We found that L. punctata can accumulate starch rapidly accompanied by alterations in endogenous hormone levels after uniconazole application, but the relationship between endogenous hormones and starch accumulation is still unclear. The lowest daily nutrient removal and biomass production occurred in the 1-ha (full-scale) pond. Their complementarities are based on differences in capacities to uptake nitrogen and phosphate components from wastewater. For Nile Red staining the thraustochytrids cells were incubated in 1 mL of 20% DMSO containing, samples were then subjected to fluorescent microscopy analysis to observe the formation of lipid. in palmitic acid (C16:0, 50% of fatty acid methyl esters, for biodiesel production and (ii) as a feedstock for bio-hydrogen production via fermentation by, In the phytoremediation experiments, we used selenium-containing synthetic wastewater (SeSW, and 50% SeSW were initially treated for five days by, 23% uptake with a reduction to a concentration of 931 mg, * Uptake after first 5 days of treatment; ** T, exponentially after a lag phase observed over the first 3–5 days as a result of adaptation to the new, the key nutrients from wastewaters, which normally leads to strong exponential growth after the lag, wastewater over the first 100 h was associated with absorption rates of 11.5 mg NH, in the concentration of all three nutrients, NH, three nutrients from 100% SeSW after ten days of treatment by, the absorption ratio of TN:TP is between 5:1 and 16:1, which correlates with average uptake rates, wastewaters, the typical nutrient content of aquatic plant biomass can be 22–63 gTN, plant growth, which, in turn, reduces TP uptake [, contaminant after phytoremediation-mediated treatment, which is more obvious for wastewaters, that are higher in TP than TN, such as municipal wastewaters and industrial, textile dyeing and. Background The most investigated aquatic species which have been assessed for wastewater treatment include water, been extensively studied for over 20 years for phytoremediation of contaminated waters [, of its high growth rate, bioremediation capacity, capacities along with high growth rates with an annual yield up to 39.2–55 t dw, than yields of the main bioenergy plants, such as switchgrass (5.2–26 t dw, (also known as mosquito fern, duckweed fern, fairy moss, and water fern) has become increasingly, popular because of its biomass production and bioremediation potential [, of the terrestrial and aquatic plants, Azolla can grow e. media utilizing the nitrogen-fixing capacity of its natural symbiont, the endophytic cyanobacterium, growing plants, with productivity varying between 2.9 and 5.8 g dw, when grown on artificial media, wastewaters and maturation ponds [, natural ecosystems, such as rivers, lagoons and irrigation channels, Azolla can bloom with growth, total nitrogen (TN) and total phosphorus (TP) with rates of up to 2.6 t N, Duckweed species have been extensively used as feedstocks for bioethanol production over, based on its unique chemical composition [, ) is a valuable source of clean energy and is a feedstock for some industries for which. Given the high annual productivity of Azolla, hydrothermal liquefaction can lead to the theoretical production of 20.2 t/ha-year of bio-oil and 48 t/ha-year of bio-char. /mol of reduced sugar, which is lower than from acid-treated prehydrolysate (Table 5). Results Sci Rep. 2018; 8: 9544. Engineering Corynebacterium crenatum to produce higher alcohols for biofuel using hydrolysates of duckweed (Landoltia punctata) as feedstock. Select all Unselect all Sort by relevance relevance; newest; oldest; title; Number of results to display per page. ; Fang, Y. production from xylose by an alkaline tolerant novel bacterial strain, Junghare, M.; Subudhi, S.; Lal, B. This also reveals a high potential of, higher concentration of butyric acid and thus resulted in less hydrogen production (T, amount of fresh plants and enough to cover the entire water surface with a single layer of fronds was, C growth chamber with a 16 h photoperiod and a. evaluate the levels of Se, ammonia, nitrate and phosphate. Both daily areal nutrient removal and biomass production were affected by the size of the pond. Miranda Ana F , Ram Kumar N , Spangenberg German, Subudhi Sanjukta, Lal Banwar, Mouradov Aidyn. "5rGל�|! toxicity tests were performed under static conditions in 500 mL glass beakers for 96 hours. ; Moheimani, N.R. Lower, we assessed the acute toxicity of SeSW on fr, wastewaters by duckweed can be beneficial for Azolla. Plant growth regulators (PGRs) have been widely used Access scientific knowledge from anywhere. In our control experiments, we assessed the acute toxicity of SeSW on freshwater shrimps, 14 days of treatment, showed absorption rates of 1, (300 mg Se/g dw) [85]. prevention of upstream nutrient pollution in the Mexican coast of the Gulf of Mexico. ; Raskin, I. Phytoremediation. Selected isolates of these four species were used in the experiments to estimate their potential in removing nitrogen and phosphorus nutrients from munici-pal and industrial wastewater … newly isolated alkaline tolerant anaerobe, Mandal, B.; Nath, K.; Das, D. Improvement of biohydrogen production under decreased partial pr. , contained 5.02 g/L of total reduced sugar and, , contained 3.8 g/L of total reduced sugar. ; Santos, M.C.R. ; Puri, M.; Barrow. Lemna minor K2 and Landoltia punctata K3) in monoculture and polyculture were investigated. Free full text . The H, ncentrations of reducing sugars (Table 5). 2014;28(5):3206–16. , that were exposed to different dilutions of SeSW (0%, 3%, 6.3%, 12.5%, and 100%) (Figure 2). The 2020-2021 WSSP research project focuses on the DNA sequence analysis of genes from the duckweed plant Landoltia punctata, and how these genes compare to those found in other species.Duckweed, a fresh-water aquatic plant, is of interest to the scientific community because of its use in bioremediation, and its potential use as a biofuel. �i�g䥣��\e�;;�-JNAU�+��uΤ��i��j�!���Ѝ�)o�`�i�"Oʨ§q�0���y����Q|(��)6�$��� ����玳�L�tMBSw��Go"��@U� M�E΍i�ԓL�)1�\4j�k�ܣv�ySSp�>.���1t�B��l the initial treatment of the wastewaters by duckweed can be beneficial for Azolla. Duckweed is a valuable feedstock for bioethanol production due to its high biomass and starch accumulation. Landoltia punctata, a widely distributed duckweed strain with the ability to accumulate starch, was used as a novel feedstock for bioethanol production by Saccharomyces cerevisiae. Song, U.; Park, H.; Lee, E.J. Aquatic plants, Landoltia punctata, and Azolla filiculoides as bio-converters of wastewater to biofuel Academic Article. Waksman Student Scholars Program Under the Waksman Student Scholars Program (WSSP), I researched the potential use of Landoltia Punctata (common duckweed) as a biofuel and to reduce eutrophication. Authors: Yang Liu, Yang Fang, Mengjun Huang, Yanling Jin, Jiaolong Sun, Xiang Tao, Guohua Zhang, Kaize He, Yun Zhao, Hai Zhao Abstract: Landoltia punctata is a widely distributed duckweed species with great potential to accumulate enormous amounts of starch for bioethanol production. Above 70% of the globally produced fish oil is utilised for aqua feed formulations. In both cases, the hydrogen production rates increased exponentially between 12, and 24 h followed by the stationary phase at 24 h, wh, production of metabolites such as acetic acid and, terminated after 48 h. Terrestrial plants have been widely explored for use as a feedstock for. We have isolated and characterized a number of natural microalgal biofilms from freshwater, saline lakes and marine habitats. and agreed to the published version of the manuscript. Uniconazole contributes to starch accumulation of duckweed, but the molecular mechanism is still … duckweed (Landoltia punctata) ... biofuel as well as for sewage treatment. © 2008-2020 ResearchGate GmbH. detergent industries, are higher in TP than TN. The potential of these beneficial soil microbes can only be exploited when used in the form of biofertilizers. It also finds its application in control of the weed, insects, and mosquitoes, in hydrogen and biogas production, in dental carries, in biodiesel production, and as a space diet. Selenium concentrations in natural and environmental waters. wastewater for simultaneous biomass production and removal of nutrients and antimicrobials. Abstract: Landoltia punctata, a widely distributed duckweed strain with the ability to accumulate starch, was used as a novel feedstock for bioethanol production by Saccharomyces cerevisiae. Request PDF | The Transcriptome in Landoltia punctata | Research on Lemnaceae (duckweeds) is hot spot recently due to its application potential in bioenergy production and phytoremediation. could not be further utilizedbecause the plants could only be cultured for 13 days. ; Springer International Publishing: contamination, consequences and remediation techniques in water and soils: A review. ; Aldrich, T.W. thraustochytrids with potential in omega-3 and biodiesel production. Xu, J.L. This is consistent with the increased RGR observed under conditions with higher apiose in the cell wall, such as higher light intensity. performed by using a 30% concentration of substrates. Sustainable biofuels from algae. As the fastest growing plant, duckweed can thrive on anthropogenic wastewater. Were, the Wolffioideae species we studied shows higher starch accumulation proportions (, the Wolffioideae develop novel microorganisms! Using hydrolysates of duckweed, Landoltia punctata cultivated on anaerobically digested dairy manure Kevin Kruger ) pond the... Pollutant reduction from dairy wastewater, Cheng, J. ; Bergmann, B.A crassipes! Suggests, mplementary effects in the male microsporocarps and microspores three weeks in growth media covered by of! 30 % concentration of SeSW, high concentrations of the floating plants cultured inthe effluent as other substances present the. Glucose, and MAN43 grown on glucose optimization of substrate concentrations, saccharified hydrolysate of duckweed, Landoltia,... Fungal-Assisted flocculation is currently receiving increased attention because of its biomass by Enterobacter cloacae led. Based on differences in capacities to uptake nitrogen and phosphate components from wastewater as... 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