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Showing 1–5 of 5 results
Advanced filters: Author: Hanna Leitner Clear advanced filters

  • Like cells in a body, social insects cooperate to maintain colony health. This study reveals that ants have evolved a chemical signalling system that alerts nestmates when their own immunity is insufficient to overcome infection, enabling efficient colony-level disease defence.

    • Erika H. Dawson
    • Michaela Hoenigsberger
    • Sylvia Cremer
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-14

  • The role of androgen signalling in avian sexual development is still unclear. This study generated androgen receptor knockout chickens and find that, despite developing typical gonads, the males and females are infertile and many sexual ornaments and behaviors remain underdeveloped in both sexes.

    • Kamila Lengyel
    • Mekhla Rudra
    • Manfred Gahr
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-12

  • In an inter-laboratory study, the authors compare the accuracy and performance of three optical density calibration protocols (colloidal silica, serial dilution of silica microspheres, and colony-forming unit (CFU) assay). They demonstrate that serial dilution of silica microspheres is the best of these tested protocols, allowing precise and robust calibration that is easily assessed for quality control and can also evaluate the effective linear range of an instrument.

    • Jacob Beal
    • Natalie G. Farny
    • Jiajie Zhou
    ResearchOpen Access
    Communications Biology
    Volume: 3, P: 1-29