English
 
User Manual Privacy Policy Disclaimer Contact us
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT

Released

Journal Article

A Z-linked sterility locus causes sexual abstinence in hybrid females and facilitates speciation in Spodoptera frugiperda

MPS-Authors
/persons/resource/persons4154

Kost,  Silvia
Department of Entomology, Prof. D. G. Heckel, MPI for Chemical Ecology, Max Planck Society;

/persons/resource/persons3916

Heckel,  David G.
Department of Entomology, Prof. D. G. Heckel, MPI for Chemical Ecology, Max Planck Society;

/persons/resource/persons3897

Groot,  Astrid T.
Department of Entomology, Prof. D. G. Heckel, MPI for Chemical Ecology, Max Planck Society;

Locator
There are no locators available
Fulltext (public)
There are no public fulltexts available
Supplementary Material (public)
Citation

Kost, S., Heckel, D. G., Yoshido, A., Marec, F., & Groot, A. T. (2016). A Z-linked sterility locus causes sexual abstinence in hybrid females and facilitates speciation in Spodoptera frugiperda. Evolution: international journal of organic evolution, 70(6), 1418-1427. doi:10.1111/evo.12940.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002A-5250-0
Abstract
In the fall armyworm, Spodoptera frugiperda (Lepidoptera, Noctuidae), two sympatric strains have been recognized that have been termed corn strain (C) and rice strain (R), referring to their most common host plants. Both strains are reproductively isolated via a distinct prezygotic barrier as well as via an intriguing postzygotic phenomenon: when R females have mated with C males, the resulting RC hybrid females exhibit dramatically reduced fertility independent of their mating partner. Here, we demonstrate that the reduced fertility is caused by the fact that these females refrain from mating, that is, females are behaviorally sterile. We identified a Z‐chromosomally linked sterility locus that is most likely incompatible with yet to be identified autosomal (or cytoplasmic) factors, leading to the observed sexual abstinence. Within‐chromosome mapping revealed the sterility locus to be located in an area of strongly reduced interstrain recombination.