Mancha foliar (viruela o mancha ojo de rana) del tabaco por Cercospora (Cercospora nicotianae)

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Condición fitosanitaria: Presente solo en algunas áreas del país

Grupo de cultivos: Industriales

Especie hospedante: Tabaco (Nicotiana tabacum L.)

Rango de hospedantes:

Etiología: Hongo. Necrotrófico (Hemibiotrófico)

Agente causal: Cercospora nicotianae  Ellis & Everhart, 1893

Taxonomía: Fungi > Dikarya > Ascomycota > Pezizomycotina > Dothideomycetes > Mycosphaerellales > Mycosphaerellaceae > Cercospora

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Sintomatología

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Bibliografía

Cercosporiose do tabaco / Cercospora leaf spot on tobacco. Link

Amnuaykanjanasin A, Daub ME (2009) The ABC transporter ATR1 is necessary for efflux of the toxin cercosporin in the fungus Cercospora nicotianae. Fungal Genet Biol. 46(2): 146-58. doi: 10.1016/j.fgb.2008.11.007

Beseli A, Amnuaykanjanasin A, Herrero S, et al. (2015) Membrane transporters in self resistance of Cercospora nicotianae to the photoactivated toxin cercosporin. Curr Genet. 61(4): 601-20. doi: 10.1007/s00294-015-0486-x

Beseli A, Noar R, Daub ME (2015) Characterization of Cercospora nicotianae hypothetical proteins in cercosporin resistance. PLOS ONE 10(10):e0140676. doi: 10.1371/journal.pone.0140676

Chen H, Lee M-H, Daub ME, Chung K-R (2007) Molecular analysis of the cercosporin biosynthetic gene cluster in Cercospora nicotianae. Mol Microbiol. 64: 755–770. doi: 10.1111/j.1365-2958.2007.05689.x

Choquer M, Dekkers KL, Chen HQ, et al. (2005) The CTB1 gene encoding a fungal polyketide synthase is required for cercosporin biosynthesis and fungal virulence of Cercospora nicotianae. Mol Plant Microbe Interact. 18(5): 468-76. doi: 10.1094/MPMI-18-0468

Choquer M, Lee MH, Bau HJ, Chung KR (2007) Deletion of a MFS transporter-like gene in Cercospora nicotianae reduces cercosporin toxin accumulation and fungal virulence. FEBS Lett. 581(3): 489-494. doi: 10.1016/j.febslet.2007.01.011

Chung KR, Daub ME, Kuchler K, Schüller C (2003) The CRG1 gene required for resistance to the singlet oxygen-generating cercosporin toxin in Cercospora nicotianae encodes a putative fungal transcription factor. Biochem Biophys Res Commun 302(2): 302-10. doi: 10.1016/S0006-291X(03)00171-2

Ebert MK, Rangel LI, Spanner RE, et al. (2021) Identification and characterization of Cercospora beticola necrosis-inducing effector CbNip1. Mol Plant Pathol. 22: 301–316. doi: 10.1111/mpp.13026

Ehrenshaft M, Bilski P, Li MY, et al. (1999) A highly conserved sequence is a novel gene involved in de novo vitamin B6 biosynthesis. Proc Natl Acad Sci U S A. 96(16): 9374-8. doi: 10.1073/pnas.96.16.9374

Lartey RT, Weiland J, Panella L, et al. (2010) Cercospora Leaf Spot of Sugar Beet and Related Species. St. Paul, MN: APS Press.

Newman AG, Townsend CA (2016) Molecular Characterization of the Cercosporin Biosynthetic Pathway in the Fungal Plant Pathogen Cercospora nicotianae. J Am Chem Soc. 138(12): 4219-28. doi: 10.1021/jacs.6b00633

Shava JG (2022) Response of Intermediate Ripening Tobacco (Nicotiana tabacum) Cultivars to Frog Eye (Cercospora nicotianae) and Alternaria Leaf Spot (Alternaria alternata) in the Medium Growing Areas of Zimbabwe. Indian Journal of Agricultural Research (56): 220-224. doi: 10.18805/IJARe.A-529

Thomas E, Herrero S, Eng H, et al. (2020) Engineering Cercospora disease resistance via expression of Cercospora nicotianae cercosporin-resistance genes and silencing of cercosporin production in tobacco. PLoS ONE 15(3): e0230362. doi: 10.1371/journal.pone.0230362