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Title: NLR surveillance of essential SEC-9 SNARE proteins induces programmed cell death upon allorecognition in filamentous fungi

Abstract

In plants and metazoans, intracellular receptors that belong to the NOD-like receptor (NLR) family are major contributors to innate immunity. Filamentous fungal genomes contain large repertoires of genes encoding for proteins with similar architecture to plant and animal NLRs with mostly unknown function. We identify and molecularly characterize patatin-like phospholipase-1 (PLP-1), an NLR-like protein containing an N-terminal patatin-like phospholipase domain, a nucleotide-binding domain (NBD), and a C-terminal tetratricopeptide repeat (TPR) domain. PLP-1 guards the essential SNARE protein SEC-9; genetic differences at plp-1 and sec-9 function to trigger allorecognition and cell death in two distantly related fungal species, Neurospora crassa and Podospora anserina. Analyses of Neurospora population samples revealed that plp-1 and sec-9 alleles are highly polymorphic, segregate into discrete haplotypes, and show transspecies polymorphism. Upon fusion between cells bearing incompatible sec-9 and plp-1 alleles, allorecognition and cell death are induced, which are dependent upon physical interaction between SEC-9 and PLP-1. The central NBD and patatin-like phospholipase activity of PLP-1 are essential for allorecognition and cell death, while the TPR domain and the polymorphic SNARE domain of SEC-9 function in conferring allelic specificity. Our data indicate that fungal NLR-like proteins function similar to NLR immune receptors in plants and animals, showingmore » that NLRs are major contributors to innate immunity in plants and animals and for allorecognition in fungi.« less

Authors:
 [1];  [2];  [3];  [2]; ORCiD logo [1]
  1. The Plant and Microbial Biology Department, University of California, Berkeley, CA 94720-3102,, Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720,
  2. Institut de Biochimie et de Génétique Cellulaire, CNRS, Université de Bordeaux, 33077 Bordeaux, France,
  3. Biologie et Génétique des Interactions Plante-Parasite, University of Montpellier, Institut National de la Recherche Agronomique, Centre de Coopération Internationale en Recherche Agronomique pour le Dévelopement, Montpellier SupAgro, F-34398 Montpellier, France
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE; LBNL Laboratory Directed Research and Development (LDRD) Program; National Inst. of Health (NIH) (United States); German Research Foundation (DFG)
OSTI Identifier:
1421894
Alternate Identifier(s):
OSTI ID: 1506298
Grant/Contract Number:  
AC02-05CH11231; P01 GM068087; R01 GM060468; S10RR029668; S10RR027303; HE 7254/1-1
Resource Type:
Published Article
Journal Name:
Proceedings of the National Academy of Sciences of the United States of America
Additional Journal Information:
Journal Name: Proceedings of the National Academy of Sciences of the United States of America Journal Volume: 115 Journal Issue: 10; Journal ID: ISSN 0027-8424
Publisher:
Proceedings of the National Academy of Sciences
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES; 54 ENVIRONMENTAL SCIENCES; allorecognition; NOD-like receptors; SEC-9 SNARE; Neurospora; Podospora

Citation Formats

Heller, Jens, Clavé, Corinne, Gladieux, Pierre, Saupe, Sven J., and Glass, N. Louise. NLR surveillance of essential SEC-9 SNARE proteins induces programmed cell death upon allorecognition in filamentous fungi. United States: N. p., 2018. Web. doi:10.1073/pnas.1719705115.
Heller, Jens, Clavé, Corinne, Gladieux, Pierre, Saupe, Sven J., & Glass, N. Louise. NLR surveillance of essential SEC-9 SNARE proteins induces programmed cell death upon allorecognition in filamentous fungi. United States. https://doi.org/10.1073/pnas.1719705115
Heller, Jens, Clavé, Corinne, Gladieux, Pierre, Saupe, Sven J., and Glass, N. Louise. Tue . "NLR surveillance of essential SEC-9 SNARE proteins induces programmed cell death upon allorecognition in filamentous fungi". United States. https://doi.org/10.1073/pnas.1719705115.
@article{osti_1421894,
title = {NLR surveillance of essential SEC-9 SNARE proteins induces programmed cell death upon allorecognition in filamentous fungi},
author = {Heller, Jens and Clavé, Corinne and Gladieux, Pierre and Saupe, Sven J. and Glass, N. Louise},
abstractNote = {In plants and metazoans, intracellular receptors that belong to the NOD-like receptor (NLR) family are major contributors to innate immunity. Filamentous fungal genomes contain large repertoires of genes encoding for proteins with similar architecture to plant and animal NLRs with mostly unknown function. We identify and molecularly characterize patatin-like phospholipase-1 (PLP-1), an NLR-like protein containing an N-terminal patatin-like phospholipase domain, a nucleotide-binding domain (NBD), and a C-terminal tetratricopeptide repeat (TPR) domain. PLP-1 guards the essential SNARE protein SEC-9; genetic differences at plp-1 and sec-9 function to trigger allorecognition and cell death in two distantly related fungal species, Neurospora crassa and Podospora anserina. Analyses of Neurospora population samples revealed that plp-1 and sec-9 alleles are highly polymorphic, segregate into discrete haplotypes, and show transspecies polymorphism. Upon fusion between cells bearing incompatible sec-9 and plp-1 alleles, allorecognition and cell death are induced, which are dependent upon physical interaction between SEC-9 and PLP-1. The central NBD and patatin-like phospholipase activity of PLP-1 are essential for allorecognition and cell death, while the TPR domain and the polymorphic SNARE domain of SEC-9 function in conferring allelic specificity. Our data indicate that fungal NLR-like proteins function similar to NLR immune receptors in plants and animals, showing that NLRs are major contributors to innate immunity in plants and animals and for allorecognition in fungi.},
doi = {10.1073/pnas.1719705115},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
number = 10,
volume = 115,
place = {United States},
year = {Tue Feb 20 00:00:00 EST 2018},
month = {Tue Feb 20 00:00:00 EST 2018}
}

Journal Article:
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https://doi.org/10.1073/pnas.1719705115

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