The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.
FOURIER TRANSFORM INFRARED SPECTROSCOPY AS A NOVEL TOOL TO INVESTIGATE CHANGES IN INTRACELLULAR MACROMOLECULAR POOLS IN THE MARINE MICROALGA CHAETOCEROS MUELLERII (BACILLARIOPHYCEAE)
Abstract
Fourier Transform Infrared (FT‐IR) spectroscopy was used to study carbon allocation patterns in response to changes in nitrogen availability in the diatom Chaetoceros muellerii Lemmerman. The results of the FT‐IR measurements were compared with those obtained with traditional chemical methods. The data obtained with both FT‐IR and chemical methods showed that nitrogen starvation led to the disappearance of the differences in cell constituents and growth rates existing between cells cultured at either high [NO 3 − ] or high [NH 4 + ]. Irrespective of the nitrogen source supplied before nitrogen starvation, a diversion of carbon away from protein, chlorophyll, and carbohydrates into lipids was observed. Under these conditions, cells that had previously received nitrogen as nitrate appeared to allocate a larger amount of mobilized carbon into lipids than cells that had been cultured in the presence of ammonia. All these changes were reversed by resupplying the cultures with nitrogen. The rate of protein accumulation in the N‐replete cells was slower than the rate of decrease under nitrogen starvation. This study demonstrates that the relative proportions of the major macromolecules contained in microalgal cells and their changes in response to external stimuli can be determined rapidly, simultaneously, and inexpensively using FT‐IR. The technique proved to be equally reliable to and less labor intensive than more traditional chemical methods.
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“The application of FTIR to classify species with the help of multivariate analysis [24 -29] and to differentiate the nutritional status of microalgae [30 -34] have been attempted successfully.”
From Response to nutrient variation on lipid productivity in green microalgae captured using second derivative FTIR and Raman spectroscopy (2022) · cites this paper as [25]
In the citing paper
“Mid-infra-red has been in use since the 1940s, with different techniques viz. single point, point mapping and imaging applied to study microalgae composition with mid-infrared peaks associated with proteins, lipids and carbohydrates. Inferences are drawn from qualitative observations from infra-red bands or quantitative integration and calculation of peak heights and ratios [73,74].”
From Factors Affecting Microalgae Production for Biofuels and the Potentials of Chemometric Methods in Assessing and Optimizing Productivity (2019) · cites this paper as [74]
Citations
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Dean, A. P., Sigee, D. C., Estrada, B., & Pittman, J. K. (2010) · Bioresource Technology · doi:10.1016/j.biortech.2010.01.065 · Cited by 523
Pancha, I., Chokshi, K., George, B., Ghosh, T., Paliwal, C., Maurya, R., & Mishra, S. (2014) · Bioresource Technology · doi:10.1016/j.biortech.2014.01.025 · Cited by 492
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Metadata
- Authors
- Giordano, M., Kansiz, M., Heraud, P., Beardall, J., Wood, B., & McNaughton, D.
- Affiliations
- Monash University (AU)
- Corresponding author
- Giordano, Mario
- Venue
- Journal of Phycology
- Publisher
- Wiley
- Published
- 2001-04-18
- Volume
- 37
- Issue
- 2
- Pages
- 271-279
- ISSN
- 0022-3646 (ISSN-L)
- 1529-8817
- OpenAlex
- W2104207789
- Cited by
- 301
- References
- 26
- Citations by year
- 2026: 5 · 2025: 10 · 2024: 17 · 2023: 6 · 2022: 17 · 2021: 22 · 2020: 21 · 2019: 27 · 2018: 11 · 2017: 25 · 2016: 15 · 2015: 20 · 2014: 12 · 2013: 21 · 2012: 14
- FWCI
- 2.61
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Phycology (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Spectroscopy Techniques in Biomedical and Chemical Research
- Physical Sciences › Chemistry › Analytical Chemistry › Spectroscopy and Chemometric Analyses
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine Plankton and Biogeochemistry
- Keywords
- diatoms, carbon allocation, nitrogen starvation, nitrogen source, nitrate, ammonium, lipid accumulation, macromolecular composition, protein accumulation, chlorophyll, carbohydrates, FTIR spectroscopy, microalgae growth
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