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Microsatellites distinguish sexual vs. apomictic reproduction in spontaneous Rubus hybrids
Lindsay V. Clark and Marie Jasieniuk

In previous work we identified spontaneous hybrids between the native, sexual R. ursinus and the non-native, apomictic R. armeniacus and R. pensilvanicus. Using microsatellite genotypes of seeds and seedlings, we determine that the hybrids produce a mix of sexual and clonal offspring, and that sexual seeds have higher viability. This has implications for the ability of hybrid Rubus to evolve into new invasive forms.

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SILENCING THE SAM PATHWAY GENES RELATED TO CAFFEINE PRODUCTION IN TEA
NEELAKSHI BHATTACHARYYA, H. Ranjit Singh, Prasenjit Bhagwati, Chiranjana Borah, Sangeeta Borchetia, Niraj Agarwal, Priyadarshini Bhorali, Bornali Gohain, Raju Bharalee, Tirthankar Bandyopadhyay, Sushmita Gupta, Sourabh Kumar Das, Parveen Ahmed, and Sudripta Das

Caffeine (1,3,7-trimethyl xanthine), known to have sensory and stimulatory effects, causes adverse effects on health which has resulted in an increased demand for de-caffeinated tea. The transformants obtained by RNAi are being analysed for partial and complete knockdown of one or both the genes using RT-PCR and reduction in caffeine production estimated by HPLC.

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A FUNCTIONAL GENOMIC APPROACH TO ANALYZE HERBIVORY RELATED TRANSCRIPTS IN TEA
PARVEEN AHMED, Tirthankar Bandyopadhyay, Priyadarshini Bhorali, H. Ranjit Singh, Bornali Gohain, Raju Bharalee, Sushmita Gupta, Sourabh Kumar Das, Niraj Agarwal, Prasenjit Bhagwati, Neelakshi Bhattacharya, Sangeeta Borchetia and Sudripta Das

Tea Mosquito Bug (Helopeltis theivora Waterhouse) is one of the most dreaded tea pests of NE India causing a loss of 15-20 lakh kgs of made tea per year. SSR markers derived from stress associated ESTs were evaluated in a segregating population showing variable resistance to Helopeltis infestation. This approach would facilitate new methods of marker assisted selection (MAS) to efficiently breed superior Helopeltis resistant varieties.

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Dissecting molecular mechanisms related to blister blight resistance in tea: An EST approach
NIRAJ AGARWAL, Priyadarshini Bhorali, H. Ranjit Singh, Bornali Gohain, Raju Bharalee, Tirthankar Bandyopadhyay, Sushmita Gupta, Sourabh Kumar Das, Parveen Ahmed, Prasenjit Bhagwati, Neelakshi Bhattacharya, Sangeeta Borchetia and Sudripta Das

Blister blight (caused by Exobasidium vexans) is a destructive disease of tea (Camellia sinensis) in tea growing countries worldwide, that causes substantial losses. More than 10% of the transcripts were specifically induced in defence and/or signal transduction including master switch genes (transcription factors, kinases), R genes (NBS-LRR), phytohormone biosynthesis pathway genes, pathogenesis related genes and genes for antifungal peptides (chitinase, glucanase).

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Transcriptional and metabolic changes in drought tolerant potato expressing the TPS1 gene of yeast
Zsófia Juhász, Mihály Kondrák, Ferenc Marincs, Zsófia Bánfalvi

To increase drought tolerance of potato, transgenic plants expressing the trehalose-6-phosphate synthase (TPS1) gene of yeast were isolated. The transgenic potato plants exhibited improved drought tolerance, however, grow slower than the wild-type. To understand the molecular basis of this phenomenon, transcriptomes of the leaves of wild-type and TPS1-transgenic plants were analysed using a potato microarray. In addition, protein, starch, and sugar content of the leaves were investigated.

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Modelling the growth inhibition of common food spoilage and pathogenic micro-organisms in the presence of solvent extracts from Irish Crucifer vegetables
Shilpi Gupta, Amit K. Jaiswal, Nissreen Abu-Ghannam

Antimicrobial activity of Irish Brassica vegetables were evaluated against a number of food spoilage and pathogenic micro-organisms. Methanolic extracts from York Cabbage showed the best activity against Listeria monocyotgenes and Salmonella abony.

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Isothermal Equilibrium and Kinetic Study on the Adsorption of Copper (II) Ions by Dried Water Hyacinth Biomass (Eichhornia crassipes)
Riel Carlo O. Ingeniero, Teresita R. Perez

This study dealt with the determination of copper (Cu2+) ion adsorption capacity of dried roots and above ground vegetative structure of Eichhornia crassipes taken from Lake Palacpacquen in San Pablo, Laguna. Both the adsorption by roots and aerial portion fitted the Langmuir and Freundlich models suggesting that the biosorption mechanism is complex.

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Cows On Coke! Levamisole: A Livestock De-wormer in Cocaine
Michael Swerlowycz

A study was undertaken to determine the prevalence of levamisole where cocaine was detected in coronial specimens received at the Forensic Toxicology Laboratory. Cocaine-positive cases from January 2006 onwards were re-examined to determine the presence of levamisole. Recent specimens from the Drugs & Driving Laboratory were also examined in order to obtain comparison levamisole data from a range of living subjects

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The role of a light-upregulated NF-YB member in photosynthesis and development in Triticum aestivum

NF-Y TF is a heterotrimeric complex comprised of the three subunits: NF-YA, NF-YB and NF-YC. In plants each subunit is encoded by multiple genes with different mRNA expression profiles among plant organs, and in response to developmental and environmental stimuli.

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Showing Results 51 - 60 of 77
Scientific News
New Catalyst could Improve Production of Biofuels
Washington State University researchers have developed a new catalyst that could lead to making biofuels cheaply and more efficiently.
Eureka Genomics and VeriPrime Beef Cooperative Partner
Deal to develop molecular assays to better manage cattle health risk.
Producing Orange Corn Rich in Provitamin A
Improvement of carotenoid levels in corn a simpler, faster process for plant breeders.
Plant Variants Point the Way to Improved Biofuel Production
Manufacturing biofuels from food crop by-products such as straw could be made quicker and cheaper thanks to a new study led by scientists at the University of York.
Improving Korean Wheat
Dae Wook Kim learns genetic screening techniques to develop a line of Korean wheat.
Merck Animal Health to Market Neogen's Dairy Genomic Program
Agreement to market Neogen's Igenity® Dairy Heifer Program.
A Big Step Towards More Efficient Photosynthesis
For the first time flowering plants have been successfully engineered to fix carbon like the blue-green algae do - this can potentially increase photosynthesis and yields in crop plants.
Corn Spots: Study Finds Important Genes in Defense Response
A number of candidate genes have been identified that appear to control the defense response in corn.
Genetic Basis for Rabbit Domestication Revealed
Research presents key findings in the DNA make-up of the common mammal’s brain and nervous system, which determines how wild rabbits were genetically transformed to domestic rabbits.
Scientists Looking Across Human, Fly and Worm Genomes Find Shared Biology
Studies reveal powerful commonalities in biological activity and regulation among species.
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