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1 A. 1B. Representative picture of germinating seeds which were sterilized with 0.1% H 2 O 2 for 60 min. Representative picturesof germinating seeds of barley on vertical plates which were sterilized with 0.1% H 2 O 2 and 0.1% HClO4 for 60 min. 1C.
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1 A 1B Representative picture of germinating seeds which were sterilized with 0.1% H2O2 for 60 min Representative picturesof germinating seeds of barley on vertical plates which were sterilized with 0.1% H2O2and 0.1% HClO4 for 60 min 1C Plating of aliquots of mitochondria did not lead to bacterial growth confirming there is no bacteria (if present) copurified from mitochondria
Fluorescence (A.U.) Supplementary fig 1: Apparent NOS activity in mitochondria as indicated by DAF fluorescence. Mitochondria isolated from sterile roots were incubated for 30 min in the presence of DAF-2 10µM and substrates or inhibitors as indicated (500 µM cPTIO, or 1 mM NADPH, 2 mM L-Arg and NOS inhibitor 5 mM L-NMMA.