期刊
SCIENTIFIC REPORTS
卷 7, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41598-017-05028-2
关键词
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资金
- BHF Centre for Research Excellence
- EPSRC
- MRC and Kidney Research UK
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (Brazil)
- zebrafish aquarium
- EPSRC [EP/I010173/1] Funding Source: UKRI
- MRC [MR/K015710/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I010173/1] Funding Source: researchfish
- Kidney Research UK [RP12/2015] Funding Source: researchfish
- Medical Research Council [MR/K015710/1] Funding Source: researchfish
The ability to kill individual or groups of cells in vivo is important for studying cellular processes and their physiological function. Cell-specific genetically encoded photosensitizing proteins, such as KillerRed, permit spatiotemporal optogenetic ablation with low-power laser light. We report dramatically improved resolution and speed of cell targeting in the zebrafish kidney through the use of a selective plane illumination microscope (SPIM). Furthermore, through the novel incorporation of a Bessel beam into the SPIM imaging arm, we were able to improve on targeting speed and precision. The low diffraction of the Bessel beam coupled with the ability to tightly focus it through a high NA lens allowed precise, rapid targeting of subsets of cells at anatomical depth in live, developing zebrafish kidneys. We demonstrate that these specific targeting strategies significantly increase the speed of optoablation as well as fish survival.
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