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Volume 10
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10.4081/pb.2019.8273
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International Journal of Plant Biology is published by MDPI from Volume 13 Issue 1 (2022). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with PAGEPress.
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Brief Report

Effect of Bicarbonate on Growth of the Oleaginous Microalga Botryococcus braunii

by
Giovanna Salbitani
1,*,
Carmela M. A. Barone
2 and
Simona Carfagna
1
1
Department of Biology, Università di Napoli Federico II, Via Cinthia 21, 80126 Napoli, Italy
2
Department of Agricultural Sciences, Università di Napoli Federico II, Via Cinthia 21, 80126 Napoli, Italy
*
Author to whom correspondence should be addressed.
Int. J. Plant Biol. 2019, 10(1), 8273; https://doi.org/10.4081/pb.2019.8273
Submission received: 9 August 2019 / Revised: 20 August 2019 / Accepted: 20 August 2019 / Published: 18 December 2019

Abstract

The effect of bicarbonate, produced by the enzymatic hydration of CO2 from postcombustion fumes, was investigated on Botryococcus braunii growth. The NaHCO3, supplied to cultures in the role of inorganic carbon source is proposed as a more eco-sustainable alternative to gaseous CO2. The salt was provided to the cultures at the final concentration of 0.5–1.5–2.5 g L−1. The growth rate was considered for specific time intervals (T0–T5, T5–T10 and T0–T10) showing values significantly higher in the culture supplemented with 2.5 g L−1 bicarbonate. The doubling times were also considered in all experimental cultures showing a faster doubling for the period T0 ÷ T5. The increase in pH drives the increase in growth in the experimental conditions in which the salt was added. The results suggest that bicarbonate is able to promote the algal growth, therefore it can be considered a valid alternative to CO2 gas.
Keywords: Botryococcus braunii; growth rate; microalgae; bicarbonate Botryococcus braunii; growth rate; microalgae; bicarbonate

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MDPI and ACS Style

Salbitani, G.; Barone, C.M.A.; Carfagna, S. Effect of Bicarbonate on Growth of the Oleaginous Microalga Botryococcus braunii. Int. J. Plant Biol. 2019, 10, 8273. https://doi.org/10.4081/pb.2019.8273

AMA Style

Salbitani G, Barone CMA, Carfagna S. Effect of Bicarbonate on Growth of the Oleaginous Microalga Botryococcus braunii. International Journal of Plant Biology. 2019; 10(1):8273. https://doi.org/10.4081/pb.2019.8273

Chicago/Turabian Style

Salbitani, Giovanna, Carmela M. A. Barone, and Simona Carfagna. 2019. "Effect of Bicarbonate on Growth of the Oleaginous Microalga Botryococcus braunii" International Journal of Plant Biology 10, no. 1: 8273. https://doi.org/10.4081/pb.2019.8273

APA Style

Salbitani, G., Barone, C. M. A., & Carfagna, S. (2019). Effect of Bicarbonate on Growth of the Oleaginous Microalga Botryococcus braunii. International Journal of Plant Biology, 10(1), 8273. https://doi.org/10.4081/pb.2019.8273

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