Results 131 to 140 of about 17,490 (166)
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Centrioles and Microtubules in Chlorella
Nature New Biology, 1971IN keeping with its widespread use in biochemical studies, the ultrastructure of the unicellular green alga Chlorella has been investigated many times1–3, yet at least two components—microtubules and centrioles—have escaped detection, doubtless because of the use of inadequate fixation techniques.
A W, Atkinson +3 more
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Precursors of Protoporphyrin in Chlorella
Nature, 1952ON the basis of studies of Chlorella mutants a biosynthetic chain has been formulated leading from protoporphyrin through Mg protoporphyrin, Mg vinyl pheoporphyrin and protochlorophyll finally to chlorophyll1. We have recently isolated a Chlorella mutant which promises to reveal some of the precursor porphyrins leading up to protoporphyrin.
L, BOGORAD, S, GRANICK
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Planta, 1986
The preincubation of Chlorella cells with glucose caused a tenfold increase of the maximal uptake rate of ammonium without change in the K m (2 μM). A similar stimulation of ammonium uptake was found when the cells were transferred to nitrogen-free growth medium. The time-course of uptake stimulation by glucose revealed a lag period of 10-20 min.
J, Schlee, E, Komor
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The preincubation of Chlorella cells with glucose caused a tenfold increase of the maximal uptake rate of ammonium without change in the K m (2 μM). A similar stimulation of ammonium uptake was found when the cells were transferred to nitrogen-free growth medium. The time-course of uptake stimulation by glucose revealed a lag period of 10-20 min.
J, Schlee, E, Komor
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International Journal of Dermatology, 1984
ABSTRACT: Swelling followed by erythematopurpuric lesions on sun‐exposed areas of the body developed in five patients. All patients were found to have ingested chlorella. The histopathologic changes consisted of swelling of endothelial cells and thrombosis of small blood vessels in the dermis and the subcutaneous fatty tissue.
K, Jitsukawa, R, Suizu, A, Hidano
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ABSTRACT: Swelling followed by erythematopurpuric lesions on sun‐exposed areas of the body developed in five patients. All patients were found to have ingested chlorella. The histopathologic changes consisted of swelling of endothelial cells and thrombosis of small blood vessels in the dermis and the subcutaneous fatty tissue.
K, Jitsukawa, R, Suizu, A, Hidano
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Fermentation of glucose by Chlorella
Archiv für Mikrobiologie, 19701. It was confirmed that the colourless alga, Prototheca zopfii converts glucose completely to lactic acid during fermentation. 2. Lactic acid was the only acidic product of glucose fermentation by Chlorella strain 211/1e, 1.4 moles being formed for each mole glucose fermented. This strain produced negligible carbon dioxide and hydrogen;
F, Begum, P J, Syrett
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Arginine utilization by Chlorella autotrophica and Chlorella saccharophila
Physiologia Plantarum, 1990Chlorella saccharophila can utilize the amino acids arginine, glutamate. ornithine and proline as sole sources of nitrogen for growth. By comparison C. autotrophica utilized only arginine and ornithine. Following osmotic shock of Chlorella autotrophica from 50 to 150% artificial seawater rapid synthesis of proline (the main osmoregulatory solute in ...
Gilles Laliberté, Johan A. Hellebust
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Algal Research, 2018
Abstract A reduction in energy consumption at every stage of the down streaming process is needed to make 3rd generation of biofuels economically viable. In this study, magnetite (Fe3O4) nanoparticles were synthetized by coprecipitation of FeCl2 and FeCl3 in alkaline medium at two different temperatures.
Kristína Gerulová +6 more
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Abstract A reduction in energy consumption at every stage of the down streaming process is needed to make 3rd generation of biofuels economically viable. In this study, magnetite (Fe3O4) nanoparticles were synthetized by coprecipitation of FeCl2 and FeCl3 in alkaline medium at two different temperatures.
Kristína Gerulová +6 more
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1986
Eukaryotic algae play a significant role in aquatic environments, both as primary producers and as potential pollutants. Some algae such as Chlamydomonas spp. and Chlorella spp. have also served as model systems for studying such diverse subjects as photosynthesis, cell cycle regulation, cell motility, and non-Mendelian (chloroplast) inheritance ...
J L, Van Etten +3 more
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Eukaryotic algae play a significant role in aquatic environments, both as primary producers and as potential pollutants. Some algae such as Chlamydomonas spp. and Chlorella spp. have also served as model systems for studying such diverse subjects as photosynthesis, cell cycle regulation, cell motility, and non-Mendelian (chloroplast) inheritance ...
J L, Van Etten +3 more
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Detoxification of Chlordecone Poisoned Rats with Chlorella and Chlorella Derived Sporopollenin
Drug and Chemical Toxicology, 1984Chlorella protothecoides accelerated the detoxification of chlordecone poisoned rats, decreasing the half-life of the toxin from 40 to 19 days. The ingested algae passed through the gastrointestinal tract unharmed , interrupted the enteric recirculation of the persistent insecticide, and subsequently eliminated the bound chlordecone with the feces. The
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Archives of Microbiology, 1987
Chlorella ellipsoidea was incubated in nitrogendeficient medium to examine the changes in the relative DNA content per nucleus, which were measured by epifluorescent microspectrophotometry combined with Feulgen-pararosaniline staining. The results were compared with synchronous multiplication in the basal medium.
M. Kobayashi, K. Hatta, M. Sugai
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Chlorella ellipsoidea was incubated in nitrogendeficient medium to examine the changes in the relative DNA content per nucleus, which were measured by epifluorescent microspectrophotometry combined with Feulgen-pararosaniline staining. The results were compared with synchronous multiplication in the basal medium.
M. Kobayashi, K. Hatta, M. Sugai
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