What is it about?

The lemon peroxidase (LPRX) was activated by in-vitro refolding and purified. The LPRX exhibited pH and temperature optima of pH 7.0 and 50°C, respectively. It was found to be activated by metal ions (Na+, Ca2+, Mg2+ and Mn2+) at lower concentration.

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Why is it important?

Class III plant peroxidases play important role in a number of physiological processes in plants such as lignin biosynthesis, suberization, cell wall biosynthesis and reactive oxygen species metabolism. Peroxid enzymes are of significance in several industrial applications. In light of this, it is desirable to produce and identify novel peroxidases with resistance to temperature, pH, and salts.


Based on the biochemical characterization, lemon peroxidase was found to be resistant towards the salts and thus could be a good candidate for industrial exploitation.

Dr Anurag Yadav
Sardarkrushinagar Dantiwada Agricultural University

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This page is a summary of: Recombinant Expression and Characterization of Lemon (Citrus limon) Peroxidase, Protein and Peptide Letters, May 2021, Bentham Science Publishers,
DOI: 10.2174/0929866527666200925114054.
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