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Rosetta Green Discovers New MicroRNA Gene Sequences That May Impact Environmental Stress Tolerance and Fertilizer Use Efficiency in Corn

REHOVOT, Israel, May 18, 2011 (GLOBE NEWSWIRE) -- Rosetta Green Ltd. ("Company") (TASE:RSTG), which develops improved crop traits for the agriculture and alternative fuel industries using unique genes called microRNAs, announced the discovery of new corn plant microRNA sequences that were identified through using its improved proprietary technology platform.

The Company has identified dozens of unique genes that may contribute to improved tolerance to environmental stress, including resistance to salinity and temperature; as well as increased fertilizer use efficiency. This follows the discovery and validation of unique genes related to resistance to drought stress. The Company has already validated a number of these genes by an experiment that demonstrated significantly improved tolerance and survival of plants subjected to drought stress, compared to the control group.

The Company continues to work on the discovery of additional microRNA sequences and the validation of their specific roles in other key processes in corn plants.

These unique microRNA genes will likely have significant commercial value since corn is one of the most common crops in the world, with its seeds being used for both human and animal consumption, as well as for production of alternative fuels (bio-ethanol). About half of global production of corn comes from the United States and other prominent countries including Japan, China, India, Brazil, Mexico and France. 

Dr. Rudy Maor, Rosetta Green's CTO said, "We believe that microRNA genes have a substantial advantage in the ability to improve various traits in plants, such as resistance to drought and disease. Rosetta Green is at the forefront of technology in this field.  Agriculture around the globe faces unprecedented challenges due to increased world population and rising standards of living, resulting in accelerating demand for food, fuel and fiber, as well as surging prices. Plants with improved traits can address some of these challenges." 

The market for agricultural biotechnology traits is growing.  Seed producers and farmers are looking for advanced biotechnology solutions to enable them to achieve high yields while reducing costs. In addition, there is a growing need for solutions in areas where water is limited.

The global bio-ethanol market is now estimated at approximately 80 billion liters, or about $25 billion. The market is expected to grow at an increasing rate in coming years due to the global shift from oil-based energy to alternative sources. 

About Rosetta Green

Rosetta Green Ltd. ( develops improved plant traits using innovative genes, microRNA, for use in the agriculture and biofuel industries. The Company specializes in the identification and use of these unique genes that function as "main bio-switches" to control key processes in major crops such as corn, wheat, rice, soybean, cotton, canola and algae. Rosetta Green's current trait development portfolio includes improved abiotic stress tolerance, increased yield, improved nitrogen use efficiency, improved cotton fiber quality, increased yield for canola and soybean, increased oil content in algae, castor bean and canola for the biofuel industry and improved algal traits for various industrial applications. Rosetta Green was formed in 2010 by the spin-off of the agro-biotechnology division of Rosetta Genomics Ltd (Nasdaq:ROSG), Rosetta Green completed an IPO on the Tel Aviv Stock Exchange in February 2011 (TASE:RSTG). For additional information please visit Rosetta Green's website at

The Rosetta Green logo is available at

This press release contains "forward-looking statements." These statements include words like "may," "expects," "believes," "scheduled," "potentially" and "intends," and they describe opinions about future events. These forward-looking statements involve known and unknown risks and uncertainties that may cause the actual results, performance or achievements of Rosetta Green Ltd. to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements.

CONTACT: Investor Relations
         Limor Zur-Stoller - CFO
         Research & Business Development
         Rudy Maor - CTO

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