Diversity in the Botryosphaeriales: Looking back, looking forward

Slippers, Bernard; Crous, Pedro W.; Jami, Fahimeh; Groenewald, Johannes Z.; Wingfield, Michael J.

doi:10.1016/j.funbio.2017.02.002

Cited by 89 publications

(83 citation statements)

References 99 publications

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“…The Panel considers the results of Xu et al. () study more robust compared to those of the previous phylogenetic studies as the former used more loci, including the translation elongation factor 1‐a (EF‐1‐a) and the ITS region locus, which are considered nowadays as the best regions for the characterisation of Botryosphaeriaceae species (Slippers et al., ). Xu et al.…”

Section: Pest Categorisationmentioning

confidence: 99%

“…pyricola as well as isolates originated from grapevine (Vitis vinifera) and peach (Prunus spp.). However, the characterisation of these Botryosphaeria isolates was based only on the nucleotide sequences of nuclear rDNA ITS regions, symptomatology and conidial morphology, methods which are not considered in nowadays sufficient for the identification of Botryosphaeria species (Xu et al, 2015;Slippers et al, 2017). Therefore, the Panel considers that there is uncertainty about grapevine and peach being hosts of the pathogen as the work of Ogata et al (2000) is not adequate to support the inclusion of those two plant species in the host range of B. kuwatsukai.…”

Section: Host Rangementioning

confidence: 99%

“…The Panel also notes that, as the pathogen, similar to other Botryosphaeriaceae species (Burgess et al, 2016;Slippers et al, 2017), exists as endophyte in healthy plant tissues of its hosts for extended period of time, it could potentially spread freely in healthy plant material, including fruit. oppen-Geiger climate type map of Europe, Africa, Asia and Oceania (Peel et al, 2007).…”

Section: Entrymentioning

confidence: 99%

“…Species of Botryosphaeria have been reported as important pathogens of pome fruit trees worldwide (Slippers et al, 2007(Slippers et al, , 2017. In Asia, severe damage caused by Botryosphaeria spp.…”

Section: Impactsmentioning

confidence: 99%

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Pest categorisation of Botryosphaeria kuwatsukai

Jeger¹,

Bragard²,

Caffier³

et al. 2017

EFS2

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The Panel on Plant Health performed a pest categorisation of Botryosphaeria kuwatsukai, the causal agent of fruit rot and wart bark on apple and pear, for the EU. The pathogen, which was recently characterised, is a well-defined fungal species affecting mainly Pyrus pyrifolia (Japanese pear), although Pyrus communis (European pear) and apples (Malus domestica) can also be affected. The host status of other plant species reported in the literature, i.e. Cydonia oblonga, Chaenomeles japonica, Malus micromalus, Vitis vinifera and Prunus spp., is unclear. B. kuwatsukai is currently present in Japan, China, Korea, Taiwan and the USA, and uncertainty exists about its presence in other areas, where the disease has been associated with other Botryosphaeria spp. The pathogen is not known to occur in the EU and is listed in Annex IIAI of Directive 2000/29/EC. It could potentially enter the EU on host plants for planting and fruit originated in infested countries. Climatic conditions in the EU are suitable for the establishment and spread of the pathogen, as its epidemiology is similar to that of other Botryosphaeria spp. present in the EU. Pears and apples are widely distributed in the EU. In the infested areas, B. kuwatsukai causes branch dieback and fruit rot resulting in yield/quality losses. Its introduction and spread in the EU could impact pear and apple production, although the magnitude is unknown. Cultural practices and chemical measures may reduce the inoculum sources but cannot eliminate the pathogen. Phytosanitary measures are available to mitigate the risk of introduction and spread of the pathogen in the EU. B. kuwatsukai meets all criteria assessed by EFSA for consideration as a potential Union quarantine pest. As B. kuwatsukai is not known to occur in the EU, this criterion to consider it as a Union regulated non-quarantine pest is not met.

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Section: Pest Categorisationmentioning

confidence: 99%

Section: Host Rangementioning

confidence: 99%

Section: Entrymentioning

confidence: 99%

Section: Impactsmentioning

confidence: 99%

See 2 more Smart Citations

Pest categorisation of Botryosphaeria kuwatsukai

Jeger¹,

Bragard²,

Caffier³

et al. 2017

EFS2

View full text Add to dashboard Cite

show abstract

“…The Botryosphaeriaceae includes many important plant pathogens such as well-known species in Botryosphaeria, Diplodia, Dothiorella, Lasiodiplodia, Macrophomina, and Neofusicoccum [5]. These fungi can persist endophytically within apparently asymptomatic plant material, from where they can cause disease when the host is stressed [4,6].…”

Section: Introductionmentioning

confidence: 99%

Invasive Everywhere? Phylogeographic Analysis of the Globally Distributed Tree Pathogen Lasiodiplodia theobromae

Mehl

Wingfield

Roux

et al. 2017

Forests

Self Cite

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Fungi in the Botryosphaeriaceae are important plant pathogens that persist endophytically in infected plant hosts. Lasiodiplodia theobromae is a prominent species in this family that infects numerous plants in tropical and subtropical areas. We characterized a collection of 255 isolates of L. theobromae from 52 plants and from many parts of the world to determine the global genetic structure and a possible origin of the fungus using sequence data from four nuclear loci. One to two dominant haplotypes emerged across all loci, none of which could be associated with geography or host; and no other population structure or subdivision was observed. The data also did not reveal a clear region of origin of the fungus. This global collection of L. theobromae thus appears to constitute a highly connected population. The most likely explanation for this is the human-mediated movement of plant material infected by this fungus over a long period of time. These data, together with related studies on other Botryosphaeriaceae, highlight the inability of quarantine systems to reduce the spread of pathogens with a prolonged latent phase.

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Fast and reliable molecular methods to detect fungal pathogens in woody plants

Luchi

Ioos

Santini

2020

Appl Microbiol Biotechnol

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Plant diseases caused by pathogenic microorganisms represent a serious threat to plant productivity, food security, and natural ecosystems. An effective framework for early warning and rapid response is a crucial element to mitigate or prevent the impacts of biological invasions of plant pathogens. For these reasons, detection tools play an important role in monitoring plant health, surveillance, and quantitative pathogen risk assessment, thus improving best practices to mitigate and prevent microbial threats. The need to reduce the time of diagnosis has prompted plant pathologists to move towards more sensitive and rapid methods such as molecular techniques. Considering prevention to be the best strategy to protect plants from diseases, this review focuses on fast and reliable molecular methods to detect the presence of woody plant pathogens at early stage of disease development before symptoms occur in the host. A harmonized pool of novel technical, methodological, and conceptual solutions is needed to prevent entry and establishment of new diseases in a country and mitigate the impact of both invasive and indigenous organisms to agricultural and forest ecosystem biodiversity and productivity.

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Diversity in the Botryosphaeriales: Looking back, looking forward

Cited by 89 publications

References 99 publications

Pest categorisation of Botryosphaeria kuwatsukai

Pest categorisation of Botryosphaeria kuwatsukai

Invasive Everywhere? Phylogeographic Analysis of the Globally Distributed Tree Pathogen Lasiodiplodia theobromae

Fast and reliable molecular methods to detect fungal pathogens in woody plants

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