Algae autotrophic

Aquatic single cell organisms with a size range of about 0.02-200 pm in diameter occur in nature in concentrations that range from about 102 to 107 per ml. They include viruses, bacteria, cyanobacteria (formerly known as blue-green algae), autotrophic phytoplankton (unicellular plants), and heterotrophic zooplankton (unicellular animals). The analysis of aquatic organisms by flow cytometry presents... 

Chrysomonada (Chiysophyta) Golden-yellow marine algae, autotrophic... 

The reduction of ketones, aldehydes, and olefins has been extensively explored using chemical and biological methods. As the latter method, reduction by heterotrophic microbes has been widely used for the synthesis of chiral alcohols. On the contrary, the use of autotrophic photosynthetic organisms such as plant cell and algae is relatively rare and has not been explored because the method for cultivation is different from that of heterotrophic microbes. Therefore, the investigation using photosynthetic organisms may lead to novel biotransformations. 

Biofilms are a complex mixture of bacteria, algae and other organisms (Fig. 11). In well-illuminated environments, micro-algae (phytobenthos) make up the largest fraction of the biofilm biomass, which plays a vital role as a primary producer. However, in non-lit environments, heterotrophs (bacteria, protozoa) account for the greatest proportion within the biofilm. The composition and abundance of phytobenthos (periphyton or autotrophic biofilm) have a recognised role by the WFD. 

Composting is a biological process mediated by microbes belonging to the kingdom Protest, which includes bacteria, algae, fungi, protozoa, and virus particles (Table 12.2). Microbes can be classified into metabolic types based on the carbon and energy sources utilized by the cell. Autotrophs use carbon dioxide as a... 

Racker and Schroeder (85) questioned the importance of the alkaline FDPase in photosynthesis because of its lack of activity at neutral pH, its apparent cytoplasmic localization, and the presence of a second enzyme or enzymes which appeared to be associated with the chloroplasts and which hydrolyzed both FDP and SDP. Later work, however, has clearly established the function of this enzyme in the photosynthetic carbon cycle. Smillie has shown that the alkaline FDPase is associated with photosynthetic tissues in higher plants and Euglena (101, 102). The enzyme was also shown to be localized in the chloroplasts and to be absent in nonphotosynthetic tissue or bleached algae. It was the only FDPase detected in the photosynthetic bacterium Chromatium grown under autotrophic conditions (102). Preiss et al. (103) have pointed... 

This cycle represents the quantitatively most important C02 fixation pathway in Nature. It is found in most aerobic autotrophic organisms, ranging from diverse photosynthetic and chemolithoautotrophic bacteria to chloroplasts of eukaryotic algae and higher plants [5]. It is centered around carbohydrates, with ribulose 1,5-bisphosphate being the C02 acceptor (Figure 3.1). 

Autotrophic organisms (plants and algae) which synthesize organic matter from inorganic materials (e.g., algae photosynthesize sugars from C02). Volume 2(1). 

Similar concentration factors for fenitrothion in two species of autotrophic algae were observed by Weinberger et al (4). 

Autotrophs organisms (e.g., vascular plants and algae) that make their own food for energy. 

Risgaard-Petersen, N. (2003) Coupled nitrification-denitrification in autotrophic and heterotrophic estuarine sediments on the influence of benthic algae. Limnol. Oceanogr. 48, 93-105. 

Extracellular calcium carbonate formation by some cyanobacteria and algae, which are photo synthetic autotrophs that obtain their carbon from CO2, can be explained by Eq. (1.5) above. In that instance, the uptake and fixation of CO2 by the cyanobacteria and algae promotes C03 formation needed for precipitation of extracellular CaC03. In the cyanobacterium Synechococcus, the Ca precipitated by C03 from photosynthesis is derived from that bound to the cell surface of Synechococcus (Thompson et al., 1990). 

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