Matches in SemOpenAlex for { <https://semopenalex.org/work/W1987214947> ?p ?o ?g. }
- W1987214947 endingPage "189" @default.
- W1987214947 startingPage "119" @default.
- W1987214947 abstract "Dating from the Pre-Cambrian era, cyanobacteria have a long history of adaptation to the Earth's environment. By evolving oxygen via photosynthetic reactions similar to those of plants and green algae, these prokaryotes were essential to the evolution of the present biosphere. They continue to make a large contribution to the equilibrium of the Earth's atmosphere by production oxygen and removing carbon dioxide. To survive in extreme or variable environments, cyanobacteria have developed specific regulatory systems, in addition to more general mechanisms equivalent to those of other prokaryotes or photosynthesis eukaryotes. Specific regulatory systems control the differentiation of specialized nitrogen-fixing cells and of cell types facilitating the dispersion of species. In the past decade, considerable progress has been made towards understanding the expression of the cyanobacterial genome in response to variations in the intensity and spectral quality of incident light and in response to nutritional conditions, especially carbon, nitrogen and sulphur sources. These studies have provided insights into the relationships between carbon and nitrogen intermediary metabolism, and a start towards understanding of the interconnected pathways which lead from the perception of environmental signals to the regulation of enzyme activities and gene expression. Cyanobacterial regulatory mechanisms share common features with those of other prokaryotes, but are unique since these essentially photo-autotrophic organisms must maintain a proper cellular C/N balance, in spite of dailty variations in incident light. Thus an appropriate coordination between photosynthesis and other metabolic processes must be achieved through control of the catalytic activity of key enzymes by reducing equivalents and ATP produced by photosynthetic or respiratory electron transport. Recently discovered kinases/phosphatases act by post-translational modification of specific proteins which probably act as signal transducers or modulators of gene expression in a manner similar to the well-known two-component regulatory systems described in other bacteria. In this overview, we present our current knowledge on the molecular aspects of the biology of cyanobacteria, as well as on their mechanisms of resistance to metal ions and their responses to metabolic stress." @default.
- W1987214947 created "2016-06-24" @default.
- W1987214947 creator A5040627271 @default.
- W1987214947 creator A5065755621 @default.
- W1987214947 date "1993-01-01" @default.
- W1987214947 modified "2023-10-09" @default.
- W1987214947 title "Adaptation of cyanobacteria to environmental stimuli: new steps towards molecular mechanisms" @default.
- W1987214947 cites W1011774174 @default.
- W1987214947 cites W1013143373 @default.
- W1987214947 cites W1024939989 @default.
- W1987214947 cites W1248664554 @default.
- W1987214947 cites W129224759 @default.
- W1987214947 cites W142347645 @default.
- W1987214947 cites W1434807704 @default.
- W1987214947 cites W1456525339 @default.
- W1987214947 cites W1463608109 @default.
- W1987214947 cites W1479675072 @default.
- W1987214947 cites W1485645722 @default.
- W1987214947 cites W1487897244 @default.
- W1987214947 cites W1488418642 @default.
- W1987214947 cites W1490671975 @default.
- W1987214947 cites W1491669950 @default.
- W1987214947 cites W1492210600 @default.
- W1987214947 cites W1492465023 @default.
- W1987214947 cites W1493347191 @default.
- W1987214947 cites W1493464805 @default.
- W1987214947 cites W1496352141 @default.
- W1987214947 cites W1498024736 @default.
- W1987214947 cites W1498720225 @default.
- W1987214947 cites W1501566966 @default.
- W1987214947 cites W1503676980 @default.
- W1987214947 cites W1505415047 @default.
- W1987214947 cites W1505843411 @default.
- W1987214947 cites W1506353539 @default.
- W1987214947 cites W1509563342 @default.
- W1987214947 cites W1514373528 @default.
- W1987214947 cites W1519500488 @default.
- W1987214947 cites W1519984937 @default.
- W1987214947 cites W1524978332 @default.
- W1987214947 cites W1527199045 @default.
- W1987214947 cites W1528942693 @default.
- W1987214947 cites W1529358884 @default.
- W1987214947 cites W1529503081 @default.
- W1987214947 cites W1531951513 @default.
- W1987214947 cites W1533088771 @default.
- W1987214947 cites W1541049018 @default.
- W1987214947 cites W1541080768 @default.
- W1987214947 cites W1541521276 @default.
- W1987214947 cites W1542213596 @default.
- W1987214947 cites W1544748162 @default.
- W1987214947 cites W1545102559 @default.
- W1987214947 cites W1547413582 @default.
- W1987214947 cites W1551231598 @default.
- W1987214947 cites W1554940541 @default.
- W1987214947 cites W1567112293 @default.
- W1987214947 cites W1568831798 @default.
- W1987214947 cites W1569390034 @default.
- W1987214947 cites W1573133610 @default.
- W1987214947 cites W1577587756 @default.
- W1987214947 cites W1579291347 @default.
- W1987214947 cites W1583492303 @default.
- W1987214947 cites W1583532427 @default.
- W1987214947 cites W1585993787 @default.
- W1987214947 cites W1586012026 @default.
- W1987214947 cites W1586059912 @default.
- W1987214947 cites W1587611886 @default.
- W1987214947 cites W1588450758 @default.
- W1987214947 cites W1589379222 @default.
- W1987214947 cites W1590463192 @default.
- W1987214947 cites W1597957135 @default.
- W1987214947 cites W1601579247 @default.
- W1987214947 cites W1608450499 @default.
- W1987214947 cites W1608839286 @default.
- W1987214947 cites W1610613229 @default.
- W1987214947 cites W1612056566 @default.
- W1987214947 cites W1615127083 @default.
- W1987214947 cites W1626710467 @default.
- W1987214947 cites W1647986506 @default.
- W1987214947 cites W1658557299 @default.
- W1987214947 cites W1667473058 @default.
- W1987214947 cites W1667785185 @default.
- W1987214947 cites W1671777287 @default.
- W1987214947 cites W1684230795 @default.
- W1987214947 cites W1697966926 @default.
- W1987214947 cites W1758851505 @default.
- W1987214947 cites W1762895268 @default.
- W1987214947 cites W1770902350 @default.
- W1987214947 cites W1775648708 @default.
- W1987214947 cites W1781809386 @default.
- W1987214947 cites W1790430128 @default.
- W1987214947 cites W1795422331 @default.
- W1987214947 cites W1797813401 @default.
- W1987214947 cites W1801849869 @default.
- W1987214947 cites W1810310318 @default.
- W1987214947 cites W1813158777 @default.
- W1987214947 cites W1813969041 @default.
- W1987214947 cites W1814257099 @default.
- W1987214947 cites W1820914271 @default.