Augmentation of arsenic enhances lipid yield and defense responses in alga Nannochloropsis sp.

A. K. Upadhyay; S. K. Mandotra; N. Kumar; N. K. Singh; Lav Singh; U. N. Rai

doi:10.1016/j.biortech.2016.09.061

Augmentation of arsenic enhances lipid yield and defense responses in alga Nannochloropsis sp.

A. K. Upadhyay, S. K. Mandotra, N. Kumar, N. K. Singh, Lav Singh, U. N. Rai

Research output: Contribution to journal › Article › peer-review

58 Scopus citations

Abstract

The present study was conducted with microalga Nannochloropsis sp. to evaluate its tolerance responses and biofuel perspectives under different arsenic regime (0–1000 μM As(III)). Results showed that optimal biomass (61.00 ± 3.72 mg/L/d) and lipid productivity (20.27 mg/L/d) were obtained in culture treated with 100 μM As(III) in comparison to other treatments. In addition, fatty acid profile of alga was in accordance with European biodiesel standards (EN 14214), which reflects good oxidative stability of oil. High antioxidants viz., ascorbic acid, GSH and cysteine tolerance responses as well as lipid yield at 100 μM As(III), opens a new insight in the field of algal biology. Thus, microalgae Nannochloropsis sp. may be employ in remediation as well as biodiesel production.

Original language	English
Pages (from-to)	430-437
Number of pages	8
Journal	Bioresource Technology
Volume	221
DOIs	https://doi.org/10.1016/j.biortech.2016.09.061
State	Published - 1 Dec 2016
Externally published	Yes

Keywords

Antioxidant
Arsenic
Biofuel
Nannochloropsis sp.
Phytoremediation

ASJC Scopus subject areas

Bioengineering
Environmental Engineering
Renewable Energy, Sustainability and the Environment
Waste Management and Disposal

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.biortech.2016.09.061

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title = "Augmentation of arsenic enhances lipid yield and defense responses in alga Nannochloropsis sp.",

abstract = "The present study was conducted with microalga Nannochloropsis sp. to evaluate its tolerance responses and biofuel perspectives under different arsenic regime (0–1000 μM As(III)). Results showed that optimal biomass (61.00 ± 3.72 mg/L/d) and lipid productivity (20.27 mg/L/d) were obtained in culture treated with 100 μM As(III) in comparison to other treatments. In addition, fatty acid profile of alga was in accordance with European biodiesel standards (EN 14214), which reflects good oxidative stability of oil. High antioxidants viz., ascorbic acid, GSH and cysteine tolerance responses as well as lipid yield at 100 μM As(III), opens a new insight in the field of algal biology. Thus, microalgae Nannochloropsis sp. may be employ in remediation as well as biodiesel production.",

keywords = "Antioxidant, Arsenic, Biofuel, Nannochloropsis sp., Phytoremediation",

author = "Upadhyay, {A. K.} and Mandotra, {S. K.} and N. Kumar and Singh, {N. K.} and Lav Singh and Rai, {U. N.}",

note = "Publisher Copyright: {\textcopyright} 2016 Elsevier Ltd",

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doi = "10.1016/j.biortech.2016.09.061",

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T1 - Augmentation of arsenic enhances lipid yield and defense responses in alga Nannochloropsis sp.

AU - Upadhyay, A. K.

AU - Mandotra, S. K.

AU - Kumar, N.

AU - Singh, N. K.

AU - Singh, Lav

AU - Rai, U. N.

PY - 2016/12/1

Y1 - 2016/12/1

N2 - The present study was conducted with microalga Nannochloropsis sp. to evaluate its tolerance responses and biofuel perspectives under different arsenic regime (0–1000 μM As(III)). Results showed that optimal biomass (61.00 ± 3.72 mg/L/d) and lipid productivity (20.27 mg/L/d) were obtained in culture treated with 100 μM As(III) in comparison to other treatments. In addition, fatty acid profile of alga was in accordance with European biodiesel standards (EN 14214), which reflects good oxidative stability of oil. High antioxidants viz., ascorbic acid, GSH and cysteine tolerance responses as well as lipid yield at 100 μM As(III), opens a new insight in the field of algal biology. Thus, microalgae Nannochloropsis sp. may be employ in remediation as well as biodiesel production.

AB - The present study was conducted with microalga Nannochloropsis sp. to evaluate its tolerance responses and biofuel perspectives under different arsenic regime (0–1000 μM As(III)). Results showed that optimal biomass (61.00 ± 3.72 mg/L/d) and lipid productivity (20.27 mg/L/d) were obtained in culture treated with 100 μM As(III) in comparison to other treatments. In addition, fatty acid profile of alga was in accordance with European biodiesel standards (EN 14214), which reflects good oxidative stability of oil. High antioxidants viz., ascorbic acid, GSH and cysteine tolerance responses as well as lipid yield at 100 μM As(III), opens a new insight in the field of algal biology. Thus, microalgae Nannochloropsis sp. may be employ in remediation as well as biodiesel production.

KW - Antioxidant

KW - Arsenic

KW - Biofuel

KW - Nannochloropsis sp.

KW - Phytoremediation

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SN - 0960-8524

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JO - Bioresource Technology

JF - Bioresource Technology

ER -

Augmentation of arsenic enhances lipid yield and defense responses in alga Nannochloropsis sp.

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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