Checklist of Microalgae Collected From Different Habitats in Peninsular Malaysia for Selection of Algal Biofuel Feedstocks

Phang, Siew‐Moi; Mustafa, Emienour Muzalina; Ambati, Ranga Rao; Sulaiman, Nik Meriam Nik; Lim, Phaik-Eem; Majid, Nazia Abdul; Dommange, Xavier; Schwob, Cyrille; Liew, Kan Ern

doi:10.22452/mjs.vol34no2.2

Cited by 7 publications

(5 citation statements)

References 38 publications

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“…Southeast Asia has an outstanding species richness and endemism. It has an extensive coastline (e.g., Indonesia, 81.000 km; Vietnam, 3.260 km) with many islands and rivers flowing into the extended and large continental shelf (Aungtonya and Liao 2002 ; Gerung et al 2006 ; Soe-Htun et al 2009 ; Phang et al 2015 ). This produces a diverse variety of ecosystems, ranging from extensive lagoons, estuaries, and mangroves, to rocky shores and coral reefs, which provide suitable habitats for luxuriant algal growth (Nguyen et al 2013 ).…”

Section: A Case Study: Antifouling Compounds From Southeast Asiamentioning

confidence: 99%

Minireview: algal natural compounds and extracts as antifoulants

2017

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Marine biofouling is a paramount phenomenon in the marine environment and causes serious problems to maritime industries worldwide. Marine algae are known to produce a wide variety of chemical compounds with antibacterial, antifungal, antialgal, and anti-macrofouling properties, inhibiting the settlement and growth of other marine fouling organisms. Significant investigations and progress have been made in this field in the last two decades and several antifouling extracts and compounds have been isolated from micro- and macroalgae. In this minireview, we have summarized and evaluated antifouling compounds isolated and identified from macroalgae and microalgae between January 2010 and June 2016. Future directions for their commercialization through metabolic engineering and industrial scale up have been discussed. Upon comparing biogeographical regions, investigations from Southeast Asian waters were found to be rather scarce. Thus, we have also discussed the need to conduct more chemical ecology based research in relatively less explored areas with high algal biodiversity like Southeast Asia.

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Section: A Case Study: Antifouling Compounds From Southeast Asiamentioning

confidence: 99%

Minireview: algal natural compounds and extracts as antifoulants

2017

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“…Lipid was extracted through a modification of the method of Bligh & Dyer (1959) , according to the report of Phang et al (2015) . In brief, soon after determination of the biomass concentration ( Badar, Yaakob & Timmiati, 2017 ), the sample was ground and homogenized in 2:1 methanol: chloroform solution.…”

Section: Methodsmentioning

confidence: 99%

Marine microalgae co-cultured with floc-forming bacterium: Insight into growth and lipid productivity

Yee

Okomoda

Hashim

et al. 2021

PeerJ

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This study investigated the effect of co-culturing microalgae with a floc-forming bacterium. Of the six microalgae isolated from a biofloc sample, only Thalassiosira weissflogii, Chlamydomonas sp. and Chlorella vulgaris were propagated successfully in Conway medium. Hence, these species were selected for the experiment comparing microalgae axenic culture and co-culture with the floc-forming bacterium, Bacillus infantis. Results obtained showed that the co-culture had higher microalgae biomass compared to the axenic culture. A similar trend was also observed concerning the lipid content of the microalgae-bacterium co-cultures. The cell number of B. infantis co-cultured with T. weissflogii increased during the exponential stage until the sixth day, but the other microalgae species experienced a significant early reduction in cell density of the bacteria at the exponential stage. This study represents the first attempt at co-culturing microalgae with B. infantis, a floc-forming bacterium, and observed increased biomass growth and lipid accumulation compared to the axenic culture.

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“…Other microalgal species such as Chlorococcum, Ankistrodesmus, Haematococcus, and Scenedesmus are not commonly used in wastewater treatment studies, although some of them have been reported to have high biochemical compositions under certain growth conditions, which are suitable for biofuels and other applications [40][41][42]. Chlorococcum, Ankistrodesmus, Haematococcus, and Scenedesmus belong to the same class of green algae as Chlorella [43,44], these microalgae should be able to grow in wastewater.…”

Section: Introductionmentioning

confidence: 99%

Microalgal Growth and Nutrient Removal Efficiency in Non-Sterilised Primary Domestic Wastewater

Tan

Chai

et al. 2023

Sustainability

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Microalgae biomass can produce high quantities of biochemicals that can be used in various applications such as biodiesel, biogas, and aquaculture feed. The potential of sterilizing wastewater for microalgae-based wastewater treatment on a lab scale is well introduced. However, the operation cost for large-scale microalgae cultivation in wastewater treatment plants is high if using sterilising wastewater as the growth medium. The present study aimed to evaluate the growth of Scenedesmus sp., Chlorococcum aquaticum, Ankistrodesmus augustus, and Haematococcus pluvialis in non-sterilised domestic wastewater and their potential for pollutant removal in wastewater. The microalgae were cultivated in different concentrations of non-sterilised domestic wastewater, collected from a primary wastewater plant of a national sewerage company in Malaysia. Each species’ capacity for growth and the removal of pollutants were assessed. The results showed that the cell density, maximum biomass productivity, and biomass concentration of H. pluvialis, Scenedesmus sp., and C. aquaticum in 100% wastewater were significantly higher than the standard medium. Higher biomass concentration was obtained from H. pluvialis and C. aquaticum in 100% wastewater (815 g/L and 775.83 mg/L); nevertheless, Scenedesmus sp. in 100% wastewater yielded the highest specific growth rate (0.798 d−1) and the maximum biomass productivity (99.33 mg/L/day). Scenedesmus sp. in 100% wastewater also achieved better removal efficiency of total nitrogen (TN), total phosphorus (TP), and ammonia (N-NH4) with more than 90%. All tested microalgae species successfully remove nitrogen, ammonium, and phosphorus and reach the concentration limits set by the Department of the Environment, Malaysia. This study demonstrated that microalgae can grow well in non-sterilised domestic wastewater while simultaneously removing nitrogen and phosphorus effectively.

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Checklist of Microalgae Collected From Different Habitats in Peninsular Malaysia for Selection of Algal Biofuel Feedstocks

Cited by 7 publications

References 38 publications

Minireview: algal natural compounds and extracts as antifoulants

Minireview: algal natural compounds and extracts as antifoulants

Marine microalgae co-cultured with floc-forming bacterium: Insight into growth and lipid productivity

Microalgal Growth and Nutrient Removal Efficiency in Non-Sterilised Primary Domestic Wastewater

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