Photorhabdus spp

Stop Lawn Digging Fast with Beneficial Nematodes This Spring! /  by Ganpati Jagdale

Tired of animals tearing up your lawn? The real culprit is underground grubs. Discover how beneficial nematodes eliminate grubs naturally and stop lawn digging for good.

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A new subspecies of Photorhabdus luminescens /  by Ganpati Jagdale

Symbiotic bacteria, Photorhabdus luminescens subsp. sonorensis, Orozco, Hill & Stock, 2013

Based on phenotypic characteristics and sequences of the 16S rDNA, the symbiotic bacteria extracted from an entomopathogenic nematode, Heterorhabditis sonorensis has been identified as Photorhabdus luminescens subsp. sonorensis, Orozco, Hill & Stock, 2013 (Orozco et al., 2013).

Literature:

Orozco, R.A., Hill, T. and Stock, S.P. 2013.  Characterization and phylogenetic relationships of Photorhabdus luminescens subsp. sonorensis (gamma-Proteobacteria: Enterobacteriaceae), the bacterial symbiont of the entomopathogenic nematode Heterorhabditis sonorensis (Nematoda: Heterorhabditidae). Current Microbiology 66: 30-39.

Stock, S.P., Rivera-Orduno, B. and Flores-Lara, Y. 2009. Heterorhabditis sonorensis n. sp (Nematoda: Heterorhabditidae), a natural pathogen of the seasonal cicada Diceroprocta ornea (Walker) (Homoptera: Cicadidae) in the Sonoran desert. Journal of Invertebrate Pathology 100: 175-184.

We know now where infective juveniles store their symbiotic bacteria /  by Ganpati Jagdale

It has been always reported that the infective juveniles of Steinernema spp. carry their symbiotic bacteria, Xenorhabdus spp. in a special intestinal vesicle (Bird and Akhurst, 1983) whereas the infective juveniles of Heterorhabdits spp. carry their symbiotic bacteria, Photorhabdus spp. in the anterior part of the intestine (Boemare et al., 1996) and release them in the body cavity of their insect hosts.

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Symbiotic bacterial genus, Photorhabdus /  by Ganpati Jagdale

known species of symbiotic bacterial genus Photorhabdus associated with a nematode genus Heterorhabditis. Identification based on colony morphology and molecular techniques

  1. Photorhabdus luminescens (Thomas and Poinar 1979) Boemare et al. 1993
  2. P. temperata
  3. P. luminescens subsp. luminescens subsp. nov., Fischer-Le Saux, Viallard, Brunel, Normand & Boemare, 1999
  4. P. luminescens subsp. akhurstii subsp. nov., Fischer-Le Saux, Viallard, Brunel, Normand & Boemare, 1999
  5. P. luminescens subsp. kayaii subsp. nov., Hazir, Stackebrandt, Lang, Schumann, Ehlers & Keskin, 2004
  6. P. luminescens subsp. laumondii subsp. nov., Fischer-Le Saux, Viallard, Brunel, Normand & Boemare, 1999
  7. P.luminescens subsp. sonorensis, Orozco, Hill & Stock, 2013
  8. P. temperata sp. nov., Fischer-Le Saux, Viallard, Brunel, Normand & Boemare, 1999
  9. P. temperata subsp. temperata subsp. nov., Fischer-Le Saux, Viallard, Brunel, Normand & Boemare, 1999
  10. P. luminescens subsp. thracensis subsp. nov., Hazir, Stackebrandt, Lang, Schumann, Ehlers & Keskin, 2004

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