期刊
CELL REPORTS METHODS
卷 2, 期 5, 页码 -出版社
CELL PRESS
DOI: 10.1016/j.crmeth.2022.100216
关键词
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资金
- Australian Research Council (ARC) [DE180100911]
- Gordon & Betty Moore Foundation Symbiosis in Aquatic Systems grant
- Helmholtz Association (Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research)
- Cluster of Excellence The Ocean Floor-Earth's Uncharted Interface (Germany's Excellence Strategy of the DFG) [EXC-2077-390741603]
- Swedish Research Council [2019-04401]
- Simons Foundation through the Principles of Microbial Ecosystems (PriME) Collaborative [542395]
- Symbiosis in Aquatic Systems Investigator Award from the Gordon and Betty Moore Foundation [GBMF9197]
- Grundfos Foundation
- Sapere Aude grant from the Independent Research Fund Denmark (IRFD) [DFF-8048-00057B]
- Max Planck Society (MPG) through the Multiscale Approach on the Role of Marine Aggregates (MARMA) project
- Science for Life Laboratory
- Australian Research Council [DE180100911] Funding Source: Australian Research Council
- Swedish Research Council [2019-04401] Funding Source: Swedish Research Council
- Vinnova [2019-04401] Funding Source: Vinnova
This study presents sensPIV, a method for simultaneously measuring O2 concentrations and flow fields. By tracking O2-sensitive microparticles in fluid, the researchers measured O2 transport within microfluidic devices, sinking model aggregates, and complex colony-forming corals, and found that corals use ciliary movement to link zones of photosynthetic O2 production to zones of O2 consumption.
From individual cells to whole organisms, O-2 transport unfolds across micrometer- tomillimeter-length scales and can change within milliseconds in response to fluid flows and organismal behavior. The spatiotemporal complexity of these processes makes the accurate assessment of O-2 dynamics via currently availablemethods difficult or unreliable. Here, we present sensPIV,'' a method to simultaneously measure O-2 concentrations and flow fields. By tracking O-2-sensitive microparticles in flow using imaging technologies that allow for instantaneous referencing, wemeasuredO(2) transportwithin (1) microfluidic devices, (2) sinkingmodel aggregates, and (3) complex colony-forming corals. Through the use of sensPIV, we find that corals use ciliarymovement to link zones of photosynthetic O-2 production to zones of O-2 consumption. SensPIV can potentially be extendable to study flow-organism interactions across many life-science and engineering applications.
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