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Sherif Ghobrial

Affiliation: University of North Carolina at Chapel Hill (UNC-Chapel Hill)

Orcid: 0000-0002-9012-3017

Project: Latitudinal and depth-related contrasts in enzymatic capabilities of pelagic microbial communities: Predictable patterns in the ocean? (2 datasets)

Dataset	Latest Version Date	Current State
Hydrolysis rates from bulk water sample incubations from R/V Endeavor cruise EN556 in 2015 Role: Contact	2023-03-14	Final no updates expected
Polysaccharide hydrolysis rates from bulk water and 3 µm retained fraction (particle-associated) incubations in the Northwest Atlantic aboard the R/V Endeavor cruise EN584 from Jun to Jul 2016 Role: Technician	2025-11-26	Preliminary and in progress

Project: A mechanistic microbial underpinning for the size-reactivity continuum of dissolved organic carbon degradation (5 datasets)

Dataset	Latest Version Date	Current State
Particulate organic carbon concentrations and monosaccharide composition of POM-derived carbohydrates from samples taken during R/V Endeavor cruise EN638 in the Western North Atlantic in May 2019 Role: Data Manager	2025-10-03	Preliminary and in progress
Measurement of polysaccharide hydrolase activities from mesocosm incubations from water samples taken aboard R/V Endeavor cruise EN638 in the Western North Atlantic in May 2019 Role: Data Manager	2025-10-24	Preliminary and in progress
Carbohydrate microarray (epitope) analyses of POM-derived carbohydrates in the Western North Atlantic Ocean in May 2019 Role: Data Manager	2025-10-03	Preliminary and in progress
Detection and Quantification of Cells Exhibiting 'Selfish' Uptake in samples taken during R/V Endeavor cruise EN638 in the Western North Atlantic in May 2019 Role: Data Manager	2025-11-03	Preliminary and in progress
Cell abundance in HMW-DOM amended mesocosm incubations from water collected in the Western North Atlantic during the research cruise EN638 in May 2019 aboard R/V Endeavor Role: Data Manager	2026-03-17	Preliminary and in progress

Project: Collaborative Research: Pressure effects on microbially-catalyzed organic matter degradation in the deep ocean (4 datasets)

Dataset	Latest Version Date	Current State
Polysaccharide Hydrolase activities in Danish coastal seawater and sediments under varying hydrostatic pressures on samples collected in September 2023 Role: Data Manager	2025-06-10	Final no updates expected
Cell counts exhibiting 'Selfish' uptake in the Western North Atlantic, in Danish coastal seawater, and abyssopelagic waters off the eastern coast of Japan under varying hydrostatic pressures, 2023-2024 Role: Data Manager	2025-06-06	Final no updates expected
Bacterial productivity of samples from three stations in the Western North Atlantic aboard R/V Atlantic Explorer cruise AE2413 during May 2024 Role: Scientist	2025-06-06	Final no updates expected
Polysaccharide hydrolase activities from water samples collected at various sites under varying hydrostatic pressures in the Western North Atlantic aboard R/V Atlantic Explorer cruise AE2413 in May 2024 Role: Data Manager	2025-07-23	Final no updates expected

Project: Substrate structural complexity and abundance control distinct mechanisms of microbially-driven carbon cycling in the ocean (5 datasets)

Dataset	Latest Version Date	Current State
Peptidase and glucosidase activities from mesocosm and bulk water incubations from waters taken aboard the R/V Endeavor in the Western North Atlantic during the research cruise EN683 in May and June, 2022. Roles: Data Manager, Contact	2025-03-17	Final no updates expected
Polysaccharide hydrolysis rates from mesocosm and bulk water incubations from waters taken aboard the R/V Endeavor in the Western North Atlantic during the research cruise EN683 in May and June 2022 Role: Technician	2025-10-02	Preliminary and in progress
Bacterial Productivity measurement of bulk seawater and mesocosm experiments taken aboard the R/V Endeavor in the Western North Atlantic during the research cruise EN683 in May and June, 2022 Role: Technician	2025-10-02	Preliminary and in progress
Monosaccharide Composition of HMWDOM concentrate and POM-derived Carbohydrates from bulk seawater and mesocosm experiments taken aboard the R/V Endeavor in the Western North Atlantic during the research cruise EN683 in May and June, 2022 Role: Data Manager	2025-10-16	Preliminary and in progress
Detection of polysaccharide enzymatic hydrolysis using a novel detection method from waters taken aboard the R/V Endeavor in the Western North Atlantic (EN683 in May and June, 2022), and from a freshwater lake in North Carolina in 2025 Role: Data Manager	2026-02-04	Data not available