5 Works

Data from: Ants disinfect fungus-exposed brood by oral uptake and spread of their poison

Simon Tragust, Barbara Mitteregger, Vanessa Barone, Matthias Konrad, Line V. Ugelvig & Sylvia Cremer
To fight infectious diseases, host immune defences are employed at multiple levels. Sanitary behaviour, such as pathogen avoidance and removal, acts as a first line of defence to prevent infection [1] before activation of the physiological immune system. Insect societies have evolved a wide range of collective hygiene measures and intensive health care towards pathogen-exposed group members [2]. One of the most common behaviours is allogrooming, in which nestmates remove infectious particles from the body...

Data from: Sex at the margins: parthenogenesis vs. facultative and obligate sex in a Neotropical ant

Katrin Kellner, Jon N. Seal & Juergen Heinze
Geographic parthenogenesis is a distribution pattern, in which parthenogenetic populations tend to live in marginal habitats, at higher latitudes and altitudes and island-like habitats compared with the sexual forms. The facultatively parthenogenetic ant Platythyrea punctata is thought to exhibit this general pattern throughout its wide range in Central America and the Caribbean Islands. Workers of P. punctata from the Caribbean produce diploid female offspring from unfertilized eggs by thelytokous parthenogenesis, and mated females and males...

Data from: Genetic diversity in widespread species is not congruent with species richness in alpine plant communities

Pierre Taberlet, Niklaus E. Zimmermann, Thorsten Englisch, Andreas Tribsch, Rolf Holderegger, Nadir Alvarez, Harald Niklfeld, Zbigniew Mirek, Atte Moilanen, Wolfgang Ahlmer, Paolo Ajmone Marsan, Enzo Bona, Maurizio Bovio, Philippe Choler, Elżbieta Cieślak, Gheorghe Coldea, Licia Colli, Vasile Cristea, Jean-Pierre Dalmas, Božo Frajman, Luc Garraud, Myriam Gaudeul, Ludovic Gielly, Walter Gutermann, Nejc Jogan … & Karol Marhold
The Convention on Biological Diversity (CBD) aims at the conservation of all three levels of biodiversity, i.e. ecosystems, species and genes. Genetic diversity represents evolutionary potential and is important for ecosystem functioning. Unfortunately, genetic diversity in natural populations is hardly considered in conservation strategies because it is difficult to measure and has been hypothesized to co-vary with species richness. This means that species richness is taken as a surrogate of genetic diversity in conservation planning,...

Data from: Social transfer of pathogenic fungus promotes active immunisation in ant colonies

Matthias Konrad, Meghan L. Vyleta, Fabian J. Theis, Miriam Stock, Simon Tragust, Martina Klatt, Verena Drescher, Carsten Marr, Line V. Ugelvig & Sylvia Cremer
Due to the omnipresent risk of epidemics, insect societies have evolved sophisticated disease defences at the individual and colony level. An intriguing yet little understood phenomenon is that social contact to pathogen-exposed individuals reduces susceptibility of previously naive nestmates to this pathogen. We tested whether such social immunisation in Lasius ants against the entomopathogenic fungus Metarhizium anisopliae is based on active upregulation of the immune system of nestmates following contact to an infectious individual or...

Data from: Drosophila FoxP mutants are deficient in operant self-learning

Ezequiel Mendoza, Julien Colomb, Jürgen Rybak, Hans-Joachim Pflüger, Troy Zars, Constance Scharff & Björn Brembs
Intact function of the Forkhead Box P2 (FOXP2) gene is necessary for normal development of speech and language. This important role has recently been extended, first to other forms of vocal learning in animals and then also to other forms of motor learning. The homology in structure and in function among the FoxP gene members raises the possibility that the ancestral FoxP gene may have evolved as a crucial component of the neural circuitry mediating...

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