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首页> 外文期刊>African Journal of Biotechnology >Photoprotective and biotechnological potentials of cyanobacterial sheath pigment, scytonemin
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Photoprotective and biotechnological potentials of cyanobacterial sheath pigment, scytonemin

机译：蓝细菌鞘色素，胞嘧啶的光防护和生物技术潜力

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摘要

Cyanobacteria are the main component of microbial populations fixing atmospheric nitrogen in aquatic as well as terrestrial ecosystems, especially in wetland rice-fields, where they significantly contribute to fertility as natural biofertilizers. Cyanobacteria require solar radiation as their primary source of energy to carry out both photosynthesis and nitrogen fixation. The stratospheric ozone depletion which has resulted in an increase in ultraviolet-B (UV-B; 280 - 315 nm) radiation on earth’s surface has been reported to inhibit a number of photochemical and photobiological processes in cyanobacteria. However, certain cyanobacteria have evolved mechanisms such as synthesis of photoprotective compound scytonemin and their derivatives to counteract the damaging effects of UV-B. In addition this compound has anti-inflammatory and anti-proliferative potentials. This review deals with the role of scytonemin as photoprotective compound and its pharmacological as well as biotechnological potentials.
机译：蓝细菌是固定水生和陆地生态系统（尤其是湿地稻田）中微生物氮的微生物种群的主要组成部分，在那里，它们作为天然生物肥料显着促进了肥力。蓝细菌需要太阳辐射作为它们进行光合作用和固氮的主要能源。据报道，平流层臭氧消耗导致地球表面的紫外线B（UV-B; 280-315 nm）辐射增加，从而抑制了蓝细菌中的许多光化学和光生物过程。然而，某些蓝细菌已经进化出机制，例如光保护性化合物胞嘧啶及其衍生物的合成，以抵消UV-B的破坏作用。另外，该化合物具有抗炎和抗增殖的潜力。这篇综述涉及scytonemin作为光保护化合物的作用及其药理和生物技术潜力。

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