Legume Research - An International Journal
Web of Science
  • Year: 2023
  • Volume: 46
  • Issue: 2

A new method for genomic DNA extraction from sclerotia of Sclerotium rolfsii inciting collar rot of lentil for genomic investigations

  • Author:
  • Purnima Singh1, Sushma Tiwari2, Prerana Parihar1, Reeti Singh1, Niraj Tripathi3, R.K. Pandya1, M.K. Tripathi2,*
  • Total Page Count: 5
  • Page Number: 257 to 261

1Department of Plant Pathology, College of Agriculture, RVS Agricultural University, Gwalior-474 002, Madhya Pradesh, India

2Department of Plant Molecular Biology and Biotechnology, College of Agriculture, RVS Agricultural University, Gwalior-474 002, Madhya Pradesh, India

3Directorate of Research Services, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur-482 004, Madhya Pradesh, India

*Corresponding Author: M.K. Tripathi, Department of Plant Molecular Biology and Biotechnology, College of Agriculture, RVS Agricultural University, Gwalior-474 002, Madhya Pradesh, India, Email: drmanojtripathi64@gmail.com

Online Published on 21 March, 2023.

Abstract

The prevailing methods for the genomic DNA extraction of Sclerotium rolfsii from its mycelium mat is often time consuming and yields poor quality and quantity of genomic DNA owing to presence of the outrageous magnitude of mucilage and polysaccharides.

A new fast track method for DNA isolation from the resting structure (sclerotia) of S. rolfsii by modifying CTAB method deprived of supplementation of proteinase K has been standardized.

The protocol produced 500ng DNA from sclerotia with purity vacillating from 1.7 to 1.9 as confirmed by A260/A280 and A260/A230 spectrophotometric documentation. The DNA extracted from sclerotia commissioning protocol was efficaciously used for the further downstream reactions/process like PCR-RAPD, PCR-ISSR and ITS amplification of rDNA-ITS region.

Keywords

DNA extraction, ISSRITS, PCR, RAPD, Sclerotia, Sclerotium rolfsii