Ganoderma orbiforme
- 1 min read
- 4 chapters
Related on Lably
Through Fungus
Transmission
G. orbiforme is not a soil borne pathogen, meaning it does not grow in soil and does not infiltrate from soil and into the root system. It is however also not killed by soil, and will reside in dead, buried palm trunk material. This has especially been observed when Oryctes rhinoceros-infested material was buried.
Sign in to keep reading
3 more chapters are free with a Lably account.
Infection
G. orbiforme has a hemibiotrophic lifestyle in E. guineensis. During an invasion, E. guineensis roots stockpile salicylic acid, which is a signal to downregulate its own expression of ascorbate oxidase and ascorbate peroxidase. AO and AP are reactive oxygen species scavengers, and so the total effect is to increase ROS production. This entire pathway was found by Ho et al., 2016. Increased ROS is effective against hemibiotrophs but counterproductive against necrotrophs.
Genetics
Microsatellite markers have been developed to help identify the fungus and study the genetic diversity of G. orbiforme.
Research
Water agar is usable for isolation of this fungus, and is the simplest and cheapest. CABI provides research and technique information for lab work with this pathogen.