Results 21 to 30 of about 823 (164)

Antibacterial properties of contact defensive secretions in neotropical Crematogaster ants

Journal of Venomous Animals and Toxins including Tropical Diseases, 2012
Crematogaster ants use their contact venoms to compete with other ants. Although those venoms are used primarily as repellent and toxic secretions, they may have other functions.
Y Quinet, RHSF Vieira, MR Sousa, NS Evangelista-Barreto, FCT Carvalho, MIF Guedes, CR Alves, JC de Biseau, A Heredia   +8 more
doaj   +1 more source

It Takes Two: Dimerization Is Essential for the Broad-Spectrum Predatory and Defensive Activities of the Venom Peptide Mp1a from the Jack Jumper Ant Myrmecia pilosula

Biomedicines, 2020
Ant venoms have recently attracted increased attention due to their chemical complexity, novel molecular frameworks, and diverse biological activities.
Samantha A. Nixon, Zoltan Dekan, Samuel D. Robinson, Shaodong Guo, Irina Vetter, Andrew C. Kotze, Paul F. Alewood, Glenn F. King, Volker Herzig   +8 more
doaj   +1 more source

Venom of the giant ant Dinoponera quadriceps attenuates inflammatory pain in mouse cutaneous wound healing model

Acta Scientiarum: Biological Sciences, 2022
Arthropod venoms are potential sources of bioactive substances, providing tools for the validation of popular use and new drugs design. Ants belonging to the genus Dinoponera are used in the folk medicine to treat inflammatory conditions.
Ana Maria Sampaio Assreuy, Beatriz Lima Adjafre, Évilla Rayanne Oliveira Sousa, Ana Paula Negreiros Nunes Alves, Alana de Freitas Pires, Yves Quinet, Mário Rogério Lima Mota   +6 more
doaj   +1 more source

Identification and Functional Characterization of a Novel Insecticidal Decapeptide from the Myrmicine Ant Manica rubida

Toxins, 2019
Ant venoms contain many small, linear peptides, an untapped source of bioactive peptide toxins. The control of agricultural insect pests currently depends primarily on chemical insecticides, but their intensive use damages the environment and human ...
John Heep, Marisa Skaljac, Jens Grotmann, Tobias Kessel, Maximilian Seip, Henrike Schmidtberg, Andreas Vilcinskas   +6 more
doaj   +1 more source

Peptidomic investigation of Neoponera villosa venom by high-resolution mass spectrometry: seasonal and nesting habitat variations

Journal of Venomous Animals and Toxins including Tropical Diseases, 2018
Background: Advancements in proteomics, including the technological improvement in instrumentation, have turned mass spectrometry into an indispensable tool in the study of venoms and toxins.
Camila Takeno Cologna, Renata Santos Rodrigues, Jean Santos, Edwin de Pauw, Eliane Candiani Arantes, Loïc Quinton   +5 more
doaj   +1 more source

Effects of the Argentine ant venom on terrestrial amphibians [PDF]

Conservation Biology, 2020
Abstract Invasive species have major impacts on biodiversity and are one of the primary causes of amphibian decline and extinction. Unlike other top ant invaders that negatively affect larger fauna via chemical defensive compounds, the Argentine ant ( Linepithema humile ...
Paloma Alvarez‐Blanco, Xim Cerdá, Abraham Hefetz, Raphaël Boulay, Alejandro Bertó‐Moran, Carmen Díaz‐Paniagua, Alain Lenoir, Johan Billen, H. Christoph Liedtke, Kamlesh R. Chauhan, Ganga Bhagavathy, Elena Angulo   +11 more
openaire   +3 more sources

Hymenoptera venom review focusing on Apis mellifera

Journal of Venomous Animals and Toxins including Tropical Diseases, 2003
Hymenoptera venoms are complex mixtures containing simple organic molecules, proteins, peptides, and other bioactive elements. Several of these components have been isolated and characterized, and their primary structures determined by biochemical ...
P. R. de Lima, M. R. Brochetto-Braga
doaj   +1 more source

Shedding Lights on Crude Venom from Solitary Foraging Predatory Ant Ectatomma opaciventre: Initial Toxinological Investigation

Toxins, 2022
Some species of primitive predatory ants, despite living in a colony, exercise their hunting collection strategy individually; their venom is painful, paralyzing, digestive, and lethal for their prey, yet the toxins responsible for these effects are ...
Lucas Ian Veloso Correia, Fernanda Van Petten de Vasconcelos Azevedo, Fernanda Gobbi Amorim, Sarah Natalie Cirilo Gimenes, Lorena Polloni, Mariana Alves Pereira Zoia, Mônica Soares Costa, Jéssica Peixoto Rodrigues, Kelly A. Geraldo Yoneyama, Jean Carlos Santos, Eliane Candiani Arantes, Veridiana de Melo Rodrigues, Luiz Ricardo Goulart, Renata Santos Rodrigues   +13 more
doaj   +1 more source

The Venom and Poison Glands of Pseudomyrmex Pallidus (F. Smith)

Psyche: A Journal of Entomology, 1963
In the United States. the small subfamily Pseudomyrmicinae is represented by several species which are known to sting severely. Probably the most common species in the southeastern area is Pseudomyrmex pallidus (F. Smith).
Murray S. Blum, Philip S. Callahan
doaj   +1 more source

Anti-inflammatory activities of arthropod peptides: a systematic review

Journal of Venomous Animals and Toxins including Tropical Diseases, 2021
Peptides obtained from different animal species have gained importance recently due to research that aims to develop biopharmaceuticals with therapeutic potential.
Ariane Teixeira dos Santos, Gabriela Silva Cruz, Gandhi Rádis Baptista   +2 more
doaj   +1 more source