senna bicapsularis/nicotine

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[Transgenic tobacco plants with ribosome inactivating protein gene cassin from Cassia occidentalis and their resistance to tobacco mosaic virus].

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Cassin, the new gene of ribosome-inactivating protein (RIP) isolated from Cassia occidentalis, was inserted into expression vector pBI121 to produce plant expression vector pBI121-cassin (Figs.1, 2). pBI121-cassin was introduced into tobacco cultivar 'K326' by the Agrobacteriurm tumefaciens

Flavones from Cassia siamea and their anti-tobacco mosaic virus activity.

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Two new flavones, siameflavones A and B (1 and 2), together with five known flavones (3-7) were isolated from the stem of Cassia siamea. Their structures were elucidated by spectroscopic methods including extensive 1D and 2D NMR techniques. Compounds 1-5 were evaluated for their anti-tobacco mosaic

First Report of the Occurrence of African cassava mosaic virus in a Mosaic Disease of Soybean in Nigeria.

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African cassava mosaic virus (ACMV; genus Begomovirus, family Geminiviridae) is one of six viruses documented in cassava (Manihot esculenta Crantz.) plants showing cassava mosaic disease in sub-Saharan Africa (SSA). In addition to cassava, the natural host range of ACMV includes a few wild Manihot

Aryltetralin lignans: chemistry, pharmacology and biotransformations.

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Podophyllotoxin derivatives like etoposide 7a, etophos 7b, and teniposide 7c are used clinically as potent chemotherapeutic agents for a variety of tumors including small cell lung carcinoma, testicular cancer, and malignant lymphoma. These compounds derived from a series of modifications which

Cytotoxic allelochemicals induce ultrastructural modifications in Cassia tora L. and mitotic changes in Allium cepa L.: a weed versus weed allelopathy approach.

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The stress induced by allelochemicals present in stem aqueous extract (SAE) of Nicotiana plumbaginifolia on alterations in growth, ultrastructure on Cassia tora L., and mitotic changes on Allium cepa L. were inspected. Application of SAE at different concentrations (0.5, 1, 2, and 4%) expressively

Antivenin plants used for treatment of snakebites in Uganda: ethnobotanical reports and pharmacological evidences.

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Snakebite envenomation is a serious public health concern in rural areas of Uganda. Snakebites are poorly documented in Uganda because most occur in rural settings where traditional therapists end up being the first-line defense for treatment. Ethnobotanical surveys in Uganda have reported that some

Integration of botanicals and microbials for management of crop and human pests.

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Insect pests inflict damage to humans, farm animals, and crops. Human and animal pests put more than 100 million people and 80 million cattle at risk worldwide. Plant pests are the main reason for destroying one fifth of the world's total crop production annually. Anopheles stephensi is the major

Summer weeds as hosts for Frankliniella occidentalis and Frankliniella fusca (Thysanoptera: Thripidae) and as reservoirs for tomato spotted wilt Tospovirus in North Carolina.

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In North Carolina, Tomato spotted wilt tospovirus (family Bunyaviridae, genus Tospovirus, TSWV) is vectored primarily by the tobacco thrips, Frankliniella fusca (Hinds), and the western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae). TSWV overwinters in winter annual

Medicinal plants used for dogs in Trinidad and Tobago.

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This paper documents ethnoveterinary medicines used to treat dogs in Trinidad and Tobago. In 1995, a 4-stage process was used to conduct the research and document the ethnoveterinary practices. Twenty-eight ethnoveterinary respondents were identified using the school-essay method, which is a

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