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Mutualistic Interaction of Piriformospora indica(Serendipita indica) with Aloe vera, the Wonder Plant for Modern Living

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American Journal of Plant Sciences 2019年第11期10卷 2002-2011页

作者： Neeraj Shrivastava Shubhangi Mahajan Aditi Jain Priyanka Sharma Amit C. Kharakwal ajit varma Amity Institute of Microbial Technology (AIMT) Amity University Uttar Pradesh Noida India

Aloe vera, a short-stemmed shrub is described as a “wonder plant”, due to its vast uses in various medical products. Since many decades, extensive research has revealed that the pharmacological active ingredients are distributed in both the gel and rind of the Aloe vera leaves. A. vera is very popular in cosmetic and pharmaceutical industries and it is needed in large quantities with higher fractions of important constituents. To satisfy the market demand, intervention of microbial community seems to be a promising approach, which helps to increase the growth and metabolites along with plant fitness. Piriformospora indica is a root colonizing endophytic fungus, having unique plant growth-promoting properties. It helps the plant to acquire more nutrients from soil even under extreme physical and nutrient stress conditions. It interacts with a wide range of hosts. Interaction of P. indica with A. vera resulted in overall increase in plant biomass and greater shoot and root length, as well as number of shoots and roots as compared to control under both in vitro and in vivo environment conditions. Apart from that, the photosynthetic pigments (Chl a, Chl b and total Chl) and aloin content were observed significantly higher in A. vera plantlets colonized with symbiotic endophyte. The antioxidant activities were also tested and found significantly higher as compared to control plants. This imparts the potential of P. indica, to resist the plants against phyto-pathogenic microbes. P. indica has been proved as a potential candidate to enhance the biomass production along with various value additions in the form of active ingredients in A. vera.

关键词： Aloe vera Piriformospora indica Aloe Gel Secondary Metabolites

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Impact of ZnO Nano Materials on Medicinal Black Rice Seed Germination

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Journal of Minerals and Materials Characterization and Engineering 2019年第4期7卷 180-192页

作者： Shubhangi Mahajan Shilpa Barthwal Manpreet Kaur Attri Sneh Bajpai Surbhi Dabral Manika Khanuja ajit varma Amity Institute of Microbial Technology Amity University Noida India Centre for Nanoscience and Nanotechnology Jamia Millia Islamia New Delhi India

Black rice Oryza sativa is primarily grown in East and North East of India. This variety could not become popular due to low yield and being expensive. It is rich in three kinds of Anthocyanin contents which exhibit great impact on human health. Four different kinds of ZnO nanomaterial were prepared at variable temperature ranging from 250°C to 500°C. The Interaction of black rice grain with nanozinc material leads to the observation that seeds germinated early. Rooting development was higher. Better effects were observed while those interacted with nanomaterial prepared at 350°C. In the present study the aim was to enhance the yield and value addition. To best of our knowledge this is the first scientific attempt [see also patent filed varma et al. 2019]. The mechanism involved needs further elaborate elucidation. We hope that the goal can also be achieved by interaction of seeds with mycosymbiont—Piriformospora indica (Serendipita indica) a potent cultivable mycorrhiza. The precise objective of this communication is to illustrate the interaction of black rice seed with several synthesized nano zinc material which varied in shape, size and diameter.

关键词： Black Rice (Oryza sativa) Zinc Nanomaterials Piriformospora indica (Serendipita indica) Anthocyanin

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