2017
DOI: 10.1111/mpp.12512
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The coffee leaf rust pathogen Hemileia vastatrix: one and a half centuries around the tropics

Abstract: Although exhibiting limited genetic polymorphism, the very large genome of H. vastatrix (c. 797 Mbp) conceals great pathological diversity, with more than 50 physiological races. Gene expression studies have revealed a very precocious activation of signalling pathways and production of putative effectors, suggesting that the plant-fungus dialogue starts as early as at the germ tube stage, and have provided clues for the identification of avr genes.

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Cited by 168 publications
(190 citation statements)
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“…Even with the application of thousands of SNPs, no significant genetic structuring was found according to geographical origin or pathotype within this group, apart from the incipient separation of isolates with basal pathotypes. To explain this apparent panmixia, in addition to the previously identified factors of worldwide expansion of coffee trade and high vagility of Hv spores (McCook and Vandermeer, ; Talhinhas et al ., ), this work suggests two additional factors that may be tightly linked to the evolutionary potential of the C3 group: a recent origin and reticulate evolution, i.e. evolution shaped by hybridization/recombination between diverging lineages.…”
Section: Discussionmentioning
confidence: 83%
See 1 more Smart Citation
“…Even with the application of thousands of SNPs, no significant genetic structuring was found according to geographical origin or pathotype within this group, apart from the incipient separation of isolates with basal pathotypes. To explain this apparent panmixia, in addition to the previously identified factors of worldwide expansion of coffee trade and high vagility of Hv spores (McCook and Vandermeer, ; Talhinhas et al ., ), this work suggests two additional factors that may be tightly linked to the evolutionary potential of the C3 group: a recent origin and reticulate evolution, i.e. evolution shaped by hybridization/recombination between diverging lineages.…”
Section: Discussionmentioning
confidence: 83%
“…Coffee leaf rust (CLR), caused by the obligate biotrophic fungus Hemileia vastatrix (Hv), is currently one of the biggest challenges to global coffee production and amongst the most serious crop diseases in history (Talhinhas et al, 2017). The disease causes premature defoliation on several species of the Coffea genus found at lower altitudes (<1000 m), but only C. canephora and C. arabica are considered to be economically relevant at a global scale (McCook and Vandermeer, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…For example, myrtle rust ( Austropuccinia psidii ) is currently decimating a wide range of Myrtaceae around the world (Fernandez Winzer, Carnegie, Pegg, & Leishman, ; Glen, Alfenas, Zauza, Wingfield, & Mohammed, ), such as the endemic Eugenia koolauensis in Hawai‘i and the endemic Rhodamnia rubescens in native forests in Australia (Carnegie et al, ). Coffee leaf rust ( Hemileia vastatrix ) is substantially damaging Coffee plantations worldwide (Talhinhas et al, ). Similarly, wheat leaf rusts like Puccinia triticina , Puccinia recondite , and Puccinia striiformis are causing serious production losses for one of the world's biggest food crops (McCallum, Hiebert, Huerta‐Espino, & Cloutier, ).…”
Section: Introductionmentioning
confidence: 99%
“…Coffee leaf rust (Hemileia vastatrix) is substantially damaging Coffee plantations worldwide (Talhinhas et al, 2017). Similarly, wheat leaf rusts like Puccinia triticina, Puccinia recondite, and Puccinia striiformis are causing serious production losses for one of the world's biggest food crops (McCallum, Hiebert, Huerta-Espino, & Cloutier, 2012).…”
mentioning
confidence: 99%
“…cultivars (Silva, Várzea, Paulo, & Batista, 2018). Today, more than 50 races of H. vastatrix are known (Talhinhas et al, 2017). This is an inexplicable evolution for a pathogen that supposedly only utilizes clonal reproduction (Silva et al, 2018).…”
mentioning
confidence: 99%