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Sexually reproducing organisms face a strong selective pressure to find a mate and ensure reproduction. An important criterion during mate-selection is to avoid closely related individuals and subsequent potential fitness costs of resulting inbred offspring. Inbreeding avoidance can be active through kin recognition during mate choice, or passive through differential male and female-biased sex ratios, which effectively prevents sib-mating.
View Article and Find Full Text PDFSupergroup F in terrestrial isopods: Horizontal transmission from termites?
Evol Ecol
January 2021
Departamento de Zoologia, Laboratório de Carcinologia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Bairro Agronomia, Porto Alegre, Rio Grande Do Sul CEP 91501-970 Brazil.
Unlabelled: Horizontal transmission between distantly related species has been used to explain how infect multiple species at astonishing rates despite the selection for resistance. Recently, a terrestrial isopod species was found to be infected by an unusual strain of supergroup F . However, only of supergroup B is typically found in isopods.
View Article and Find Full Text PDFComparative screening of endosymbiotic bacteria associated with the asexual and sexual lineages of the termite .
Commun Integr Biol
March 2019
School of Life and Environmental Sciences, University of Sydney, Sydney, NSW 2006, Australia.
Males provide opportunities both for sexual reproduction and for sex-based phenotypic differences within animal societies. In termites, the ubiquitous presence of both male and female workers and soldiers indicate that males play a critical role in colonies of these insects. However, we have recently reported all-female asexual societies in a lineage of the termite - a dramatic transition from mixed-sex to all-female asexual societies.
View Article and Find Full Text PDFBacteriome-associated Wolbachia of the parthenogenetic termite Cavitermes tuberosus.
FEMS Microbiol Ecol
February 2019
Evolutionary Biology & Ecology, Université libre de Bruxelles, Avenue F.D. Roosevelt 50, CP 160/12, B-1050 Brussels, Belgium.
Wolbachia has deeply shaped the ecology and evolution of many arthropods, and interactions between the two partners are a continuum ranging from parasitism to mutualism. Non-dispersing queens of the termite Cavitermes tuberosus are parthenogenetically produced through gamete duplication, a mode of ploidy restoration generally induced by Wolbachia. These queens display a bacteriome-like structure in the anterior part of the mesenteron.
View Article and Find Full Text PDFVariations in the relative abundance of Wolbachia in the gut of Nasutitermes arborum across life stages and castes.
FEMS Microbiol Lett
April 2018
Research Group Insect Gut Microbiology and Symbiosis, Max Planck Institute for Terrestrial Microbiology, Karl-von-Frisch-Strasse 10, 35043 Marburg, Germany.
There are multiple forms of interactions between termites and bacteria. In addition to their gut microbiota, which has been intensively studied, termites host intracellular symbionts such as Wolbachia. These distinct symbioses have been so far approached independently and mostly in adult termites.
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