1 Department of Microbiology, Guru Nanak Dev University, Amritsar 143 005, India. Electronic address: chadhabs@yahoo.com.
2 Department of Microbiology, Guru Nanak Dev University, Amritsar 143 005, India.
3 Center for Structural and Functional Genomics, Concordia University, Sherbrooke Street West, Montreal, Quebec H4B 1R6, Canada. Electronic address: adrian.tsang@concordia.ca.
4 Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow 226 001, India. Electronic address: ashok.pandey1@iitr.res.in.

Thermostable xylanases from thermophilic fungi and bacteria: Current perspective.

Bioresour Technol. 2019 Apr;277:195-203

Authors: Chadha BS, Kaur B, Basotra N, Tsang A, Pandey A

Abstract

Thermostable xylanases from thermophilic fungi and bacteria have a wide commercial acceptability in feed, food, paper and pulp and bioconversion of lignocellulosics with an estimated annual market of USD 500 Million. The genome wide analysis of thermophilic fungi clearly shows the presence of elaborate genetic information coding for multiple xylanases primarily coding for GH10, GH11 in addition to GH7 and GH30 xylanases. The transcriptomics and proteome profiling has given insight into the differential expression of these xylanases in some of the thermophilic fungi. Bioprospecting has resulted in identification of novel thermophilic xylanases that have been endorsed by the industrial houses for heterologous over- expression and formulations. The future use of xylanases is expected to increase exponentially for their role in biorefineries. The discovery of new and improvement of existing xylanases using molecular tools such as directed evolution is expected to be the mainstay to meet increasing demand of thermostable xylanases.

PMID: 30679061 [PubMed - in process]