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Advantageous characteristics of the diatom Chaetoceros gracilis as a sustainable biofuel producer

Overview of attention for article published in Biotechnology for Biofuels, November 2016
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Title
Advantageous characteristics of the diatom Chaetoceros gracilis as a sustainable biofuel producer
Published in
Biotechnology for Biofuels, November 2016
DOI 10.1186/s13068-016-0649-0
Pubmed ID
Authors

Hiromi Tokushima, Natsuko Inoue-Kashino, Yukine Nakazato, Atsunori Masuda, Kentaro Ifuku, Yasuhiro Kashino

Abstract

Diatoms have attracted interest as biofuel producers. Here, the contents of lipids and photosynthetic pigments were analyzed in a marine centric diatom, Chaetoceros gracilis. This diatom can be genetically engineered using our previously reported transformation technique and has a potential to produce valuable materials photosynthetically. Sustainable culture conditions for cost-effective production of biological materials under autotrophic conditions with atmospheric carbon dioxide were investigated in the laboratory. A large-scale, open-air culture was also performed. Cell population doubling time was ~10 h under continuous illumination without CO2 enrichment, and large amounts of triacylglycerols (TAG) and fucoxanthin accumulated under a wide range of salinity and nutrient conditions, reaching ~200 and 18.5 mg/L, respectively. It was also shown that C. gracilis produced high amounts of TAG without the need for nitrogen or silica deprivation, which is frequently imposed to induce lipid production in many other microalgae. Furthermore, C. gracilis was confirmed to be highly tolerant to changes in environmental conditions, such as salinity. The diatom grew well and produced abundant lipids when using sewage water or liquid fertilizer derived from cattle feces without augmented carbon dioxide. High growth rates (doubling time <20 h) were obtained in a large-scale, open-air culture, in which light irradiance and temperature fluctuated and were largely different from laboratory conditions. The ability of this microalga to accumulate TAG without nutrient deprivation, which incurs added labor, high costs, and complicates scalability, is important for low-cost industrial applications. Furthermore, its high tolerance to changes in environmental conditions and high growth rates observed in large-scale, open-air culture implied scalability of this diatom for industrial applications. Therefore, C. gracilis would have great potential as a biofactory.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 108 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 108 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 24 22%
Student > Ph. D. Student 19 18%
Researcher 12 11%
Student > Master 11 10%
Student > Doctoral Student 5 5%
Other 14 13%
Unknown 23 21%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 21 19%
Agricultural and Biological Sciences 19 18%
Environmental Science 18 17%
Immunology and Microbiology 5 5%
Chemical Engineering 4 4%
Other 11 10%
Unknown 30 28%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 04 November 2016.
All research outputs
#4,625,007
of 8,617,579 outputs
Outputs from Biotechnology for Biofuels
#355
of 700 outputs
Outputs of similar age
#136,783
of 247,306 outputs
Outputs of similar age from Biotechnology for Biofuels
#19
of 41 outputs
Altmetric has tracked 8,617,579 research outputs across all sources so far. This one is in the 27th percentile – i.e., 27% of other outputs scored the same or lower than it.
So far Altmetric has tracked 700 research outputs from this source. They receive a mean Attention Score of 4.0. This one is in the 31st percentile – i.e., 31% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 247,306 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 41 others from the same source and published within six weeks on either side of this one. This one is in the 12th percentile – i.e., 12% of its contemporaries scored the same or lower than it.