Symbiotic Fungi Alter the Acquisition of Phosphorus in Camellia oleifera through Regulating Root Architecture, Plant Phosphate Transporter Gene Expressions and Soil Phosphatase Activities

Cao, Ming-Ao; Liu, Rui-Cheng; Xiao, Zhi-Yan; Hashem, Abeer; Abd_Allah, Elsayed Fathi; Alsayed, Mashail Fahad; Harsonowati, Wiwiek; Wu, Qiang‐Sheng

doi:10.3390/jof8080800

Cited by 19 publications

(14 citation statements)

References 39 publications

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“…Shao et al (2021) also found that Claroideoglomus etunicatum up-regulated the expression of CsPT1 but suppressed the expression of CsPT4 in leaves of tea plants under low and appropriate P conditions. Cao et al (2022) also found that PTs expressions were dependent on the AMF species and plant tissues. It concludes that AMF-up-regulated PT expressions depend on AMF species, plant tissues, substrate P levels, and PT genes.…”

Section: Discussionmentioning

confidence: 84%

Two different strategies of Diversispora spurca-inoculated walnut seedlings to improve leaf P acquisition at low and moderate P levels

Zou

Liu

et al. 2023

Front. Plant Sci.

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Walnut (Juglans regia) is an important nut tree species in the world, whereas walnut trees often face inadequate phosphorus (P) levels of soil, negatively limiting its growth and yield. Arbuscular mycorrhizal fungi (AMF) can colonize walnut roots, but whether and how AMF promotes walnut growth, physiological activities, and P acquisition is unclear. The present study aimed to evaluate the effects of Diversispora spurca on plant growth, chlorophyll component concentrations, leaf gas exchange, sugar and P concentrations, and expression of purple acid phosphatase (PAP) and phosphate transporter (PT) genes in leaves of J. regia var. Liaohe 1 seedling under moderate (100 μmol/L P) and low P (1 μmol/L P) levels conditions. Three months after inoculation, the root mycorrhizal colonization rate and soil hyphal length were 45.6−53.2% and 18.7−39.9 cm/g soil, respectively, and low P treatment significantly increased both root mycorrhizal colonization rate and soil hyphal length. Low P levels inhibited plant growth (height, stem diameter, and total biomass) and leaf gas exchange (photosynthetic rate, transpiration rate and stomatal conductance), while AMF colonization significantly increased these variables at moderate and low P levels. Low P treatment limited the level of chlorophyll a, but AMF colonization did not significantly affect the level of chlorophyll components, independent on soil P levels. AMF colonization also increased leaf glucose at appropriate P levels and leaf fructose at low P levels than non-AMF treatment. AMF colonization significantly increased leaf P concentration by 21.0−26.2% than non-AMF colonization at low and moderate P levels. Low P treatment reduced the expression of leaf JrPAP10, JrPAP12, and JrPT3;2 in the inoculated plants, whereas AMF colonization up-regulated the expression of leaf JrPAP10, JrPAP12, and JrPT3;2 at moderate P levels, although AMF did not significantly alter the expression of JrPAPs and JrPTs at low P levels. It is concluded that AMF improved plant growth, leaf gas exchange, and P acquisition of walnut seedlings at different P levels, where mycorrhizal promotion of P acquisition was dominated by direct mycorrhizal involvement in P uptake at low P levels, while up-regulation of host PAPs and PTs expressions at moderate P levels.

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Section: Discussionmentioning

confidence: 84%

Two different strategies of Diversispora spurca-inoculated walnut seedlings to improve leaf P acquisition at low and moderate P levels

Zou

Liu

et al. 2023

Front. Plant Sci.

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“…F7 (260.9 mg) was fractionated by column chromatography over Sephadex LH-20 (eluted with CH 2 Cl 2 -MeOH, 1:1) twice, followed by semi-preparative HPLC (MeOH-H 2 O, 10:90, 4 min/L) to yield Esf-36-5 compound 5 (2.7 mg, 5.495 min). CDCl 3 ): δ H 7.59 (m, 2H, H-2", 6"), 7.53 (m, 2H, H-3', 5'), 7.44 (m, 5H, H-2', 4', 6', 3", 5"), 7.36 (m, 1H, H-4"), 6.78 (s, 1H, H-6), 3.68 (s, 3H, OCH 3 -3), 3.60 (s, 3H, OCH 3 -4); 13 5). The 1 H NMR and 13 C NMR data were consistent with the literature [32].…”

Section: Isolation Of Secondary Metabolites Produced By Endophytic Fu...mentioning

confidence: 99%

“…Plant symbiotic fungi are an underexploited resource with strong scienti c novelty and potentially challenging active molecules [4]. In symbiotic fungi, endophytic fungi are organisms that reside in plant tissues without causing disease symptoms and have a signi cant impact on the host plant as they can increase plant resistance by producing a wide range of active macromolecules [5][6][7]. Symbiotic fungi such as Aspergillus fumigatus, Rhizopycnis vagum, Diaporthe maritima, and Phialophora mustea have been reported extensively to produce antimicrobial active compounds [8].…”

Section: Introductionmentioning

confidence: 99%

“…Both the up-regulated and down-regulated ora in diseased fruit had strong antibacterial activity. Two new compounds, 5, 6-Dimethoxy-[1',1:4,1''-terphenyl]-2-ol (1), 5-(methoxycarbonyl)-2-methylbenzo [d][1, 3]dioxole-2-carboxylic acid (2) and three known compounds (3, 4,5) were isolated and identi ed for the rst time from the symbiotic fungus Medicopsis romeroi.…”

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confidence: 99%

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Diversity of fungal communities and changes in antibacterial activity of artificially culturable fungal secondary metabolites from diseased and healthy fruits of Cinnamomum burmannii

Wang

Cai

Yang

et al. 2022

Preprint

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Background Studies on the function of endophytic fungal communities in healthy plant tissues are not new, while little is known about the functional changes of fungal communities in pathogenic plant tissues. Healthy fruits of Cinnamomum burmannii are an important medicinal resource, infection by phytopathogenic fungi causes changes in volatile components, with the corresponding, the functional characteristics and potential value of fungal communities in diseased fruits have not been reported. Consequently, characterization in the composition structure and antibacterial activity of fungal communities from healthy and diseased fruits of C. burmannii was investigated, the secondary metabolites in the fungus Medicopsis romeroi were reported for the first time. Results The fungal community in diseased fruits differed from that of healthy fruits at the Phylum, Class, Order or Genus levels, with important changes in the species and relative abundance of the dominant flora. Forty-one different strains (11 from healthy fruits and 30 from diseased fruits) were successfully identified by morphological and molecular biological methods which were classified into 8 groups and 23 genera using phylogenetic tree analysis, with Pleosporales, Glomerellales and Hypocreales were the dominant group at the phylum level and Colletotrichum was the dominant group at the genus level. The secondary metabolites of all strains had different degrees of antibacterial activity, while the secondary metabolites of diseased fruit symbiotic fungi were generally stronger than those of healthy fruits, with the active secondary metabolites dominated by small and medium polar compounds. Both the up-regulated and down-regulated flora in diseased fruit had strong antibacterial activity. Two new compounds, 5, 6-Dimethoxy-[1',1:4,1''-terphenyl]-2-ol (1), 5-(methoxycarbonyl)-2-methylbenzo[d][1, 3]dioxole-2-carboxylic acid (2) and three known compounds (3, 4, 5) were isolated and identified for the first time from the symbiotic fungus Medicopsis romeroi. Conclusion Although the diversity of fungal communities decreases after plant fruit disease, the antibacterial activity capacity of the fungi among them is generally enhanced, and the development of secondary metabolites of active strains from diseased fruits holds great promise. This study is significant for understanding the functional variation of bioactivity in fungal communities and developing a broader range of bioactive resources.

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“…The eluate increased the presence of Funneliformis mosseae, one of the most prevalent AM fungi able to establish a symbiotic relationship with tomato plants [45]. AMF-plant symbiosis is well-known for supporting plant growth in stress conditions [46,47] and is able to shape root architecture [48,49].…”

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confidence: 99%

LABs Fermentation Side-Product Positively Influences Rhizosphere and Plant Growth in Greenhouse Lettuce and Tomatoes

Bellotti

Taskin

Sello³

et al. 2022

Land

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New agronomical policies aim to achieve greener agricultural systems, sustainable fertilizers and fungicides, a reduction in Greenhouse gases (GHG), and an increase in circular economic models. In this context, new solutions are needed for the market, but it is necessary to carefully assess both their efficacy and their ecological impact. Previously, we reported the biostimulatory activity on soil microbiome for a side-product from Lactic Acid Bacteria (LABs) fermentation: a concentrated post-centrifugation eluate. In the present study, we investigated whether this solution could partially substitute mineral N (N70% + N30% from eluate) in a fertigation (N100% vs. N70%) regime for tomato and lettuce under greenhouse conditions. The impact of the application was investigated through plant physiological parameters (number and weight of ripened fruits, shoots, and roots biomass) and biodiversity of the rhizosphere microbial composition of bacteria and fungi (High-Throughput Sequencing—HTS). The eluate (i) enhanced the plant canopy in lettuce; (ii) increased the shoot/root biomass ratio in both tomato and lettuce; and (iii) increased the harvest and delayed fruit ripening in tomato. Moreover, we found a strong correlation between the eluate and the enrichment for OTUs of plant-growth-promoting microbes (PGPMs) such as Sphingomonas sediminicola, Knoellia subterranean, and Funneliformis mosseae. These findings suggest that integrating the eluate was beneficial for the plant growth, performance, and yield in both tomato and lettuce, and additionally, it enriched specialized functional microbial communities in the rhizosphere. Further studies will investigate the underlying mechanisms regulating the selective activity of the eluate toward PGPMs and its biostimulatory activity towards target crops.

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Symbiotic Fungi Alter the Acquisition of Phosphorus in Camellia oleifera through Regulating Root Architecture, Plant Phosphate Transporter Gene Expressions and Soil Phosphatase Activities

Cited by 19 publications

References 39 publications

Two different strategies of Diversispora spurca-inoculated walnut seedlings to improve leaf P acquisition at low and moderate P levels

Two different strategies of Diversispora spurca-inoculated walnut seedlings to improve leaf P acquisition at low and moderate P levels

Diversity of fungal communities and changes in antibacterial activity of artificially culturable fungal secondary metabolites from diseased and healthy fruits of Cinnamomum burmannii

LABs Fermentation Side-Product Positively Influences Rhizosphere and Plant Growth in Greenhouse Lettuce and Tomatoes

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