Cited by 47Spectroscopy Techniques in Biomedical and Chemical ResearchAlgal biology and biofuel productionLipid metabolism and biosynthesis

In Vivo Live Cell Imaging for the Quantitative Monitoring of Lipids by Using Raman Microspectroscopy

Hosokawa, Masahito, Ando, Masahiro, Mukai, Shoichiro, Osada, Kyoko, Yoshino, Tomoko, Hamaguchi, Hiro-o, Tanaka, Tsuyoshi·2014·Analytical Chemistry

Abstract

A straightforward in vivo monitoring technique for biomolecules would be an advantageous approach for understanding their spatiotemporal dynamics in living cells. However, the lack of adequate probes has hampered the quantitative determination of the chemical composition and metabolomics of cellular lipids at single-cell resolution. Here, we describe a method for the rapid, direct, and quantitative determination of lipid molecules from living cells using single-cell Raman imaging. In vivo localization of lipids in the form of triacylglycerol (TAG) within oleaginous microalga and their molecular compositions are monitored with high spatial resolution in a nondestructive and label-free manner. This method can provide quantitative and real-time information on compositions, chain lengths, and degree of unsaturation of fatty acids in living cells for improving the cultivating parameters or for determining the harvest timing during large-scale cultivations for microalgal lipid accumulation toward biodiesel production. Therefore, this technique is a potential tool for in vivo lipidomics for understanding the dynamics of lipid metabolisms in various organisms.

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Crossref · 10.1021/ac501591d

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Authors
Hosokawa, M., Ando, M., Mukai, S., Osada, K., Yoshino, T., Hamaguchi, H.-O., & Tanaka, T.
Affiliations
  • Waseda University (JP)
  • Tokyo University of Agriculture and Technology (JP)
  • National Yang Ming Chiao Tung University (TW)
  • Japan Science and Technology Agency (JP)
Corresponding author
  • Hamaguchi, Hiro-o
  • Tanaka, Tsuyoshi
Venue
Analytical Chemistry
Published
2014-08-08
Volume
86
Issue
16
Pages
8224-8230
ISSN
  • 0003-2700 (ISSN-L)
  • 1520-6882
OpenAlex
W2062076010
Cited by
47
References
43
Citations by year
2026: 1 · 2025: 3 · 2024: 4 · 2023: 4 · 2022: 2 · 2021: 8 · 2020: 3 · 2019: 6 · 2018: 4 · 2017: 7 · 2016: 2 · 2015: 3
FWCI
2.37
Type
journal article
Language
en
Open access
closed
Locations
  • Analytical Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Japan Society for the Promotion of Science (23360363)
  • Core Research for Evolutional Science and Technology, Japan Science and Technology Agency
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Spectroscopy Techniques in Biomedical and Chemical Research
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
lipid quantification, triglycerides, oleaginous microalgae, fatty acid composition, fatty acid chain length, degree of unsaturation, label-free imaging, microalgal lipid accumulation, biodiesel production, lipid metabolism
MeSH terms
Equipment Design, Fatty Acids, Lipids, Spectrum Analysis, Raman, Triglycerides, Microalgae, Single-Cell Analysis

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