EUCHROMA GIGANTEA PDF

He wants the world to know what happened. But to understand this story, you have to go back to Waco in the s, when the Lewallen brothers hounded the local creeks and forests capturing bugs, turtles, lizards, and snakes. By the time they graduated from high school, Greg and Rodney had built one of the largest private collection of specimens in Texas. Greg describes their family garage as being lined with endless shelves of creatures floating in jars of formaldehyde.

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Chromosome Res. Epub Mar 9. Insights into the karyotype evolution and speciation of the beetle Euchroma gigantea Coleoptera: Buprestidae. To better understand the complex karyotypic evolution of E. Herein, we used FISH with histone genes as well as sequencing of the COI to determine differential distribution of markers and relationships among populations.

The analyses revealed new karyotypes, with variability for chromosome number and morphology of multiple sex chromosome mechanisms, occurrence of B chromosome variants punctiform and large ones , and high dispersion of histone genes in different karyotypes. These data indicate that chromosomal polymorphism in E. The COI phylogenetic and haplotype analyses highlighted the formation of three groups with chromosomally polymorphic individuals. Finally, we compared the different karyotypes and proposed a model for the chromosomal evolution of this species.

The species E. Moreover, in each of these lineages, different chromosomal rearrangements have been fixed. Dispersion of repetitive sequences may have favored the high frequency of these rearrangements, which could be related to both adaptation of the species to different habitats and the speciation process.

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Euchroma Gigantea

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Euchroma gigantea

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