people update

Author: sr320

docs/calendar.html

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 <link>https://faculty.washington.edu/sr320/</link>
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   <title>Earliest Map of Oyster Germline Development Unlocks Pathway Toward Sterile Aquaculture</title>
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 <p>We are excited to share a new study led jointly by <strong>Dr.&nbsp;Mackenzie Gavery (NOAA Northwest Fisheries Science Center)</strong> and <strong>Dr.&nbsp;Lauren Vandepas (UW School of Aquatic and Fishery Sciences)</strong>, who served as co–first authors on a major advance in marine developmental biology and applied aquaculture biotechnology.</p>
 <p>The paper — <em>“Primordial germ cell specification and early developmental cell states in Pacific oyster”</em> — provides the <strong>earliest single-cell RNA-seq atlas ever produced from a bivalve embryo</strong>, capturing the transition from cleavage to gastrulation and revealing when and how primordial germ cells (PGCs) are formed in the Pacific oyster.</p>
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 <p>From April 2023 to March 2025, a team lead by <a href="https://faculty.washington.edu/sr320/people.html#chris-mantegna">Chris Mantegna</a> piloted Intertidal Innovators, an EarthLab Innovation Grant–funded program that blended art and science to connect local high school students with Seattle’s nearshore ecosystems. The program invited 11 students into a five-week internship where they explored foundational intertidal science concepts and translated their learning into creative expression.</p>
 <section id="building-connections-through-art-and-science" class="level2">
 <h2 class="anchored" data-anchor-id="building-connections-through-art-and-science">Building Connections Through Art and Science</h2>
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 <p>How do marine organisms adapt to an ocean that is rapidly warming, acidifying, and changing in countless other ways? A new <strong>Perspective article in Integrative and Comparative Biology</strong> by Yaamini R. Venkataraman and Ariana S. Huffmyer takes on this pressing question by focusing on <strong>metabolic plasticity</strong>—an organism’s capacity to adjust how it produces, allocates, and uses energy under stress.</p>
 <p>The authors argue that while genomics, transcriptomics, and epigenomics have all advanced our understanding of stress responses, <strong>metabolomic and lipidomic approaches provide a direct lens into energy balance</strong>—a key driver of resilience. By quantifying the molecules that fuel and regulate cellular processes, researchers can uncover hidden physiological shifts that are invisible at the whole-organism level.</p>
 <p><img src="http://gannet.fish.washington.edu/seashell/snaps/2025-09-24_10-54-17.png" class="img-fluid"></p>
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 <p>We are excited to share that our proposal, <em>Development of SORMI (Summer Oyster Resilience and Mortality Index): A Quantitative Tool for Improving Field Survival</em>, has been funded through the Western Regional Aquaculture Center. This multi-institutional effort will address one of the most pressing challenges in shellfish aquaculture—<strong>recurrent summer mortality in Pacific oysters</strong>.</p>
 <section id="the-challenge" class="level3">
 <h3 class="anchored" data-anchor-id="the-challenge"><strong>The Challenge</strong></h3>
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 <p>As global demand for seafood continues to rise, the aquaculture industry faces growing pressure to produce more while minimizing ecological impacts. A key concern in marine fish farming is the risk of escapees interbreeding with wild populations, leading to genetic introgression and reduced fitness in native fish stocks. Now, a recent study led by former University of Washington CICOES postdoctoral researcher Dr.&nbsp;Yuzo R. Yanagitsuru offers a promising solution.</p>
 <p>Published in <em>Aquaculture</em>, the study presents a <strong>proof-of-concept for a non-GMO, bath immersion–based technique for inducing sterility in sablefish (Anoplopoma fimbria)</strong>—an emerging high-value aquaculture species also known as black cod. The approach targets a gene essential for reproductive cell development and aims to prevent escaped farmed fish from reproducing in the wild.</p>
 <section id="a-scalable-gene-silencing-alternative-to-triploidy" class="level3">
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 <p>This spring, two outstanding undergraduate researchers in our lab—Genevieve Buchanan and Henry Berg—presented their senior capstone projects, showcasing months of hard work and scientific curiosity. Their research tackled critical questions related to marine invertebrate resilience in the face of environmental stress, and each presentation offered fresh insight into how shellfish species respond to changing ocean conditions.</p>
 <section id="genevieve-buchanan-thermal-tolerance-in-a-stressful-world" class="level2">
 <h2 class="anchored" data-anchor-id="genevieve-buchanan-thermal-tolerance-in-a-stressful-world">🦪 Genevieve Buchanan: Thermal Tolerance in a Stressful World</h2>