Large-scale bioenergy production from soybeans and switchgrass in Argentina

Dam, J. van; Faaij, André; Hilbert, Jorge Antonio; Petruzzi, H. J.; Turkenburg, Wim

doi:10.1016/j.rser.2009.03.012

Cited by 80 publications

(5 citation statements)

References 32 publications

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“…Soybean ( Glycine max [L.] Merr. ), an agricultural product used for grain, cooking oil, fodder, and important industrial raw materials, is a continuous global staple crop [1, 2]. Soybean plants are also important for soil fertility because they can fix atmospheric nitrogen through symbiosis with microbes in the rhizosphere [3].…”

Section: Introductionmentioning

confidence: 99%

High-resolution DNA methylome reveals that demethylation enhances adaptability to continuous cropping comprehensive stress in soybean

Liang

Hou

Li³

et al. 2019

BMC Plant Biol

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Background Continuous cropping stress involves such factors as biological barriers, allelopathic autotoxicity, deterioration of soil physicochemical properties, and soil fertility imbalance and is regarded as a kind of comprehensive stress limiting soybean yield and quality. Genomic DNA methylation is an important regulatory mechanism for plants to resist various environmental stresses. Therefore, it is especially worthwhile to reveal genomic methylation characteristics under stress and clarify the relationship between DNA methylation status and continuous cropping stress adaptability in soybean. Results We generated a genome-wide map of cytosine methylation induced by this kind of comprehensive stress in a tolerant soybean variety (Kang Xian 2, KX2) and a sensitive variety (He Feng, HF55) using whole-genome bisulfite sequencing (WGBS) technology. The expression of DNA demethylase genes was detected using real-time quantitative PCR (qRT-PCR). The functions of differentially methylated genes (DMGs) involved in stress response in biochemical metabolism and genetic information transmission were further assessed based on Gene Ontology (GO) annotation and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis. The results showed that genomic DNA demethylation was closely related to continuous cropping comprehensive stress adaptability in soybean, which was further verified by the increasing expression of DNA demethylases ROS1 and DML. The demethylation of mCpG and mCpHpG (mCpApG preferred) contexts was more critical, which mainly occurred in gene-regulatory regions at the whole-chromosome scale. Moreover, this kind of stress adaptability may be related to various stress responders generated through strengthened glucose catabolism and amino acid and fatty acid anabolism, as well as fidelity transmission of genetic information. Conclusions Genomic DNA demethylation was closely associated with continuous cropping comprehensive stress adaptability, highlighting the promising potential of screening continuous cropping-tolerant cultivars by DNA methylation index and further exploring the application of DNA demethylases in soybean breeding. Electronic supplementary material The online version of this article (10.1186/s12870-019-1670-9) contains supplementary material, which is available to authorized users.

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Section: Introductionmentioning

confidence: 99%

High-resolution DNA methylome reveals that demethylation enhances adaptability to continuous cropping comprehensive stress in soybean

Liang

Hou

Li³

et al. 2019

BMC Plant Biol

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“…Switchgrass is used in a large portion of the USA, in part due to its broad adaptation to marginal, highly erodible, and droughty soils [1]. In Argentina, efforts have been made to introduce this grass to low production soils from semi-arid regions, which are 25% of the arable surface of the country [2]. One of the most persistent issues in producing switchgrass has been the difficulty to rapidly and consistently establish strong stands of plants, especially in semi-arid regions where recurrent drought occurs during implantation.…”

Section: Introductionmentioning

confidence: 99%

Drought effects on the early development stages of Panicum virgatum L.: Cultivar differences

Aimar

Calafat

Andrade

et al. 2014

Biomass and Bioenergy

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“…Previous studies in Argentina have highlighted promising energy returns on investment [ 52 ] and overall sustainability in biofuel production [ 53 ]. However, comprehensive analyses focusing on the WEF nexus were not found.…”

Section: Methodsmentioning

confidence: 99%

Assessment of the water-energy-food nexus in the life cycle of energy products

Kock,

Piastrellini,

Arena

2024

Heliyon

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Large-scale bioenergy production from soybeans and switchgrass in Argentina

Cited by 80 publications

References 32 publications

High-resolution DNA methylome reveals that demethylation enhances adaptability to continuous cropping comprehensive stress in soybean

High-resolution DNA methylome reveals that demethylation enhances adaptability to continuous cropping comprehensive stress in soybean

Drought effects on the early development stages of Panicum virgatum L.: Cultivar differences

Assessment of the water-energy-food nexus in the life cycle of energy products

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