| Title |
Spodoptera frugiperda (Lepidoptera: Noctuidae) host-plant variants: two host strains or two distinct species?
|
|---|---|
| Published in |
Genetica, February 2015
|
| DOI | 10.1007/s10709-015-9829-2 |
| Pubmed ID | |
| Authors |
Pascaline Dumas, Fabrice Legeai, Claire Lemaitre, Erwan Scaon, Marion Orsucci, Karine Labadie, Sylvie Gimenez, Anne-Laure Clamens, Hélène Henri, Fabrice Vavre, Jean-Marc Aury, Philippe Fournier, Gael J. Kergoat, Emmanuelle d’Alençon |
| Abstract |
The moth Spodoptera frugiperda is a well-known pest of crops throughout the Americas, which consists of two strains adapted to different host-plants: the first feeds preferentially on corn, cotton and sorghum whereas the second is more associated with rice and several pasture grasses. Though morphologically indistinguishable, they exhibit differences in their mating behavior, pheromone compositions, and show development variability according to the host-plant. Though the latter suggest that both strains are different species, this issue is still highly controversial because hybrids naturally occur in the wild, not to mention the discrepancies among published results concerning mating success between the two strains. In order to clarify the status of the two host-plant strains of S. frugiperda, we analyze features that possibly reflect the level of post-zygotic isolation: (1) first generation (F1) hybrid lethality and sterility; (2) patterns of meiotic segregation of hybrids in reciprocal second generation (F2), as compared to the meiosis of the two parental strains. We found a significant reduction of mating success in F1 in one direction of the cross and a high level of microsatellite markers showing transmission ratio distortion in the F2 progeny. Our results support the existence of post-zygotic reproductive isolation between the two laboratory strains and are in accordance with the marked level of genetic differentiation that was recovered between individuals of the two strains collected from the field. Altogether these results provide additional evidence in favor of a sibling species status for the two strains. |
X Demographics
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Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 2 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 2 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 189 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 189 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Researcher | 29 | 15% |
| Student > Master | 24 | 13% |
| Student > Ph. D. Student | 17 | 9% |
| Student > Bachelor | 14 | 7% |
| Other | 9 | 5% |
| Other | 26 | 14% |
| Unknown | 70 | 37% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 91 | 48% |
| Biochemistry, Genetics and Molecular Biology | 11 | 6% |
| Environmental Science | 5 | 3% |
| Engineering | 2 | 1% |
| Arts and Humanities | 1 | <1% |
| Other | 5 | 3% |
| Unknown | 74 | 39% |
Attention Score in Context
This research output has an Altmetric Attention Score of 11. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 25 June 2020.
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#2,761,866
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Outputs of similar age
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Outputs of similar age from Genetica
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