β-1,3-Glucanase-Mediated Induction of Disease Resistance in Cicer arietinum (L.) Against Fusarium oxysporum

Authors

  • Aboli Kshirsagar Department of Botany, Arts & Science College, Pulgaon, Dist.- Wardha (MS), India, Affiliated to Rashtrasanta Tukdoji Maharaj Nagpur University, Nagpur- 442302,

Keywords:

β-1,3-glucanase, pathogenesis-related proteins, phytoalexins, plant–pathogen interaction, systemic acquired resistance, Cicer arietinum, Fusarium oxysporum

Abstract

Plant β-1,3-glucanases are pathogenesis-related (PR) enzymes that hydrolyze β-1,3-glucans in fungal cell walls, compromising their structural integrity and inhibiting pathogen growth. These enzymes, along with phytoalexins, constitute key components of plant–pathogen interactions. In this study, the role of β-1,3-glucanase in elicitor-induced defense responses was investigated in resistant (Jaki-9812, Gulak-1), moderately resistant (AKG-46), and susceptible (Chafa-1) cultivars of chickpea (Cicer arietinum L.) against Fusarium oxysporum. Enzyme activity was assayed spectrophotometrically using laminarin as substrate. Results demonstrated rapid induction of β-1,3-glucanase activity in resistant cultivars within 5 hours post-elicitation, peaking at 40–45 hours. Fusarium conidial suspension was the most effective elicitor, followed by reduced glutathione (abiotic) and fungal cell wall elicitor. Tissue-specific expression was highest in cotyledons and roots, and lowest in epicotyls. The study concludes that β-1,3-glucanase activity, along with salicylic acid accumulation, serves as a biochemical marker for disease resistance and plays a vital role in systemic acquired resistance (SAR) in chickpea.

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Published

2025-09-30

How to Cite

Aboli Kshirsagar. (2025). β-1,3-Glucanase-Mediated Induction of Disease Resistance in Cicer arietinum (L.) Against Fusarium oxysporum . International Journal of Life Sciences, 13(3), 335–339. Retrieved from https://ijlsci.in/ls/index.php/home/article/view/1541