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Horizon e-Publishing Group (HePG) is an online publisher of scientific information in the form of eJournals, career news and services across the life, physical, chemical and applied sciences.

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Biosynthesis of the Amaryllidaceae alkaloids

Singh, Aparna; Université du Québec à Trois-Rivières et al. [2014-07-10]

Amaryllidaceae alkaloids (AAs) are a structurally diverse group of plant specialized metabolites with powerful biological activities. The medicinal properties of many AAs have been identified including the antitumor agent narciclasine and galanthamine, used for Alzheimer’s disease. Tracer studies have led to proposed pathways but AA biosynthesis remains molecularly uncharacterized. The use of ...

SUBJECT: systems biology; natural products; amaryllidaceae alkaloid; plant metabolism; biochemistry

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Therapeutic effect of Ananus comosus peel on 7, 12 dimethylbenz(a)anthracene induced breast cancer in female wistar albino rats

Uma, C; Associate Professor Department of Biochemistry Centre for Health and Medicine Hawassa University et al. [2014-01-16]

Ananus comosus, has demonstrated a wide variety of biological activities which make it a good plant source for the treatment of many oxidative stress mediated diseases. The present study was aimed to evaluate therapeutic potential by assaying the activities of liver marker and lysosomal enzymes in 7, 12 dimethylbenz(α)anthracene induced mammary cancer bearing rats. Animals were divided into fi ...

SUBJECT: ananus comosus; mammary cancer; pharmacology; modulating property; liver marker and lysosomal marker enzymes

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Effect of Exclusion of Solar UV radiation on Plants

Kataria, Sunita; SLS, Devi Ahilya University et al. [2014-12-03]

UV exclusion studies can provide the realistic assessments of sensitivity of plant to current level of UV radiation. Perusal of relevant literature reveals that UV exclusion causes enormous increase in the growth of aerial parts along with below ground parts of the plants. Exclusion of UV-B (280-315 nm) and UV-A+B (280-400 nm) enhanced the photosynthetic pigments, net photosynthetic rate and s ...

SUBJECT: ps ii; uv-b; photosynthesis; rubisco; uv exclusion

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An in silico overview on the usefulness of tags and linkers in plant molecular pharming

Makhzoum, Abdullah; Department of Biology, The University of Western Ontario, London et al. [2014-10-04]

Plant molecular pharming is a promising concept based on the large-scale production of recombinant proteins encompassing antibodies, vaccines and enzymes for human or veterinary uses and treatments. This new branch of biopharmaceutical industry offers pratcical and safety advantages over other traditional production systems. In higher plants, the complex cellular machinery makes possible synth ...

SUBJECT: protein fusions; linkers; sba; molecular biology; plant molecular pharming

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Impact of Pyraclostrobin (F-500) on Crop Plants

Kanungo, Mansi et al. [2014-09-03]

Strobilurins, such as pyraclostrobin, belong to a fungicide group with preventative mode of action and are used around the world. Strobilurins inhibit mitochondrial respiration by stopping electron transfer at the quinol oxidation site in the cytochrome-bc1 complex which disrupts energy cycle of the fungus. F-500 (pyraclostrobin) strobilurin, a new generation broad spectrum fungicide has been ...

SUBJECT: pyraclostrobin; biomass; agronomy; yield; strobilurins

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Floral diversity and ecology in Kalyani area of Nadia district, West Bengal, India

Biswas, Saikat; Department of Botany, RPM College, Uttarpara, West Bengal et al. [2015-02-08]

An assessment of plant diversity was carried out to record different species of flowering plants (Angiosperms) in Kalyani township of Nadia district, West Bengal, India during January, 2014. All together 6 quadrats were laid down, and 30 flowering plant species belonging to 15 families were documented. Voucher specimens were preserved and digitized in departmental phyto-informatics center. Fre ...

SUBJECT: diversity; quadrat; ethnobotany; economic botany; medicinal plants

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Efficient organogenesis from the induced meristemoid of Anthurium andraeanum Linden cv. Tinora

Bhattacharya, Chayanika; University of Kalyani et al. [2015-04-17]

We present here an efficient micropropagation protocol through direct regeneration of plants from meristemoids in Anthurium andraeanum Linden cv. Tinora. About 96.6±0.33 of in vitro grown nodal segments having axillary buds were induced to form meristemoids on modified MS basal medium supplemented with 0.92 µM Thidiazuron (TDZ). The significantly highest numbers of shoots (25.6±0.23) were rege ...

SUBJECT: plant biology; anthurium; horticulture; histology; morphology

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Anti-acne activity of Garcinia mangostana L.: A review

Khumsupan, Panupon; Mahidol University et al. [2014-08-14]

Garcinia mangostana L. or mangosteen of the Clusiaceae has traditionally been employed as medicinal drugs for decades. A plethora of compounds are responsible for a wide range of medicinal properties and biological activities. The ethanol extract of the mangosteen rind has been found to be anti-inflammatory, antioxidant and anti-acne-causing bacteria. Many research studies have confirmed its p ...

SUBJECT: mangosteen; acne; pharmacognosy; garcinia mangostana; pharmaceutical biology

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Herbaceous vegetation studies are pivotal for a better understanding of the ecology of several animal species that use these plants as food items, nest-building materials, and tools. This article illustrates how such investigations can build on the knowledge base required for conservation planning and help to assess habitat quality. Although many descriptive studies on herbaceous plants used b ...

SUBJECT: biodiversity monitoring; plant-animal interactions; indicator species; food availability; ecology

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Germplasm and conservation of rare and endangered tree species endemic to east China

Liu, Jun; Research Institute of Subtropical Forestry et al. [2014-10-01]

There are plenty of native tree species in east China, including 16 rare and endangered tree species belonging to 11 genera in 10 families. Because of narrow distribution area, weak qualitative competitiveness and reduced natural regeneration, the number of these tree species are decreasing substantially. Thus, it is necessary to protect endangered species endemic to the region. In this paper ...

SUBJECT: conservation biology; conservation; germplasm; east china; rare and endangered