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Fungal effectors, the double edge sword of phytopathogens

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Title Fungal effectors, the double edge sword of phytopathogens
 
Creator Pradhan, Amrita
Ghosh, Srayan
Sahoo, Debashis
Jha, Gopaljee
 
Subject Efectors
PAMPs
ETI
PTI
HR
Necrotrophs
Biotrophs
Hemibiotrophs
R genes
 
Description Accepted dated: 13 October 2020
Phyto-pathogenic fungi can cause huge damage to crop production. During millions of years of coexistence, fungi have
evolved diverse life-style to obtain nutrients from the host and to colonize upon them. They deploy various proteinaceous as
well as non-proteinaceous secreted molecules commonly referred as efectors to sabotage host machinery during the infection process. The efectors are important virulence determinants of pathogenic fungi and play important role in successful
pathogenesis, predominantly by avoiding host-surveillance system. However, besides being important for pathogenesis, the
fungal efectors end-up being recognized by the resistant cultivars of the host, which mount a strong immune response to
ward-of pathogens. Various recent studies involving diferent pathosystem have revealed the virulence/avirulence functions
of fungal efectors and their involvement in governing the outcome of host–pathogen interactions. However, the efectors and
their cognate resistance gene in the host remain elusive for several economically important fungal pathogens. In this review,
using examples from some of the biotrophic, hemi-biotrophic and necrotrophic pathogens, we elaborate the double-edged
functions of fungal efectors. We emphasize that knowledge of efector functions can be helpful in efective management of
fungal diseases in crop plants.
We acknowledge the authors whose work could
not be cited due to space limitations in this review. AP acknowledges
JRF fellowship from UGC, Govt. of India. DS acknowledges JRF fellowship from CSIR, Govt. of India. GJ acknowledges the fnancial supports from DBT, Govt. of India under research projects: NIPGR fagship project, ‘Imparting sheath blight tolerance in rice’ (SAN No.102/
IFD/SAN/763/2019-20), ‘Genome Engineering to upscale the production of a broad spectrum antifungal protein Bg_9562 in E. coli’ (BT/
PR26106/GET/119/201/2017). GJ gratefully acknowledges the core
research grant from the National Institute of Plant Genome Research,
India. The funders had no role in study design, analysis, decision to
publish, or preparation of the manuscript.
 
Date 2020-11-09T09:34:13Z
2020-11-09T09:34:13Z
2021
 
Type Article
 
Identifier Current Genetics, 67(1): 27-40
0172-8083
http://223.31.159.10:8080/jspui/handle/123456789/1122
https://link.springer.com/article/10.1007/s00294-020-01118-3
https://doi.org/10.1007/s00294-020-01118-3
 
Language en_US
 
Format application/pdf
 
Publisher Springer Nature Publishing AG