Alleviation of Mycorrhiza to Magnesium Deficiency in Trifoliate Orange: Changes in Physiological Activity

Zhang, Fei; Du, Pengfei; Song, Chunli; Wu, Qiang‐Sheng

doi:10.9755/ejfa.2015-05-240

Cited by 15 publications

(15 citation statements)

References 28 publications

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“…Though reports are available which shows that AMF benefited the host plant during colonization under Mg limited conditions (Wu et al, 2006; Doubková et al, 2012; Zhang et al, 2015). However, no information is available related to the functional characterization of the Mg transporter of the AMF.…”

Section: Discussionmentioning

confidence: 99%

“…Arbuscular mycorrhizal fungi has been reported to play important role in the uptake of the Mg from the soil and helps the plant grow healthy under Mg deficiency conditions (Wu et al, 2006; Doubková et al, 2012; Zhang et al, 2015). However, by taking a closer look of these reports, we found that no information is available on the functional characterization of the Mg transporter which is involved in the Mg transporter activity of the AMF.…”

Section: Introductionmentioning

confidence: 99%

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Functional Characterization of a Magnesium Transporter of Root Endophytic Fungus Piriformospora indica

et al. 2019

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Magnesium (Mg) is a crucial macronutrient required for the regular growth of plants. Here we report the identification, isolation and functional characterization of Mg-transporter PiMgT1 in root endophytic fungus Piriformospora indica. We also report the role of P. indica in the improvement of the Mg nutrition of the plant particularly under Mg deficiency condition. Protein BLAST (BLASTp) for conserved domains analysis showed that PiMgT1 belong to CorA like protein family of bacteria. We have also observed the presence of conserved ‘GMN’ signature sequence which suggests that PiMgT1 belongs to Mg transporter family. Phylogenetic analysis revealed that PiMgT1 clustered among fungal CorA family members nearer to basidiomycetes. Functionality of PiMgT1 was confirmed by complementation of a yeast magnesium transporter mutant CM66. We have observed that PiMgT1 restored the growth of mutant and showed comparable growth with that of WT. We found statistically significant (p < 0.05) two fold increase in the total intracellular Mg content of mutant complemented with PiMgT1 as compared to the mutant. These observations suggest that PiMgT1 is actively involved in Mg uptake by the fungus and may be helping in the nutritional status of the host plant.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Functional Characterization of a Magnesium Transporter of Root Endophytic Fungus Piriformospora indica

et al. 2019

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“…However, the rapid succession of the vegetation suggests that the plants are adequately supplied with all their nutrients and this includes, as suggested by Zhang et al . (), supplying magnesium which is absent in the original soils but constant at adequate levels in all the plants (data not shown). This opens the possibility of a much greater role for mycorrhizas in nutrient uptake than has so far been considered.…”

Section: Discussionmentioning

confidence: 99%

High nitrogen contribution by Gunnera magellanica and nitrogen transfer by mycorrhizas drive an extraordinarily fast primary succession in sub‐Antarctic Chile

et al. 2019

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Summary Chronosequences at the forefront of retreating glaciers provide information about colonization rates of bare surfaces. In the northern hemisphere, forest development can take centuries, with rates often limited by low nutrient availability. By contrast, in front of the retreating Pia Glacier (Tierra del Fuego, Chile), a Nothofagus forest is in place after only 34 yr of development, while total soil nitrogen (N) increased from near zero to 1.5%, suggesting a strong input of this nutrient. We measured N‐fixation rates, carbon fluxes, leaf N and phosphorus contents and leaf δ15N in the dominant plants, including the herb Gunnera magellanica, which is endosymbiotically associated with a cyanobacterium, in order to investigate the role of N‐fixing and mycorrhizal symbionts in N‐budgets during successional transition. G. magellanica presented some of the highest nitrogenase activities yet reported (potential maximal contribution of 300 kg N ha−1 yr−1). Foliar δ15N results support the framework of a highly efficient N‐uptake and transfer system based on mycorrhizas, with c. 80% of N taken up by the mycorrhizas potentially transferred to the host plant. Our results suggest the symbiosis of G. magellanica with cyanobacteria, and trees and shrubs with mycorrhizas, to be the key processes driving this rapid succession.

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“…Arbuscular mycorrhizal fungi (AMF), a kind of soil inhabited microbes, can establish symbiotic association (namely, arbuscular mycorrhiza) with most of terrestrial plants (Bainard et al, 2011). The presence of arbuscular mycorrhiza shows lots of benefits in the host plants, including enhancement in quality and growth of crops, improvement in physical and chemical properties of soils, increment in survive rate of micropropagated plants, alleviation of magnesium deficiency and drought stress, and enhancement in disease and insect resistance of plants (Garmendia et al, 2004(Garmendia et al, , 2005Garmendia and Mangas, 2012;Zhang et al, 2015;Liu et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Arbuscular Mycorrhizal Fungi Regulate Flowering of Hyacinths orientalis L. Anna Marie

Xie

2018

Emir J Food Agric

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Arbuscular mycorrhizal fungi (AMF) represent positive effects on growth performance, nutrient absorption and stressed tolerance of host plants, whereas it is not clear whether AMF can affect flowering traits of ornamental plants. In this work, Diversispora spurca, D. versiformis, and Funneliformis mosseae were applied to rhizosphere of potted hyacinth (Hyacinths orientalis L. Anna Marie) plants. After four months of mycorrhizal inoculation, root could be colonized by exogenous AMF species, varied from 38% to 49%, whilst F. mosseae had the best mycorrhizal status. Out of these AMF species used, only F. mosseae-inoculated plants recorded greater raceme length and biomass production of single flowerlet, raceme, and flower stem. F. mosseae also induced the flowering earlier in 2 days and prolonged flowering time for 3 days. D. versiformis postponed 2 days for flowering. Mycorrhizal plants recorded considerably higher acetic acid (IAA) and zeatin riboside (ZR) levels in flowers, irrespective of AMF species. F. mosseae-inoculated plants had significantly higher methyl jasmonate (MeJA) concentrations in flowers than other AMF- or non-AMF-treated plants. These results thereby conclude that F. mosseae can be used to regulate flowering of H. orientalis L. Anna Marie, including flowering earlier and prolonging flowering time, which is closely associated with IAA, ZR and MeJA levels in flowers.

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Alleviation of Mycorrhiza to Magnesium Deficiency in Trifoliate Orange: Changes in Physiological Activity

Cited by 15 publications

References 28 publications

Functional Characterization of a Magnesium Transporter of Root Endophytic Fungus Piriformospora indica

Functional Characterization of a Magnesium Transporter of Root Endophytic Fungus Piriformospora indica

High nitrogen contribution by Gunnera magellanica and nitrogen transfer by mycorrhizas drive an extraordinarily fast primary succession in sub‐Antarctic Chile

Arbuscular Mycorrhizal Fungi Regulate Flowering of Hyacinths orientalis L. Anna Marie

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