Effect of Dark Septate Endophytic Fungus Gaeumannomyces cylindrosporus on Plant Growth, Photosynthesis and Pb Tolerance of Maize ( Zea mays L.)

Ban, Yihui; Xu, Zhouying; Yang, Yurong; Zhang, Haihan; Chen, Hui; Tang, Ming

doi:10.1016/s1002-0160(17)60316-3

Cited by 88 publications

(38 citation statements)

References 40 publications

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“…Currently, Mn has been recognized as an indicator of P acquisition efficiency by plants (Lambers et al, 2015 ). Thus, an increase in Fe, Mn, and Zn contents corroborates previous studies (Zhang et al, 2012 , 2017 ; Ban et al, 2017 ) which suggested involvement of DSE fungi in photosynthetic activity by increasing chlorophyll levels, photochemical efficiency of photosystem II, net photosynthetic rate, stomatal conductance, and transpiration rate, leading to higher glucose (Andrade-Linares et al, 2011b ) and soluble sugar contents (Vergara et al, 2017 ).…”

Section: Discussionsupporting

confidence: 88%

Dark Septate Endophytic Fungi Help Tomato to Acquire Nutrients from Ground Plant Material

et al. 2017

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Dark septate endophytic (DSE) fungi are facultative biotrophs that associate with hundreds of plant species, contributing to their growth. These fungi may therefore aid in the search for sustainable agricultural practices. However, several ecological functions of DSE fungi need further clarification. The present study investigated the effects of DSE fungi inoculation on nutrient recovery efficiency, nutrient accumulation, and growth of tomato plants fertilized with organic and inorganic N sources. Two experiments were carried out under greenhouse conditions in a randomized blocks design, with five replicates of tomato seedlings grown in pots filled with non-sterile sandy soil. Tomato seedlings (cv. Santa Clara I-5300) inoculated with DSE fungi (isolates A101, A104, and A105) and without DSE fungi (control) were transplanted to pots filled with 12 kg of soil which had previously received finely ground plant material [Canavalia ensiformis (L.)] that was shoot enriched with 0.7 atom % 15N (organic N source experiment) or ammonium sulfate-15N enriched with 1 atom % 15N (mineral N source experiment). Growth indicators, nutrient content, amount of nitrogen (N) in the plant derived from ammonium sulfate-15N or C. ensiformis-15N, and recovery efficiency of 15N, P, and K by plants were quantified 50 days after transplanting. The treatment inoculated with DSE fungi and supplied with an organic N source showed significantly higher recovery efficiency of 15N, P, and K. In addition, the 15N, N, P, K, Ca, Mg, Fe, Mn, and Zn content, plant height, leaf number, leaf area (only for the A104 inoculation), and shoot dry matter increased. In contrast, the only positive effects observed in the presence of an inorganic N source were fertilizer-K recovery efficiency, content of K, and leaf area when inoculated with the fungus A104. Inoculation with A101, A104, and A105 promoted the growth of tomato using organic N source (finely ground C. ensiformis-15N plant material).

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Section: Discussionsupporting

confidence: 88%

Dark Septate Endophytic Fungi Help Tomato to Acquire Nutrients from Ground Plant Material

et al. 2017

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“…There are many papers that discuss the toxic effect of Cd or Pb on the gas exchange in plants [4,[62][63][64][65][66][67], but there is a paucity of published works that describe the gas exchange parameters in relation to the hormetic stimulation of growth. Ban et al [68] showed that a low dose of Pb stimulated growth, the photosynthetic rate, transpiration and stomatal conductance in corn. In the shoots of many plant species, the hormesis that is caused by Cd is associated with an increase in the photosynthesis activity, which improves plant development [4,41].…”

Section: Discussionmentioning

confidence: 99%

Hormesis in Plants: The Role of Oxidative Stress, Auxins and Photosynthesis in Corn Treated with Cd or Pb

Małkowski

Sitko

Szopiński

et al. 2020

IJMS

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Hormesis, which describes the stimulatory effect of low doses of toxic substances on growth, is a well-known phenomenon in the plant and animal kingdoms. However, the mechanisms that are involved in this phenomenon are still poorly understood. We performed preliminary studies on corn coleoptile sections, which showed a positive correlation between the stimulation of growth by Cd or Pb and an increase in the auxin and H 2 O 2 content in the coleoptile sections. Subsequently, we grew corn seedlings in hydroponic culture and tested a wide range of Cd or Pb concentrations in order to determine hormetic growth stimulation. In these seedlings the gas exchange and the chlorophyll a fluorescence, as well as the content of chlorophyll, flavonol, auxin and hydrogen peroxide, were measured. We found that during the hormetic stimulation of growth, the response of the photosynthetic apparatus to Cd and Pb differed significantly. While the application of Cd mostly caused a decrease in various photosynthetic parameters, the application of Pb stimulated some of them. Nevertheless, we discovered that the common features of the hormetic stimulation of shoot growth by heavy metals are an increase in the auxin and flavonol content and the maintenance of hydrogen peroxide at the same level as the control plants.

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“…ECMF species of Suillus lactifluus A.H. [38]. These ECMF and DSE were selected because of their availability and record of intensive study [17,18,24,[37][38][39]. All the ECMF and DSE strains were subcultured in a Petri-dish of half strength potato dextrose agar (PDA) solid medium with a disk of mycelia agar (5 mm) from a culture stored at 4 • C. Five agar disks of mycelium (5 mm) from each of the 12 subcultured strains were used to inoculate one 250 mL Erlenmeyer flask containing 80 mL potato dextrose broth (PDB) and 5 replicates per strain.…”

Section: Plant and Fungal Materialsmentioning

confidence: 99%

“…It is well known that ECMF had tremendous effects on plants, such as facilitating water and nutrient uptake of host plants, improving plant growth, aiding in the accumulation of metabolites, and conferring resistance for host plants to pathogens and other abiotic stresses [14,[18][19][20][21]. DSE has a wide range of ecosystem distribution and variable effects on the growth of host plants [22][23][24]. Much research has indicated that DSE has a similar function to mycorrhizal fungi [22,25].…”

Section: Introductionmentioning

confidence: 99%

The Dark Septate Endophytes and Ectomycorrhizal Fungi Effect on Pinus tabulaeformis Carr. Seedling Growth and their Potential Effects to Pine Wilt Disease Resistance

Chu

Wang

et al. 2019

Forests

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Pine wilt disease (PWD), a worldwide threat to pine forests, has caused tremendous damage to conifer forest in the world. However, little research has been conducted on the relationship between symbiosis functions of root associated fungi and pine wilt disease. In this study, we assessed the influence of seven ectomycorrhizal fungi (ECMF) and five dark septate endophytic fungi (DSE) on the growth traits and root morphology as well as the correlation of these parameters to the cumulative mortality and the morbidity rates in Pinus tabulaeformis Carr.showed the lowest cumulative mortality rates. We propose that the ECMF/DSE symbiosis enhanced the resistance of pine wilt disease via mitigation the dysfunction of water caused by PWN infection. Our research provided evidence that inoculation of ECMF/DSE could be a potential way for pine wilt disease prevention. To find highly efficient fungi for pine wilt disease management, more ECMF and DSE species should be tested.

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Effect of Dark Septate Endophytic Fungus Gaeumannomyces cylindrosporus on Plant Growth, Photosynthesis and Pb Tolerance of Maize ( Zea mays L.)

Cited by 88 publications

References 40 publications

Dark Septate Endophytic Fungi Help Tomato to Acquire Nutrients from Ground Plant Material

Dark Septate Endophytic Fungi Help Tomato to Acquire Nutrients from Ground Plant Material

Hormesis in Plants: The Role of Oxidative Stress, Auxins and Photosynthesis in Corn Treated with Cd or Pb

The Dark Septate Endophytes and Ectomycorrhizal Fungi Effect on Pinus tabulaeformis Carr. Seedling Growth and their Potential Effects to Pine Wilt Disease Resistance

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