Diversity and distribution of entomopathogenic nematodes (Nematoda: Steinernematidae, Heterorhabditidae) and their bacterial symbionts (γ-Proteobacteria: Enterobacteriaceae) in Jordan

S. Patricia Stock, Luma Al Banna, Rula Darwish, Ahmad Katbeh

Research output: Contribution to journalArticle

19 Scopus citations

Abstract

Until now, only a few systematic surveys of entomopathogenic nematodes (EPN) have been conducted in Middle Eastern countries. Many of the recovered EPN species in this region have shown to own distinctive qualities that enable their survival in unique environments, such as high temperatures and low moisture levels tolerance. These new species and strains, with unique environmental tolerances, are more suitable for their consideration in pest management programs in xerophytic regions. With this background in mind, we recently conducted a survey of EPN in Jordan. This study records for the first time the diversity and distribution of these nematodes and their bacterial symbionts in this country. Jordan's three geographic regions: (1) the highlands, (2) Jordan valley and (3) the desert region were sampled. Within each region, natural habitats and agricultural regions characteristic to each region were considered for sampling purposes. Four EPN species including three Steinernema and one Heterorhabditis were recovered. Nematodes were identified using a combination of molecular markers and classic morphological diagnostic tools. Bacterial symbionts were identified by analysis of 16S rRNA sequences. Abiotic characteristics such as soil type, soil pH, and elevation were also recorded. We herein report the diversity of EPN species in Jordan and discuss their potential in Biocontrol and IPM programs for this country.

Original languageEnglish (US)
Pages (from-to)228-234
Number of pages7
JournalJournal of Invertebrate Pathology
Volume98
Issue number2
DOIs
StatePublished - Jun 1 2008

Keywords

  • Desert and semidesert ecosystems
  • Diversity
  • Entomopathogens
  • Middle east

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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