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<p>Strains of <i>Penicillium</i> sp. are known to produce various enzymes with industrial relevance. The primary objective of the study is to determine the glycanolytic enzyme-producing potentialities of three <i>Penicillium</i> sp. strains, viz. PDF4, XDF1(i), and XDF7(iii), and to optimize the enzyme production and activity at different pH and temperatures. The efficacy of enzyme production and enzyme activities was tested both qualitatively and quantitatively using different glycan and lignocellulosic substrates under varying pH and temperature conditions. Among the strains, <i>Penicillium oxalicum</i> strain XDF7(iii) (ITS: OR555781; NL: OR555751) was the highest pectinase producer (0.303547 μmol mL<sup>-1</sup>min<sup>-1</sup>) at pH 3.0 in YP-pectin medium. It also exhibited the highest xylanase activity (0.768501 μmol mL<sup>-1</sup>min<sup>-1</sup>) in YP-xylan medium at pH 5.0. In contrast, all strains were poor producers of CMCase in all culture conditions. The strain XDF7(iii) also effectively utilized both Musambi peel (MP) and Sugarcane bagasse (SB) and recorded the highest xylanase activity (1.0912764 μmol mL<sup>-1</sup>min<sup>-1</sup>) and pectinase activity (0.8576 μmol mL<sup>-1</sup>min<sup>-1</sup>) on the 3<sup>rd</sup> day of incubation on MP. Thus, the study concludes that these new environmental strains of <i>Penicillium</i> sp. can produce a high amount of industrial enzymes, such as xylanase and pectinase, under standard fermentation conditions. Furthermore, the low-cost lignocellulose biomass MP could be utilized for large-scale xylanase and pectinase production.</p>

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Assessment of glycanolytic enzymes producing potentialities of three strains of Penicillium sp.

  • 期刊论文

  • 发表日期：

    2026年1月13日

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  • Nabanita Kundu,
  • Dilruba Khatun,
  • Ashutosh Kundu,
  • Vivekananda Mandal

摘要

Strains of Penicillium sp. are known to produce various enzymes with industrial relevance. The primary objective of the study is to determine the glycanolytic enzyme-producing potentialities of three Penicillium sp. strains, viz. PDF4, XDF1(i), and XDF7(iii), and to optimize the enzyme production and activity at different pH and temperatures. The efficacy of enzyme production and enzyme activities was tested both qualitatively and quantitatively using different glycan and lignocellulosic substrates under varying pH and temperature conditions. Among the strains, Penicillium oxalicum strain XDF7(iii) (ITS: OR555781; NL: OR555751) was the highest pectinase producer (0.303547 μmol mL-1min-1) at pH 3.0 in YP-pectin medium. It also exhibited the highest xylanase activity (0.768501 μmol mL-1min-1) in YP-xylan medium at pH 5.0. In contrast, all strains were poor producers of CMCase in all culture conditions. The strain XDF7(iii) also effectively utilized both Musambi peel (MP) and Sugarcane bagasse (SB) and recorded the highest xylanase activity (1.0912764 μmol mL-1min-1) and pectinase activity (0.8576 μmol mL-1min-1) on the 3rd day of incubation on MP. Thus, the study concludes that these new environmental strains of Penicillium sp. can produce a high amount of industrial enzymes, such as xylanase and pectinase, under standard fermentation conditions. Furthermore, the low-cost lignocellulose biomass MP could be utilized for large-scale xylanase and pectinase production.