Results 141 to 150 of about 203,529 (196)
Toxicon, 2023 The genus Odontomachus is widely distributed in neotropical areas throughout Central and South America. It is a stinging ant that subdues its prey (insects) by injecting them a cocktail of toxic molecules (venom).
Veridiana de Melo Rodrigues +2 more
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Combined Peptidomic and Proteomic Analysis of Electrically Stimulated and Manually Dissected Venom From the South American Bullet Ant Paraponera clavata [PDF]
Journal of Proteome Research, 2017 Ants have evolved venoms rich in peptides and proteins used for predation, defense, and communication. However, they remain extremely understudied due to the minimal amount of venom secreted by each ant.
Petitclerc Frédéric +2 more
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Fire Ants Feed Their Nestmates with Their Own Venom
SSRN Electronic Journal, 2022Venom secretion is widely used by ants for disease control and more generally as an external surface disinfectant. Here we report evidence that Solenopsis invicta feed their nestmates with their own venom. Venom alkaloids were found in crops and midguts of ants at concentration levels that have previously been reported as effective against various ...
Jian, Chen, Yuzhe, Du
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Venom chemistry of ants in the genusMonomorium
Journal of Chemical Ecology, 1982A comparative analysis of the venomous alkaloids produced by ant species in the subgenusMonomorium of the genusMonomorium has been undertaken. All species produce mixtures of unsymmetricaltrans-2,5-dialkylpyrrolidines, but the proportions of the constituents may vary considerably between species.
T H, Jones +6 more
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Fractionation of bulldog ant venom
Toxicon, 1974Abstract The venom of an Australian Bulldog Ant, Myrmecia pyriformis, has been fractionated by means of low voltage starch gel electrophoresis and gel filtration on Sephadex G50 and G75 columns. The aims of the study were (a) to establish whether the biological activities which had previously been described resided in separate venom components, and ...
J C, Wanstall, I S, de la Lande
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Kinins in ant venoms—A comparison with venoms of related hymenoptera
Comparative Biochemistry and Physiology Part C: Comparative Pharmacology, 19891. Venom preparations have been made of six ant, one pompilid wasp, two mutillid wasp, and four social wasp species. 2. The venoms were analysed pharmacologically in order to detect kinin-like activity. 3. Due to the small amounts of venoms available only a cascade of smooth muscle preparation could be used. 4.
Piek, T. +3 more
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Deciphering the Molecular Diversity of an Ant Venom Peptidome Through a Venomics Approach
Journal of Proteome Research, 2018The peptide toxins in the venoms of small invertebrates such as stinging ants have rarely been studied due to the limited amount of venom available per individual. We used a venomics strategy to identify the molecular diversity of the venom peptidome for the myrmicine ant Tetramorium bicarinatum.
Benjamin Lefranc +2 more
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A Harvester Ant Venom: Chemistry and Pharmacology
Science, 1978The mammalian toxicity of the potently algogenic venom of the ant Pogonomyrmex badius is greater than that reported for any other insect venom. This enzyme-rich venom contains high concentrations of phospholipase A 2 and B, hyaluronidase, acid phosphatase, lipase, and esterases.
J O, Schmidt, M S, Blum
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Chemistry of venom alkaloids in the ant genusMegalomyrmex
Journal of Chemical Ecology, 1991Chemical 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 +4 more
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Prevention of anaphylaxis with ant venom immunotherapy
Current Opinion in Allergy and Clinical Immunology, 2003Worldwide, eight genera of ants have been associated with sting allergy. Until recently only whole ant body extracts have been used for immunotherapy. The purpose of this review is to examine recent advances in the understanding of ant venom allergy and treatment using venom immunotherapy.Public health problems due to severe ant sting anaphylaxis are ...
Simon G A, Brown, Robert J, Heddle
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