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The roles of sRNA in the physiology and pathogenesis of Mycobacterium abscessus and other mycobacteria

Award Number: R21AI156415
ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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The roles of sRNA in the physiology and pathogenesis of Mycobacterium abscessus and other mycobacteria - Project summary/abstract Mycobacteria cause several human diseases including tuberculosis and leprosy. Mycobacterium abscessus causes serious lung disease particularly in cystic fibrosis patients. M. abscessus infections are especially difficult to treat because the bacteria are intrinsically resistant to many antibiotics. Development of improved therapies requires more information about how M. abscessus regulates its physiology in response to the stressful conditions that it encounters during infection. Regulation of gene expression is a key component of stress responses for most organisms. Small RNAs (sRNAs) have been found to play important roles in gene regulation in a number of other bacterial pathogens. However, little is known about how sRNAs regulate gene expression and contribute to the pathogenesis of mycobacteria, particularly M. abscessus. There is less known about the biology of M. abscessus in general compared to other better-studied mycobacteria, in large part because M. abscessus is difficult to genetically manipulate. We will harness state-of-the-art technologies for both genetic engineering of M. abscessus and the study of sRNAs, in order to address some of the most pressing questions in mycobacterial sRNA biology. We will (1) determine the mechanisms by which the sRNA B11 regulates activity of a secretion system and other virulence-associated phenotypes in M. abscessus, and (2) identify proteins involved in mycobacterial sRNA function and characterize their roles. The proposed studies will provide foundational knowledge needed to facilitate development of more effective treatments for mycobacterial diseases.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2025 ( Subtotal = -$3,197 )
2025	2022	WORCESTER POLYTECHNIC INSTITUTE	100 INSTITUTE RD	WORCESTER	MA	01609	WORCESTER	USA	Allergy and Infectious Diseases Research	000	2	1/21/2025	NON-COMPETING CONTINUATION	-$3,197
														Subtotal = -$3,197

Issue Date FY: 2022 ( Subtotal = $173,447 )
2022	2022	WORCESTER POLYTECHNIC INSTITUTE	100 INSTITUTE RD	WORCESTER	MA	01609	WORCESTER	USA	Allergy and Infectious Diseases Research	000	2	5/11/2022	NON-COMPETING CONTINUATION	$173,447
														Subtotal = $173,447

Issue Date FY: 2021 ( Subtotal = $221,213 )
2021	2021	WORCESTER POLYTECHNIC INSTITUTE	100 INSTITUTE RD	WORCESTER	MA	01609	WORCESTER	USA	Allergy and Infectious Diseases Research	000	1	6/24/2021	NEW	$221,213
														Subtotal = $221,213

Grand Total All Awards = $391,463

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The roles of sRNA in the physiology and pathogenesis of Mycobacterium abscessus and other mycobacteria

Award Number: R21AI156415

ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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