Re-evaluation of the life-cycle of the nematode-parasitic bacterium Pasteuria penetrans in root-knot nematodes, Meloidogyne spp.

in Nematology
Restricted Access
Get Access to Full Text
Rent on DeepDyve

Have an Access Token?



Enter your access token to activate and access content online.

Please login and go to your personal user account to enter your access token.



Help

Have Institutional Access?



Access content through your institution. Any other coaching guidance?



Connect

Abstract

Comparisons of the growth of Pasteuria penetrans in adult root-knot nematode females infected with P. penetrans dissected from the roots of tomato plants were undertaken using bright-field and scanning electron microscopy. Samples of infected females were nutritionally compromised by maintaining them in sterile saline at 30°C for different periods of time following their removal from the root system. Observations of these females maintained in saline revealed a series of growth stages of Pasteuria hitherto not documented, consisting of rhizoids, rod-like bacilli and granular masses. A new life-cycle for Pasteuria is described consisting of three phases: Phase I: attachment and germination; Phase II: rhizoid production and exponential growth; and Phase III: sporogenesis. These newly observed stages of the life cycle show a high degree of similarity to the developmental stages seen in other Bacillus spp.

Nematology

International Journal of Fundamental and Applied Nematological Research

Sections

Information

Content Metrics

Content Metrics

All Time Past Year Past 30 Days
Abstract Views 5 5 1
Full Text Views 7 7 7
PDF Downloads 1 1 1
EPUB Downloads 0 0 0