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Kathiravan, G.
- Biodiversity of Endophytic Fungi and its Seasonal Recurrence from Some Plants
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1 Department of Biotechnology, Vels University, Pallavaram, Chennai, IN
1 Department of Biotechnology, Vels University, Pallavaram, Chennai, IN
Source
Research Journal of Pharmacy and Technology, Vol 10, No 2 (2017), Pagination: 490-496Abstract
Plants have served humankind as source of fuel, food, clothing, shelter and medicine since the beginning of life. Many new modern techniques, methods, strategies and plant associations have been put into use to improve the quantity and quality of plant resources. Among the microbial populations in plants, endophytes play a key role in almost every aspects right from the production of bioactive compounds, and its role in medicinal applications. In the present study, the following are the list of plants from which the leaf samples have been collected Mangifera indica (L), Psidium guajava (L), Catharanthus roseus (L) G.don, Citrus limon (L). Burm.f., Murraya koenigii (L), Hibiscus rosasinensis (L). The inoculated leaf sample harboured a total of 50 isolate comprised of Zygomycotina (5), Ascomycotina (3), Hypomycetes (35) and Coelomycetes (7). Hymomycetes and Coelomycetes were the common fungus grown in all the leaf samples. Among the Hypomycetes and Coelomycetes fungi, two genera from Coelomycetes Botryodiplodia theobromae and Pestalotiopsis breviseta were frequently reccuring in all the months considered for the study.Keywords
Biodiversity, Endophytic Fungi, Hypomycetes, Coelomycetes.- Effect of Plant Hormones and Media Composition on Browning and Growth of Bacopa monnieri Callus Cultures
Abstract Views :130 |
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Authors
Affiliations
1 Department of Biotechnology, Vels University, VISTAS, Velan Nagar, Pallavaram, Chennai-117, IN
2 Department of Mathematics, Vels University, VISTAS, Velannagar, Pallavaram, Chennai-117, IN
3 University of Madras, Guindy campus, Chennai- 017, IN
1 Department of Biotechnology, Vels University, VISTAS, Velan Nagar, Pallavaram, Chennai-117, IN
2 Department of Mathematics, Vels University, VISTAS, Velannagar, Pallavaram, Chennai-117, IN
3 University of Madras, Guindy campus, Chennai- 017, IN
Source
Research Journal of Pharmacy and Technology, Vol 10, No 2 (2017), Pagination: 497-500Abstract
High phenolic content of Bacopa monnieri often causes browning of callus culture, to prevent this various hormones at different concentrations were used. 2,4dichlorophenoxyacetic acid (2,4-D), 1-naphthaleneacetic acid (NAA), indole-3-butyric acid (IBA) and 6-benzylamino Purine (BAP) were used in the current study. Out of these plant hormones NAA gave healthy calli without any browning. 2,4-D was least preferable as it caused complete browning of the calli within a week. Apart from plant hormones other nutrients also played a major role in preventing the browning. The concentration of ammonium nitrate, potassium nitrate and sucrose was reduced. Reducing sucrose concentration affected the growth of the calli hence it did not help much, but reducing the amount of nitrate source in the media aided in preventing the browning. Addition of ascorbic acid (100mg/L) also stopped the browning.Keywords
Callus Culture, Browning, Ascorbic Acid, 1-Naphthaleneacetic Acid, Nitrate.- Enhancement of Anticancer Drug Annona muricata Against HT-29 Cell Line using Silver Nano Particles
Abstract Views :158 |
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Authors
Affiliations
1 Vels University, Pallavaram, Chennai, IN
1 Vels University, Pallavaram, Chennai, IN
Source
Research Journal of Pharmacy and Technology, Vol 10, No 2 (2017), Pagination: 529-532Abstract
This study reports in vitro cytotoxicity effect of biogenic synthesized silver nanoparticles against HT-29 colon cancer cell line. The formation of silver nanoparticles was observed at 449nm, further the various characterization techniques such as UV, SEM, IR studies were conformed the synthesis of silver nanoparticles. The plant extract derived nanoparticle sample was exhibited significant cytotoxicity effects against HT-29 colon cancer cell line. Thus, the results shows the present study indicates the biogenic synthesized silver nanoparticles might be used to treat colon cancer cell line and it's followed to their potential as anticancer agents.Keywords
Annona muricata, Silver Nanoparticles, UV, SEM, IR, HT-29 Cell Line.- Phytochemical Analysis and Antimicrobial Activity of Ethonolic Leaf Extract of Ficus racemosa Linn
Abstract Views :162 |
PDF Views:1
Authors
Affiliations
1 Department of Biotechnology, Vels University Pallavaram, Chennai, IN
1 Department of Biotechnology, Vels University Pallavaram, Chennai, IN