Preliminary studies on the mechanisms of action of phosphonic analogues of morphactins on plants and bacteria |
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| Authors: | H Sztajer E Zboińska I Zbyryt J Kleleczawa B Lejczak P Kafarski |
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| Institution: | (1) Institute of Organic and Physical Chemistry, Technical University of Wroclaw, Poland;(2) Institute of Biochemistry, University of Wroclaw, 50-137 Wroclaw, Poland |
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| Abstract: | Two classes of phosphonopeptides, those containing P-terminal 9-aminofluoren-9-ylphos-phonic acid and those of dialkyl 9-aminofluoren-9-ylphosphine
oxides, influence plant growth according to different mechanisms. The effect of these compounds on the growth of several bacterial
species, including the photosynthetic bacteriumRhodospirillum rubrum, as well as on the activity of photosystems 1 and 2 in isolatedPisum sativum andSpirodela oligorrhiza chloroplasts was studied. The peptides of free, unblocked 9-aminofluoren-9-ylphosphonic acid acted in a morphactin-like manner,
whereas those of dialkyl 9-aminofluoren-9-ylphosphine oxides influenced photosynthesis indirectly. |
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| Keywords: | Pisum sativum L Spirodela oligorrhiza (Kurz ) Hegelm Bacilllus subtilis PCM 1949 Escherichia coli PCM 2057 Micrococcus luteus PCM 1944 Serratia marcescens PCM 549 Rhodospirillum rubrum phosphonopeptides photosynthesis |
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