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Automating Citrus Budwood Processing for Downstream Pathogen Detection Through Instrument Engineering

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Viruses of botrytis.

Michael N Pearson¹, Andrew M Bailey

¹School of Biological Sciences, The University of Auckland, Auckland, New Zealand. m.pearson@auckland.ac.nz

Advances in Virus Research

|March 19, 2013

Summary

Botrytis cinerea, a destructive gray mold, harbors several viruses, some with potential for biological control. However, limited knowledge of virus spread and transmission hinders their application against fungicide resistance.

Area of Science:

Plant Pathology
Mycology
Virology

Background:

Botrytis cinerea (gray mold) is a major horticultural pathogen.
Virus infections (DsRNAs) are common in B. cinerea, but only four viruses are sequenced.
Botrytis viruses exhibit diverse effects, including hypovirulence caused by Botrytis cinerea mitovirus 1.

Purpose of the Study:

Investigate host-pathogen interactions at the molecular level using the sequenced B. cinerea genome.
Explore the potential of mycoviruses as biological control agents against fungicide-resistant Botrytis.
Address the lack of epidemiological data and understanding of virus spread mechanisms.

Main Methods:

Genomic analysis of Botrytis cinerea.
Review of existing literature on Botrytis viruses and their effects.

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Analysis of potential virus transmission mechanisms.

Main Results:

Four viruses (BVF, BVX, BcMV1, Botrytis porri RNA virus) have been sequenced from B. cinerea.
Botrytis cinerea mitovirus 1 induces hypovirulence.
Hyphal anastomosis is the primary known horizontal transmission route, limited by vegetative incompatibility.

Conclusions:

The sequenced B. cinerea genome enables molecular investigation of virus-host interactions.
Mycoviruses show promise for biological control of fungicide-resistant gray mold.
Limited understanding of virus epidemiology and transmission constrains their practical application.