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Study Led By Israeli Scientist Discovers Wild Wheat Genome Sequencing

“So she kept fast by the maidens of Boaz to glean unto the end of barley harvest and of wheat harvest; and she dwelt with her mother-in-law.” Ruth 2:23 (The Israel Bible™)

Wild emmer wheat spike (Photo: Raz Avni)

A global team of researchers has published the first-ever Wild Emmer wheat genome sequence in Science magazine (Wild emmer genome architecture and diversity elucidate wheat evolution and domestication).

Wild Emmer wheat is the original form of nearly all the domesticated wheat in the world, including durum (pasta) and bread wheat. Wild emmer is too low-yielding to be of use to farmers today, but it contains many attractive characteristics that are being used by plant breeders to improve wheat.

The study was led by Dr. Assaf Distelfeld of Tel Aviv University’s School of Plant Sciences and Food Security and Institute for Cereal Crops Improvement, in collaboration with several dozen scientists from institutions around the world and an Israel-based company, NRGene, which developed the bioinformatics technology that accelerated the research.

“This research is a synergistic partnership among public and private entities,” said Dr. Daniel Chamovitz, Dean of TAU’s George S. Wise Faculty of Life Sciences, who was also involved in the research. “Ultimately, this research will have a significant impact on global food security.”

“Our ability to generate the Wild Emmer wheat genome sequence so rapidly is a huge step forward in genomic research,” said Dr. Curtis Pozniak from the University of Saskatchewan, a project team member and Chair of the Canadian Ministry of Agriculture Strategic Research Program. “Wheat accounts for almost 20% of the calories humans consume worldwide, so a strong focus on improving the yield and quality of wheat is essential for our future food supply.”

“From a biological and historical viewpoint, we have created a ‘time tunnel’ we can use to examine wheat from before the origins of agriculture,” said Dr. Distelfeld. “Our comparison to modern wheat has enabled us to identify the precise genes that allowed domestication – the transition from wheat grown in the wild to modern day varieties. While the seeds of wild wheat readily fall off the plant and scatter, a change in two genes meant that in domesticated wheat, the seeds remained attached to the stalk; it is this trait that enabled humans to harvest wheat.”

“This new resource allowed us to identify a number of other genes controlling main traits that were selected by early humans during wheat domestication and that served as foundation for developing modern wheat cultivars,” said Dr. Eduard Akhunov of Kansas State University. “These genes provide invaluable resource for empowering future breeding efforts. Wild Emmer is known as a source of novel variation that can help to improve the nutritional quality of grain as well as tolerance to diseases and water-limiting conditions.”

“New genomic tools are already being implemented to identify novel genes for wheat production improvement under changing environment,” explains Dr. Zvi Peleg of the Hebrew University of Jerusalem, Israel. “While many modern wheat cultivars are susceptible to water stress, Wild Emmer has undergone a long evolutionary history under the drought-prone Mediterranean climate. Thus, utilization of the wild genes in wheat breeding program promote producing more yield for less water.”

“The wheat genome is much more complex than most of the other crops and has a genome three times the size of a human genome.” said Dr. Gil Ronen, NRGene’s CEO. “Still, the computational technology we developed has allowed us to quickly assemble the very large and complex genome found in Wild Emmer’s 14 chromosomes, to a standard never achieved before in genomic studies.”

For the first time, the sequences of the 14 chromosomes of wild emmer wheat are collapsed into a refined order, thanks to additional technology that utilizes DNA and protein links. “It was originally tested in humans and recently demonstrated in barley, both of which have smaller genomes than Wild Emmer wheat.” says Dr. Nils Stein, the Head of Genomics of Genetic Resources at Leibniz Institute of Plant Genetics and Crop Plant Research in Germany. “These innovative technologies have changed the game in assembling the large cereal genomes,”

“This sequencing approach used for Wild Emmer wheat is unprecedented and has paved the way to sequence durum wheat (the domesticated form of Wild Emmer). Now we can better understand how humanity transformed this wild plant into a modern, high-yielding durum wheat,” said Dr. Luigi Cattivelli, coauthor of the work and coordinator of the International Durum Wheat Genome Sequencing Consortium.

“We now have the tools to study crops directly and to make and apply our discoveries more efficiently than ever before,” concluded Dr. Distelfeld.

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Poland to Purchase Israeli Missiles in New US Defense Deal

“And David put his hand in his bag, and took thence a stone, and slung it, and smote the Philistine in his forehead; and the stone sank into his forehead, and he fell upon his face to the earth.” I Samuel 17:49 (The Israel Bible™)

A David’s Sling system test in December 2015. (Photo: United States Missile Defense Agency)

A deal for Poland to purchase eight U.S. Patriot missile batteries is slated to include interceptor missiles from Israel’s David’s Sling missile defense system.

The deal—worth upwards of $7.6 billion—will be finalized in November, and was announced last Thursday by Poland’s Defense Minister Antoni Macierewicz during President Donald Trump’s visit to Warsaw.

“A memorandum was signed tonight that the U.S. government has agreed to sell Poland Patriot missiles in the most modern configuration,” Macierewicz said.

The agreement will see Poland acquire the Patriot missile batteries from the American weapons contractor Raytheon. At Poland’s request, Israel’s David’s Sling missiles, developed and manufactured by the Israeli defense contractor Rafael, will replace the U.S. Patriot missiles due to the Israeli missiles’ superior performance and substantially lower cost. While a Patriot missile costs $4.5 million, a David’s Sling missile costs $450,000. Rafael is expected to make around $1 billion from the deal.

Further, at Poland’s request, Raytheon agreed to manufacture the missiles in Poland with the approval of Israel’s Defense Ministry and the U.S. Defense Department. Poland will also purchase some American interceptor missiles to speed up the defense system’s deployment while the Israeli missiles are integrated into the Patriot system.

The David’s Sling system is jointly developed and funded by the U.S. and Israel, and is designed to intercept mid-to-long-range ballistic missiles with ranges from 25-190 miles.

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