Chapter title |
Molecular Identification of Fungal Contamination in Date Palm Tissue Cultures
|
---|---|
Chapter number | 9 |
Book title |
Date Palm Biotechnology Protocols Volume II
|
Published in |
Methods in molecular biology, January 2017
|
DOI | 10.1007/978-1-4939-7159-6_9 |
Pubmed ID | |
Book ISBNs |
978-1-4939-7158-9, 978-1-4939-7159-6
|
Authors |
Mohammed H. Abass |
Abstract |
Fungal contamination of in vitro cultures of date palm (Phoenix dactylifera L.) is the major constraint to their initiation and maintenance. Different molecular approaches have been applied successfully to analyze both inter- and intraspecific variation among fungal species as well as determine their identity. This chapter describes step-by-step procedures of molecular identification of fungal contaminants by internal transcribed spacer (ITS) products of the most common fungal contaminants of date palm tissue culture. To begin with, samples of genera Alternaria, Aspergillus, Cladosporium, Epicoccum, and Penicillium were collected to isolate each fungal genus and extraction of genomic DNA. Polymerase chain reactions were accomplished by ITS primers (ITS1 and ITS4) for each fungal contaminant as well as for sequencing. Subsequently, they are analyzed by Basic Local Alignment Search Tool (BLAST) search of ITS sequence to reveal the identity of each individual fungal contaminant species. The molecular identification herein is a rapid and reliable procedure to identify date palm fungal contaminants which is very important in their control and treatment. |
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