They note that while the researchers' letter pledges that the work will not be patented or owned by any private company, "only a large agrochemical company would have the infrastructure to make the GM wheat commercially available".
I met with Commander Salva Kiir Mayardit, who handed me a letter pledging to UNICEF that all children under the age of 18 would be demobilized from the ranks of the SPLA.
In May, all but three of the 29 Senate Democrats signed a "Dear Colleague" letter pledging support for a bill that would repeal vacancy decontrol for rent-stabilized and rent-controlled apartments and bring additional units under rent regulation.
The bosses of Asda, Diageo, Marks & Spencer and Durex condoms maker SSL International were among 35 business chiefs who signed a letter last week pledging that the corporate world was "more than capable" of soaking up those who are turned out into the cold.
She had reportedly written a letter pledging allegiance to Isis.
Labour dismissed the letter, pledging to lower business rates for smaller firms.
Later on during his two hour-plus press conference, Mr Ahmadinejad said the British government had sent a letter to Iran's foreign ministry pledging that incursions "will not happen again".
But Diebold earned itself a black eye when its chairman, Walden O'Dell, sent a fundraising letter in August to Ohio Republicans, pledging that he is "committed to helping Ohio deliver its electoral votes to the president next year".
In the letter, Cook outlines Apple's efforts to shift to renewable energy and cut back on the mining of rare earth materials, pledging that "today's development will have no impact on Apple's efforts to protect the environment".
After systematic voter registration of eligible voters, it distributed "pledge to vote" letters to primary and secondary schoolchildren across the state that said: "Dad and mom have taken care of my education and now they will take care of India's democracy by pledging that they will vote during elections".
