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Regulation of sulfur metabolism, homeostasis and adaptive responses to sulfur limitation in cyanobacteria
Biologia ( IF 1.5 ) Pub Date : 2021-07-16 , DOI: 10.1007/s11756-021-00819-5
Surbhi Kharwar 1 , Samujjal Bhattacharjee 1 , Sindhunath Chakraborty 1 , Arun Kumar Mishra 1
Affiliation  

Understanding of sulfur metabolism has reached a new dimension with comprehension of its molecular regulation; however, knowledge underlining the evolutionary perspective and dynamics of this metabolism in cyanobacteria is still limited. In this review, we provided a comprehensive overview of sulfur metabolism with special emphasis on cyanobacteria and discussed the biosynthesis of cysteine and its downstream sulfur containing metabolites. Here, we invested efforts to understand the possible regulatory mechanisms of cyanobacterial sulfur assimilation process by comparing with that of other bacteria and plants. The impact of sulfur limitation on the morpho-physiological, biochemical, and molecular responses in cyanobacteria was also elucidated. The present work reflected that the cyanobacterial sulfur assimilatory pathway is identical to that of bacteria and plants since all of them employ similar enzymes in the process; however, the regulatory mechanism may vary in cyanobacteria. This communication comprehends the recent progresses made in the field of cyanobacterial sulfur metabolism research along with a comparative account of sulfur metabolism in some related organisms. Therefore, this review not only gives a broad overview on cyanobacterial sulfur metabolism but also increases our understanding of the importance and evolutionary perspective of this crucial metabolism.



中文翻译:

蓝藻硫代谢、稳态和对硫限制的适应性反应的调节

随着对硫代谢的分子调控的理解,对硫代谢的理解达到了一个新的层面;然而,强调蓝藻中这种代谢的进化观点和动力学的知识仍然有限。在这篇综述中,我们提供了硫代谢的全面概述,特别强调了蓝藻,并讨论了半胱氨酸及其下游含硫代谢物的生物合成。在这里,我们通过与其他细菌和植物的比较,努力了解蓝藻硫同化过程的可能调控机制。还阐明了硫限制对蓝藻中形态生理、生化和分子反应的影响。目前的研究表明,蓝藻的硫同化途径与细菌和植物的硫同化途径相同,因为它们在这个过程中都使用了相似的酶;然而,蓝藻的调节机制可能有所不同。该通讯包括蓝藻硫代谢研究领域的最新进展以及一些相关生物体中硫代谢的比较说明。因此,这篇综述不仅对蓝藻硫代谢进行了广泛的概述,而且还增加了我们对这种关键代谢的重要性和进化观点的理解。该通讯包括蓝藻硫代谢研究领域的最新进展以及一些相关生物体中硫代谢的比较说明。因此,这篇综述不仅对蓝藻硫代谢进行了广泛的概述,而且还增加了我们对这种关键代谢的重要性和进化观点的理解。该通讯包括蓝藻硫代谢研究领域的最新进展以及一些相关生物体中硫代谢的比较说明。因此,这篇综述不仅对蓝藻硫代谢进行了广泛的概述,而且还增加了我们对这种关键代谢的重要性和进化观点的理解。

更新日期:2021-07-16
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