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1. Cultivable microalgae diversity from a freshwater aquaculture filtering system and its potential for polishing aquaculture‐derived water streams

Author:
Ana T. Couto; Martim Cardador; Sergio Santorio; Luz Arregui; Benedetto Sicuro; Anuska Mosquera‐Corral; Paula M. L. Castro; Catarina L. Amorim
Source:
Journal of applied microbiology 2022 v.132 no.2 pp. 1543-1556
ISSN:
1364-5072
Subject:
Chlorella; Chlorosarcinopsis; Desmodesmus; Micractinium; Oncorhynchus mykiss; Parachlorella; Scenedesmus; ammonium; biomass; bioremediation; drums (equipment); freshwater; freshwater aquaculture; genes; microalgae; microbiology; nitrates; nitrites; nutrient content; phylogeny; phytoplankton; sludge; wastewater; Spain
Abstract:
... AIMS: Microalgae are ubiquitous in aquatic environments, including aquaculture farms, but few studies have delved into their phytoplankton diversity and bioremediation potential. In this study, the cultivable phytoplankton of a rainbow trout freshwater aquaculture farm was isolated, phylogenetically analysed and used to assemble a consortium to polish an aquaculture‐derived effluent, with low conc ...
DOI:
10.1111/jam.15300

2. Isolation and identification of new microalgae strains with antibacterial activity on food-borne pathogens. Engineering approach to optimize synthesis of desired metabolites

Author:
Adilson Ricken Schuelter; Alexander Dimitrov Kroumov; Camila Larissa Hinterholz; Adriana Fiorini; Daniela Estelita Goes Trigueros; Eliane Gruska Vendruscolo; Maya Margaritova Zaharieva; Aparecido Nivaldo Módenes
Source:
Biochemical engineering journal 2019 v.144 pp. 28-39
ISSN:
1369-703X
Subject:
Chlorella; Desmodesmus; Micractinium; Tetradesmus; antibacterial properties; bacterial growth; bioactive compounds; biomass; engineering; food pathogens; genomics; growth retardation; hydrophilicity; lighting; metabolites; microalgae; ribosomal DNA; virulent strains
Abstract:
... This paper presents a strategy for isolation, identification and evaluation of microalgae strains synthesizing biologically active compounds (BAC) with antimicrobial activity against food-borne and other pathogens. Water samples containing microalgae were initially submitted to the enrichment process, followed by standard procedure for obtaining pure culture. Purified DNA from the microalgae isola ...
DOI:
10.1016/j.bej.2019.01.007

3. Direct utilization of waste water algal biomass for ethanol production by cellulolytic Clostridium phytofermentans DSM1183

Author:
Anwar Aliya Fathima; Mary Sanitha; Thangarathinam Kumar; Sellamuthu Iyappan; Mohandass Ramya
Source:
Bioresource technology 2016 v.202 pp. 253-256
ISSN:
0960-8524
Subject:
Chlamydomonas; Chlorella; Clostridium phytofermentans; Coelastrum; Micractinium; Scenedesmus obliquus; autoclaving; bioavailability; biomass; biotransformation; ethanol; ethanol production; fermentation; galactose; glucose; high performance liquid chromatography; internal transcribed spacers; microalgae; rhamnose; scanning electron microscopy; solvents; waste utilization; wastewater; xylose
Abstract:
... Direct bioconversion of waste water algal biomass into ethanol using Clostridium phytofermentans DSM1183 was demonstrated in this study. Fermentation of 2% (w/v) autoclaved algal biomass produced ethanol concentration of 0.52gL−1 (solvent yield of 0.19g/g) where as fermentation of acid pretreated algal biomass (2%, w/v) produced ethanol concentration of 4.6gL−1 in GS2 media (solvent yield of 0.26g ...
DOI:
10.1016/j.biortech.2015.11.075

4. Kinetics of nutrient removal and expression of extracellular polymeric substances of the microalgae, Chlorella sp. and Micractinium sp., in wastewater treatment

Author:
Meng Wang; Wenye Camilla Kuo-Dahab; Sona Dolan; Chul Park
Source:
Bioresource technology 2014 v.154 pp. 131-137
ISSN:
0960-8524
Subject:
Chlorella; Micractinium; anaerobic digestion; biomass; harvesting; microalgae; nitrogen content; wastewater; wastewater treatment
Abstract:
... Two species of green algae, Chlorella sp. and Micractinium sp., were cultivated in primary effluent wastewater and high-strength wastewater (a mixture of anaerobic digestion centrate and primary effluent) to study nutrient removal and EPS (extracellular polymeric substances) expression during their growth. The high N concentration and P-limited condition in the mixed wastewater (total N=197mg/L; N ...
DOI:
10.1016/j.biortech.2013.12.047