Extremely small genomes in two unrelated dipteran insects with shared early developmental traits |
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Authors: | Urs Schmidt-Ott Ab. Matteen Rafiqi Klaus Sander J. Spencer Johnston |
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Affiliation: | 1.Department of Organismal Biology and Anatomy,University of Chicago,Chicago,USA;2.Institut für Biologie 1,Albert-Ludwigs-Universit?t Freiburg,Freiburg,Germany;3.Department of Entomology,Texas A&M University,College Station,USA |
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Abstract: | We discovered extremely small genomes (1C ~100 Mb) in the dipteran insects Coboldia fuscipes (Scatopsidae) and Psychoda cinerea (Psychodidae). The small genomes of these species cannot be explained by a fast developmental rate, which has been shown to correlate with small genome sizes in animals and plants but might accommodate the combined effects of other developmental traits, including small egg size, thin blastoderm layer, and long-germ development. |
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Keywords: | Diptera Genome size Egg size Blastoderm Pair-rule patterning Flow cytometry |
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