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31 results for “Ostrinia”
FIGURE 6A in Phylogenetic relationships and biological features reveal that male Ostrinia furnacalis (Lepidoptera: Crambidae) in Northeast China can be categorized into postmedial line-based clades
FIGURE 6A. Male dynamics of Ostrinia furnacalis clades in 2015 (I~III =Clade I, II&III).
Data from: A recombination suppressor contributes to ecological speciation in Ostrinia moths
Despite unparalleled access to species' genomes in our post-genomic age, we often lack adequate biological explanations for a major hallmark of the speciation process—genetic divergence. In the presence of gene flow, chromosomal rearrangements such as inversions are thought to promote divergence and facilitate speciation by suppressing recombination. Using a combination of genetic crosses, phenotyping of a trait underlying ecological isolation, and population genetic analysis of wild populations, we set out to determine whether evidence supports a role for recombination suppressors during speciation between the Z and E strains of European corn borer moth (Ostrinia nubilalis). Our results are consistent with the presence of an inversion that has contributed to accumulation of ecologically adaptive alleles and genetic differentiation across roughly 20% of the Ostrinia sex chromosome (~4 Mb). Patterns in Ostrinia suggest that chromosomal divergence may involve two separate phases—one driving its transient origin through local adaptation and one determining its stable persistence through differential introgression. As the evolutionary rate of rearrangements in lepidopteran genomes appears to be one of the fastest among eukaryotes, structural mutations may have had a disproportionate role during adaptive divergence and speciation in Ostrinia and in other moths and butterflies.
Data from: A recombination suppressor contributes to ecological speciation in Ostrinia moths
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Profiling of gut gene expression in Cry1Ab-resistant and susceptible strains of Ostrinia nubilalis reveals possible adaptations of resistant larvae to transgenic Cry1Ab corn
GEO Series GSE87393. Ostrinia nubilalis. 16 samples. Type: Expression profiling by array.
Changes in Gene Expression in the Larval Gut of Ostrinia nubilalis in Response to Bacillus thuringiensis Cry1Ab Protoxin Ingestion
GEO Series GSE55685. Ostrinia nubilalis. 6 samples. Type: Expression profiling by array.
Next Generation Sequencing Facilitates Quantitative Analysis of the transcriptome of different developmental stages and tissues in Ostrinia furnacalis
GEO Series GSE197663. Ostrinia furnacalis. 30 samples. Type: Expression profiling by high throughput sequencing.
Data from: Genetic mapping of two components of reproductive isolation between two sibling species of moths, Ostrinia nubilalis and O. scapulalis
We report the quantitative trait loci (QTL) mapping of reproductive isolation traits between Ostrinia nubilalis (the European corn borer) and its sibling species O. scapulalis (the Adzuki bean borer), focusing on two traits: mating isolation (mi) and pheromone production (Pher). Four genetic maps were generated from two backcross families, with two maps (one chromosomal map and one linkage map) per backcross. We located 165–323 AFLP markers on these four maps, resulting in the identification of 27–31 linkage groups, depending on the map considered. No-choice mating experiments with the offspring of each backcross led to the detection of at least two QTLs for mi in different linkage groups. QTLs underlying Pher were located in a third linkage group. The Z heterochromosome was identified by a specific marker (Tpi) and did not carry any of these QTLs. Finally, we considered the global divergence between the two sibling species, distortions of segregation throughout the genome, and the location and effect of mi and Pher QTLs in light of the known candidate genes for reproductive isolation within the genus Ostrinia and, more broadly, in phytophagous insects.
Data from: Genetic mapping of two components of reproductive isolation between two sibling species of moths, Ostrinia nubilalis and O. scapulalis
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FIGURE 3 in Phylogenetic relationships and biological features reveal that male Ostrinia furnacalis (Lepidoptera: Crambidae) in Northeast China can be categorized into postmedial line-based clades
FIGURE 3. Scuulus structures of Ostrinia furnacalis and O. nubilalis: I. Clade I of O. furnacalis; II. Clade II of O. furnacalis; III. Clade III of O. furnacalis.
FIGURE 1 in Phylogenetic relationships and biological features reveal that male Ostrinia furnacalis (Lepidoptera: Crambidae) in Northeast China can be categorized into postmedial line-based clades
FIGURE 1. Males of Ostrinia furnacalis in and outside the sex-pheromone baited traps. A: Postmedial line of the males on the inner-wall of the trap (A-1), on the inner-wall of trap's lid (A-2) and on our fingers (A-3); B,C and D: Sex-pheromone baited traps in corn field, weed field and soybean field.
Expression data from maize stems attacked by European corn borer (ECB, Ostrinia nubilalis) larvae
GEO Series GSE46475. Zea mays. 6 samples. Type: Expression profiling by array.
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