Zuccaro, A.* ; Lahrmann, U.* ; Güldener, U. ; Langen, G.* ; Pfiffi, S.* ; Biedenkopf, D.* ; Wong, P. ; Samans, B.* ; Grimm, C.* ; Basiewicz, M.* ; Murat, C.* ; Martin, F.* ; Kogel, K.H.*
     
    
        
Endophytic life strategies decoded by genome and transcriptome analyses of the mutualistic root symbiont Piriformospora indica.
    
    
        
    
    
        
        PLoS Pathog. 7:e1002290 (2011)
    
    
    
      
      
	
	    Recent sequencing projects have provided deep insight into fungal lifestyle-associated genomic adaptations. Here we report on the 25 Mb genome of the mutualistic root symbiont Piriformospora indica (Sebacinales, Basidiomycota) and provide a global characterization of fungal transcriptional responses associated with the colonization of living and dead barley roots. Extensive comparative analysis of the P. indica genome with other Basidiomycota and Ascomycota fungi that have diverse lifestyle strategies identified features typically associated with both, biotrophism and saprotrophism. The tightly controlled expression of the lifestyle-associated gene sets during the onset of the symbiosis, revealed by microarray analysis, argues for a biphasic root colonization strategy of P. indica. This is supported by a cytological study that shows an early biotrophic growth followed by a cell death-associated phase. About 10% of the fungal genes induced during the biotrophic colonization encoded putative small secreted proteins (SSP), including several lectin-like proteins and members of a P. indica-specific gene family (DELD) with a conserved novel seven-amino acids motif at the C-terminus. Similar to effectors found in other filamentous organisms, the occurrence of the DELDs correlated with the presence of transposable elements in gene-poor repeat-rich regions of the genome. This is the first in depth genomic study describing a mutualistic symbiont with a biphasic lifestyle. Our findings provide a significant advance in understanding development of biotrophic plant symbionts and suggest a series of incremental shifts along the continuum from saprotrophy towards biotrophy in the evolution of mycorrhizal association from decomposer fungi.
	
	
	    
	
       
      
	
	    
		Impact Factor
		Scopus SNIP
		Web of Science
Times Cited
		Scopus
Cited By
		Altmetric
		
	     
	    
	 
       
      
     
    
        Publication type
        Article: Journal article
    
 
    
        Document type
        Scientific Article
    
 
    
        Thesis type
        
    
 
    
        Editors
        
    
    
        Keywords
        transfer-rna genes; rich protein-ii; cell-death; phytophthora-infestans; arabidopsis-thaliana; coprinopsis-cinerea; laccaria-bicolor; fungal effector; ustilago-maydis; innate immunity
    
 
    
        Keywords plus
        
    
 
    
    
        Language
        english
    
 
    
        Publication Year
        2011
    
 
    
        Prepublished in Year
        
    
 
    
        HGF-reported in Year
        2011
    
 
    
    
        ISSN (print) / ISBN
        1553-7366
    
 
    
        e-ISSN
        1553-7374
    
 
    
        ISBN
        
    
    
        Book Volume Title
        
    
 
    
        Conference Title
        
    
 
	
        Conference Date
        
    
     
	
        Conference Location
        
    
 
	
        Proceedings Title
        
    
 
     
	
    
        Quellenangaben
        
	    Volume: 7,  
	    Issue: 10,  
	    Pages: ,  
	    Article Number: e1002290 
	    Supplement: ,  
	
    
 
    
        
            Series
            
        
 
        
            Publisher
            Public Library of Science (PLoS)
        
 
        
            Publishing Place
            
        
 
	
        
            Day of Oral Examination
            0000-00-00
        
 
        
            Advisor
            
        
 
        
            Referee
            
        
 
        
            Examiner
            
        
 
        
            Topic
            
        
 
	
        
            University
            
        
 
        
            University place
            
        
 
        
            Faculty
            
        
 
    
        
            Publication date
            0000-00-00
        
 
         
        
            Application date
            0000-00-00
        
 
        
            Patent owner
            
        
 
        
            Further owners
            
        
 
        
            Application country
            
        
 
        
            Patent priority
            
        
 
    
        Reviewing status
        Peer reviewed
    
 
     
    
        POF-Topic(s)
        30505 - New Technologies for Biomedical Discoveries
    
 
    
        Research field(s)
        Enabling and Novel Technologies
    
 
    
        PSP Element(s)
        G-503700-001
    
 
    
        Grants
        
    
 
    
        Copyright
        
    
 	
    
    
    
    
        Erfassungsdatum
        2011-12-31