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Mechanisms of Candida auris Colonization in the Skin

Award Number: R01AI177604
ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 08/18/2023
PERIOD OF PERFORMANCE END DATE: 07/31/2027

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Mechanisms of Candida auris Colonization in the Skin - Project Summary Candida auris (CA), an emerging multi-drug resistant fungal pathogen that predominately colonizes in the skin has recently been classified as an urgent threat by the US Centers for Disease Control and Prevention (CDC) Antibiotic Threats Report. CA asymptomatically colonizes the skin for prolonged periods and rapidly spreads between hospitalized patients and nursing home residents via nosocomial transmission resulting in outbreaks of systemic infections. CA gains access to the blood in patients requiring indwelling devices leading to invasive infections resulting in mortality ranging from 40 to 60 percent among CA infected patients. Majority of CA isolates exhibit resistance to all three classes of FDA-approved antifungal drugs including azoles, polyenes, and echinocandins posing a significant challenge to treat this fungal pathogen. Therefore, understanding the factors regulating CA skin colonization is important to control CA outbreaks and prevent invasive CA infections. Recently, we have uncovered that skin microbiota regulate the CA skin colonization. Based on our compelling data, we will define the microbiota and host mediated mechanism(s) that control CA skin colonization. In Aim 1, we will define how skin microbiota directly inhibit CA growth and skin colonization and In Aim 2, we will define the host-mediated mechanisms through which skin microbiota regulate CA skin colonization. Understanding the microbiota and host factors in the regulation of CA is expected to lead to a more complete understanding of the factors that control CA skin colonization, with the long-term aim of identifying new antifungal therapeutic strategies.


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 = $597,630 )
2025	2025	PURDUE UNIVERSITY	2550 NORTHWESTERN AVE # 1100	WEST LAFAYETTE	IN	47906	TIPPECANOE	USA	Allergy and Infectious Diseases Research	000	3	7/15/2025	NON-COMPETING CONTINUATION	$597,630
														Subtotal = $597,630

Issue Date FY: 2024 ( Subtotal = $599,355 )
2024	2024	PURDUE UNIVERSITY	2550 NORTHWESTERN AVE # 1100	WEST LAFAYETTE	IN	47906	TIPPECANOE	USA	Allergy and Infectious Diseases Research	000	2	7/10/2024	NON-COMPETING CONTINUATION	$599,355
														Subtotal = $599,355

Issue Date FY: 2023 ( Subtotal = $595,450 )
2023	2023	PURDUE UNIVERSITY	2550 NORTHWESTERN AVE STE 1900	WEST LAFAYETTE	IN	47906	TIPPECANOE	USA	Allergy and Infectious Diseases Research	000	1	8/18/2023	NEW	$595,450
														Subtotal = $595,450

Grand Total All Awards = $1,792,435

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Mechanisms of Candida auris Colonization in the Skin

Award Number: R01AI177604

ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

PERIOD OF PERFORMANCE START DATE: 08/18/2023

PERIOD OF PERFORMANCE END DATE: 07/31/2027

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