uncommon environments as sources of new biocontrol agents
TRANSCRIPT
![Page 1: Uncommon environments as sources of new biocontrol agents](https://reader035.vdocument.in/reader035/viewer/2022080222/62e8750ae83503645a18d92d/html5/thumbnails/1.jpg)
Uncommon environments as sources of new biocontrol agents
Dr. Stéphane Compant
Bioresources Unit, Health & Environment Department,
AIT Austrian Institute of Technology GmbH,
3430 Tulln, Austria
![Page 2: Uncommon environments as sources of new biocontrol agents](https://reader035.vdocument.in/reader035/viewer/2022080222/62e8750ae83503645a18d92d/html5/thumbnails/2.jpg)
2
Widely used environments to find BCA
Agricultural soils
Soil rhizosphere
Phytosphere of various plants, especially crops
Contain various
bacterial taxa
![Page 3: Uncommon environments as sources of new biocontrol agents](https://reader035.vdocument.in/reader035/viewer/2022080222/62e8750ae83503645a18d92d/html5/thumbnails/3.jpg)
3
Where to find other beneficial bacteria?
From uncommon plants
Other sources?
New taxa isolated from mosses but
protecting wheat against Fusarium sp.
Streptomyces tauricus 102
+ F. culmorum E13b
Control
+ F. culmorum E13b
![Page 4: Uncommon environments as sources of new biocontrol agents](https://reader035.vdocument.in/reader035/viewer/2022080222/62e8750ae83503645a18d92d/html5/thumbnails/4.jpg)
4
Inside plants: Endophytic colonizers
From various crop plants
Different tissues
Endophytes: microbes colonizing internally plant
without being harmful to their hosts
Since the 90’s
Endophytes
Talk on Wednesday!
![Page 5: Uncommon environments as sources of new biocontrol agents](https://reader035.vdocument.in/reader035/viewer/2022080222/62e8750ae83503645a18d92d/html5/thumbnails/5.jpg)
5
Where to find other beneficial bacteria?
From uncommon plants
seaplants,
rock,
harsh environments
Other sources?
New taxa. new metabolites,
New mechanisms
of BCA
![Page 6: Uncommon environments as sources of new biocontrol agents](https://reader035.vdocument.in/reader035/viewer/2022080222/62e8750ae83503645a18d92d/html5/thumbnails/6.jpg)
Biocontrol of F. culmorum in wheat with a beneficial
bacterium isolated from desert soil
Phytospheric and endophytic colonization
Collaboration with A. Zitouni IBSM
Algeria
![Page 7: Uncommon environments as sources of new biocontrol agents](https://reader035.vdocument.in/reader035/viewer/2022080222/62e8750ae83503645a18d92d/html5/thumbnails/7.jpg)
Positive effect with low infection due to B. cinerea in the field (under high temperature
conditions; 38-40°C in August 2011; Languedoc-Roussillon, France)
Efficacity of Saccharothrix algeriensis NRRL B-24137
on Botrytis cinerea on Chardonnay cultivar 2011
Biocontrol of Botrytis cinerea in vineyards using a
microbe isolated from desert soil
Control Sa Soil Sa
grape
Sa grape
+ heliosol Scala Serenade
![Page 8: Uncommon environments as sources of new biocontrol agents](https://reader035.vdocument.in/reader035/viewer/2022080222/62e8750ae83503645a18d92d/html5/thumbnails/8.jpg)
ISR/SAR mechanisms
UPS1 and RBOHD
involved in ROS signaling
+
PAD1
Plant and Soil 2014
New parts of mechanisms involved
![Page 9: Uncommon environments as sources of new biocontrol agents](https://reader035.vdocument.in/reader035/viewer/2022080222/62e8750ae83503645a18d92d/html5/thumbnails/9.jpg)
A. Sessitsch
Head; Senior scientist
G. Brader F. Trognitz B. Mitter E. Hackl S. Compant
Project leaders-Scientists working on plant-microbe interactions
Bioresources Unit, Tulln, Austria
• Deciphering the plant
microbiome
• Genetic/omic analysis of
beneficial strains
• Mechanisms of plant-
microbe interactions
• Biocontrol of plant
diseases
• Biofertilization of crops
• New sources of BCA
• Biomiming
• Bioherbicides
• Bioremediation
• formulation
![Page 10: Uncommon environments as sources of new biocontrol agents](https://reader035.vdocument.in/reader035/viewer/2022080222/62e8750ae83503645a18d92d/html5/thumbnails/10.jpg)
AIT Austrian Institute of Technology
AUSTRIA’s largest non-university
research center
Mission: applied R&D supporting
industries.
5 departments:
Health & environment,
energy,
mobility
safety & security
foresight & policy development.
10
![Page 11: Uncommon environments as sources of new biocontrol agents](https://reader035.vdocument.in/reader035/viewer/2022080222/62e8750ae83503645a18d92d/html5/thumbnails/11.jpg)
AIT Austrian Institute of Technology
Dr. Stephane Compant Project leader/Scientist
Dr. Günter Brader Project leader/Scientist
Mag. Günther Reichenberger Business Manager
11
DANKE!