Hot phenol extraction of total RNA from Thermoascus aurantiacus and the expression of a thermostable xylanase gene

Hairul Azman, Roslan and Awang Husaini, Awang Ahmad Sallehin and Ang, Chung Huap (2011) Hot phenol extraction of total RNA from Thermoascus aurantiacus and the expression of a thermostable xylanase gene. Borneo Journal of Resource Science and Technology, 1 (1). pp. 56-58. ISSN 2229-9769

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Abstract

Total RNA was successfully isolated using hot phenol extraction method. Three bands representing the 18S, 5.8S and 28S rRNA was observed. No heavy smearing was observed in the RNA band patterns, indicating low levels of polysaccharide contamination, when subjected to 1% agarose gel electrophoresis. Genomic DNA was eliminated using DNase I digestion and lithium chloride (LiCl) precipitation. Two-steps reverse transcriptase polymerase chain reaction (RT-PCR) using M-MuLV Reverse Transcriptase and sequence specific primers for xylanase gene, XynA(F) and XynA(R), successfully generated the target amplicon of 500 base pairs (bp). Sequence analysis of the PCR product indicated as partial sequence of Thermoascus aurantiacus xylanase gene (XynA) deposited in the NCBI GenBank with accession number: AF127529.1 and AJ132635.1. Hot phenol extraction is useful for extracting large quantities of total RNA sufficient for complementary DNA (cDNA) synthesis in shorter period of time.

Item Type: Article
Uncontrolled Keywords: : Hot phenol extraction, thermophilic fungus, Thermoascus aurantiacus, DNase I digestion, cDNA synthesis, thermostable xylanase, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak.
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history > QH301 Biology
Divisions: Academic Faculties, Institutes and Centres > Faculty of Resource Science and Technology
Depositing User: Roslan
Date Deposited: 11 Sep 2020 08:20
Last Modified: 11 Sep 2020 08:20
URI: http://ir.unimas.my/id/eprint/31740

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