Altered amino acid profile of arbuscular mycorrhizal maize plants under low temperature stress

Zhu, Xiancan; Song, Fuqiang; Liu, Fulai

doi:10.1002/jpln.201400165

Cited by 25 publications

(12 citation statements)

References 87 publications

(127 reference statements)

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“…All AMF and/or eCO 2 treatments did not affect the SFA/USFA ratio. Similarly, it was reported that AMF-inoculated maize plants, under low temperature, had higher amino acid concentrations than non-mycorrizal ones, especially for Thr, Lys, Gly, Ala and His contents [ 55 ]. In contrast, proline content was reduced in mycorhizal Capsicum annuum grown under saline conditions [ 56 ].…”

Section: Resultsmentioning

confidence: 99%

Interactive Impact of Arbuscular Mycorrhizal Fungi and Elevated CO2 on Growth and Functional Food Value of Thymus vulgare

Habeeb

Abdel-Mawgoud

Yehia

et al. 2020

JoF

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Arbuscular mycorrhizal fungi (AMF) and elevated CO2 (eCO2) have been effectively integrated to the agricultural procedures as an ecofriendly approach to support the production and quality of plants. However, less attention has been given to the synchronous application of AMF and eCO2 and how that could affect the global plant metabolism. This study was conducted to investigate the effects of AMF and eCO2, individually or in combination, on growth, photosynthesis, metabolism and the functional food value of Thymus vulgare. Results revealed that both AMF and eCO2 treatments improved the photosynthesis and biomass production, however much more positive impact was obtained by their synchronous application. Moreover, the levels of the majority of the detected sugars, organic acids, amino acids, unsaturated fatty acids, volatile compounds, phenolic acids and flavonoids were further improved as a result of the synergistic action of AMF and eCO2, as compared to the individual treatments. Overall, this study clearly shows that co-application of AMF and eCO2 induces a synergistic biofertilization impact and enhances the functional food value of T. vulgare by affecting its global metabolism.

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Section: Resultsmentioning

confidence: 99%

Interactive Impact of Arbuscular Mycorrhizal Fungi and Elevated CO2 on Growth and Functional Food Value of Thymus vulgare

Habeeb

Abdel-Mawgoud

Yehia

et al. 2020

JoF

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“…was also annotated as "Amino acid transport and metabolism" in COG. The abundance of amino acid transporters is correlated with multitude fundamental roles in plant growth and development, and low-temperature stress could decrease the amino acid concentrations and alter their composition [59,60]. "Circadian rhythm -plant" was the most enriched pathway in KEGG, and we found that PB110405, the gene with the most GO terms in the biological process category, was enriched in this pathway.…”

Section: Identification Of Genes Responsible For the Response To Low mentioning

confidence: 73%

Full-length transcriptome sequencing reveals a low-temperature-tolerance mechanism in Medicago falcata roots

Cui

Chai

Yin

et al. 2019

Preprint

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Background Low temperature is one of the main environmental factors that limits crop growth, development and production. Medicago falcata is an economically and ecologically important legume that is closely related to alfalfa and exhibits better tolerance to low temperature than alfalfa. Understanding the low-temperature-tolerance mechanism of M. falcata is important for the genetic improvement of alfalfa. Results In this study, we explored the transcriptomic changes in low-temperature-treated M. falcata roots by combining SMRT and NGS technologies. A total of 115,153 nonredundant sequences were obtained, and 8,849 AS events, 73,149 SSRs and 4,189 LncRNAs were predicted. A total of 111,587 genes from SMRT were annotated, and 11,369 DEGs were identified in this paper that are involved in plant hormone signal transduction, protein processing in endoplasmic reticulum, carbon metabolism, glycolysis/gluconeogenesis, starch and sucrose metabolism, and endocytosis pathways. We characterized 1,538 TF genes into 45 TF gene families, and the most abundant TF family was WRKY, followed by ERF, MYB, bHLH and NAC. A total of 134 genes were differentially coexpressed at all five temperature points, including 101 upregulated genes and 33 downregulated genes. PB40804, PB75011, PB110405 and PB108808 were found to play crucial roles in the tolerance of M. falcata to low temperature. The WGCNA results showed that the MEbrown module was significantly correlated with low-temperature stress in M. falcata. Electrolyte leakage was correlated with most genetic modules and corroborated that electrolyte leakage can be used as direct stress markers to reflect cell membrane damage from low-temperature stress in physiological assays. The consistency between the qRT-PCR results and RNA-Seq analyses confirm the validity of the RNA-Seq data and the analysis of the regulation of low-temperature stress in the transcriptome. Conclusions The full-length transcripts generated in this study provided a full characterization of the gene transcription of M. falcata and are useful for mining new low-temperature stress-related genes specific to M. falcata. These new findings facilitate the understanding of low-temperature-tolerance mechanisms in M. falcata.

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“…PB40804 was also annotated as “amino acid transport and metabolism” according to the COG analysis. The abundance of amino acid transporters is correlated with a multitude of fundamental roles in plant growth and development, and low-temperature stress could decrease the amino acid concentrations and alter their composition [50, 51]. “Circadian rhythm - plant” was the most enriched pathway according to the KEGG results, and we found that PB110405, the gene associated with the most GO terms in the biological process category, was enriched in this pathway.…”

Section: Discussionmentioning

confidence: 91%

Full-length transcriptome sequencing reveals the low-temperature-tolerance mechanism of Medicago falcata roots

et al. 2019

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BackgroundLow temperature is one of the main environmental factors that limits crop growth, development, and production. Medicago falcata is an important leguminous herb that is widely distributed worldwide. M. falcata is related to alfalfa but is more tolerant to low temperature than alfalfa. Understanding the low temperature tolerance mechanism of M. falcata is important for the genetic improvement of alfalfa.ResultsIn this study, we explored the transcriptomic changes in the roots of low-temperature-treated M. falcata plants by combining SMRT sequencing and NGS technologies. A total of 115,153 nonredundant sequences were obtained, and 8849 AS events, 73,149 SSRs, and 4189 lncRNAs were predicted. A total of 111,587 genes from SMRT sequencing were annotated, and 11,369 DEGs involved in plant hormone signal transduction, protein processing in endoplasmic reticulum, carbon metabolism, glycolysis/gluconeogenesis, starch and sucrose metabolism, and endocytosis pathways were identified. We characterized 1538 TF genes into 45 TF gene families, and the most abundant TF family was the WRKY family, followed by the ERF, MYB, bHLH and NAC families. A total of 134 genes, including 101 whose expression was upregulated and 33 whose expression was downregulated, were differentially coexpressed at all five temperature points. PB40804, PB75011, PB110405 and PB108808 were found to play crucial roles in the tolerance of M. falcata to low temperature. WGCNA revealed that the MEbrown module was significantly correlated with low-temperature stress in M. falcata. Electrolyte leakage was correlated with most genetic modules and verified that electrolyte leakage can be used as a direct stress marker in physiological assays to indicate cell membrane damage from low-temperature stress. The consistency between the qRT-PCR results and RNA-seq analyses confirmed the validity of the RNA-seq data and the analysis of the regulatory mechanism of low-temperature stress on the basis of the transcriptome.ConclusionsThe full-length transcripts generated in this study provide a full characterization of the transcriptome of M. falcata and may be useful for mining new low-temperature stress-related genes specific to M. falcata. These new findings could facilitate the understanding of the low-temperature-tolerance mechanism of M. falcata.

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Altered amino acid profile of arbuscular mycorrhizal maize plants under low temperature stress

Cited by 25 publications

References 87 publications

Interactive Impact of Arbuscular Mycorrhizal Fungi and Elevated CO2 on Growth and Functional Food Value of Thymus vulgare

Interactive Impact of Arbuscular Mycorrhizal Fungi and Elevated CO2 on Growth and Functional Food Value of Thymus vulgare

Full-length transcriptome sequencing reveals a low-temperature-tolerance mechanism in Medicago falcata roots

Full-length transcriptome sequencing reveals the low-temperature-tolerance mechanism of Medicago falcata roots

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