Modulation of plant ethylene levels by the bacterial enzyme ACC deaminase.
Soil microorganisms that produce the enzyme 1-aminocyclopropane-1-carboxylate (ACC) deaminase promote plant growth by sequestering and cleaving plant-produced ACC, and thereby lowering the level of ethylene in the plant. Decreased ethylene levels allows the plant to be more resistant to a wide variety of environmental stresses. Here, the biochemistry of ACC deaminase; the environmental distribution, regulation, evolution and expression of ACC deaminase genes; and information regarding the effect of this enzyme on different plants is documented and discussed.
Glick
Bernard R
BR
Department of Biology, University of Waterloo, Waterloo, Ont., Canada N2L 3G1. glick@sciborg.uwaterloo.ca
D001419:Bacteria / Q000201:enzymology* / Q000235:genetics; D019755:Carbon-Carbon Lyases / Q000235:genetics* / Q000378:metabolism*; D005030:Ethylenes / Q000378:metabolism*; D063245:Plant Development; D010944:Plants / Q000201:enzymology / Q000378:metabolism* / Q000382:microbiology*
D005030:Ethylenes; C036216:ethylene; C033634:1-aminocyclopropane-1-carboxylate deaminase; D019755:Carbon-Carbon Lyases