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I am Intramural Blog

infectious diseases

Postdoc Profile: Eavesdropping On Bacterial Banter

Dr. Tiffany Zarrella Examines Communication Between Bacteria to Combat Persistent Infections

Wednesday, October 12, 2022

Dr. Tiffany Zarella

Facebook’s nearly 3 billion users may seem like a huge social network, but it pales in comparison to the conversations among the trillions of microbes that live inside a single human body. Few people know this better than IRP postdoctoral fellow Tiffany Zarrella, Ph.D., who spends her days eavesdropping on the messages bacteria send to one another to improve treatment for stubborn infections.

Dr. Zarrella was drawn to the bacterial world in microbiology lab courses while earning a biochemistry degree at Syracuse University in New York. After graduation, she obtained a research technician position at Albany Medical College, where she worked on projects centered around infectious bacteria and how they respond to their environments. She continued this thread of research in graduate school, moving on to a new study to discover how Streptococcus pneumoniae bacteria, which often cause ear infections and pneumonia, use a particular signaling molecule to resist antibiotic treatments and evade vaccines.

Mosquitos With Human Gene Hinder Malaria Transmission

Genetically Modified Insects Could Help Curb Infections

Tuesday, August 2, 2022

transgenic mosquitos with blue, red, and green eyes

“Scientists create genetically modified mosquitos” sounds like the plot of a bad sci-fi movie, but it’s actually the reality in labs all around the world. Researchers are producing these ‘transgenic’ mosquitos in the hopes that the bugs could help combat the scourge of malaria, and in a recent study, IRP scientists demonstrated that their unique strategy in this realm has strong potential to accomplish that goal.

Poster Days Spotlight Young Researchers

Budding Scientists Showcase Research at Annual Event

Wednesday, May 25, 2022

Yasmin Ali

Any scientist who wants to make game-changing discoveries has to start somewhere — even Albert Einstein worked in a patent office before landing his first job in academia. Through its Postbaccalaureate IRTA program, NIH hopes to give aspiring scientists more of a leg up than Einstein had by bringing them into IRP labs after they complete their undergraduate studies.

On April 26, 27, and 28, more than 900 recent college graduates participating in the program presented at this year’s virtual Postbac Poster Days. Read on to learn about a few of these young researchers and their contributions to the groundbreaking work being done at NIH.

Global Scientists Come Together at the National Institutes of Health

Individuals From Around the World Drive IRP Breakthroughs

Wednesday, August 11, 2021

Dr. Flossie Wong-Staal

Come to NIH and you’ll hear many accents. Scientists from around the world have always contributed significantly to the NIH mission. The resulting diversity of backgrounds and perspectives makes the NIH Intramural Research Program an extremely stimulating and productive environment. Read on to learn about some of the many scientists of the past and present who brought their talents from abroad to one of the world’s leading institutions for biomedical research.

Who's an NIH Engineer to Call?

Friday, July 10, 2015

The engineers of NIH’s Building 7 covered the cinder block wall around the phone in the attic with important phone numbers.

NIH wall phone in situ

Early Vaccine Research: Rickettsial Diseases in 1951

Saturday, June 20, 2015

Only one building was restricted during the 1951 NIH open house—Building 7, specially designed for infectious disease research. Children under 16 were not admitted. And there was only one demonstration: Dr. Karl Habel of NIH's National Institute of Allergy and Infectious Diseases (NIAID) showed the special procedures necessary in the collecting and handling of material for research on and vaccine development for rickettsial diseases carried by ticks. In this photo, is Dr. Habel following his own advice?

Karl Habel, NIH NIAID

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