Sugarcane

Singels, A.; Jackson, Phillip; Inman-Bamber, N. G.

doi:10.1016/b978-0-12-819194-1.00021-9

Cited by 11 publications

(2 citation statements)

References 143 publications

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“…The exogenous application of proline in maize has been reported to increase sugar, oil, moisture, and protein levels in seeds under drought conditions (Ali et al, 2013; Gosh et al, 2021). In sugarcane, the efficiency of photosynthesis and stomatal conductance is especially related to sucrose accumulation in stalks (Singels et al, 2021). In mature plants, the relationship between leaves as a sugar source and other organs, including internodes, is critical for the regulation of photosynthesis rates and sucrose accumulation in stalks (Souza et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

Identifying Candidate Genes for Sugar Accumulation in Sugarcane Cultivars: From a Syntenic Genomic Region to a Gene Coexpression Network

Martins,

Sforça,

dos Santos

et al. 2024

Preprint

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Elucidating the intricacies of the sugarcane genome is essential for breeding superior cultivars. This economically important crop originates from hybridizations of highly polyploidSaccharumspecies. However, the large size (10 Gb), high polyploidy, and aneuploidy of the sugarcane genome pose significant challenges to complete genome sequencing, assembly, and annotation. One successful strategy for identifying candidate genes linked to agronomic traits, particularly those associated with sugar accumulation, leverages synteny and potential collinearity with related species. In this study, we explored synteny between sorghum and sugarcane. Genes from a sorghum Brix QTL were used to screen bacterial artificial chromosome (BAC) libraries from two Brazilian sugarcane varieties (IACSP93-3046 and SP80-3280). The entire region was successfully recovered, confirming synteny and collinearity between the species. Manual annotation identified 51 genes in the hybrid varieties that were subsequently confirmed to be present inSaccharum spontaneum. To identify candidate genes for sugar accumulation, this study employed a multifaceted approach, including retrieving the genomic region of interest, performing gene-by-gene analysis, analyzing RNA-seq data of internodes fromSaccharum officinarumandS. spontaneumaccessions, constructing a coexpression network to examine the expression patterns of genes within the studied region and their neighbors, and finally identifying differentially expressed genes (DEGs). This comprehensive approach led to the discovery of three candidate genes potentially involved in sugar accumulation: an ethylene-responsive transcription factor (ERF), an ABA 8'-hydroxylase, and a prolyl oligopeptidase (POP). These findings could be valuable for identifying additional candidate genes for other important agricultural traits and directly targeting candidate genes for further work in molecular breeding.

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Section: Discussionmentioning

confidence: 99%

Identifying Candidate Genes for Sugar Accumulation in Sugarcane Cultivars: From a Syntenic Genomic Region to a Gene Coexpression Network

Martins,

Sforça,

dos Santos

et al. 2024

Preprint

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“…Sugarcane (Saccharum spp.) is a cash crop grown mainly in subtropical and tropical regions and plays an important role in the agricultural economy of China (Singels et al, 2021). Like other crops, biotic and abiotic stresses, such as drought, low temperature and pathogenic fungi, are the main factors restricting sugarcane production (Rajput et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Transcription factor ScWRKY4 in sugarcane negatively regulates the resistance to pathogen infection through the JA signaling pathway

Wang

Qin

et al. 2023

Preprint

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WRKY transcription factor, the transcriptional regulators unique to plants, plays an important role in plant defense response to pathogen infection. However, the disease resistance mechanism of WRKY gene in sugarcane remains unclear. Previously, we identified a ScWRKY4 gene, a member of class IIc of the WRKY gene family, from the sugarcane cultivar ROC22. This gene could be induced by the stresses of salicylic acid (SA) and methyl jasmonate (MeJA). Interestingly, the expression of the ScWRKY4 gene was down-regulated in smut-resistant sugarcane cultivars but up-regulated in smut-susceptible sugarcane cultivars under Sporisorium scitamineum stress. Besides, stable overexpression of the ScWRKY4 gene in Nicotiana benthamiana enhanced susceptibility to Fusarium solani var. coeruleum and caused the down-regulated expression of immune marker-related genes. Furthermore, transcriptome analysis indicated that, the expression of most JAZ genes was suppressed in plant signal transduction pathway. In addition, ScWRKY4 could interact with ScJAZ13 and repress the expression of ScJAZ13. We thus hypothesized that the ScWRKY4 gene was involved in the regulatory network of plant disease resistance, most probably through the JA signaling pathway. The present study depicted the molecular mechanism of the ScWRKY4 gene involved in sugarcane disease resistance and laid the foundation for the subsequent investigation.

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Strategies for the Sustainability of Cane Agroindustry and Development of Green Agribusiness for Well-Being

Aguilar-Rivera

2024

World Sustainability Series

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Sugarcane

Cited by 11 publications

References 143 publications

Identifying Candidate Genes for Sugar Accumulation in Sugarcane Cultivars: From a Syntenic Genomic Region to a Gene Coexpression Network

Identifying Candidate Genes for Sugar Accumulation in Sugarcane Cultivars: From a Syntenic Genomic Region to a Gene Coexpression Network

Transcription factor ScWRKY4 in sugarcane negatively regulates the resistance to pathogen infection through the JA signaling pathway

Strategies for the Sustainability of Cane Agroindustry and Development of Green Agribusiness for Well-Being

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