CO2-concentrating mechanisms in aquatic photosynthetic microorganisms

2005 ◽  
Vol 83 (7) ◽  
pp. 695-697 ◽  
Author(s):  
George S Espie ◽  
Brian Colman
Keyword(s):  
Population Dynamics ◽  
Inorganic Carbon ◽  
Carbon Utilization ◽  
Photosynthetic Organisms ◽  
Current State ◽  
Photosynthetic Microorganisms ◽  
Inorganic Carbon Utilization ◽  
Co2 Concentrating Mechanisms ◽  
Global Carbon ◽  
Made In

The articles in this issue of the Canadian Journal of Botany arose from presentations given at The Fifth International Symposium on Inorganic Carbon Utilization by Aquatic Photosynthetic Organisms held from 24 to 28 August 2004 at Saint-Sauveur, Quebec, Canada. They represent the current state of our understanding of CO2-concentrating mechanisms in these organisms and highlight recent molecular, physiological, and ecological advances made in this field of study. The influence of CO2-concentrating mechanisms on global carbon sequestration, species diversity, and population dynamics are also explored.Key words: algae, CO2-concentrating mechanisms, cyanobacteria, photosynthesis.

Inorganic Carbon Utilization by Cyanobacteria

1984 ◽  
pp. 457-460 ◽  
Author(s):  
G. S. Espie ◽  
K. A. Gehl ◽  
G. W. Owttrim ◽  
B. Colman
Keyword(s):  
Inorganic Carbon ◽  
Carbon Utilization ◽  
Inorganic Carbon Utilization

Extracellular carbonic anhydrase of Chlamydomonas reinhardtii: localization, structural properties, and catalytic properties

1991 ◽  
Vol 69 (5) ◽  
pp. 1079-1087 ◽  
Author(s):  
H. David Husic
Keyword(s):  
Plasma Membrane ◽  
Carbonic Anhydrase ◽  
Chlamydomonas Reinhardtii ◽  
Inorganic Carbon ◽  
Catalytic Properties ◽  
Physiological Role ◽  
Carbon Utilization ◽  
Unicellular Green Alga ◽  
Inorganic Carbon Utilization ◽  
Inorganic Carbon Acquisition

In the unicellular green alga Chlamydomonas reinhardtii, a form of the enzyme carbonic anhydrase that is localized outside of the plasma membrane is an inducible component of a system that is involved in inorganic carbon acquisition and concentration from the growth medium. This article contains a review and analysis of the current literature regarding the extracellular carbonic anhydrase from Chlamydomonas reinhardtii and presents some new studies on its extracellular localization, physiological role in inorganic carbon acquisition, and some of the structural and catalytic properties of the enzyme. Key words: carbonic anhydrase, Chlamydomonas reinhardtii, inorganic carbon utilization.

Kinetics of inorganic carbon utilization by microalgal biofilm in a flat plate photoreactor

Chemosphere ◽  
2003 ◽  
Vol 53 (7) ◽  
pp. 779-787 ◽  
Author(s):  
Yen H. Lin ◽  
Jyh Y. Leu ◽  
Chi R. Lan ◽  
P-Hsiu P. Lin ◽  
Fuh L. Chang
Keyword(s):  
Flat Plate ◽  
Inorganic Carbon ◽  
Carbon Utilization ◽  
Inorganic Carbon Utilization ◽  
Kinetics Of

scholarly journals Ubiquity and functional uniformity in CO2 concentrating mechanisms in multiple phyla of Bacteria is suggested by a diversity and prevalence of genes encoding candidate dissolved inorganic carbon transporters

2020 ◽  
Vol 367 (13) ◽  
Author(s):  
Kathleen M Scott ◽  
Tara L Harmer ◽  
Bradford J Gemmell ◽  
Andrew M Kramer ◽  
Markus Sutter ◽  
...  
Keyword(s):  
Inorganic Carbon ◽  
Dissolved Inorganic Carbon ◽  
Extreme Environments ◽  
Bacterial Genomes ◽  
Low Co2 ◽  
Transporter Family ◽  
Genes Encoding ◽  
Co2 Concentrating Mechanisms ◽  
Biological Component ◽  
Global Carbon

ABSTRACT Autotrophic microorganisms catalyze the entry of dissolved inorganic carbon (DIC; = CO2 + HCO3− + CO32−) into the biological component of the global carbon cycle, despite dramatic differences in DIC abundance and composition in their sometimes extreme environments. “Cyanobacteria” are known to have CO2 concentrating mechanisms (CCMs) to facilitate growth under low CO2 conditions. These CCMs consist of carboxysomes, containing enzymes ribulose 1,5-bisphosphate oxygenase and carbonic anhydrase, partnered to DIC transporters. CCMs and their DIC transporters have been studied in a handful of other prokaryotes, but it was not known how common CCMs were beyond “Cyanobacteria”. Since it had previously been noted that genes encoding potential transporters were found neighboring carboxysome loci, α-carboxysome loci were gathered from bacterial genomes, and potential transporter genes neighboring these loci are described here. Members of transporter families whose members all transport DIC (CHC, MDT and Sbt) were common in these neighborhoods, as were members of the SulP transporter family, many of which transport DIC. 109 of 115 taxa with carboxysome loci have some form of DIC transporter encoded in their genomes, suggesting that CCMs consisting of carboxysomes and DIC transporters are widespread not only among “Cyanobacteria”, but also among members of “Proteobacteria” and “Actinobacteria”.

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