旭月公司 - 微生物

Paxillus involutus-Facilitated Cd²⁺ Influx through Plasma MembraneCd²⁺-Permeable Channels Is Stimulated by H₂O₂ and H⁺-ATPase in Ectomycorrhizal Populus × canescens under Cadmium Stress

Hexavalent chromium induced oxidative stress and apoptosis in Pycnoporus sanguineus

The possible role of bacterial signal molecules N-acyl homoserine lactones in the formation of diatom-biofilm (Cylindrotheca sp.)

Physiological fluxes and antioxidative enzymes activities of immobilized Phanerochaete chrysosporium loaded with TiO₂ nanoparticles after exposure to toxic pollutants in solution

Mechanisms underlying turgor regulation in the estuarine alga Vaucheria erythrospora (Xanthophyceae) exposed to hyperosmotic shock

Ca²⁺ Signal Transduction Related to Neutral Lipid Synthesis in an Oil-Producing Green Alga Chlorella sp. C2

Responses of Phanerochaete chrysosporium to Toxic Pollutants: Physiological Flux, Oxidative Stress, and Detoxification

Surface tip-to-base Ca²⁺ and H⁺ ionic fluxes are involved in apical growth and graviperception of the Phycomyces stage I sporangiophore

Electrical Phenotypes of Calcium Transport Mutant Strains of a Filamentous Fungus, Neurospora crassa

Osmotic adjustment and requirement for sodium in marine protist thraustochytrid

Ion transport and osmotic adjustment in Escherichia coli in response to ionic and non-ionic osmotica

Cyclopropane fatty acids improve Escherichia coli survival in acidified minimal media by reducing membrane permeability to H⁺ and enhanced ability to extrude H⁺

Turgor regulation in the osmosensitive cut mutant of Neurospora crassa

Ionic currents and ion fluxes in Neurospora crassa hyphae

Cd²⁺、Cu²⁺、Pb²⁺、NH₄⁺、O₂、H⁺、 K⁺、 Na⁺、Ca²⁺

1）Cd²⁺、Pb²⁺、Cu²⁺生理功能概述

2）科研案例

以硅藻为材料，研究硅的有效性对硅藻金属敏感性的影响。发现硅饥饿严重影响了对镉、铜和铅的耐受性。多个证据表明富硅细胞比缺硅细胞具有更高的金属吸附和内流速率。富硅细胞通过提高细胞膜和液泡金属转运体的表达和抗氧化活性，清除金属应激产生的活性氧，从而对金属毒性做出响应。

Zhou B, Ma J, Chen F, et al. Mechanisms underlying silicon-dependent metal tolerance in the marine diatom Phaeodactylum tricornutum. Environ Pollut. 2020;262:114331.
1）NH₄⁺生理功能概述

2）科研案例

研究了城市污水中新出现的污染物CTAC对小球藻F1068细胞（人工去除EPS-R）和自然包覆EPS（EPS-C）对NH₄⁺转运和吸收的影响。结果表明，去除EPS可促进NH₄⁺的转移和吸收，但EPS的存在使NH₄⁺保持不变，并有效地减弱了CTAC（b0.5mg/L）对NH₄⁺吸收的能力，为藻类EPS在未来基于藻类的污水处理应用中在共存的有毒物质的转移和吸收养分中的作用提供了见解。

Li F, Kuang Y, Liu N, Ge F. Extracellular polymeric substrates of Chlorella vulgaris F1068 weaken stress of cetyltrimethyl ammonium chloride on ammonium uptake. Sci Total Environ. 2019;661:678-684.
1）O₂生理功能概述

2）科研案例

以小球藻为材料，研究了其对微培养（5种不同的微孔深度，四种直径水平）的细胞反应。结果表明，O₂的流速随着深度从10µm增加到100µm逐渐升高，但随着深度加深到200µm，氧气流速迅速降低，这实际上是细胞生理学和密度的综合结果。综上所述，直径/深度比约为1的微孔中的细胞具有最高的比生长率和氧流量。模拟还表明，在直径与深度比较高的微孔中，传质效果更好。

Zhang P, Xiao Y, Li Z, Guo J, Lu L. Microalgae in Microwell Arrays Exhibit Differences with Those in Flasks: Evidence from Growth Rate, Cellular Carotenoid, and Oxygen Production. Front Plant Sci. 2018;8:2251. Published 2018 Jan 10. doi:10.3389/fpls.2017.02251
1） Ca²⁺生理功能概述

2）科研案例

利用NMT技术测定盐胁迫下，卷边桩菇的两种菌株MAJ和NAU的Na⁺、K⁺、Ca²⁺和H⁺的动态变化。在短期盐处理和长期盐处理下，两种菌株Na⁺外流明显增加，尤以NAU菌丝更加加明显。卷边桩菇菌丝的抑制剂的敏感性研究显示，两种菌株Na⁺外排源于Na⁺/ H⁺逆向转运。在瞬时盐处理下，两种菌株都有很强的减少K⁺外流的能力。在非盐胁迫下，两种菌株显示稳定的Ca²⁺内流。因此推断，在盐胁迫下，卷边桩菇真菌所富含的Ca²⁺有助于宿根共生体通过增强Na⁺外排和减缓K⁺流失来协助宿主植物保持离子平衡的。

Li J, Bao S, Zhang Y, et al. Paxillus involutus strains MAJ and NAU mediate K(⁺)/Na(⁺) homeostasis in ectomycorrhizal Populus x canescens under sodium chloride stress. Plant Physiol. 2012;159(4):1771-1786. doi:10.1104/pp.112.195370