Genome Insider
Stories where genes and genomes are key to solving energy and environmental challenges. Hear diverse voices in science talk about their JGI-supported research to better understand — and harness — the superpowers encoded in plants, fungi, microalgae, environmental viruses, and bacteria to contribute to a more sustainable world.
Episodes
Stable Isotope Probing (SIP) is a powerful technique for studying microbial communities. These experiments can show which microbes are handling specific nutrients, or what they're doing with those nutrients, and even how quickly. But there's a catch: SIP labwork and analysis can be very demanding.
The JGI offers SIP analysis to make these experiments accessible to more researchers. Ultimately, the goal is to generate SIP ...
In this episode, undergraduates adopt genomes that the JGI sequenced, but never published in the literature. These students analyze the genomes, write reports, and publish first-author papers, making the data available for future research.
Hear from Rekha Seshadri (JGI) and Matt Escobar (California State San Marcos) about how the Adopt-A-Genome project got started. Plus, Kalyani Maitra (California State Fresno) and two students, An...
Kasey Markel and Patrick Shih (UC Berkeley and the Joint BioEnergy Institute) are looking for new ways to engineer plants. So they’ve looked into wasps that program oak trees to grow structures called galls.
In this episode, hear from Kasey and Patrick about how this project unfolded, and how they worked with the JGI's metabolomics program to find out more about these weird little pods.
Links from this episode:
To engineer yeast to do more, and understand genomes in general, Jef Boeke, Weimin Zhang (NYU Langone Health) and Leslie Mitchell (Neochromosome) have worked to replace yeast’s native chromosomes with synthetic versions. This project has turned out to be an international collaboration, with some artistic endeavors along the way. Eventually, the goal is to create an entirely human-generated yeast genome.
Links from this epi...
Three stories of JGI-supported research, connected to nutrient cycles. Francis Martin and Lucas Auer discuss their work on communities of forest floor fungi. Allison Joy looks into seagrass meadows' carbon sequestration with insights from Adam Healey and Xiao Ma. And Karen Serrano and Benjamin Cole explain their research on the symbiotic relationship between mycorrhizal fungi and plant roots.
Links from this episode:
Rainforests store a big fraction of all the carbon on Earth, and soil microbes play a key role in pulling that carbon out of the atmosphere. This episode, researchers take a look at what happens to that storage when a rainforest hits a drought. Tag along with their experiments in a fully enclosed, human-made ecosystem: Biosphere 2.
Links from this episode:
This is the third and final episode of our series on a giant metagenome assembly from Wisconsin’s Lake Mendota. In the last two episodes, we’ve covered the specialized software and supercomputers behind this project. But every part of this project depends on lakewater samples — so this episode is a look at how researchers get these specialized snapshots of a freshwater ecosystem.
Links from this episode:
This series is the story of a giant metagenome assembly from Wisconsin’s Lake Mendota. In this episode: a look at the supercomputing that stitches together large datasets with the assembler program MetaHipMer2.
Oak Ridge National Lab is home to two supercomputers — Summit and Frontier — that process terabytes of data with MetaHipMer2. And the National Energy Research Scientific Computing (NERSC) has another supercomputer, Perlmutter...
Lake Mendota sits right next to the University of Wisconsin, Madison. And Trina McMahon's lab has been sampling the microbes of that lake for over 20 years, to understand how the freshwater ecosystem works.
So a few years ago, when they set out to analyze 500 metagenomes, it was the biggest project the JGI had ever put together.
The next 3 episodes are the story behind that giant assembly from Lake Mendota. In this e...
To set up flexible, repeatable experiments on plants and microbes, Trent Northen’s group at Berkeley Lab created a fabricated ecosystem – an EcoFAB. These small plastic growth chambers let researchers around the world compare their work consistently. And EcoFABs also work well in the classroom. This episode, we visit Los Medanos College to see EcoFABs in action in Jill Bouchard’s BIO 21 lab course.
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To understand how organisms adapt to extreme environments, Marike Palmer and Brian Hedlund study organisms living in hot springs. Hear how their recent work revealed more about the history of the Chloroflexota phylum and a new way of moving: a tail-like flagella.
Links from this episode:
- Find all episode transcripts on our website
- Publicatio...
A quick snippet on Antonio Camargo and Simon Roux, a few of the JGI researchers behind software that finds plasmids and viruses within microbial genomes. As mobile genetic elements like viruses spread their DNA, they can affect how microbes cycle nutrients and adapt to climate change.
- Find all episode transcripts on our website
- Publication: Camargo, A.P., et al. “Identification of mobile genetic elements with geNom...
Meet researchers who have hiked, rafted and met local wildlife (a marmot!) as they’ve sampled the microbial communities living in the mountaintop lakes of the Sierra Nevada mountains. These lakes are isolated, but varied. They’re a great way to see how climate change affects freshwater ecosystems, and how those ecosystems work.
Links from this episode:
Right now, our natural rubber comes from just one tree species: Hevea brasiliensis. It’s great at producing latex that becomes rubber, but it’s vulnerable to disease and climate shifts. So researchers are looking into a desert shrub that’s native to North America: guayule.
This episode was made in collaboration with our friends at the HudsonAlpha Institute for Biotechnology.
Links from this episode:
The ocean depths are vast and dark. But there are hotspots on the ocean floor — underwater volcanoes and hydrothermal vents — where lively microbial communities thrive, and even support entire ecosystems. Hear from researchers Anna-Louise Reysenbach, Emily St. John, Gilberto Flores, and Peter Girguis about sampling these communities, and understanding how they’ve adapted to this extreme environment.
Links from this episode:
In our warming world, we’ll need corn, sorghum and other crops to grow well in worse conditions: with more heat, less water and less fertilizer. Grasses do better in these conditions, so plant biologists James Schable, Guangchao Sun and Vladimir Torrres have looked into traits that could transfer from grasses into other crops.
One grass they studied just happened to be the same species that covered World Cup pitches in 2022.
On June 8th, Genome Insider is back!
We've got a batch of 4 new episodes where researchers discover the expertise encoded in our environment — in the genomes of plants, fungi, bacteria, archaea, algae, and environmental viruses — to power a more sustainable future.
Stick around for a snippet of the next episode.
Join us at our User Meeting: jointgeno.me/JGI2023
Find out how to become a JG...
Michelle O'Malley and Tom Lankiewicz of UC-Santa Barbara discuss the importance of studying anaerobic fungi, as well as a recent discovery that turns scientific presumption on its head and opens up a new avenue to explore for efficient biofuel production.
- Find all episode transcripts on our website
- Publication: Lankiewicz, T.S., Choudhary, H., Gao, Y. et al. Lignin deconstruction by anaerobic fungi. Nat Microbiol 8, 596–610 ...
David Hibbett (Clark University) fills us in on the kind of decay that makes shiitake mushrooms special. This week, he 39 collaborators published a paper tracing how these mushrooms have evolved.
- Find all episode transcripts on our website
- Publication: Sierra-Patev S et al. A global phylogenomic analysis of the shiitake genus Lentinula. Proc Natl Acad Sci U S A. 2023 Mar 7;120(10):e2214076120. doi: 10.1073/pnas.22140761...
The JGI’s Community Science Program gives researchers access to all kinds of sequencing, ‘omics and bioinformatics capabilities — and it’s open to scientists at any career stage, anywhere in the world, for free. We accept new projects related to energy and the environment several times a year. A few proposal calls have deadlines coming up – in January, March, and later on in the spring.
In this episode, hear proposal tips from Tanja...
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