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6 results for “Cataglyphis cursor”
Microsatellite data of the paper "A putatively new ant species from the Cataglyphis cursor group displays low levels of polyandry with standard sexual reproduction"
<p>Fifty colonies of the ant Cataglyphis cursor were sampled at their nest entrance in two localities separated by 79km in the plain of Avila, west of Madrid, in July 2015 for Salobralejo (27 colonies) and in April 2014 for Castrillo de Guareña (23 colonies). Only workers near the nest entrance were collected. In Salobralejo, we also collected nine gynes at the nest entrance in three colonies. After collection, the individuals were preserved in 95% Ethanol (with 5% Tris-EDTA). From the 50 colonies sampled, we genotyped a single worker per colony for 37 colonies (Table S1). For the other 13 colonies, 114 workers were collected and genotyped to assess the colony genetic structure (86 workers from nine colonies in Salobralejo and 28 workers from four colonies in Castrillo). We also genotyped the nine gynes found in three colonies in Salobralejo. A total of 160 individuals were screened for thirteen microsatellite loci used by Eyer et al. (2023) and two supplementary loci (L76 and L3653) were amplified. The L26 locus was excluded because of amplification failures in nine individuals (18% of samples) and a highly significant Hardy-Weinberg disequilibrium (<em>P</em> < 00001 for both sites). </p> <p>The file contain the locality (Salobralejo or Castrillo), the colony number and individual identification number (code), the caste (worker or gyne). For each locus, the two alleles are provided and characterised by their size. </p>
Data from: Facultative use of thelytokous parthenogenesis for queen production in the polyandrous ant Cataglyphis cursor
The evolutionary paradox of sex remains one of the major debates in evolutionary biology. The study of species capable of both sexual and asexual reproduction can elucidate factors important in the evolution of sex. One such species is the ant Cataglyphis cursor, where the queen maximises the transmission of her genes by producing new queens (gynes) asexually while simultaneously maintaining a genetically diverse workforce via the sexual production of workers. We show that the queen can also produce gynes sexually, and may do so to offset the costs of asexual reproduction. We genotyped 235 gynes from 18 colonies, and found that half were sexually produced. A few colonies contained both sexually and asexually produced gynes. While workers in this species can also use thelytoky, we found no evidence of worker production of gynes based on genotypes of 471 workers from the six colonies producing sexual gynes. Gynes are thus mainly, and potentially exclusively, produced by the queen. Simulations of gynes inbreeding level following one to ten generations of automictic thelytoky suggest that the queen switches between or combines thelytoky and sex, which may reduce the costs of inbreeding. This is supported by the relatively small size of inbred gynes in one colony, though we found no relationship between the level of inbreeding and immune parameters. Such facultative use of sex and thelytoky by individual queens contrasts with other known forms of parthenogenesis in ants, which are typically characterised by distinct lineages specialising in one strategy or the other.
Data from: Variation in patriline reproductive success during queen production in orphaned colonies of the thelytokous ant Cataglyphis cursor
In genetically diverse insect societies (polygynous or polyandrous queens), the production of new queens can set the ground for competition among lineages. This competition can be very intense when workers can reproduce using thelytoky as worker patrilines that manage to produce new queens gain a huge benefit. Selection at the individual level might then lead to the evolution of cheating genotypes, i.e. genotypes that reproduce more than their fair share. We studied the variation in reproductive success among worker patrilines in the thelytokous and highly polyandrous ant Cataglyphis cursor. Workers produce new queens by thelytoky in orphaned colonies. The reproductive success of each patriline was assessed in 13 orphaned colonies using genetic analysis of 433 workers and 326 worker-produced queens. Our results show that patrilines contributed unequally to queen production in half of the colonies and the success of patrilines was function of their frequencies in workers. However, over all colonies we observed a significant difference in the distribution of patrilines between workers and worker-produced queens, and this difference was significant in three out of 13 colonies. In addition, six colonies contained a low percentage of foreign workers (drifters) and in one colony they produced a disproportionably high number of queens. Hence, we found some evidence for the occurrence of rare cheating genotypes. Nevertheless, cheating appears to be less pronounced than in the Cape Honey bee, a species with a similar reproductive system. We argue that worker reproduction by parthenogenesis might not be common in natural populations of C. cursor.
Data on mating experiment in the ant Cataglyphis cursor, Doums et al. V2
<p>The data set is the raw data of a submitted paper 'Differential worker aggression of males from varied origin supports outbreeding avoidance in a low dispersing ant". The experimental design is described in the manuscript. But briefly, dyadic choice tests were performed using the ant <em>Cataglyphis cursor</em>. A young queen were given two males, one from the same population (sympatric) and one from a different population (allopatric) in absence and presence of workers. The number of mating attempts, matings and their duration and the duration of workers aggression were measured. </p> <p>In this new V2 version, we provide the frequency of mating attempts per minute to account for a different set-up (some tests lasted five minutes and other ten minutes). In the V1, we estimated the number of mating attempts only on the first five minutes of the tests (for the tests lasting 10 minutes). </p> <p>Variables descriptions are provided in the file. </p> <p> </p>
Data from: Facultative use of thelytokous parthenogenesis for queen production in the polyandrous ant Cataglyphis cursor
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Data from: Variation in patriline reproductive success during queen production in orphaned colonies of the thelytokous ant Cataglyphis cursor
Open the record for dataset details and reuse information.
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