-Eastern region of Turkey. It has been confirmed that this powder comprises tobacco Nicotiana rustica L. METHODS The aim of this study was to assess the effect of Maras powder and cigarette

Risk assessment, spatial distribution, and source apportionment of heavy metals in Chinese surface soils from a typically tobacco cultivated area.

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The heavy metals (As, Cd, Cr, Cu, Hg, Ni, Pb, and Zn) in the surface soils of tobacco (Nicotiana tabacum L.) fields in Jiangxi Province were analyzed, and the mean heavy metal concentrations were 3.55, 0.19, 25.89, 14.96, 0.25, 10.89, 27.80, and 44.00 mg/kg, respectively. Spatial distribution

Genome organization of ageratum yellow vein virus, a monopartite whitefly-transmitted geminivirus isolated from a common weed.

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A full-length copy of a single genomic component of the whitefly-transmitted geminivirus ageratum yellow vein virus (AYVV) has been cloned from an extract of infected Ageratum conyzoides originating from Singapore. Sequence analysis shows that the genomic component encodes two virion-sense (V1 and

Interaction between Rice stripe virus disease-specific protein and host PsbP enhances virus symptoms.

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Rice stripe virus (RSV) causes severe diseases in Oryza sativa (rice) in many Eastern Asian countries. Disease-specific protein (SP) of RSV is a non-structural protein and its accumulation level in rice plant was shown to determine the severity of RSV symptoms. Here, we present evidence that

Utilization of infectious clones to visualize Cassava brown streak virus replication in planta and gain insights into symptom development.

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Cassava brown streak disease (CBSD) is a leading cause of cassava yield losses across eastern and central Africa and is having a severe impact on food security across the region. Despite its importance, relatively little is known about the mechanisms behind CBSD viral infections. We have recently

Water potential gradients in field tobacco.

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A pressure chamber was used to establish the vertical gradients of leaf water potential (Psi(Leaf)) and stem water potential (Psi(Stem)) in field-grown tobacco (Nicotiana tabacum L. var. Havanna seed 211) at three different times of day. Leaves enclosed in polyethylene bags and aluminum foil the

The symptom and genetic diversity of cassava brown streak viruses infecting cassava in East Africa.

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The genetic and symptom diversity of six virus isolates causing cassava brown streak disease (CBSD) in the endemic (Kenya, Mozambique, and Tanzania) and the recently affected epidemic areas (Uganda) of eastern Africa was studied. Five cassava varieties; Albert, Colombian, Ebwanateraka, TMS60444 (all

Valsa mali Pathogenic Effector VmPxE1 Contributes to Full Virulence and Interacts With the Host Peroxidase MdAPX1 as a Potential Target.

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The Valsa canker, caused by Valsa mali (V. mali), is a destructive disease of apple in Eastern Asia. Effector proteins are important for fungal pathogenicity. We studied a candidate effector VmPxE1 isolated based on the genome information of V. mali. By using the yeast invertase secretion assay

Host range and genetic diversity of croton yellow vein mosaic virus, a weed-infecting monopartite begomovirus causing leaf curl disease in tomato.

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Croton yellow vein mosaic virus (CYVMV) is a widely occurring begomovirus in Croton bonplandianum, a common weed in the Indian subcontinent. In this study, CYVMV (genus Begomovirus, family Geminiviridae) was transmitted by whiteflies (Bemisia tabaci) to as many as 35 plant species belonging to 11

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