Energy Cane

Jackson, Phillip

doi:10.1002/9781118609477.ch7

Cited by 3 publications

(2 citation statements)

References 94 publications

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“…Due to the considerable metabolic resources devoted to fibre production, sugarcane has also attracted attention as an excellent feed stock for biomass processes including electricity generation, paper production, use as a dietary fibre and bioconversion for value-added products (Pandey et al 2000;Sangnark and Noomhorm 2004). In recent years, the potential for use of sugarcane fibre (bagasse) or new 'energycane' varieties (Jackson 2013), grown primarily as an input into the production of lignocellulosic ethanol (Botha 2009), has increased the impetus to understand the processes involved in the synthesis and maintenance of stalk biomass and sucrose.…”

Section: Introductionmentioning

confidence: 99%

Tissue-specific transcriptome analysis within the maturing sugarcane stalk reveals spatial regulation in the expression of cellulose synthase and sucrose transporter gene families

et al. 2015

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Sugarcane (Saccharum spp. hybrids) accumulates high concentrations of sucrose in its mature stalk and a considerable portion of carbohydrate metabolism is also devoted to cell wall synthesis and fibre production. We examined tissue-specific expression patterns to explore the spatial deployment of pathways responsible for sucrose accumulation and fibre synthesis within the stalk. We performed expression profiling of storage parenchyma, vascular bundles and rind dissected from a maturing stalk internode of sugarcane, identifying ten cellulose synthase subunit genes and examining significant differences in the expression of their corresponding transcripts and those of several sugar transporters. These were correlated with differential expression patterns for transcripts of genes encoding COBRA-like proteins and other cell wall metabolism-related proteins. The sugar transporters genes ShPST2a, ShPST2b and ShSUT4 were significantly up-regulated in storage parenchyma while ShSUT1 was up-regulated in vascular bundles. Two co-ordinately expressed groups of cell wall related transcripts were also identified. One group, associated with primary cell wall synthesis (ShCesA1, ShCesA7, ShCesA9 and Shbk2l3), was up-regulated in parenchyma. The other group, associated with secondary cell wall synthesis (ShCesA10, ShCesA11, ShCesA12 and Shbk-2), was up-regulated in rind. In transformed sugarcane plants, the ShCesA7 promoter conferred stable expression of green fluorescent protein preferentially in the storage parenchyma of the maturing stalk internode. Our results indicate that there is spatial separation for elevated expression of these important targets in both sucrose accumulation and cell wall synthesis, allowing for increased clarity in our understanding of sucrose transport and fibre synthesis in sugarcane.

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Section: Introductionmentioning

confidence: 99%

Tissue-specific transcriptome analysis within the maturing sugarcane stalk reveals spatial regulation in the expression of cellulose synthase and sucrose transporter gene families

et al. 2015

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“…Photosynthesis in sugarcane ceases between 8 and 12°C (Fageria et al, ; Nose, Uehara, Kawamitsu, Kobamoto, & Nakama, ) and severe frost (−5 to −7°C) can completely kill the aboveground plant (Sloan & Farquhar, ). S. spontaneum has been used as a source of genes for improving tolerance to low temperatures in commercial sugarcane (Fageria et al, ; Jackson, ; Khan et al, ; Moore, ), but progress has been limited because the donor species is not typically adapted to cold temperate environments (Friesen et al, ; Hale et al, ; Knoll et al, ).…”

Section: Introductionmentioning

confidence: 99%

Saccharum×Miscanthusintergeneric hybrids (miscanes) exhibit greater chilling tolerance of C₄photosynthesis and postchilling recovery than sugarcane (Saccharumspp. hybrids)

et al. 2019

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Although commercial sugarcane (Saccharum spp. hybrid) produces large biomass yields, its lack of cold tolerance limits its cultivation to the tropics and subtropics. In contrast, sugarcane's close relative, Miscanthus, tolerates low temperatures. We studied 18 miscane genotypes, derived from hybridizations between two genotypes of sugarcane and two genotypes of Miscanthus (one each of M. sinensis and M. sacchariflorus). In an initial greenhouse experiment on long‐duration chilling stress (12–13°C day/7–9°C night), photosynthetic rates of the Miscanthus parents were significantly higher than the sugarcane parents after 7 days of chilling and were more than double by 14 days. The Miscanthus also retained more of their prechilling (22–25°C day/13–15°C night) photosynthetic rates (68%–72% 7 days, 64%–66% 14 days) than the sugarcanes (27% 7 days, 19%–20% 14 days). Seven of 18 miscanes exhibited higher photosynthetic rates than their sugarcane parents after 7 days of chilling, whereas after 14 days only four miscane genotypes had significantly higher photosynthetic rates than their sugarcane parents, but notably two of these did not differ from their highly tolerant Miscanthus parents. In a subsequent growth chamber experiment to evaluate short‐duration chilling stress and postchilling recovery, three miscanes representing the range of responses observed in the greenhouse experiment were compared with their parents. After 4 days of chilling (12/7°C day/night), the miscanes retained between 45% and 60% of their prechilling photosynthetic rate, with the best entry not significantly different from its Miscanthus parent (66%), and all three miscanes performed significantly better than the sugarcane parents (32%–33% for sugarcanes). After 7 days of postchilling recovery (26/18°C day/night), the Miscanthus parents and two of the miscanes fully recovered their prechilling photosynthetic rates but the sugarcane parents only recovered 69%–73% of their prechilling rates. Thus, genes from Miscanthus can be used to improve chilling tolerance of sugarcane via introgression.

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Field Performance of Saccharum × Miscanthus Intergeneric Hybrids (Miscanes) Under Cool Climatic Conditions of Northern Japan

et al. 2019

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Energy Cane

Cited by 3 publications

References 94 publications

Tissue-specific transcriptome analysis within the maturing sugarcane stalk reveals spatial regulation in the expression of cellulose synthase and sucrose transporter gene families

Tissue-specific transcriptome analysis within the maturing sugarcane stalk reveals spatial regulation in the expression of cellulose synthase and sucrose transporter gene families

Saccharum×Miscanthusintergeneric hybrids (miscanes) exhibit greater chilling tolerance of C₄photosynthesis and postchilling recovery than sugarcane (Saccharumspp. hybrids)

Field Performance of Saccharum × Miscanthus Intergeneric Hybrids (Miscanes) Under Cool Climatic Conditions of Northern Japan

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Energy Cane

Cited by 3 publications

References 94 publications

Tissue-specific transcriptome analysis within the maturing sugarcane stalk reveals spatial regulation in the expression of cellulose synthase and sucrose transporter gene families

Tissue-specific transcriptome analysis within the maturing sugarcane stalk reveals spatial regulation in the expression of cellulose synthase and sucrose transporter gene families

Saccharum×Miscanthusintergeneric hybrids (miscanes) exhibit greater chilling tolerance of C4photosynthesis and postchilling recovery than sugarcane (Saccharumspp. hybrids)

Field Performance of Saccharum × Miscanthus Intergeneric Hybrids (Miscanes) Under Cool Climatic Conditions of Northern Japan

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Saccharum×Miscanthusintergeneric hybrids (miscanes) exhibit greater chilling tolerance of C₄photosynthesis and postchilling recovery than sugarcane (Saccharumspp. hybrids)