Molecular Mechanisms of the Cyanobacterial Response to Different Phosphorus Sources

Qi Zhang, Lu Jia, Yuchen Chen (), Hanlu Yan, Qiuwen Chen, Jianmin Zhang and Hao Sun
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Qi Zhang: College of Water Resource and Hydropower, Sichuan University, Chengdu 610065, China
Lu Jia: Huai’an City Water Conservancy Engineering Construction Management Service Center, Huai’an 223021, China
Yuchen Chen: Center for Eco-Environmental Research, Nanjing Hydraulic Research Institute, Nanjing 210029, China
Hanlu Yan: Center for Eco-Environmental Research, Nanjing Hydraulic Research Institute, Nanjing 210029, China
Qiuwen Chen: Center for Eco-Environmental Research, Nanjing Hydraulic Research Institute, Nanjing 210029, China
Jianmin Zhang: College of Water Resource and Hydropower, Sichuan University, Chengdu 610065, China
Hao Sun: Center for Eco-Environmental Research, Nanjing Hydraulic Research Institute, Nanjing 210029, China

Sustainability, 2024, vol. 16, issue 13, 1-14

Abstract: There are different phosphorus (P) sources of varied concentrations in aquatic ecosystems. The sensing of P by cyanobacteria in the environment is predominantly regulated by two-component signal transduction systems in which the phosphate (Pho) regulon plays a crucial role in maintaining phosphate homeostasis. It responds rapidly and connects to metabolic processes through cross-talk mechanisms. However, the physiological and biochemical mechanisms of the cyanobacterial response to different P sources remain unclear. This review article aims to integrate the physiological and molecular information on the regulatory mechanisms of the cyanobacterial response to different P sources in terms of hydrolysis, transport, and inorganic P (DIP) utilization strategies. Topics covered include enzymatic utilization of DOP (C-O-P, C-P), phosphate transport systems, and exploring the potential P metabolic pathways that might occur in cyanobacteria. This is of great significance for mitigating eutrophication and maintaining the sustainable development of aquatic systems.

Keywords: cyanobacteria; organophosphorus hydrolysis; phosphate transport system; molecular mechanism; polyphosphate (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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