January 3, 2020

Kelly Ramin’s dissertation work on “Bacterial Tradeoffs in Growth Rate and Extracellular Enzymes” is now published in Frontiers in Microbiology (open access)!

August 8, 2019

Steven Allison and Humanities Dean Tyrus Miller co-authored an article for The Conversation on “Why Science Needs the Humanities to Solve Climate Change”.

Follow-up radio interview on “The Attitude with Arnie Arnesen” is available as a podcast (starting at 35:00). 

June 28, 2019

Congratulations to postdoc Bin Wang for publishing his paper “Emergent properties of organic matter decomposition by soil enzymes” in Soil Biology & Biochemistry. The paper shows a new mathematical approach for scaling up enzyme kinetics that could be used in ecosystem models.

June 26, 2019

Steve Allison wrote a News and Views article about Ember Morrissey et al.’s paper on growth and resource use traits in soil microbial communities published in Nature Ecology & Evolution

June 25, 2019

Postdoc Bin Wang published a reply to commentary on his recent paper about aggregate biogeochemical reactors in soils: check it out here!

March 14, 2019

Congratulations to undergraduate Therese Pham for winning a CalSpace award, funded by the Space Grant Consortium at UCSD! This $1000 award recognizes Therese’s academic accomplishments and research on environmental bacteria and their enzymatic traits.

Therese Pham

February 11, 2019

Steven Allison has donated to be come a Founding Member of the 500 Women Scientists Fellowship for the Future.

February 6, 2019

New paper in Soil Biology and Biochemistry by postdoc Ashish Malik shows a tradeoff between soil microbial investment in growth yield versus enzyme production.

January 24, 2019

Congratulations to undergraduate Therese Pham for being awarded a research grant from the Undergraduate Research Opportunities Program to analyze enzymatic traits of bacteria!

January 4, 2019

Drought and nitrogen treatments at the Loma Ridge Global Change Experiment affect greenhouse gas fluxes according to a new study in Soil Biology and Biochemistry by Emma Aronson and UCI colleagues

December 14, 2018

Our new paper in Global Change Biology by Jianwei Li et al. uses data assimilation and modeling to show that soil microbial properties of carbon use efficiency and death rate don't adapt to soil warming at Harvard Forest.

December 5, 2018

New perspective article by Bin Wang argues that soil aggregates--separate micro‐environments embedded in a soil matrix--are mini-reactors for microbial and physical processes that cycle greenhouse gases. Now published in Global Change Biology.

November 5, 2018

Results of our microbiome transplant experiment across a climate gradient in Southern California are now published in PNAS!

September 4, 2018

Congratulations to Kelly Ramin for succesfully defending her PhD today!

August 12, 2018

We just published a paper in Fungal Ecology showing that there is no evolution of thermal compensation in respiration or enzymes of Neurospora discreta. Positive feedbacks to soil carbon loss under climate warming can be maintained. [published version free until 28 Sept] [free preprint]

July 6, 2018

New publication on plant-soil interactions under changing snow cover published in Soil Biology & Biochemistry by collaborator Weixing Liu

July 5, 2018

Check out Nameer Baker’s Ecology paper: "Microbial decomposers not constrained by climate history along a Mediterranean climate gradient in southern California"

February 8, 2018

Check out our new video about a project on wood, termites, and fungi:

Also check out our new publication in Global Change Biology, “Temperature sensitivities of extracellular enzyme Vmax and Km across thermal environments”.

January 17, 2018

Check out two of our recently accepted papers in Global Change Biology and JGR Biogeosciences!

Temperature sensitivities of extracellular enzyme Vmax and Km across thermal environments

Effects of Drought Manipulation on Soil Nitrogen Cycling: A Meta-Analysis

December 5, 2017

Steve Allison has been named a Highly Cited Researcher by Clarivate Analytics based on high-impact papers published between 2005 and 2015.

October 5, 2017

Steve Allison provided comments for a Newsweek article on a new study of soil carbon responses to long-term warming.

August 27, 2017

Check out Sierra Magazine’s article about sustainability efforts at UCI, including the work of Kimberly Duong, an engineering gradaute student in the Climate Action Training Program!

August 22, 2017

In an article in the OC Register, Steve Allison of @UCIBioSci confirms that a healthy OC economy is linked to environmental protection.

July 27, 2017

Congratulations to Alyssa Frederick and her graduate student colleagues in the Climate Action Training Program whose essay on climate science advocacy was published in Science today!

July 26, 2017

UCI has been awarded a new NSF Research Traineeship on urban ecosystem management from “Ridge to Reef” (R2R) with Steve Allison as PI!

July 23, 2017

Steve Allison appears in this segment of public TV station KCET’s show “SoCal Connected” to talk about soils and climate change.

Also, check out Nameer Baker’s recent publication in Soil Biology and Biochemistry on the southern California Climate gradient, generously funded by the National Science Foundation and the Mathias Grant Program!

July 5, 2017

Check out this recent OC Register story about UCI climate research and the potential impact of science funding cuts.

June 27, 2017

Congratulations to Elizabeth Stogner and Gabrielle Barajas on their graduation!

Also, check out this great video featuring Allison lab undergraduate Devan Nisson!

May 23, 2017

The Allison lab is recruiting postdocs and graduate students with interests in modeling microbial processes!

May 20, 2017

Steve Allison discusses science funding, climate change, and politics on radio KUCI’s Ask A Leader program.

May 7, 2017

Congratulations to undergraduate Elizabeth Stogner for being awarded Excellence in Research from the Ayala School of Biological Sciences!

April 19, 2017

Check out Steve Allison’s op-ed commentary about threats to environmental science funding in the LA Times Daily Pilot.

March 27, 2017

Congratulations to Wally Xie for being awarded an Honorable Mention in this year’s NSF Graduate Research Fellowship competition!

March 10, 2017

Steve Allison visited Capitol Hill this week to advocate for sustained federal funding of environmental science research.

Delegation on Capitol Hill

January 19, 2017

Congratulations to undergraduates Gaby Barajas, Lizzie Stogner, and Devan Nisson for receiving Undergraduate Research Opportunities Program grants!

January 17, 2017

Check out the UCI News Feature Article on UCI climate research and Steve’s Climate Action Training Program!

December 2, 2016

Our collaborative work on the temperature response of soil respiration was recently published in PNAS: “Temperature response of soil respiration largely unaltered with experimental warming”.

September 23, 2016

Check out our paper that just came out in Science: “Radiocarbon constraints imply reduced carbon uptake by soils during the 21st century”!

And related news coverage at The Guardian.

September 21, 2016

The Allison Lab is recruiting! We are searching for postdocs and PhD students to work on a DOE-funded project that aims to quantify microbial responses to drought and consequences for the carbon cycle. Positions are open in trait-based modeling and microbial community or physiological analysis. Check the advertisement and Join page for instructions.

August 30, 2016

A big congratulations to Nameer Baker for successfully defending his dissertation ”Climate drivers of microbial decomposition in southern California” on 8/29!

August 19, 2016

Congratulations to Nameer Baker for winning an Honorable Mention for the Elizabeth Sulzman Award, sponsored by the ESA Biogeosciences Section! The award recognizes his Ecology publication “Ultraviolet photodegradation facilitates microbial litter decomposition in a Mediterranean climate”. Also, Nameer will be defending his dissertation on August 29 at 1pm.

August 11, 2016

Check out our recent publication in the ISME Journal by Sarah Evans: “Effects of dispersal and selection on stochastic assembly in microbial communities”.

August 5, 2016

Congratulations to postdoc Pete Homyak for winning the ESA Gene Likens Award for his recent PNAS publication “Aridity and plant uptake interact to make dryland soils hotspots for nitric oxide (NO) emissions”!

June 6, 2016

Congratulations to Nameer Baker for winning the Forest Shreve Research Fund Award from the Ecological Society of America!

Congratulations to Kelly Ramin for successfully advancing to candidacy for her PhD!

March 29, 2016

Congratulations to Wally Xie for earning an Honorable Mention in this year’s NSF GRFP competition!

March 23, 2016

The past few months have been busy!

Former PhD student Amy Zimmerman has accepted an Assistant Professor position in Biology/Microbiology at Roosevelt University in Chicago. Congratulations Amy!

Also check a recent paper published in collaboration with Adam Martiny’s lab: “Resource allocation by the marine cyanobacterium Synechococcus WH8102 in response to different nutrient supply ratios

and our recent review articles about soil carbon models:

Explicitly representing soil microbial processes in Earth system models

Towards more realistic projections of soil carbon dynamics by Earth system models"

December 11, 2015

Steve Allison comments on recent human necrobiome paper for The Atlantic.

November 18, 2015

Congratulations to Nameer Baker for winning the Public Impact Distinguished Fellowship for his work on climate change and California microbial communities!

October 13, 2014

Check out our recent collaborative publication on quantum dots in PLoS One: "Quantum dots reveal shifts in organic nitrogen uptake by fungi exposed to long-term nitrogen enrichment".

September 14, 2015

Kicking off our new NSF-funded project last week; this is a climate gradient site in the San Jacinto mountains. #UCIClimateExperiment


July 7, 2015

"Causes of variation in soil carbon simulations from CMIP5 Earth system models and comparison with observations" by former PhD student Kathe Todd-Brown was the top-cited article in Biogeosciences for 2014!

June 17, 2015

Congratulations to undergraduate researchers Dorothy Tan, Richard Nguyen, Nasser Hasan, Andrew Kavli, and Melissa Kosla on their graduation! Also congratulations to Dorothy, Richard, and Nasser for being awarded Excellence in Research for their projects in the lab!

May 27, 2015

After Allison Lab bowling night fun at Irvine Lanes:

May 23, 2015

Former postdoc Seeta Sistla's work on agroforestry soils is featured on Huff Post!

May 9, 2015

Steve Allison will be receiving the Chancellor's Award for Excellence in Fostering Undergraduate Research from the Ayala School this year! The award will be recieved at the UROP Symposium on May 16 where six Allison Lab undergraduates will be giving research presentations.

May 7, 2015

Congratulations to undergrad Dorothy Tan for winning the Robert Ernst Prize for Excllence in Plant Biology and undergrad Nasser Hasan for winning the Robert Ernst Prize for Excellence in the Biological Sciences! Both students won these awards for their Excellence in Research projects.

May 3, 2015

A collaborative manuscript led by Anthony Amend entitled "Microbial response to simulated global change is phylogenetically conserved and linked with functional potential" was just accepted by the ISME Journal!

March 13, 2015

A manuscript led by Jen Martiny lab PhD student Kristin Matulich entitled "Temporal variation overshadows the response of leaf litter microbial communities to simulated global change" was just accepted by the ISME Journal!

February 12, 2015

A manuscript entitled "Drying and substrate concentrations interact to inhibit decomposition of carbon substrates added to combusted Inceptisols from a boreal forest" by former postdoc Donovan German has been accepted by Biology and Fertility of Soils.

Also see the review article in Science this week on which former PhD student Amy Zimmerman was a coauthor. Congratulations Amy!

January 9, 2015

Congratulations to Nasser Hasan and a separate team including Dorothy Tan, Richard Nguyen, Delaney Islip, Andrew Kavli, and Melinda Lee for being awarded grants from the Undergraduate Research Opportunities Program!

December 11, 2014

Congratulations to Nameer Baker on being awarded a Mathias Grant for his dissertation research in the UC Natural Reserves!

December 2, 2014

Nameer Baker's manuscript "Ultraviolet photodegradation facilitates microbial decomposition of litter in a Mediterranean climate" was just accepted for publication in Ecology. Congratulations Nameer!

November 6, 2014

Our manuscript "Cellulolytic potential under environmental changes in microbial communities from grassland litter" by Berlemont et al. has been accepted by Frontiers in Microbiology!

October 9, 2014

Steve Allison's paper "Modeling adaptation of carbon use efficiency in microbial communities" has been accepted at Frontiers in Microbiology

October 1, 2015

Welcome to Will Sherman and Lara Clemens who will be joining the lab for the fall as Mathematical, Computational and Systems Biology rotation students!

September 24, 2014

The Earth System Science department has produced a snazzy new video on YouTube that includes Allison Lab undergraduate Nasser Hasan sampling water around the 1 minute mark!

September 22, 2014

Our paper "Substrate concentration constraints on microbial decomposition" has been published in Soil Biology & Biochemistry with former undergrad Stephany Chacon and former postdoc Donovan German as co-authors!

September 10, 2014

Welcome to Cathrine Gundersen who will be in the Allison lab through December as a visiting PhD student from the Department of Chemistry at the University of Oslo, Norway!

September 9, 2014

Results of a collaboration with Northern Arizona University have just been published in Nature Climate Change: "Accelerated microbial turnover but constant growth efficiency with warming in soil". Check out the press release by NAU!

August 30, 2014

Steve Allison is on the way to England to give lectures at the Emerging Challenges and Opportunities in Soil Microbiology Focus Meeting in Loughborough, the Isaac Newton Institute and Microsoft Research in Cambridge, and Oxford University.

June 19, 2014

Postdoc Sarah Evans will be starting her own lab at Michigan State's Kellogg Biological Station in August. Her lab website is now available here.

June 9, 2014

Members of the Allison lab after Steve's Long Beach Chorale concert at the Aquarium of the Pacific in Long Beach on June 8:

Lab photo at Aquarium of the Pacific

June 3, 2014

Congratulations to PhD candidate Nameer Baker for passing his advancement exam!

May 19, 2014

Congratulations to undergrad Annmarie Mendoza who gave an excellent oral presentation on her lab research at the UROP conference this past weekend!

Annmarie 20140517

May 11, 2014

Our collaborative paper with Adam Martiny's group "Elemental stoichiometry of Fungi and Bacteria strains from grassland leaf litter" has been accepted by Soil Biology & Biochemistry!

April 25, 2014

Postdoc Seeta Sistla saw the UCI mascot while doing her fieldwork in Nicaragua:

IMG 6596

March 28, 2014

Our paper "Extracellular enzyme production and cheating in Pseudomonas fluorescens depend on diffusion rates" has been accepted by Frontiers in Microbiology.

March 6, 2014

Kathe Todd-Brown's paper "Changes in soil organic carbon storage predicted by Earth system models during the 21st century" has been accepted at Biogeosciences.

January 21, 2014

Congratulations to undergraduate Annmarie Mendoza for being awarded a UROP grant to support her project "Adaptive Temperature-Based Evolution Affecting the Fungal Extracellular Enzyme Activity of Neurospora discreta"!

January 8, 2014

Steve Allison's collaborative project with Jianwei Li at the University of Oklahoma has been published online in Biogeochemistry: "Soil carbon sensitivity to temperature and carbon use efficiency compared across microbial-ecosystem models of varying complexity"

December 6, 2013

Kathe's paper "Changes in soil organic carbon storage predicted by Earth system models during the 21st century" is under review as a discussion paper at Biogeosciences Discussions.

November 26, 2013

Kathe successfully defended her dissertation today. Congratulations Dr. Todd-Brown!

November 11, 2013

PhD student Kathe Todd-Brown will be defending her dissertation on Tues Nov 26 at 1pm in Croul Hall 3101 (Round Room)!

November 6, 2013

Former PhD student Amy Zimmerman's paper "Phylogenetic constraints on elemental stoichiometry and resource allocation in heterotrophic marine bacteria" has been accepted by Environmental Microbiology. Congratulations Amy! 

Also, her manuscript "Phosphate supply explains variation in nucleic acid allocation but not C : P stoichiometry in the Western North Atlantic" is published for comment in Biogeosciences Discussions.

October 16, 2013

Postdoc Seeta Sistla is giving a talk at the Arctic Futures Symposium 2013 in Brussels, Belgium.

September 18, 2013

A paper led by former undergraduate Chris Bach and former postdoc Donovan German is now published online in Soil Biology and Biochemistry: "Measuring phenol oxidase and peroxidase activities with pyrogallol, L-DOPA, and ABTS: Effect of assay conditions and soil type". Congratulations Chris!

August 12, 2013

Congratulations to Sarah Evans, who will be starting a faculty position at the Kellogg Biological Station (Michigan State Univ.) next year!

August 9, 2013

Steve Allison discussed climate change and microbial carbon cycling with Mike DeLeonardis on KPFT 90.1 FM in Houston [mp3]

August 4, 2013

Our collaborative paper "Global soil carbon projections are improved by modelling microbial processes" is now published online in Nature Climate Change. This work shows that global soil carbon depends on the degree of microbial adaptation under climate change. Also see the UCI press release.

August 2, 2013

Amy Zimmerman successfully defended her dissertation! Congratulations Amy!

July 31, 2013

Emma Aronson's paper "Environmental impacts on the diversity of methane-cycling microbes and their resultant function" is now published in Frontiers in Microbiology.

June 28, 2013

Our collaborative paper "A model for variable phytoplankton stoichiometry based on cell protein regulation" is now published in Biogeosciences.

June 8, 2013

Undergraduate Stephanie Chen has been awarded Excellence in Research for her project "Response of grassland microbial activity to nitrogen and precipitation treatments". Congratulations Stephanie!

June 5, 2013

Steve Allison has been named an Early Career Fellow by the Ecological Society of America for 2013-2017.

May 28, 2013

Kathe received a Jenkins Graduate Fellowship to support her research in Earth System Science--Congratulations Kathe!

May 14, 2013

Seeta Sistla has joined the lab as a NOAA Climate and Global Change Postdoc. Welcome Seeta!

Former REU student Charlotte Alster's paper "Microbial enzymatic responses to drought and to nitrogen addition in a southern California grassland" is published in Soil Biology and Biochemistry.

April 3, 2013

Kelly Ramin will be joining our lab as a PhD student beginning Fall 2013. Welcome Kelly!

April 2, 2013

Charlotte Alster's paper "Microbial enzymatic responses to drought and to nitrogen addition in a southern California grassland" was just accepted by Soil Biology and Biochemistry. Congratulations! Charlotte was an NSF REU student in the lab.

March 13, 2013

Kathe's paper "Causes of variation in soil carbon simulations from CMIP5 Earth system models and comparison with observationsis now published online in Biogeosciences. Congratulations Kathe!

March 11, 2013

Steve received official word that he will be granted tenure at UCI, effective July 1!

January 10, 2013

Amy's paper "Microdiversity of extracellular enzyme genes among sequenced bacterial genomesis now published online in the ISME Journal. Congratulations Amy!

November 27, 2012

Our collaborative manuscript "Fundamentals of microbial resistance and resilience" was accepted for publication in Frontiers in Microbiology.

October 30, 2012

Our manuscript "Microbial abundance and composition influence litter decomposition response to environmental change" was accepted for publication in Ecology.

October 18, 2012

Kathe's manuscript "Causes of variation in soil carbon predictions from CMIP5 Earth system models and comparison with observations" is published and available for comment in Biogeosciences Discussions.

October 2, 2012

We are looking for talented PhD students to join the lab for Fall 2013. Contact Steve Allison if you are interested in applying.

September 27, 2012

Check out our newest publication in Frontiers in Microbiology: "Cooperation, competition, and coalitions in enzyme-producing microbes: social evolution and nutrient depolymerization rates".

Summer 2012

Congratulations to postdoc Emma Aronson on her new faculty position at UC Riverside in the Department of Plant Pathology and Microbiology; she will be starting summer 2013. Also congratulations on her paper "Meta-analysis of environmental impacts on nitrous oxide release in response to N amendment" published in Frontiers in Microbiology.

Steve Allison comments to the LA Times on Science paper documenting trophic effects on litter decomposition.

Congratulations to Amy Zimmerman for winning the Edward A. Steinhaus Award for outstanding teaching and mentoring!

Congratulations to Sarah Evans for receiving an NSF Math and Biology postdoc fellowship. She will be joining our lab in the fall.

Steve Allison's paper "A trait-based approach for modelling microbial litter decomposition" was recently published in Ecology Letters.

© Steven Allison 2012