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Aphid populations are frequently infected with facultative endosymbionts. | LitMetric

AI Article Synopsis

  • A study examined 437 aphid samples from 106 species to investigate the presence of facultative endosymbionts, finding them in 53% of the species tested.
  • Oligophagous (plants with a limited range of food sources) aphids were found to carry these endosymbionts more frequently than monophagous (specializing on one type of plant) species.
  • This research, the first of its kind in the Netherlands, highlights the commonality of facultative endosymbionts in aphids and points to the need for further studies to understand their effects on host aphids and their ecological roles.

Article Abstract

The occurrence of facultative endosymbionts has been studied in many commercially important crop pest aphids, but their occurrence and effects in non-commercial aphid species in natural populations have received less attention. We screened 437 aphid samples belonging to 106 aphid species for the eight most common facultative aphid endosymbionts. We found one or more facultative endosymbionts in 53% (56 of 106) of the species investigated. This likely underestimates the situation in the field because facultative endosymbionts are often present in only some colonies of an aphid species. Oligophagous aphid species carried facultative endosymbionts significantly more often than monophagous species. We did not find a significant correlation between ant tending and facultative endosymbiont presence. In conclusion, we found that facultative endosymbionts are common among aphid populations. This study is, to our knowledge, the first of its kind in the Netherlands and provides a basis for future research in this field. For instance, it is still unknown in what way many of these endosymbionts affect their hosts, which is important for determining the importance of facultative endosymbionts to community dynamics.

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Source
http://dx.doi.org/10.1111/1462-2920.16599DOI Listing

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