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Differentiation of immune response with castes in termites by de novo transcriptome sequencing

  • Eusociality is one major evolutionary transitions, during which the division of labor is considered as the hallmark feature. This character of evolution, also interpreted as task specialization, is associated with multiple morphological, physiological and behavioral adaptations required for brood care, foraging, and defense. With these adaptations which ultimately cause the formation of castes in insect sociality (mostly in termites, ants, some bees and wasps), while whether immune system is related to eusociality in termites is rare understood. We hypothesis that immune system in termite sociality had also differentiation along with the formation of castes. We address this issue by exploring the immune responses of different castes with de novo transcriptome sequencing. After injection with cocktail of heat-killed pathogens (Pseudomonas entomophila, Bacillus thuringiensis, Saccharomyces cerevisiae), the mRNAs from false workers, soldiers and reproductive of Neotermes canstaneus wereEusociality is one major evolutionary transitions, during which the division of labor is considered as the hallmark feature. This character of evolution, also interpreted as task specialization, is associated with multiple morphological, physiological and behavioral adaptations required for brood care, foraging, and defense. With these adaptations which ultimately cause the formation of castes in insect sociality (mostly in termites, ants, some bees and wasps), while whether immune system is related to eusociality in termites is rare understood. We hypothesis that immune system in termite sociality had also differentiation along with the formation of castes. We address this issue by exploring the immune responses of different castes with de novo transcriptome sequencing. After injection with cocktail of heat-killed pathogens (Pseudomonas entomophila, Bacillus thuringiensis, Saccharomyces cerevisiae), the mRNAs from false workers, soldiers and reproductive of Neotermes canstaneus were sequenced. We found much more genes are regulated (1420 genes downregulated and 398 genes upregulated) in reproductives compared to soldiers (90 genes downregulated and 108 genes upregulated) and false workers (135 genes downregulated and 71 genes upregulated). In these upregulated genes, reproductives had 54 same genes as soldiers, while only 7 same genes as workers which almost is same number between soldiers and workers. In the downregulated genes, reproductives shared 50 and 41 same genes as soldiers and workers, respectively. Besides, soldiers and workers had 29 same downregulated genes. From these findings, it is indicated that the immune system differentiates with division of labor during eusociality in termites.zeige mehrzeige weniger

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Metadaten
Autor*innen:Shulin He
Koautor*innen:Dino Peter McMahon
Dokumenttyp:Vortrag
Veröffentlichungsform:Präsentation
Sprache:Englisch
Jahr der Erstveröffentlichung:2017
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Sanitär- und Kommunaltechnik; Umwelttechnik
Freie Schlagwörter:Immunity; Social; Termite; Transcriptome
Veranstaltung:V. Central European Meeting of IUSSI 2017
Veranstaltungsort:Kloster Schöntal, Deutschland
Beginndatum der Veranstaltung:09.10.2017
Enddatum der Veranstaltung:12.10.2017
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:21.02.2018
Referierte Publikation:Nein
Eingeladener Vortrag:Nein
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