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<p>Sugarcane (<i>Saccharum</i> spp.) is a key bioenergy crop due to its high sugar yield and biomass. Biofuel production efficiency depends on cell wall composition, which affects biomass digestibility and fermentation. Cell walls are formed by the polymerization of biosynthetic products, such as cellulose, hemicellulose, and lignin, and modified by regulatory factors and enzymes. Proteomics has advanced our understanding of cell wall remodelling through the identification of key proteins. Comparative studies using model organisms such as Arabidopsis thaliana, <i>Populus trichocarpa</i>, and <i>Brachypodium distachyon</i> have revealed candidate genes and proteomes that can improve sugarcane’s bioenergy traits. Key discoveries include proteins involved in lignin deposition, cellulose biosynthesis, and structural components of the cell wall, alongside regulatory mechanisms at the transcriptional level. Further integration of functional genomics and proteomics can help develop sugarcane varieties with higher biomass, lower recalcitrance, and greater saccharification efficiency, facilitating sustainable lignocellulosic biofuel production. This paper reviews recent findings and discusses the potential for genetic manipulation and proteomics in enhancing sugarcane as a bioenergy crop.</p>

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Proteomics-Based Genetic Regulation of Sugarcane Cell Wall Biosynthesis for Bioenergy Applications

  • 期刊论文

  • 发表日期：

    2025年5月23日

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  • Karthikeyan Nandini,
  • P. G. Santhosh Kumar,
  • Sebastiar Sheelamary,
  • Athiappan Selvi,
  • Lissy Vargheese Rachel,
  • Sankararaj Indusha Yazhini,
  • Elumalai Karpagam,
  • Kasirajan Lakshmi

摘要

Sugarcane (Saccharum spp.) is a key bioenergy crop due to its high sugar yield and biomass. Biofuel production efficiency depends on cell wall composition, which affects biomass digestibility and fermentation. Cell walls are formed by the polymerization of biosynthetic products, such as cellulose, hemicellulose, and lignin, and modified by regulatory factors and enzymes. Proteomics has advanced our understanding of cell wall remodelling through the identification of key proteins. Comparative studies using model organisms such as Arabidopsis thaliana, Populus trichocarpa, and Brachypodium distachyon have revealed candidate genes and proteomes that can improve sugarcane’s bioenergy traits. Key discoveries include proteins involved in lignin deposition, cellulose biosynthesis, and structural components of the cell wall, alongside regulatory mechanisms at the transcriptional level. Further integration of functional genomics and proteomics can help develop sugarcane varieties with higher biomass, lower recalcitrance, and greater saccharification efficiency, facilitating sustainable lignocellulosic biofuel production. This paper reviews recent findings and discusses the potential for genetic manipulation and proteomics in enhancing sugarcane as a bioenergy crop.