Recalcitrant dissolved organic matter and its major production and removal processes in the ocean

R Cai, N Jiao - Deep Sea Research Part I: Oceanographic Research …, 2023 - Elsevier
Dissolved organic matter (DOM) in the ocean accounts for nearly 662 Pg of carbon, most of
which is formed into a long-lived carbon pool that plays an important role in carbon …

Analytical and computational advances, opportunities, and challenges in marine organic biogeochemistry in an era of “omics”

AD Steen, S Kusch, HA Abdulla, N Cakić… - Frontiers in Marine …, 2020 - frontiersin.org
Advances in sampling tools, analytical methods, and data handling capabilities have been
fundamental to the growth of marine organic biogeochemistry over the past four decades …

Resource heterogeneity structures aquatic bacterial communities

ME Muscarella, CM Boot, CD Broeckling… - The ISME …, 2019 - academic.oup.com
Microorganisms are strongly influenced by the bottom-up effects of resource supply. While
many species respond to fluctuations in the concentration of resources, microbial diversity …

Hypolimnetic deoxygenation enhanced production and export of recalcitrant dissolved organic matter in a large stratified reservoir

L Qu, C He, Z Wu, RA Dahlgren, M Ren, P Li, Q Shi… - Water Research, 2022 - Elsevier
Global impoundment of river systems represents a major anthropogenic forcing to carbon
cycling in reservoirs with seasonal thermal stratification. Currently, a quantitative and …

Disentangling microbial networks across pelagic zones in the tropical and subtropical global ocean

IM Deutschmann, E Delage, CR Giner… - Nature …, 2024 - nature.com
Microbial interactions are vital in maintaining ocean ecosystem function, yet their dynamic
nature and complexity remain largely unexplored. Here, we use association networks to …

Different carboxyl‐rich alicyclic molecules proxy compounds select distinct bacterioplankton for oxidation of dissolved organic matter in the mesopelagic Sargasso …

S Liu, R Parsons, K Opalk, N Baetge… - Limnology and …, 2020 - Wiley Online Library
Marine dissolved organic matter (DOM) varies in its recalcitrance to rapid microbial
degradation. DOM of varying recalcitrance can be exported from the ocean surface to depth …

Molecular characteristics of microbially mediated transformations of Synechococcus‐derived dissolved organic matter as revealed by incubation experiments

Q Zheng, Q Chen, R Cai, C He, W Guo… - Environmental …, 2019 - Wiley Online Library
In this study, we investigated the microbially mediated transformation of labile
Synechococcus‐derived DOM to RDOM using a 60‐day experimental incubation system …

Solid phase extraction of ocean dissolved organic matter with PPL cartridges: efficiency and selectivity

E Jerusalén-Lleó, M Nieto-Cid… - Frontiers in Marine …, 2023 - frontiersin.org
Our current knowledge of the chemical composition of ocean dissolved organic matter
(DOM) is limited, mainly because of its extreme molecular diversity, low concentration of …

Variations in dissolved organic matter chemistry on a vertical scale in the eastern Indian Ocean

Y Liu, X Liu, Y Long, Y Wen, C Ma, J Sun - Water Research, 2023 - Elsevier
Oceans cover approximately 71% of the Earth's surface area, which is why some people
refer to the Earth as a large water sphere. Marine dissolved organic matter (DOM) …

Highly enriched N‐containing organic molecules of Synechococcus lysates and their rapid transformation by heterotrophic bacteria

Q Zheng, W Lin, Y Wang, Y Li, C He… - Limnology and …, 2021 - Wiley Online Library
Phytoplankton are major contributors of labile dissolved organic matter to marine euphotic
zone ecosystems. Viral‐mediated phytoplankton lysis releases a considerable amount of …