Sugarcane: A Major Source of Sweetness, Alcohol, and Bio-energy

D’Hont, Angélique; Souza, Gláucia Mendes; Menossi, Marcelo; Vincentz, Michel; Sluys, Marie‐Anne Van; Glaszmann, Jean Christophe; Ulian, E. C.

doi:10.1007/978-0-387-71219-2_21

Cited by 51 publications

(35 citation statements)

References 145 publications

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“…Output traits determine the quality and composition of the end product such as enhanced sucrose content and production of other alternative and high-value products. Both input and output traits engineered into sugarcane are presented in Tables 11.1 and 11.2 and have been reviewed in detail elsewhere (Altpeter and Oraby 2010 ;Brumbley et al 2008 ;D'Hont et al 2008 ;Lakshmanan et al 2005 ;Ming et al 2006 ) .…”

Section: Traits Engineered Into Sugarcanementioning

confidence: 99%

Genetic Engineering of Saccharum

Beyene

Curtis

Damaj

et al. 2012

Genomics of the Saccharinae

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Over the last two decades, substantial progress has been made in the genetic engineering of sugarcane ( Saccharum spp.) through improvements in tissue culture procedures, allowing a higher ef fi ciency of generating transgenic plants using Agrobacterium -mediated and biolistic gene transfers. Elucidation of gene function and development of varieties with improved yield, sugar level, fi ber content, and other desirable traits and products for superior performance have been possible through transgenic technologies. Researchers are now focusing on optimizing existing methodologies and developing new technologies for the production of elite varieties, enhancement of transgene expression, and manipulation of metabolic pathways for improved molecular breeding and commercial exploitation. At present, no transgenic sugarcane has been released to the commercial market, but with the aid of large investments from the private sector, the commercialization of this major sugar-and biomass-producing crop should be accelerated.

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Section: Traits Engineered Into Sugarcanementioning

confidence: 99%

Genetic Engineering of Saccharum

Beyene

Curtis

Damaj

et al. 2012

Genomics of the Saccharinae

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“…These hybrids share basically the genes from the species of S. officinarum and S. spontaneum and are complex aneuploidies with conformation of 2n + n, i.e., with total fixation of the chromosomes of S. officinarum and half of those of S. spontaneum, besides having combined chromosomes [61,62]. Therefore, in the usual population of breeding, it would be possible to select plants of the first stage of energy cane, i.e., plants with higher biomass productivity [63].…”

Section: Breeding Energy Cane: the Most Competitive Biomassmentioning

confidence: 99%

The potential of the energy cane as the main biomass crop for the cellulosic industry

Carvalho-Netto¹,

Bressiani²,

Soriano³

et al. 2014

Chem. Biol. Technol. Agric.

100

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The last century was the scene of an extraordinary social and economic development of mankind. This development had the fossil energy as one of its pillars. The discovery of petrol led the society to shape a development model highly dependent on this source of energy, which has finite resources and also promotes a big increase on the greenhouse gases, with unforeseeable consequences for the human beings as well as the entire life. It is imperative that we change the pillars of energy from fossil to renewables that will be more sustainable and less aggressive to the environment. One of the sources of this new energy platform, probably the best, is biomass. Fibrous plants bring several advantages and fit well within the requirements deemed important to be elected as producers of biomass. Among these characteristics we have the high processing capacity of solar energy into biomass, fast growth, long-term canopy, possibility of large-scale production. Despite of that this plants are adapted to suboptimal environments that allows its production not compete with food production because it requires less energy input, bringing marginal lands into production with its all social-benefit consequences. Among the fibrous plants, SUGAR CANE or, better, ENERGY CANE has one of the biggest potential for biomass productions. Results from several breeding programs has showing the high biomass potential of energy cane over other biomass crops like sorghum, elephant grass and eucalyptus.

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“…The large sugarcane genome size is due to a very high degree of polyploidy (12x). The size of its monoploid genome (basic set of chromosome, Figure 1) is~900 Mb D'Hont et al 2008), which is similar to that of sorghum (760 Mb) and only twofold that of the rice genome (390 Mb). As compared to bread wheat, the sugarcane genome is around threefold smaller, but its redundancy level is much higher, with 12 hom(oe)ologous highly heterozygous haplotypes on average at each locus as compared to three sets of highly homozygous pairs of haplotypes in bread wheat (2n ¼ 6x ¼ 42, AABBDD).…”

mentioning

confidence: 95%

“…However, sugarcane probably has the most complex of all crop genomes studied to date, mainly due to its very high degree of polyploidy (12x) and interspecific origin (D'Hont 2005). It thus represents a major challenge for genetic studies (Grivet and Arruda 2002;D'Hont et al 2008).…”

mentioning

confidence: 99%

Diploid/Polyploid Syntenic Shuttle Mapping and Haplotype-Specific Chromosome Walking Toward a Rust Resistance Gene (Bru1) in Highly Polyploid Sugarcane (2n ∼ 12x ∼ 115)

et al. 2008

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The genome of modern sugarcane cultivars is highly polyploid (12x), aneuploid, of interspecific origin, and contains 10 Gb of DNA. Its size and complexity represent a major challenge for the isolation of agronomically important genes. Here we report on the first attempt to isolate a gene from sugarcane by map-based cloning, targeting a durable major rust resistance gene (Bru1). We describe the genomic strategies that we have developed to overcome constraints associated with high polyploidy in the successive steps of map-based cloning approaches, including diploid/polyploid syntenic shuttle mapping with two model diploid species (sorghum and rice) and haplotype-specific chromosome walking. Their applications allowed us (i) to develop a high-resolution map including markers at 0.28 and 0.14 cM on both sides and 13 markers cosegregating with Bru1 and (ii) to develop a physical map of the target haplotype that still includes two gaps at this stage due to the discovery of an insertion specific to this haplotype. These approaches will pave the way for the development of future map-based cloning approaches for sugarcane and other complex polyploid species.

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Sugarcane: A Major Source of Sweetness, Alcohol, and Bio-energy

Cited by 51 publications

References 145 publications

Genetic Engineering of Saccharum

Genetic Engineering of Saccharum

The potential of the energy cane as the main biomass crop for the cellulosic industry

Diploid/Polyploid Syntenic Shuttle Mapping and Haplotype-Specific Chromosome Walking Toward a Rust Resistance Gene (Bru1) in Highly Polyploid Sugarcane (2n ∼ 12x ∼ 115)

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