Results 11 to 20 of about 261,190 (296)

Algae [PDF]

open access: yesCurrent Biology, 2014
Algae frequently get a bad press. Pond slime is a problem in garden pools, algal blooms can produce toxins that incapacitate or kill animals and humans and even the term seaweed is pejorative - a weed being a plant growing in what humans consider to be the wrong place.
Raven, John A., Giordano, Mario
openaire   +5 more sources

Interactions Of Aquatic Macrophytes And Epiphytic Algae In Freshwater Ecosystems [PDF]

open access: yes, 1978
PhDThe distribution, population dynamics, photosynthesis and nutrition of epiphytic algae were investigated in natural and artificial freshwater ecosystems, with special reference to interactions between the algae and their macrophytic substrata. The
Bowker, David Wilson
core   +4 more sources

Diagnóstico de los impactos ambientales antropogénicos presentes en un Departamento de Colombia

open access: yesInvestigación e Innovación en Ingenierías, 2022
Objetivo: realizar un diagnóstico ambiental del complejo cenagoso de Santiago Apóstol CCSA, incluyendo el Arroyo Grande de Corozal, situado en el Departamento de Sucre, Colombia, determinando las principales presiones antropogénicas que impactan la ...
Camila Andrea Sánchez Cruz   +2 more
doaj   +1 more source

Physiological adaptation of two unicellular green algae to pH stress. [PDF]

open access: yes, 1998
Two marine algae, Dunaliella parva and Chlorococcum submarinum were selected to study the effect of pH stress on single celled algae. D. parva has been well characterised physiologically, but not with regards to pH stress.
Howat, Judy I
core   +6 more sources

New insights into raceway cultivation of Euglena gracilis under long-term semi-continuous nitrogen starvation

open access: yesScientific Reports, 2023
This study aimed to investigate the physiological responses of Euglena gracilis (E. gracilis) when subjected to semicontinuous N-starvation (N−) for an extended period in open ponds. The results indicated that the growth rates of E. gracilis under the N− 
Ranjith Kumar Bakku   +8 more
doaj   +1 more source

Methane production from Sargassum muticum: effects of seasonality and of freshwater washes

open access: yesEnergy and Built Environment, 2021
Biogas production from Sargassum muticum, an invasive seaweed species to Europe, is hampered by low methane (CH4) yields during anaerobic digestion (AD), but causes are unclear. This research is the first to demonstrate the impact of extensive freshwater
Supattra Maneein   +3 more
doaj   +1 more source

Physiochemical and molecular responses of the diatom Phaeodactylum tricornutum to illumination transitions

open access: yesBiotechnology for Biofuels and Bioproducts, 2023
Background Light is a key regulatory factor for photosynthesis and metabolism of microalgae. The diatom Phaeodactylum tricornutum is capable of exhibiting metabolic flexibility in response to light fluctuations.
Wei Ding   +4 more
doaj   +1 more source

The oleaginous astaxanthin-producing alga Chromochloris zofingiensis: potential from production to an emerging model for studying lipid metabolism and carotenogenesis

open access: yesBiotechnology for Biofuels, 2021
The algal lipids-based biodiesel, albeit having advantages over plant oils, still remains high in the production cost. Co-production of value-added products with lipids has the potential to add benefits and is thus believed to be a promising strategy to ...
Yu Zhang, Ying Ye, Fan Bai, Jin Liu
doaj   +1 more source

The Fucoxanthin Chlorophyll a/c-Binding Protein in Tisochrysis lutea: Influence of Nitrogen and Light on Fucoxanthin and Chlorophyll a/c-Binding Protein Gene Expression and Fucoxanthin Synthesis

open access: yesFrontiers in Plant Science, 2022
We observed differences in lhc classification in Chromista. We proposed a classification of the lhcf family with two groups specific to haptophytes, one specific to diatoms, and one specific to seaweeds.
Anne Pajot   +10 more
doaj   +1 more source

Characterization of fatty acid desaturases reveals stress-induced synthesis of C18 unsaturated fatty acids enriched in triacylglycerol in the oleaginous alga Chromochloris zofingiensis

open access: yesBiotechnology for Biofuels, 2021
Background The green microalga Chromochloris zofingiensis is capable of producing high levels of triacylglycerol rich in C18 unsaturated fatty acids (UFAs). FA desaturation degree is regulated by FA desaturases (FADs).
Tao Wu, Lihua Yu, Yu Zhang, Jin Liu
doaj   +1 more source

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