Genetic innovations in animal–microbe symbioses
Animal hosts have initiated myriad symbiotic associations with microorganisms and often
have maintained these symbioses for millions of years, spanning drastic changes in …
have maintained these symbioses for millions of years, spanning drastic changes in …
Diversity and function of arthropod endosymbiont toxins
JH Massey, ILG Newton - Trends in Microbiology, 2022 - cell.com
Bacterial endosymbionts induce dramatic phenotypes in their arthropod hosts, including
cytoplasmic incompatibility, feminization, parthenogenesis, male killing, parasitoid defense …
cytoplasmic incompatibility, feminization, parthenogenesis, male killing, parasitoid defense …
Unconventional structure and mechanisms for membrane interaction and translocation of the NF-κB-targeting toxin AIP56
J Lisboa, C Pereira, RD Pinto, IS Rodrigues… - Nature …, 2023 - nature.com
Bacterial AB toxins are secreted key virulence factors that are internalized by target cells
through receptor-mediated endocytosis, translocating their enzymatic domain to the cytosol …
through receptor-mediated endocytosis, translocating their enzymatic domain to the cytosol …
Defensive symbionts and the evolution of parasitoid host specialization
C Vorburger - Annual Review of Entomology, 2022 - annualreviews.org
Insect host–parasitoid interactions abound in nature and are characterized by a high degree
of host specialization. In addition to their behavioral and immune defenses, many host …
of host specialization. In addition to their behavioral and immune defenses, many host …
An aphid symbiont confers protection against a specialized RNA virus, another increases vulnerability to the same pathogen
CHV Higashi, WL Nichols, G Chevignon… - Molecular …, 2023 - Wiley Online Library
Insects often harbour heritable symbionts that provide defence against specialized natural
enemies, yet little is known about symbiont protection when hosts face simultaneous threats …
enemies, yet little is known about symbiont protection when hosts face simultaneous threats …
Mobile elements create strain‐level variation in the services conferred by an aphid symbiont
Heritable, facultative symbionts are common in arthropods, often functioning in host defence.
Despite moderately reduced genomes, facultative symbionts retain evolutionary potential …
Despite moderately reduced genomes, facultative symbionts retain evolutionary potential …
Co-obligate symbioses have repeatedly evolved across aphids, but partner identity and nutritional contributions vary across lineages
A Manzano-Marín, A Coeur d'acier… - Peer Community …, 2023 - peercommunityjournal.org
Aphids are a large family of phloem-sap feeders. They typically rely on a single bacterial
endosymbiont, Buchnera aphidicola, to supply them with essential nutrients lacking in their …
endosymbiont, Buchnera aphidicola, to supply them with essential nutrients lacking in their …
Bacteriophages roam the wheat phyllosphere
The phyllosphere microbiome plays an important role in plant fitness. Recently,
bacteriophages have been shown to play a role in shaping the bacterial community …
bacteriophages have been shown to play a role in shaping the bacterial community …
Toxin-mediated protection against natural enemies by insect defensive symbionts
KM Oliver, SJ Perlman - Advances in insect physiology, 2020 - Elsevier
All organisms have evolved a wide range of strategies to protect against natural enemies,
from complex avoidance behaviours to sophisticated immune systems, and insects are no …
from complex avoidance behaviours to sophisticated immune systems, and insects are no …
Evolutionary genomics of APSE: a tailed phage that lysogenically converts the bacterium Hamiltonella defensa into a heritable protective symbiont of aphids
Background Most phages infect free-living bacteria but a few have been identified that infect
heritable symbionts of insects or other eukaryotes. Heritable symbionts are usually …
heritable symbionts of insects or other eukaryotes. Heritable symbionts are usually …