Virginia Johnson Thesis Defense

By Patricia Walker on April 12, 2022

“Assembly and Repair of Photosystem II” Wednesday, April 20, 2022 3:00 PM Rebstock Building Room 322

2022 Arnon Lecture

By Patricia Walker on February 28, 2022

Dr. Pakrasi will be presenting on”Fast-growing cyanobacteria as call factories for sustainable bioproduction” at the  2022 Arnon Lectur...

Midwest/Southeast Photosynthesis Conference 2021

By Patricia Walker on October 13, 2021

The Pakrasi Lab is attending the 47th annual Midwest/Southeast Photosynthesis Conference Virtual meeting taking place October 22-23 2021 Patricia W...

NSF funds UTEX 2973 Development Project

By Patricia Walker on February 15, 2021

The Pakrasi Lab recently received $1.7 million in funding from the National Science Foundation to redesign the genome of a fast-growing cyanobacter...

Pakrasi Lab’s newest post-doc

By Patricia Walker on December 10, 2020

A warm welcome to Dr. Annesha Sengupta. Annesha completed her Ph.D. from the Department of Chemical Engineering at the Indian Institute of Technolo...

NSF funds research on nitrogen fixation

By Kristen on October 9, 2019

The Pakrasi Lab recently received $1.2 million in funding from the National Science Foundation to study the unicellular nitrogen-fixing cyanobacter...

Pakrasi Featured in Podcast

By Kristen on January 2, 2018

Himadri Pakrasi was recently interviewed for the Washington University Natural Sciences and Math Podcast. The episode, hosted by Claire Gauen, is e...

Water World

By Kristen on November 21, 2017

Work by postdoctoral research associate Daniel Weisz was recently highlighted in the Science and Technology section of the Washington University on...

Sunblock for Bacteria

By Kristen on May 31, 2017

Research from the Pakrasi Lab was recently highlighted by Frontiers in Energy Research, the Energy Frontier Research Center’s newsletter. The...

Probing an Unusual Nitrogen Fixing Symbiosis

By Kristen on January 27, 2017

Symbiotic relationships between unicellular microorganisms are essential components of global ecosystems. Recently, a unique marine symbiosis was d...

New Doctor in the Lab

By Kristen on August 29, 2016

Congratulations to the newly vetted Ph.D. in the lab, Dr. Amelia Nguyen! Amelia gave her thesis defense presentation, entitled “Use of Proteo...

Returned Lab Member: Anindita Bandyopadhyay

By Kristen on August 17, 2016

The Pakrasi Lab is excited to announce the return of previous lab member and postdoctoral researcher Anindita Bandyopadhyay. Anindita rejoins us af...

Photo Gallery Addition

By Kristen on August 12, 2016

With all of the lab happenings, it became clear that photo gallery was a necessary website addition. Check out our new “Gallery” tab, w...

iGEM 2014: team nitroGENIOUS

By rajibsaha on June 11, 2014

For 2014, iGEM @ WUSTL and the Pakrasi Lab will continue their exciting new project. These undergraduate students will seek to make an E. coli stra...

11th Workshop on Cyanobacteria

By rajibsaha on August 6, 2013

This week, I-CARES is hosting the 11th workshop on cyanobacteria on the campus of Washington University in St. Louis. Many members of the Pakrasi L...

Amelia Nguyen wins NSF-GRF award

By rajibsaha on May 13, 2013

Congratulations to Amelia Nguyen on her recent NSF-GRF award!  Within the biology department, Tara Enders (Strader Lab) also received an NSF-GRF aw...

Pakrasi Lab Members mentor WashU iGEM 2012

By rajibsaha on June 6, 2012

Pakrasi lab members Brian Landry (a former iGEM participant), Larry Page, and Bert Berla are joining with Profs. Joe Jez and Gautam Dantas mentorin...

Mini Updates

06/16-19/2022 The Pakrasi lab is attending the 14th annual Workshop in Cyanobacteria hosted by Michigan State University this year.

10/23/2021 Congratulations to Annesha Sengupta for winning the “Best Post-Doc Talk” award at this year’s MW Photosynthesis meeting.

10/12/2021 Pakrasi Lab members, Ginger Johnson, Patricia Walker, and Jorge Guio presented at the 2021 PMB retreat.

9/08/2021 The Pakrasi Lab welcomes a visiting graduate student from Spain. Jorge will be working closely with Dr. Bandyyopadhyay and Dr. Liu.

4/20/2021 The Pakrasi Lab welcomes visiting scholar, Dr. Max Schubert. Max will be working in the lab to create a transposon library for UTEX 2973 as a part of the minimal genome project.

3/10/2021 The Pakrasi Lab welcomes our newest rotation student, William McHargue. Will will be working alongside postdoctoral researcher, Deng, and other members of the lab on his rotation project for the next few weeks.

The Pakrasi Lab welcomes our newest rotation student, Adrienne Brauer. Adrienne will be working alongside postdoctoral researcher, Sandeep, and other members of the lab on a PSII rotation project for the next few weeks.

Michelle Liberton will be presenting “Probing photosynthesis and nitrogen fixation in Cyanothece 51142, a unicellular cyanobacterium” to Washington University’s Biology department virtual Bioforum seminar.

12/11/2020 Ginger Johnson will be presenting a talk “A Reversibly Induced CRISPRi System Targeting Photosystem II in the Cyanobacterium Synechocystis sp. PCC 6803” to the Plant and Microbial Biology Breakfast Seminar.

12/10/2020 The Pakrasi Lab is excited to announce the return of previous lab member and visiting graduate student Annesha Sengupta. Dr. Sengupta rejoins us after completing her Ph.D. from the Department of Chemical Engineering at the Indian Institute of Technology Bombay, India, and will be returning as a postdoctoral researcher in the lab. Welcome back Annesha!

  Congratulations to Dr. Kristen Wendt on the successful defense of her doctoral dissertation!  Kristen presented her thesis work to her committee and a public audience via Zoom, the first graduate student from the Pakrasi lab to have a virtual defense.  Kristen’s thesis, entitled “Engineering natural competence into the fast-growing cyanobacterium Synechococcus elongatus UTEX 2973”, described work she performed in the Pakrasi lab as a student in the Molecular Genetics and Genomics Program.

2/19/2020 Himadri Pakrasi, in collaboration with several established members of the cyanobacteria research community, authors a publication that discusses new trends in the phylogenetic classification of cyanobacteria.

2/3/2019 Research Scientist Michelle Liberton was featured in this month’s Washington University Biology newsletter Biology Spotlight. Read the article here.

12/13/2019 Postdoctoral researchers Cory Knoot and Sandeep Biswas publish a manuscript describing a new Cas12-based CRISPR interference system for the fast-growing cyanobacterial strain Synechococcus sp. UTEX 2973. 

10/29/2019 Nine members of the Pakrasi Lab attended the 45th Annual Midwest/Southeast Photosynthesis Conference at Turkey Run State Park in Marshall, IN. Congratulations to postdoctoral researcher Cory Knoot and graduate student Virginia Johnson for receiving awards for their poster presentations. Pictures from the conference are in the Gallery.

10/8/2019 Congratulations to previous lab member Daniel Weisz and current graduate student Virginia Johnson on the publication of “A novel chlorophyll protein complex in the repair cycle of photosystem II” in the journal PNAS

6/6/2019 Six members of the Pakrasi Lab attended the 13th Workshop on Cyanobacteria in Boulder, CO. Pictures are available in the Gallery

5/2/2019 Congratulations to Dr. Po-Cheng Lin and Dr. Steven Chen on successfully defending their doctoral theses! The newly vetted doctors will receive their academic hoods in the May 16th McKelvey School of Engineering Recognition Ceremony. 

2/4/2019 Congratulations to Postdoctoral Researcher Cory Knoot on publishing a manuscript on substituting cyanobacterial hydrocarbon synthesis enzymes in Scientific Reports

11/7/2018 The Pakrasi group publishes a paper in the journal PNAS on the genetic determinants of accelerated growth in the novel cyanobacterium Synechococcus elongatus UTEX 2973. 

10/23/18 Graduate Student Tricia Walker has been awarded a Bayer Graduate Fellowship to fund her thesis work. Congratulations Tricia!

10/13/2018 Congratulations to Graduate Student Po-Cheng Lin for his success in the 3-Minute Thesis Competition held in Beijing, China. Po-Cheng received both the Grand Prize and the People’s Choice Award. Pictures of the event are posted in the Gallery. 

9/27/2018 A cohort of graduate students and postdocs from the Pakrasi Lab attended the 2018 DDPSC Fall Symposium to present their research. Pictures of the event are in the Gallery

9/11/2018 Graduate student Ginger Johnson, research scientist Michelle Liberton, and Himadri Pakrasi visited Oak Ridge National Laboratory for a research workshop on using the facility’s technology to study cyanobacterial biology. Pictures of the visit may be viewed in the Gallery

6/6/2018 Kudos to postdoctoral researcher Deng Liu on the publication of his manuscript entitled “Engineering Nitrogen Fixation Activity in an Oxygenic Phototroph” in the journal mBio

5/31/2018 Congratulations to graduate student Ginger Johnson on her acceptance into the Washington University Imaging Sciences Pathway.

4/10/2018 Undergraduate student Jack Mao received an award from The Washington University Biology Summer Undergraduate Research Fellowship (BioSURF) Program to participate in research in the lab throughout the summer. 

3/27/2018 Congratulations to postdoctoral researcher Deng Liu on the publication of his manuscript entitled “Exploring native genetic elements as plug-in tools for synthetic biology in the cyanobacterium Synechocystis sp. PCC 6803″ in the journal Microbial Cell Factories

2/6/2018 Kudos to Justin Ungerer and other lab members on the publication of a manuscript on the physiology of the fast-growing cyanobacterium Synechococcus UTEX 2973 in mBio.

1/29/2018 Congratulations to Steven Chen and Anindita Bandyopadhyay on their publication of a review on the light-harvesting protein IsiA in Photosynthetica.

1/15/2018 The Pakrasi Lab welcomes visiting scholar Zi Ye. Zi is visiting from China and will be doing research on one of the lab’s Anabaena strains during her time here. 

12/13/17 The Lab is happy to congratulate Po-Cheng Lin on his publication of his manuscript on engineering enhanced limonene production in Synechocystis 6803 in Scientific Reports.

11/20/2017 Congratulations to Daniel Weisz on his recent publication of Reactive oxygen species leave a damage trail that reveals water channels in Photosystem II in Scientific Advances

11/10/2017 The Pakrasi Lab Co-Hosted a Biology Department Fall Gathering with the Imaging Center. Check out pictures of the event in the Gallery.  

10/30/2017 Eight members of the Pakrasi Lab attended the 43rd Annual Midwest/Southeast Photosynthesis Conference at Turkey Run State Park. Attendees presented posters and gave oral presentations on their research, and two group members receive awards for their presentations. Pictures of the event are posted in the Gallery.  

10/3/2017 Congratulations to postdocs Cory Knoot and Justin Ungerer on their recent publication of Cyanobacteria: promising biocatalysts for sustainable chemical production in JBC.

9/28/2017 The Pakrasi Lab acquired a new fast fluorescence kinetics microscope from Photon Systems Instruments for the UCYN-A project. PSI Manager Martin Trtilek and Chief Scientist Zuzana Benedikty visited the lab to setup the new instrument and give lab members a tutorial. Visit the Gallery to see pictures of this new acquisition.

8/22/2017 Members of Jonathan Zehr’s lab and Himadri Pakrasi’s lab met at WUSTL to discuss progress in their collaborative studies of the cyanobacterium UCYN-A, which forms a nitrogen-fixing symbiosis with a microalga.  The group welcomed Ana M. Cabello, a postdoctoral associate in the Zehr lab, to the team.

6/28/2017 Research Associate Michelle Liberton is visiting Oak Ridge National Laboratory to collect data on the Biological Small-Angle Neutron Scattering Instrument. She will be working with collaborators to perform experiments that will provide insight on the cellular structure of cyanobacteria. 

6/20/2017 Many Pakrasi Lab members attended the Photosynthetic Antenna Research Center (PARC) 2017 All Hands Meeting at Washington University in St. Louis. Daniel Weisz gave an oral presentation and Steven Chen presented a poster at the meeting. Check out the Gallery for pictures of this event. 

4/22/2017 On Earth Day, the Pakrasi Lab opened its doors to alumni interested in viewing Washington University facilities used for bioenergy research. Lab members gave tours of the lab space and answered questions about research projects.

3/23/2017 The Pakrasi Lab hosted a Thanks-for-Putting-Up-with-the-Renovation-Hubbub Party for our new neighbors in McDonnell Hall. Check out photos of the event in the Gallery.

3/13/2017 The Pakrasi Lab welcomes new laboratory technician Daniel Walton to the lab group. 

3/10/2017 The Pakrasi Lab is happy to announce the addition of new member Ginger Johnson to the lab group. Ginger is a graduate student in the Plant and Microbial Biosciences Program.

3/8/2017 The Pakrasi Lab has just published a manuscript with collaborators at Pacific Northwest National Laboratory on widespread proteomic changes caused by phycobilisome truncation in Synechocystis sp. PCC 6803. 

3/2/2017 Today is moving day for the Pakrasi Lab. We are transferring from our long time home on the 2nd floor of Rebstock Hall to the lower level of McDonnell Hall. Keep up with our move by checking out the Gallery

2/27/2017 The Pakrasi Lab is excited to welcome the newest member of the group, Patricia Walker, into the lab. Patricia is a graduate student in the Plant and Microbial Biosciences Program. 

2/22/2017 Congratulations to Cory Knoot for receiving a postdoctoral fellowship from the Arnold and Mabel Beckman Foundation. He will use this funding to support his research into alkene synthesis in cyanobacteria. 

2/14/2017 Congratulations to Daniel Weisz on his publication in PNAS, which provides insight on the interaction between Psb28 and Cytochrome B559 in PSII. 

2/13/2017 Anindita, Michelle, and Himadri are visiting Palo Alto, CA and Santa Cruz, CA for the UCYN-A project. They will be giving a presentation at the Moore Foundation and visiting the laboratory of collaborator Jonathan Zehr at UC Santa Cruz.

1/9/2017  The Pakrasi Lab is excited to welcome new rotation student Tricia Walker. She will be be working on making a psaAB deletion in Synechocystis PCC. 6803 using the Cpf1 genome editing system for her rotation project.