c-di-GMP and diethylamine
(DEA) NONOate were
purchased from Cayman Chemical (Ann Arbor, MI). GMP and pGpG were
purchased from Sigma-Aldrich (St. Louis, MO) and BIOLOG Life Science
Institute (Bremen, Germany), respectively. All other chemicals were
acquired from Kanto Chemical (Tokyo, Japan), Nacalai Tesque (Kyoto,
Japan), or FUJIFILM Wako Pure Chemical Corporation (Osaka, Japan),
were of the highest guaranteed grade available, and were used without
further purification.
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