(Adds details of call, previous DENISON, Texas)

WASHINGTON, July 15 (Reuters) - President Barack Obama telephoned Russian President Vladimir Putin on Wednesday to thank him for his part in the recent nuclear deal with Iran, the White House said.

"The President thanked President Putin for Russia's important role in achieving this milestone, the culmination of nearly 20 months of intense negotiations," the White House said in a statement.

It added that Obama and Putin agreed to remain in close touch as the Iran deal is implemented and would work together to reduce tensions in the Middle East, particularly in Syria.

Russia was one of the six major powers that negotiated the deal reached with Iran on Tuesday in Vienna. The others were the United States, Germany, the European Union, China, Britain and France. (Reporting by Julia Edwards in Denison, Texas, and Sandra Maler in Washington; Editing by Peter Cooney)

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