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Johnson T.S.,Natural Remedies Pvt. Ltd. | Badri J.,The Academy of Management | Sastry R.K.,The Academy of Management | Shrivastava A.,The Academy of Management | And 2 more authors.
Recent Patents on DNA and Gene Sequences | Year: 2013

Due to depleting reserves of fossil fuels, political uncertainties, increase in demand of energy needs and growing concerns of environmental effects, bioenergy as an alternative source of energy needs had taken centre stage globally. In this report, we review the progress made in lignocellulose, cellulose and fermentation based biofuels in addition to tree borne oil seeds. Algae as a source of feedstock for the biofuel has also been reviewed. Recent efforts in genome sequencing of biofuel crops and molecular breeding approaches have increased our understanding towards crop improvement of major feedstocks. Besides, patenting trends in bioenergy sector were assessed by patent landscape analysis. The results showed an increasing trend in published patents during the last decade which is maximum during 2011. A conceptual framework of "transgenesis in biofuels to industrial application" was developed based on the patent analytics viz., International Patent Classification (IPC) analysis and Theme Maps. A detailed claim analysis based on the conceptual framework assessed the patenting trends that provided an exhaustive dimension of the technology. The study emphasizes the current thrust in bioenergy sector by various public and private institutions to expedite the process of biofuel production. © 2013 Bentham Science Publishers.


Sujatha M.,Oilseeds Research | Visarada K.B.R.S.,Sorghum Research
Methods in Molecular Biology | Year: 2013

Particle bombardment/biolistic delivery is a very popular method of genetic transformation of diverse targets including cells and intact tissues. Delivery of DNA through particle bombardment is genotype and species independent, nevertheless, an efficient protocol for large-scale generation of transgenic plants through embryogenic tissues with a high (≥80%) shoot regeneration efficiency is a prerequisite. Young embryogenic tissues or multiple shoot buds in early stages of induction are the most suited target tissues for recovery of transgenic plants. We describe the protocol for delivery of foreign genes using particle delivery system (Biorad gene gun, PDS-1000/He) in to the meristematic tissues of embryonic axes derived from mature seeds of castor. With the optimized physical and biological parameters, putative transformants were obtained at a frequency of 1.4% through particle gun bombardment of castor embryo axes. Also, transformation of embryogenic calli of sorghum using particle inflow gun (PIG) is described. © 2013 Springer Science+Business Media, LLC.


Qureshi A.A.,Onion and Garlic Research | Qureshi A.A.,Oilseeds Research | Lawande K.E.,Onion and Garlic Research | Mani S.,Onion and Garlic Research | Patil V.B.,Onion and Garlic Research
Indian Journal of Agricultural Sciences | Year: 2012

The above investigation revealed that quercetin content varied spatially in the bulb portions as well as in the rings of short-day Indian onions. It was high in top portion of bulb or in the outer rings. Dark coloured bulbs had greater amounts of quercetin in comparison to white bulbs. These findings would provide essential information for majority of people in India, South Asia and Gulf who consume onion in salads about the coloured bulbs that it contains more quercetin levels. Hence, consumption of coloured bulbs particularly the top portion or outer rings is more beneficial in meeting the dietary requirement of quercetin, which is an essential health compound.


Sunil N.,Winter Nursery Center | Kumar V.,Indian International Crops Research Institute for the Semi Arid Tropics | Abraham B.,National Bureau of Plant Genetic Resources | Sivaraj N.,National Bureau of Plant Genetic Resources | Varaprasad K.S.,Oilseeds Research
Thai Journal of Agricultural Science | Year: 2014

Diverse germplasm accessions of Jatropha (Jatropha curcas L.) collected from different eco-geographical regions of South India were studied for differential branching pattern involving branching angles between the Main and Primary branches (M-P), primary and secondary (P-S) and secondary and tertiary (S-T). Correlation of the various branching angles, contributing to the tree structure, with other agro-morphological traits viz. number of primary branches, canopy spread, pedicel length, number of fruit clusters and yield was studied. Significant correlation was recorded for branch angle of 750-950 between M-P branches for plant height and bole length. An angle of 60-750 between primary to secondary (P-S) branches had highly significant correlation with bole length. S-T branch angle ranging between 60-750 had significant correlation with plant height, bole length and yield. Accession, IC541688 (with branch angle 77.50 between M-P, 61.60 for P-S and 48.30 for S-T) and IC544654 (710 between M-P, 550 between P-S and 480 between S-T) recorded high yield. The results showed that branching pattern as a tool for identification of promising genotypes may be effective.


Duraimurugan P.,Oilseeds Research | Sampathkumar M.,Rice Research | Srinivas P.S.,Oilseeds Research
Journal of Food, Agriculture and Environment | Year: 2015

Female calling behaviour and electrophysiological response of male to pheromone gland extracts of castor semilooper, Achaea janata L. (Lepidoptera: Noctuidae) were studied under laboratory conditions. Adult emergence occurred only at scotophase period with maximum of 58% male and 53% female moths during 6th and 7th hour of scotophase. Females exhibited a characteristic calling posture by extruding the pheromone gland from the tip of the abdomen. Both female age and time in the scotophase significantly influenced calling. Calling initiated during second scotophase and maximum calling occurred during fourth scotophase (66.7%). Most of the female calling (41.8%) occurred during 9th hour of the scotophase. Extracts of female pheromone gland assayed in electroantennogram elicited hyper sensitive reaction in male moths with a response of -2.745 mV. The present study gives detailed information on the behavioural biology of A. janata and optimal time for the pheromone extraction, which could facilitate exploiting pheromone technology for the monitoring and mass trapping of this pest in castor. © 2015, World Food Ltd. and WFL Publishers. All rights reserved.

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