Monday, June 30, 2025 6/30/2025

Cell cycle checkpoint control in C. elegans

Award Number: R35GM141835
ORGANIZATION: NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 08/03/2021
PERIOD OF PERFORMANCE END DATE: 05/31/2026

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Cell cycle checkpoint control in C. elegans - Project Summary Chromosome segregation is precisely controlled to ensure that daughter cells receive the correct number of chromosomes. Cell cycle checkpoints play an important role in this regulation by monitoring chromosome behavior and delaying or arresting the cell cycle to correct errors. Despite being characterized almost exclusively in single cells, the functions of cell cycle checkpoints are perhaps most critical in multicellular organisms, where chromosomal abnormailities can produce cancer, infertility, miscarriages and birth defects. As multicellular organisms develop, cells undergo dramatic changes in size, shape, fate, chromosome structure and cell cycle duration. How the function of cell cycle checkpoints is coordinated with and modulated by these changes in cellular context are unknown. We have shown that checkpoint proteins in one biological context can monitor and regulate radically different chromosome behaviors in a different biological context. By analyzing the function and regulation of essential checkpoint factors in cells that vary in size, shape, fate, and tissue in C. elegans, we will identify mechanisms, both common and unique, that guarantee that chromosomes segregate properly in all cell types. Fundamentally, our future work is focused on addressing two major questions: Does the function of checkpoint proteins vary depending on their biological context, such that the same proteins appear to have dramatically different roles? Or are there common fundamental mechanisms that monitor diverse chromosome behaviors to produce functionally different checkpoint responses?


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 = $385,000 )
2025	2025	UNIVERSITY OF CALIFORNIA SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	001	5	5/14/2025	NON-COMPETING CONTINUATION	$385,000
2025	2024	UNIVERSITY OF CALIFORNIA SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	000	4	11/18/2024	NON-COMPETING CONTINUATION	$0
														Subtotal = $385,000

Issue Date FY: 2024 ( Subtotal = $385,000 )
2024	2024	UNIVERSITY OF CALIFORNIA SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	000	4	5/23/2024	NON-COMPETING CONTINUATION	$385,000
														Subtotal = $385,000

Issue Date FY: 2023 ( Subtotal = $846,384 )
2023	2023	UNIVERSITY OF CALIFORNIA SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	002	3	5/29/2023	SUPPLEMENT FOR EXPANSION	$10,982
2023	2023	UNIVERSITY OF CALIFORNIA SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	003	3	6/8/2023	SUPPLEMENT FOR EXPANSION	$89,074
2023	2023	UNIVERSITY OF CALIFORNIA SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	000	3	5/18/2023	NON-COMPETING CONTINUATION	$385,000
2023	2023	UNIVERSITY OF CALIFORNIA SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	001	3	5/23/2023	SUPPLEMENT FOR EXPANSION	$353,299
2023	2023	UNIVERSITY OF CALIFORNIA SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	004	3	9/14/2023	SUPPLEMENT FOR EXPANSION	$8,029
														Subtotal = $846,384

Issue Date FY: 2022 ( Subtotal = $480,176 )
2022	2022	UNIVERSITY OF CALIFORNIA SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	001	2	6/8/2022	SUPPLEMENT FOR EXPANSION	$13,525
2022	2022	UNIVERSITY OF CALIFORNIA SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	002	2	8/29/2022	SUPPLEMENT FOR EXPANSION	$81,651
2022	2022	UNIVERSITY OF CALIFORNIA SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	000	2	5/10/2022	NON-COMPETING CONTINUATION	$385,000
														Subtotal = $480,176

Issue Date FY: 2021 ( Subtotal = $385,000 )
2021	2021	UNIVERSITY OF CALIFORNIA, SANTA CRUZ	1156 HIGH ST	SANTA CRUZ	CA	95064	SANTA CRUZ	USA	Biomedical Research and Research Training	000	1	8/3/2021	NEW	$385,000
														Subtotal = $385,000

Grand Total All Awards = $2,481,560

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Cell cycle checkpoint control in C. elegans

Award Number: R35GM141835

ORGANIZATION: NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

PERIOD OF PERFORMANCE START DATE: 08/03/2021

PERIOD OF PERFORMANCE END DATE: 05/31/2026

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