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JGI Scientists Pen Genome Watch Articles

February 4, 2020

Cartoon from the 2019 Genome Watch article by Tanja Woyke. (Credit: Philip Patenall/Springer Nature Limited)

Tanja Woyke and other JGI researchers made their debut writing for a column of the prestigious scientific research magazine Nature Reviews Microbiology last year — and there’s more to come in 2020. In 2018, Woyke received a message from Andrea Du Toit, senior editor for Nature Reviews Microbiology, with an unusual opportunity: would JGI researchers consider regularly writing for the magazine’s column Genome Watch? The column appears in six issues of the monthly magazine each year.

Du Toit invited JGI to write half of the 2019 Genome Watch articles as a way to expose readers to a broader genomics perspective. Woyke spread the word among her JGI colleagues, and they agreed, providing three articles for the journal with Du Toit as their editor. The partnership has proven so successful this year, JGI is providing another three Genome Watch articles. Go here to read the blog post on the JGI website.

JGI Helps Illuminate Microbial Partnership In Lichen

November 21, 2019

The humble lichen is a superorganism: one being that is actually comprised of two major participants. One partner is a fungus; the other is a photosynthetic microbe, tucked in the fungus’ tissue. The two live intertwined, with the photobiont transferring part of its photosynthetically fixed carbon to the mycobiont — a strategy that has worked so well, that lichen are the dominant carbon and nitrogen fixers alpine and high latitude systems. However, despite a century-and-a-half of lichen research, many of the symbiosis’ details remain unclear. For the first time, a team has analyzed in parallel the genomes and transcriptomes of both partners to better understand lichen. Read the science highlight on the JGI website.

JGI Helps Illuminate How a Fungus Fuels Tree Growth 

August 20, 2019

The fungus Mortierella elongata enjoys a close association with the fast-growing poplar tree (Populus trichocarpa), a potential biofuel feedstock. Scientists routinely spot the fungus near the tree or in between its root cells. To better understand their relationship, a team of scientists has studied the effect of the fungus on the tree’s physical traits and gene expression, finding the fungus induces some notable metabolic changes. Click here to read the science highlight on the JGI website.

JGI Builds Genetic Profile of Aspergillus section Nigri

October 22, 2018

Aspergillus section Nigri fungi sequenced and analyzed for this study. (All images by Ellen Kirstine Lyhne, DTU.)

Aspergillus section Nigri fungi sequenced and analyzed for this study. (All images by Ellen Kirstine Lyhne, DTU.) In Nature Genetics, a team led by scientists at the Technical University of Denmark, the JGI, and JBEI present the first large analysis of an Aspergillus fungal subgroup, section Nigri. The results are part of a long-term project to sequence, annotate and analyze the genomes of more than 300 Aspergillus fungi.

In choosing to focus on section Nigri, the researchers recognized the myriad of industrial applications for the fungi within this subgroup. They serve as production organisms for 49 of 260 industrial enzymes and are also very efficient producers of enzymes and secondary metabolites. JGI Fungal Program head Igor Grigoriev said that one of the aims in sequencing the genomes within the Aspergillus genus is to increase the catalog of carbohydrate active enzymes (CAzymes), which can degrade plant cell walls and thus have applications in the DOE mission to develop industrial processes for producing sustainable alternative fuels using candidate bioenergy feedstock crops. Click to read more on the JGI website.

JGI Develops Single-Cell Pipeline for Fungal Diversity

October 17, 2018

More than a million species of fungi are estimated to live on this planet, but most of that diversity remains unknown because the fungi have avoided detection and have not been cultured for study in laboratories. A team led by researchers at the Joint Genome Institute has developed a pipeline to generate genomes from single cells of uncultivated fungi. The approach was tested on several uncultivated fungal species representing the earliest evolutionary branches in the fungal genealogy that provide a repertoire of important and valuable gene products.

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