In vitro evaluation of the effect of the nematophagous fungi Duddingtonia flagrans, Monacrosporium sinense, and Pochonia chlamydosporia on Ascaris suum eggs

Parasitology Research
J M AraujoA O Tavela

Abstract

The in vitro effect of four isolates of the nematophagous fungi Duddingtonia flagrans (AC 001), Monacrosporium sinense (SF 53), and Pochonia chlamydosporia (VC 1 and VC 4) on eggs of Ascaris suum was evaluated. One hundred thousand A. suum eggs were plated on 2% water-agar with the grown isolates and control without fungus. After 7, 14, and 21 days, 100 eggs were removed and classified according to the following parameters: type 1, lytic effect without morphological damage to eggshell; type 2, lytic effect with morphological alteration of embryo and eggshell; and type 3, lytic effect with morphological alteration of embryo and eggshell, besides hyphal penetration and internal egg colonization. P. chlamydosporia showed ovicidal activity (p < 0.01), mainly of the type 3 effect, on A. suum eggs in the studied intervals of 13.3% (isolate VC 1) and 17.3% (isolate VC 4), 13.9% (VC 1) and 17.7% (VC 4), and 19% (VC 1) and 20% (VC4), respectively, at 7, 14, and 21 days. The other fungi showed no type 3 effect. P. chlamydosporia is a potential biological control agent of A. suum eggs.

References

Feb 27, 1999·International Journal for Parasitology·M Larsen
May 29, 1999·Brazilian Journal of Medical and Biological Research = Revista Brasileira De Pesquisas Médicas E Biológicas·A P GomesR C Ribeiro

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Citations

Aug 22, 2009·Tropical Animal Health and Production·Fabio R BragaLeandro G Freitas
Mar 10, 2010·Tropical Animal Health and Production·Fabio R BragaLaércio A Benjamin
Nov 23, 2010·Tropical Animal Health and Production·Sebastião R FerreiraLeandro G Freitas
Nov 7, 2012·Parasitology·Kiran Kumar KatakamAnders Dalsgaard
Nov 23, 2013·Applied Microbiology and Biotechnology·Fabio Ribeiro Braga, Jackson Victor de Araújo
Jul 29, 2011·Veterinary Research Communications·Sebastião Rodrigo FerreiraAloízio Soares Ferreira
Dec 29, 2009·Veterinary Parasitology·Fabio Ribeiro BragaGiovanni Ribeiro Carvalho
Jan 15, 2009·Experimental Parasitology·Juliana M AraújoArtur K Campos
Mar 29, 2013·Veterinary Parasitology·Joanna BlaszkowskaKatarzyna Szwabe
Jun 21, 2011·Veterinary Parasitology·A RoepstorffS M Thamsborg
Dec 23, 2020·International Journal of Paleopathology·Alireza Sazmand
Nov 15, 2017·Experimental Parasitology·João Victor Facchini RodriguesJackson Victor de Araújo
Jun 1, 2016·International Journal of Paleopathology·Johnica J MorrowKarl J Reinhard

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