ArticleiScience2023
Live-bearing cockroach genome reveals convergent evolutionary mechanisms linked to viviparity in insects and beyond.
Article in iScience, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 21 citations in OpenAlex.
- Transcription Factor Evolution Associated with Social Transitions in Blattodea.Journal of molecular evolution · 2026Article
- Chromosome-level genome assembly and annotation of the termite Reticulitermes chinensis Snyder.Scientific data · 2026Article
- The greenhouse as an integrated management strategy for Prodiplosis longifila Gagné, 1986: effects on infestation and pesticide use.BMC plant biology · 2026Article
- Cryptocercus Genomes Expand Knowledge of Adaptations to Xylophagy and Termite Sociality.Genome biology and evolution · 2026Article
- Improved chromosome-level genome assembly of the American cockroach, Periplaneta americana.G3 (Bethesda, Md.) · 2026Article
- Daily activity rhythms, sleep and pregnancy are fundamentally related in the Pacific beetle mimic cockroach, Diploptera punctata.The Journal of experimental biology · 2025Article
- An unusually large genome from an unusually large stonefly: A chromosome-length genome assembly for the giant salmonfly, Pteronarcys californica (Plecoptera: Pteronarcyidae).The Journal of heredity · 2025Article
- Viviparity and obligate blood feeding: tsetse flies as a unique research system to study climate change.Current opinion in insect science · 2025Review
- Evidence for a Novel X Chromosome in Termites.Genome biology and evolution · 2024Article
- Convergent genomic signatures associated with vertebrate viviparity.BMC biology · 2024Article
- Lipid metabolism dysfunction following symbiont elimination is linked to altered Kennedy pathway homeostasis.iScience · 2023Article
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Authors and funding
14 authors at 7 institutions in 4 countries.
Funding
Abstract
Live birth (viviparity) has arisen repeatedly and independently among animals. We sequenced the genome and transcriptome of the viviparous Pacific beetle-mimic cockroach and performed comparative analyses with two other viviparous insect lineages, tsetse flies and aphids, to unravel the basis underlying the transition to viviparity in insects. We identified pathways undergoing adaptive evolution for insects, involved in urogenital remodeling, tracheal system, heart development, and nutrient metabolism. Transcriptomic analysis of cockroach and tsetse flies revealed that uterine remodeling and nutrient production are increased and the immune response is altered during pregnancy, facilitating structural and physiological changes to accommodate and nourish the progeny. These patterns of convergent evolution of viviparity among insects, together with similar adaptive mechanisms identified among vertebrates, highlight that the transition to viviparity requires changes in urogenital remodeling, enhanced tracheal and heart development (corresponding to angiogenesis in vertebrates), altered nutrient metabolism, and shifted immunity in animal systems.
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