Genetic structure of Mycosphaerella graminicola populations from Iran, Argentina and Australia

Tim Jürgens, Celeste C. Linde, Bruce A. McDonald*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    16 Citations (Scopus)

    Abstract

    Restriction fragment length polymorphism (RFLP) markers were used to assess the genetic structure of populations of Mycosphaerella graminicola collected from wheat fields. A total of 585 isolates representing 10 field populations were sampled from Iran, Argentina and Australia. The genetic structure of M. graminicola populations from Iran and Argentina is described for the first time. Results were compared to previously investigated populations from Israel, Uruguay and Australia. Populations from Iran exhibited high clonality and low gene diversity, suggesting an inoculation event. Populations from uninoculated fields in Argentina had gene and genotype diversities similar to previously described European and North American populations. Genotype diversity was high for populations from Australia and tests for multilocus associations were consistent with sexual recombination in these populations. Gene diversity was low and fixed alleles were found for several loci. These findings are consistent with a relatively small founding population for Australia. These 10 new populations were integrated into a genetic distance comparison with 13 global populations that were characterized earlier.

    Original languageEnglish
    Pages (from-to)223-233
    Number of pages11
    JournalEuropean Journal of Plant Pathology
    Volume115
    Issue number2
    DOIs
    Publication statusPublished - Jun 2006

    Fingerprint

    Dive into the research topics of 'Genetic structure of Mycosphaerella graminicola populations from Iran, Argentina and Australia'. Together they form a unique fingerprint.

    Cite this