Solenopsis invicta piperidine venom alkaloids

Venoms from the fire ants Solenopsis invicta and 5. geminata are free of detectable histamine but possess histamine-release activity. This activity can account for the edema, itch, redness, warmth, and possibly the pain and burning sensations resulting from fire ant stings. And it can be attributed to the piperidines which constitute the major component of the venom. It has actually been proved that 6-methyl-2-n-undecylpiperidines (Ic and Id), components of S. geminata, possess the histamine-release activity (75). Due to some of the above-mentioned various activities the piperidine alkaloids play roles as defensive compounds. In addition to 2-alkyl-6-methylpiperidines, their N-methyl derivatives (3) are found in S. pergandei, S. carolinensis, and S. conjurata, and 1-piperideine derivatives (6 and 7) in S. sp. A (Puerto Rico) and S. xyloni (Table I). 

Li S, Jin X, Chen J. Effects of piperidine and piperideine alkaloids from the venom of red imported fire ant, Solenopsis invicta, on Phytium ultimum growth in vitro and the apphcation of piperidine alkaloids to control cucumber damping-off in the greenhouse. Pest Management Science 2012 68 1546-52. 

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See also in sourсe #XX -- [ , ]

See also in sourсe #XX -- [ , ]

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