The Torres lab recently published "Combining microbial cultures for efficient production of electricity from butyrate in a microbial electrochemical cell" in Bioresource Technology. The paper focuses on microbial community management to encourage butyrate fermentation to acetate by Gammaproteobacteria and Clostridia, which is then utilized by Geobacter to produce electricity. The authors include Joseph Miceli (lead author), Dr. Prathap Parameswaran, Dr. César Torres, and Dr. Rosa Krajmalnik-Brown. Check it out here!
Several SCEB members and alumni contributed to "Uranium removal and microbial community in a H2-based membrane biofilm reactor," an article published in Water Research. The article focuses on uranium removal using membrane biofilm reactors (MBfRs) and its effects on microbial community. The article also discusses how the presence of sulfate shifts the composition of the microbial community. Authors include Dr. Chen Zhou, Dr. Aura Ontiveros-Valencia, Alex Zevin, Dr. Rosa Krajmalnik-Brown, and Dr. Bruce Rittmann. Check it out here!
Dr. Krajmalnik-Brown was interviewed and cited in an interesting Nature paper about gastric-bypas surgery. Check out the article "Weight-loss surgery: A gut-wrenching question" by Virginia Hughes on Nature's website.
Biodesign Institute and ASU News are running an article on our research on bioremediation of chlorinated solvents from the environment. The article was written by journalist Richard Harth from Biodesign Institute who interviewed Drs. Anca Delgado and Rosa Krajmalnik-Brown for this piece. This news item features an overview of challenges and successes of reductive dechlorination by Dehalococcoides in cleaning up chlorinated contaminants and our research contributions to this field. A special focus is given to our recent PLOS ONE publication Selective Enrichment Yields Robust Ethene-Producing Dechlorinating Cultures from Microcosms Stalled at cis-Dichloroethene.
Read full article on Biodesign Institute and ASU News Science & Tech web.
"Pyrosequencing Analysis Yields Comprehensive Assessment of Microbial Communities in Pilot-Scale Two-Stage Membrane Biofilm Reactors," written by Dr. Aura Ontiveros-Valencia, Dr. Bruce Rittmann and Dr. Rosa Krajmalmik-Brown, has been accepted for publication in Environmental Science & Technology. The article discusses microbial communities' variations in two-stage H2-fed membrane biofilm reactors (MBfRs) fed with groundwater contaminated with nitrate, perchlorate, and sulfate. Check out the article here!
A recent opinion article in Nature discusses the research of Dr. Krajmalnik-Brown on the potential role of gut microbes on obesity. The article is written by Sarah DeWeerdt, a freelance science writer based in Seattle, Washington. DeWeerdt interviewed Dr. Krajmalnik-Brown, as well as co-PI, Dr. Bruce Rittmann, and collaborator, Dr. Rob Knight. Read more at Nature.com.
Several SCEB members have published a paper "Managing the interactions between sulfate- and perchlorate-reducing bacteria when using hydrogen-fed biofilms to treat a groundwater with a high perchlorate concentration" in Water Research. The manuscript focuses on the interactions between perchlorate- and sulfate-reducing bacteria in H2-fed membrane biofilm reactors (MBfRs) for groundwater remediation. The authors are Aura Ontiveros-Valencia, Dr. Rosa Krajmalnik-Brown, and Dr. Bruce Rittmann. SCEB alumni Dr. Youneng Tang also contributed to the manuscript. Congrats everyone!