Effects of Arbuscular Mycorrhizal Fungi on the Growth and Root Cell Ultrastructure of Eucalyptus grandis under Cadmium Stress

Kuang, Yuxuan; Li, Xue; Wang, Wenwen; Wang, Xinyang; Wei, Hongjian; Chen, Hui; Hu, Wentao; Ming, Tang

doi:10.3390/jof9020140

Cited by 15 publications

(8 citation statements)

References 46 publications

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“…This result was similar to the result of You's study, which showed that the host plants are most dependent on mycorrhizal fungi under higher concentrations of heavy metal stress [35]. Previous studies have demonstrated that AMF are present in various metal-contaminated sites and can develop tolerance to excessive amounts of various trace elements [37][38][39][40]. Similar results were found in this study as the AMF species showed a good Mo tolerance.…”

Section: Discussionsupporting

confidence: 91%

AMF Inoculation Alleviates Molybdenum Toxicity to Maize by Protecting Leaf Performance

Zhang

Shi

et al. 2023

JoF

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The use of arbuscular mycorrhizal fungi (AMF) is a vital strategy for enhancing the phytoremediation of heavy metals. However, the role of AMF under molybdenum (Mo) stress is elusive. A pot culture experiment was conducted to explore the effects of AMF (Claroideoglomus etunicatum and Rhizophagus intraradices) inoculation on the uptake and transport of Mo and the physiological growth of maize plants under different levels of Mo addition (0, 100, 1000, and 2000 mg/kg). AMF inoculation significantly increased the biomass of maize plants, and the mycorrhizal dependency reached 222% at the Mo addition level of 1000 mg/kg. Additionally, AMF inoculation could induce different growth allocation strategies in response to Mo stress. Inoculation significantly reduced Mo transport, and the active accumulation of Mo in the roots reached 80% after inoculation at the high Mo concentration of 2000 mg/kg. In addition to enhancing the net photosynthetic and pigment content, inoculation also increased the biomass by enhancing the uptake of nutrients, including P, K, Zn, and Cu, to resist Mo stress. In conclusion, C. etunicatum and R. intraradices were tolerant to the Mo stress and could alleviate the Mo-induced phytotoxicity by regulating the allocation of Mo in plants and improving photosynthetic leaf pigment contents and the uptake of nutrition. Compared with C. etunicatum, R. intraradices showed a stronger tolerance to Mo, which was manifested by a stronger inhibition of Mo transport and a higher uptake of nutrient elements. Accordingly, AMF show potential for the bioremediation of Mo-polluted soil.

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Section: Discussionsupporting

confidence: 91%

AMF Inoculation Alleviates Molybdenum Toxicity to Maize by Protecting Leaf Performance

Zhang

Shi

et al. 2023

JoF

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“…This means that when plant shoots are infected with arbuscular mycorrhizal fungi, the plant's ability to absorb and accumulate heavy metals such as Cd, Pb, Cu, Mn, Fe, Ni, Cr, and As in its shoots decreases. Several recent researchers have also reported that AMF have the ability to inhibit the translocation of heavy metals to the shoots [28,[34][35].…”

Section: Discussionmentioning

confidence: 98%

Unraveling the Effects of Arbuscular Mycorrhizal Fungi on Plant Growth, Nutrient Content, and Heavy Metal Accumulation in the Contaminated Soil: A Meta-analysis

Putra,

Jayanegara,

Susanto

2024

App. Envi. Res.

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This study evaluated the effects of arbuscular mycorrhizal fungi (AMF) on plant growth, nutrient uptake, and heavy metal accumulation on polluted land using a meta-analysis approach. Data from 33 relevant studies were selected based on inclusion criteria, specifically articles in English, observational research, and investigating the role of AMF in plant growth and productivity on polluted land. The results showed that plants inoculated with AMF experienced significant accumulation of heavy metals in roots, such as Pb (p<0.01), Ni (p<0.01), Cr (p<0.01), Mn (p<0.05), Fe (p<0.05), and As (p<0.05). The AMF significantly reduced the accumulation of heavy metals such as Cr, Ni, Fe, and Cu on the upper part of fodder forage (p<0.01). Forage growth was also enhanced due to AMF. The AMF greatly increased the fresh weight, length, and phosphorus (P) content of fodder forage roots (p<0.01). It also increased the plant's biomass, fresh weight, dry weight, height, nitrogen (N), phosphorus (P), and potassium (K) contents (p<0.01). In conclusion, AMF is important in increasing plant growth, nutrient uptake and reducing heavy metal accumulation in forage on polluted land.

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“…In the research by Kuang et al, the scholars aimed to explore the impacts of diverse cadmium (Cd) levels on the translocation ratio and mycorrhizal efficiency in E. Grandis with AMF colonization. The findings revealed intriguing discoveries that illuminated the interaction between cadmium (Cd), AMF, and plant physiology [17]. The scientists administered varying quantities of Cd to E. Grandis, with a range of sizes from 50 μm to 500 μm.…”

Section: Effect Of Soil Pollutants On Amf Colonizationmentioning

confidence: 99%

Investigating the effect of environmental factors on Arbuscular Mycorrhizal Fungi (AMF) Colonization

Ephraim Motaroki Menge

2023

Int. J. Sci. Res. Arch.

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Arbuscular mycorrhizal fungi (AMF) plays a crucial role in plant growth by establishing mutually beneficial partnerships with the roots of most terrestrial plants. This symbiotic partnership yields many benefits to the fungi and the plants, including enhanced nutrient uptake, augmented defense against harmful organisms, and heightened resilience to various environmental challenges. Gaining insight into the factors influencing AMF colonization is critical for implementing advanced land management strategies and fostering sustainable agriculture. Moreover, acknowledging the significance of environmental components like light, temperature, pH, and organic matter in AMF colonization is crucial in promoting sustainable land management strategies. Past research on the influence of these factors on AMF colonization provides valuable insights for maximizing the potential of these beneficial microbes. However, some gaps necessitate further studies to comprehend AMF's effectiveness fully. Investigating the interrelationships between multiple ecological variables, exploring the impact of pollutants and heavy metals, studying the function of root exudations and the plant's response to environmental stress, and examining the potential for AMF-supported phytoremediation are all significant research areas in this domain. By acquiring a deeper understanding of these aspects, it becomes feasible to devise strategies to enhance the establishment and effectiveness of AMF, thereby fostering sustainable farming and land management practices.

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Effects of Arbuscular Mycorrhizal Fungi on the Growth and Root Cell Ultrastructure of Eucalyptus grandis under Cadmium Stress

Cited by 15 publications

References 46 publications

AMF Inoculation Alleviates Molybdenum Toxicity to Maize by Protecting Leaf Performance

AMF Inoculation Alleviates Molybdenum Toxicity to Maize by Protecting Leaf Performance

Unraveling the Effects of Arbuscular Mycorrhizal Fungi on Plant Growth, Nutrient Content, and Heavy Metal Accumulation in the Contaminated Soil: A Meta-analysis

Investigating the effect of environmental factors on Arbuscular Mycorrhizal Fungi (AMF) Colonization

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