Synergistic effect of Glomus mosseae and nitrogen fixing Bacillus subtilis strain Daz26 on artemisinin content in Artemisia annua L. |
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| Institution: | 1. Wageningen University and Research Centre, Droevendaalsesteeg 1, PO Box 16, 6700AA, Wageningen, The Netherlands;2. Natural Resources Institute Finland (Luke), Management and Production of Renewable Resources, Itäinen Pitkäkatu 3, 20520 Turku, Finland;1. Department of Soil Science, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015 (India);2. Division of Biotechnology, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015 (India);3. Division of Microbial Technology, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015 (India);4. Analytical Chemistry Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015 (India);5. Research Centre, CSIR-Central Institute of Medicinal and Aromatic Plants, Bangalore 560065 (India);1. Center for Environmental Assessment and Climate Change, G.B. Pant National Institute of Himalayan Environment, Kosi-Katarmal, Almora, 263643, Uttarakhand, India;2. Department of Biotechnology, Graphic Era Deemed to be University, Bell Road, Clement Town, Dehradun, 248002, Uttarakhand, India;1. Dpto. Biología Molecular, FCEFQyN, Universidad Nacional de Río Cuarto, Campus Universitario, 5800, Río Cuarto, Argentina;2. Department of Biochemistry, Max Planck Institute for Chemical Ecology, Hans-Knoell-Str. 8, 07745, Jena, Germany |
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| Abstract: | Artemisia annua L. (Asteraceae) is an important medicinal plant whose secondary metabolite artemisinin is used for the treatment of cerebral malaria. A study was undertaken to determine the effect of arbuscular mycorrhizal (AM) fungi, Glomus mosseae, Glomus aggregatum, Glomus fasciculatum, Glomus intraradices and two free living nitrogen fixing bacteria (NFB) (identified as Bacillus subtilis and Stenotrophomonas spp. through 16S rRNA gene sequence analysis), inoculated alone or in combinations on the biomass, nutrient uptake, and content of artemisinin in A. annua under glass house conditions. Various parameters like plant height, total plant biomass, NPK content, leaf yield, mycorrhizal colonization, bacterial population in rhizosphere, phosphatase activity and artemisinin content were determined and found to vary with different treatments. Among all the treatments, plants inoculated with G. mosseae + B. subtilis performed better than any other treatment or uninoculated control plants. The results of the experiment clearly indicated the compatibility and synergy between G. mosseae and B. subtilis and suggested the use of this microbial consortium in A. annua for enhancing growth, biomass yield, and the content and yield of artemisinin. |
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