Foundational investigations into bacterial surface glycan dynamics

Active Project Grant Awarded Last action

Award ID
R35GM155340
Recipient
Awarding agency
Obligated
$1,159,200

Award facts

Assistance listing
93.859 Biomedical Research and Research Training
Completion date 43% complete
Place of performance
Boston, MA 02115, USA

Award details come from USAspending.gov.

Description

Abstract
Bacteria have existed for millions of years and have evolved sophisticated methods of communication. One primary mechanism is through the glycans on their surface, which facilitate interactions between bacterial cells and enables their invasion into host cells. Obtaining a fundamental understanding of these glycan interactions offers an avenue to stop bacterial invasions and develop new therapeutic interventions. By introducing advanced computational techniques, we will elucidate the multifaceted world of bacterial surface glycans, bridging the gaps in our current understanding and advancing new avenues in glycobiology research. These goals align with our lab's mission of computationally modeling biological interfaces: • constructing in silico libraries of bacterial surface glycans: our goal is to develop a searchable and publicly available in silico glycan library. Within the first five years, we will focus on amino sugars and essential bacterial surface glycans, including LPS serotypes, tailored for docking studies designed for both computational and experimental researchers. Beyond five years, we will continuously update and add to this library including peptidoglycans and o-linked glycans. • elucidating the foundations of glycan-collectin dynamics: our goal is to create design rules for glycan-collectin dynamics setting the foundation for the "collectin designer" software tool. Within the first five years, we will focus on modeling, analyzing, and assessing the interactions of bacterial surface glycans with two human collectins. Beyond five years, we will expand to the other four human collectins and continue adding to the design rules which will lead to the creation of the collectin designer software. • developing a process to optimize bacterial glycan interactions with collectins using SP-d interaction with pseudomonas aeruginosa (PA) glycans as a model system: our goal is to develop a process to optimize bacterial glycan interactions with collectins. Within the first five years, we will design a theoretical SP-d that binds more effectively to the LPS and pilin structures of PA. We will test the efficacy of binding through in vitro binding assays. Beyond five years, we will refine our SP-d model and test in vivo. The vision of this research program is to bring an integrated approach that synergizes computational tools and experimental validations, to deepen our foundational knowledge of glycan-collectin interactions and their broader implications.

Transactions

Action Obligated Date
Amendment $390,400
Amendment $386,200
Original award $382,600

Quick answers

Who received award R35GM155340?

R35GM155340 was awarded to Northeastern University by National Institute of General Medical Sciences (National Institutes of Health) on September 15, 2024.

How much is award R35GM155340 worth?

$1,159,200 has been obligated on R35GM155340.

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