NDLI: Mutualistic nematode-bacteria complexes associated with insects

Content Provider	Springer Nature Link
Author	Ryss, A. Yu. Kulinich, O. A. Turitsin, V. S. Mazurin, E. S.
Copyright Year	2011
Abstract	In the review, the life cycles and mutualistic relations within the nematode-bacteria associations are analyzed: nematodes Bursaphelenchus xylophilus (PWN) with bacteria Pseudomonas fluorescens, Bacillus spp., Burkholderia arboris; entomopathogenic nematodes (EPN) of the genera Steinernema and Heterorhabditis with bacteria of the genera Xenorhabdus and Photorhabdus. The life cycles of PWN and EPN show traits of the primary detrital trophism. Both cycles include invasion of the living host and are completed with death of the host, which is an obligate condition for dispersal of the nematodes and their associated bacteria. Nematodes and bacteria stimulate each other to reproduce fast; the diverse forms of their interactions are considered, including direct and indirect ones (via the plant or insect host). Bacteria of both mutualistic associations produce siderophores and antibiotics that prevent reproduction of other pathogenic and putrefactive microorganisms. Ectosymbiotic bacteria of PWN may be recruited into the association from among the inhabitants of the mucous cover of the nematode body, as well as from the pathogenic bacterial biota of local conifers; thus the PWN and bacteria are facultative synergists in the phytopathogenic process. Endosymbiotic bacteria of EPN are not capable of independent life; they have developed obligate associations with highly specific nematode hosts.
Starting Page	908
Ending Page	914
Page Count	7
File Format	PDF
ISSN	00138738
Journal	Entomological Review
Volume Number	91
Issue Number	7
e-ISSN	15556689
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2011-11-10
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Zoology
Content Type	Text
Resource Type	Article
Subject	Insect Science

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