Results 161 to 170 of about 2,308 (193)

Venom and Venom Apparatus of the Bull Ant, Myrmecia gulosa (Fabr.)

Science, 1964
The venom of Myrmecia gulosa (Myrmeciinae, Formicidae) is of a proteinaceous type and is separated by electrophoresis into eight components. The venom contains histamine, a hyaluronidase, and a direct hemolytic factor. It also shows kinin-like activity.
G W, CAVILL, P L, ROBERTSON, F B, WHITFIELD   +2 more
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The chemistry of fire ant venom

Tetrahedron, 1971
Abstract Five alkaloids, three trans-2-methyl-6-alkylpiperidines, and two unsaturated analogues, have been identified in the venom of the red form of the fire ant, Solenopsis saevissima. The compounds are represented by the structural formulae I–V. Each has been prepared synthetically.
J.G. MacConnell, M.S. Blum, H.M. Fales
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Alkaloid from Fire Ant Venom: Identification and Synthesis

Science, 1970
An alkaloid, trans -2-methyl-6- n -undecylpiperidine (solenopsin A), has been isolated from the venom of the fire ant Solenopsis saevissima . The structure has been confirmed by an unambiguous synthesis.
J G, Macconnell, M S, Blum, H M, Fales
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Fire ant venoms: Comparative analyses of alkaloidal components

Toxicon, 1972
Abstract The chemistry of the venom alkaloids of Solenopsis geminata, S. xyloni and the red and black forms of S. saevissima was investigated. All four forms have a venom composition characterized by the presence of various 2,6-disubstituted piperidines in amounts distinctive of the form. The alkaloids of the red and black forms mainly contain an
J M, Brand, M S, Blum, H M, Fales, J G, MacConnell   +3 more
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Linear antimicrobial peptides from Ectatomma quadridens ant venom

Biochimie, 2014
Venoms from three poneromorph ant species (Paraponera clavata, Ectatomma quadridens and Ectatomma tuberculatum) were investigated for the growth inhibition of Gram-positive and Gram-negative bacteria. It was shown that the venom of E. quadridens and its peptide fraction in particular possess marked antibacterial action.
Kirill A, Pluzhnikov, Sergey A, Kozlov, Alexander A, Vassilevski, Olga V, Vorontsova, Alexei V, Feofanov, Eugene V, Grishin   +5 more
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Ant Venom Peptidome

2020
The present invention deals with isolated venom peptide precursors comprising a prepropeptide sequence selected from the group consisting of SEQ ID No. 1, SEQ ID No. 2, SEQ ID No. 3, SEQ ID No. 4, SEQ ID No. 95 or SEQ ID No. 96 and a mature peptide.
Treilhou, Michel, Bonnafe, Elsa, Touchard, Axel, Leprince, Jérôme   +3 more
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Protein components of fire ant venom (Solenopsis invicta)

Toxicon, 1979
Abstract H. Baer , T.-Y. Liu , M. C. Anderson , M. Blum , W. H. Schmid and F. J. James . Protein components of fire ant venom ( Solenopsis invicta ), Toxicon 17, 397–405, 1979.—Venom of the fire ant ( Solenopsis invicta ), long thought to contain only alkaloids, is shown to contain proteins, which undoubtedly accounts for the induction of ...
H, Baer, T Y, Liu, M C, Anderson, M, Blum, W H, Schmid, F J, James   +5 more
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Ant Venoms: A Study of Venom Diversity

1978
Ant venoms appear to represent an almost untapped reservoir of information capable of adding several exciting chapters to the story of toxinology. Ants share with some bees and wasps the distinction of being the only truly social group of venomous animals. This fact implies that most of the venomous individuals belong to an essentially sterile class of
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Chemistry of venom alkaloids in the ant genusMegalomyrmex

Journal of Chemical Ecology, 1991
Chemical analyses of three species in the Neotropical ant genusMegalomyrmex have identified this taxon as the third myrmicine genus to produce alkaloids as major venom products. Workers ofM. leoninus and workers and ergatoids ofM. goeldii produce one or more of fourtrans-2,5-dialkylpyrrolidines previously identified in other myrmicine genera.M ...
T H, Jones, M S, Blum, H M, Fales, C R, Brandão, J, Lattke   +4 more
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Proteomic analysis of Myrmecia pilosula (jack jumper) ant venom

Toxicon, 2006
Ant sting allergy in Australia is predominantly due to the Myrmecia pilosula species complex. Gel separation of M. pilosula venom is necessary so that the allergenic importance of each component can be defined by western blotting. However, previous PAGE methods produced suboptimal resolution and the components of each band were not precisely defined ...
Wiese, Michael D, Chataway, Timothy Kennion, Davies, Noel W, Milne, Robert W, Brown, Simon G A, Gai, Wei Ping, Heddle, Robert John   +6 more
openaire   +4 more sources