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April

  • Defense Mechanisms in Aphids Can Become a Double-edged Sword, Sharpened by the Seasons

    April 20, 2021

    <p style="margin: 0in;">Evolution is unfolding in real time within many natural animal populations and researchers are now observing how this influences biodiversity in the field. In a newly published study in&nbsp;<em style="color: #0563c1;"><span style="color: #000000;">Molecular Ecology</span></em><em><span style="color: #000000;">&nbsp;</span></em>a team of Drexel University scientists examined the biological variations in pea aphids, insects that reproduce frequently enough to evolve before our eyes, by tracing the prevalence of their protective endosymbiont,&nbsp;<em>Hamiltonella defensa</em>,<em>&nbsp;</em>which the insects use to ward off parasitoid wasps.</p>
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  • Shivani Patel and Ryan Petrie stand in front of a research poster

    Undergraduate Research Leads to Lead Authorship in Biology Publication

    April 14, 2021

    Shivani Patel '20, Nicole Naranjo '18, and Kimheak Sao '16 conducted work as undergraduates in the Petrie Lab that led to a recent publication in Molecular Biology of the Cell.

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