Howard Hughes Medical Institute  |  Department of MCDB


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Handelsman Lab

Research in the Handelsman lab focuses on understanding diversity in microbial communities and their role in infectious disease. In particular, we are interested in understanding the genetic basis for stability of microbial communities, the role of a gut community as a source of opportunistic pathogens, and the soil microbial community as a source of new antibiotics and antibiotic resistance genes. More...


swearing in

On July 2, 2014, President Obama appointed Prof. Handelsman to the position of Associate Director for Science in The White House Office of Science and Technology Policy (OSTP). The appointment will last for up to two years. During the time she is working at The White House, her lab at Yale will continue to function under the supervision of two former Handelsman Lab Postdocs, Nichole Broderick and Eric Stabb. Prof. Handelsman’s appointment was covered in YaleNews here.

News & Events:

September 2014

Former Handelsman Lab Graduate Student Jon Holt is now a Microbiology Instructor for Edgewood College in Madison, Wisconsin. Congratulations, Jon!

August 16, 2014

Former Handelsman Lab Postdoc Jenny Kao-Kniffin welcomes a baby girl. Weighing in at 7 lbs 8 oz, Mary Susquehanna was born on August 16. Congratulations, Jenny!

August 2014

Former Handelsman Lab Postdoc Jesse Morin is beginning a position as the Biotechnology Department Head at Norwich Technical High School in Norwich, CT. Congratulations Jesse, and best wishes to you and your family!

July 2014

Former Handelsman Lab Postdoc Ashley Shade is lead author on a paper (co-authored by Prof. Handelsman) titled “Conditionally rare taxa disproportionately contribute to temporal changes in microbial diversity”. The paper was published in mBio and can be found here.

June 2014

Ashley Shade departed Handelsman Lab to become an Assistant Professor of Microbiology and Molecular Genetics at Michigan State University. Congratulations Ashley, and best wishes to you and your family! Prof. Shade’s new lab website can be found here.

May 2014

Handelsman Lab’s Lead Research Scientist Nichole Broderick is lead author on a paper titled, “Microbiota-induced changes in Drosophila melanogaster host gene expression and gut morphology”. The paper was published in mBio and can be found here.

May 2014

Handelsman Lab Undergraduate Katherine McDaniel is graduating from Yale on May 19 with a B.S. in Molecular, Cellular, and Developmental Biology. Next year Katherine will be doing global health work in Cambodia with the support of the Luce Scholars Program. More information about Katherine can be found on the Luce Scholars Program website here. Congratulation and all the best, Katherine!

April 2014

Handelsman Lab Graduate Student Jessica Miles received two travel awards that supported her travel to two events during the spring semester: the Keystone Symposia Student Travel Award to attend Mechanisms and Consequences of Invertebrate-Microbe Interactions in Tahoe City, CA, and the Federation of American Societies for Experimental Biology Maximizing Access to Research Careers (FASEB MARC) Travel Award to attend the Association of Biomolecular Resource Facilities (ABRF) Annual Meeting in Albuquerque, NM. Congratulations, Jessica!

Former Handelsman Lab Postdoc Fabienne Wichmann is lead author on a paper co-authored by another former Handelsman Lab Postdoc Nikolina Udikovic Kolic, along with Prof. Handelsman and Prof. Andrew of UConn, titled “Diverse antibiotic resistance genes in dairy cow manure”. The paper is here and the press release is here.

The workshop led by Ashley Shade has been canceled, but the CT Symbiosis Conference is still on for Friday, April 25. More information about the conference can be found at symbiosis.commons.yale.edu

A manuscript written by K. Aleklett, M. Hart, and Handelsman Lab Postdoc Ashley Shade was accepted for publication by the NRC Research Press journal Botany. The title is “The microbial ecology of flowers: an emerging frontier in phyllosphere research”, and it’s online here. Congratulations, Ashley!

February 2014

Handelsman Lab Undergraduate Grace Liu has been selected as one of four Edward A. Bouchet Fellows for the Yale Class of 2016. Congratulations, Grace!

Handelsman Lab Undergraduate Katherine McDaniel has been accepted into the Luce Scholars Program’s 2014-2015 cohort. Congratulations and all the best in your future travels, Katherine!

January 2014

CST Evaluation Director Mark Graham and his colleagues received an NSF TUES grant for their project titled “Collaborative Research: Impact of the Summer Institutes on Faculty Teaching and Student Achievement”. The award totals over $2.8 million spanning 4 campuses (Yale, University of Colorado, Cornell, and UConn). Congratulations to Mark and everyone involved!

November 2013

A manuscript written by former Handelsman Lab postdoc Jess Blum, current Handelsman Lab graduate students Caleb Fischer and Jessica Miles, and Jo Handelsman was published in mBio. The title is “Frequent replenishment sustains the beneficial microbiome of Drosophila melanogaster” and it’s online here.

October 2013

Handelsman Lab Undergraduate Kira Garry has been featured in the Yale Daily News for her recent accomplishments on the Yale Cross Country Team. Kira recently “led the Bulldog pack, taking 13th place with a time of 17:56”. Earlier this month, Kira also “led the way for the Bulldogs” when she “finished in 25th place in the 142-woman field” with a time of 17:55. More here and here. Way to go, Kira! We look forward to reading and hearing more about the rest of your season.

A manuscript written by CST Evaluation Director Mark Graham et al. was published in Science. The title is “Increasing Persistence of College Students in STEM”, and it’s online here and was covered by Yale News here.

September 2013

Postdoc Jesse Morin and her husband Will welcome a baby boy. Weighing in at 7 lbs 13 oz and 20 inches long, Logan Miles was born at 1:41 PM on September 2. Congratulations, Jesse and Will!

August 2013

A manuscript written by Postdoc Ashley Shade et al. was accepted for publication by Applied and Environmental Microbiology (AEM). The title is “Streptomycin application has no detectable effect on bacterial community structure in apple orchard soil”, and it’s online early on the AEM website here.

Postdoc Ashley Shade and her husband Yann welcome a baby girl. Weighing in at 7 lbs 4 oz and 20 inches long, Leona Rose was born around 7:30 AM on August 11. Congratulations, Ashley and Yann!

Postdoc Tiffany Tsang was featured in YaleNews for her hard work on the Small World Initiative. Congratulations for running such a successful workshop, Tiffany! Full article is here and more information about the Small World Initiative can be found here.

Former Handelsman Lab Undergraduate Yin Guan (daughter of current researcher Changhui Guan) has taken a teaching job for one year at the Kaohsiung American School in Kaohsiung Taiwan. She started on August 1. She will teach math and chemistry. We wish you all the best, Yin!

July 2013

Corinne Moss-Racusin departs Handelsman Lab to become an Assistant Professor of Psychology at Skidmore College. Congratulations Corinne, and best wishes to you and your husband!

June 2013

Former Handelsman Lab Researcher Christine Mlot was published in Science on May 24, 2013. Her article “Are Isle Royale's Wolves Chasing Extinction?” can be accessed here. Congratulations, Christine!

June 10-14, 2013

Mastering Metagenomics

June 2013

Jessamina Blum departed Handelsman Lab in May to become the Managing Editor of CourseSource at the University of Minnesota. Congratulations Jess, and best wishes to you and your family!

May 2013

Handelsman Lab Graduate Student Caleb Fischer will be presenting a poster at asm2013 and the poster was pre-selected as an "Outstanding Student Poster". Caleb Fischer, Jessica Miles, Jessamina Blum and Jo Handelsman are the authors on the poster. Congratulations, everyone!

April 2013

Handelsman Lab Undergraduate Ashley Ferguson will officially be attending NYU School of Law in the fall on a full-tuition scholarship as an AnBryce Scholar. Congratulations, Ashley!

Former Handelsman Lab Postdoc Katie Lynn Mason is getting married to Captain Daniel Summers. The wedding takes place on April 20, 2013 in Plymouth, MI at the Inn at St. John's. Congratulations, Katie and Daniel! Katie is currently a Postdoctoral Fellow at the University of Michigan.

March 2013

Handelsman Lab Graduate Student Jessica Miles was selected to receive a 2013 National Science Foundation (NSF) Graduate Research Fellowship Program (GRFP) Fellowship. Congratulations, Jessica!

January 2013

Former Handelsman Lab Graduate Student Brad Borlee and his wife Grace welcome a baby girl. Weighing in at 7 lbs 1 oz, Madison Olivia Borlee was born at the end of January. Congratulations, Brad and Grace! Brad is currently an Assistant Professor of Microbiology, Immunology and Pathology at Colorado State University.

June 2-9, 2012

Mastering Metagenomics

November 21, 2011

Postdoc Jessamina Blum and her husband Craig welcome a baby girl. Weighing in at 6 lbs 9.5 oz and 29 3/4 inches long, Giada Elizabeth was born around 9:00 PM on November 21. Congratulations, Jess and Craig!

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