Cellular Tropism, Population Dynamics, Host Range and Taxonomic Status of an Aphid Secondary Symbiont, SMLS (Sitobion miscanthi L Type Symbiont)
2011

Study of a New Aphid Symbiont SMLS

Sample size: 141 publication 10 minutes Evidence: moderate

Author Information

Author(s): Li Tong, Xiao Jin-Hua, Xu Zhao-Huan, Murphy Robert W., Huang Da-Wei

Primary Institution: Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China

Hypothesis

What is the taxonomic status and population dynamics of the newly identified aphid secondary symbiont SMLS?

Conclusion

SMLS is a newly identified aphid symbiont that shows unique population dynamics and is primarily found in wheat-associated aphids.

Supporting Evidence

  • SMLS was detected in hemolymph and housed in sheath cells and secondary bacteriocytes.
  • The population dynamics of SMLS differ from those of Buchnera aphidicola.
  • SMLS was found only in wheat-associated aphid species.

Takeaway

Scientists found a new tiny bug friend of aphids called SMLS that helps them, and it only lives in certain types of aphids that eat wheat.

Methodology

The study used in situ hybridization, quantitative PCR, and diagnostic PCR to analyze the symbiont's localization and population dynamics.

Limitations

The study could not determine if SMLS specifically infects only wheat-feeding aphids or the mechanisms of its transmission.

Participant Demographics

The study focused on various species of aphids, particularly those associated with wheat.

Digital Object Identifier (DOI)

10.1371/journal.pone.0021944

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