نتایج جستجو برای: artemissia annua
تعداد نتایج: 1264 فیلتر نتایج به سال:
Plantago virginica L. has invaded many lawn ecosystems in the Eastern part of China. The invasion has incurred an economic cost to remove them. In order to prevent the invasion, it is critical to understand the invasive mechanisms of this species. However, few studies have been conducted on the allelopathic mechanisms of its invasion. In this study, we examined allelopathic effects of P. virgin...
Artemisia annua is an annual herb used in traditional Chinese medicine. A cDNA library was constructed from leaves of A. annua seedlings and target sequences were amplified by PCR using degenerate primers derived from a consensus sequence of angiosperm terpene synthases. Two clones, QH1 and QH5, with high sequence similarity to plant monoterpene synthases were ultimately obtained and expressed ...
Amorpha-4,11-diene synthase (ADS) of Artemisia annua catalyzes the conversion of farnesyl diphosphate into amorpha-4,11-diene, the first committed step in the biosynthesis of the antimalarial drug artemisinin. The promoters of ADS contain two reverse-oriented TTGACC W-box cis-acting elements, which are the proposed binding sites of WRKY transcription factors. A full-length cDNA (AaWRKY1) was is...
Artemisinin is a sesquiterpene lactone endoperoxide extracted from a traditional Chinese medicinal plant Artemisia annua. Artemisinin-based combination therapies (ACTs) are recommended as the best treatment of malaria by the World Health Organization (WHO). Both the phytohormone jasmonic acid (JA) and light promote artemisinin biosynthesis in A. annua. Interestingly, we found that the increase ...
Introduction & Objective: Vascular complications represent the main cause of mortality in diabetic patients. Considering the role of plants containing flavonoids in elimination of diabetic vascular disorders and the protective effect of the aqueous extract of Artemisia annua on aortic contractile response in diabetic rats, we evaluated the mechanism of vasodilating action of Artemisia annua ext...
This article treats Chinese medical theories and concepts as cultural constructs that arose as much from practice-oriented concerns as from socio-political negotiations within the medical field. It further explores the interface of the biological and cultural. It is often futile to investigate how Chinese medical descriptions relate to biological processes, because the local biologies that the ...
background: giardiasis is a one of the most prevalent intestinal parasitic diseases in human, treatment of this disease through medicinal plants is very important since parasite resistance to chemical drugs exists. thus, in this study, the in vitro anti-giardial activity of chloroformic extract of tanacetum parthenium and artemisia annua on cyst and trophozoite of giardia lamblia were separatel...
Parasitism remains a challenge in the effective and efficient management of ruminant livestock. Among different approaches proposed for better these parasites, present work carried out on farm Faculty Agronomic Sciences (FSA) located Sékou, focused effectiveness annual mugwort powder (Artemisia annua) gastrointestinal nematodes (Nematoda) cattle. The coprological analyses were made at Laborator...
Background: Giardiasis is a one of the most prevalent intestinal parasitic diseases in human, treatment of this disease through medicinal plants is very important since parasite resistance to chemical drugs exists. Thus, in this study, the in vitro anti-giardial activity of chloroformic extract of Tanacetum parthenium and Artemisia annua on cyst and trophozoite of Giardia lamblia were separatel...
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