A combined mitochondrial and nuclear multilocus phylogeny of the genus Phytophthora

Martin, Frank N.; Blair, Jaime E.; Coffey, Michael D.

doi:10.1016/j.fgb.2014.02.006

Cited by 168 publications

(180 citation statements)

References 54 publications

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“…Moreover, research conducted in different countries in Africa, Europe, and North America has contributed to expanding knowledge about the pathogenicity, epidemiology, biology, invasiveness, and management of some of these pathogens in different oak forests (Dreaden et al 2014a;Kostovcik et al 2015;Linaldeddu et al 2013;Lynch et al 2013;MoralesRodríguez et al 2016;Moreira and Martins 2005;Serrano et al 2015). Detailed and modern morphological descriptions coupled with DNA sequence data currently available in public databases are facilitating the identification of taxa (Martin et al 2014;Phillips et al 2013). Novel DNA-based diagnostics are contributing to a more rapid and accurate detection of pathogens from symptomatic and asymptomatic oak tissues (Moricca and Ragazzi 2000).…”

Section: Discussionmentioning

confidence: 99%

Endemic and Emerging Pathogens Threatening Cork Oak Trees: Management Options for Conserving a Unique Forest Ecosystem

et al. 2016

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Cork oak (Quercus suber) forests are economically and culturally intertwined with the inhabitants of the Mediterranean basin and characterize its rural landscape. These forests cover over two million hectares in the western Mediterranean basin and sustain a rich biodiversity of endemisms as well as representing an important source of income derived from cork production. Currently cork oak forests are threatened by several factors including human-mediated disturbances such as poor or inappropriate management practices, adverse environmental conditions (irregular water regime with prolonged drought periods), and attacks of pathogens and pests. All these adverse factors can interact, causing a complex disease commonly known as “oak decline.” Despite the numerous investigations carried out so far, decline continues to be the main pathological problem of cork oak forests because of its complex etiology and the resulting difficulties in defining suitable control strategies. An overview of the literature indicates that several pathogenic fungi and oomycota can play a primary role in the etiology of this syndrome. Therefore, the aim of this review is to analyze the recent advances achieved regarding the bio-ecology of the endemic and emerging pathogens that threaten cork oak trees with particular emphasis on the species more directly involved in oak decline. Moreover, the effect of climate change on the host-pathogen interactions, a task fundamental for making useful decisions and managing cork oak forests properly, is considered.

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Section: Discussionmentioning

confidence: 99%

Endemic and Emerging Pathogens Threatening Cork Oak Trees: Management Options for Conserving a Unique Forest Ecosystem

et al. 2016

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“…Also, P. gallica is morphologically distinct in producing non-papillate and persistent sporangia and being self-sterile (Jung & Nechwatal, 2008), while the remaining three clade-10 species are homothallic and produce papillate and caducous sporangia (Brasier et al, 2005;Erwin & Ribeiro, 1996;Nelson & Abad, 2010). Additionally, P. boehmeriae, P. kernoviae and P. morindae are phylogenetically closely related and form a distinct cluster within clade 10, while P. gallica was placed basal to them according to previous phylogenetic analyses (Jung & Nechwatal, 2008;Martin et al, 2014). In addition to the formal species, a provisional species in clade 10, Phytophthora gondwanense prov.…”

Section: Introductionmentioning

confidence: 94%

“…The genus Phytophthora currently includes more than 130 species (Kroon et al, 2012;Martin et al, 2012Martin et al, , 2014. Although species of Phytophthora resemble filamentous fungi morphologically, they actually belong to the kingdom Chromalveolata, which is more closely related to plants and algae (Adl et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

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A unique species in Phytophthora clade 10, Phytophthora intercalaris sp. nov., recovered from stream and irrigation water in the eastern USA

Yang

Balcì

Brazee

et al. 2016

International Journal of Systematic and Evolutionary Microbiology

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“…One phylotype corresponds to P. cf. cryptogea, a long recognised, but as yet undescribed species in the P. cryptogea complex (Martin et al 2014;Safaiefarahani et al 2015). The remaining phylotype belongs to a complex of species in Clade 2 that cannot be separated from other species in the clade (namely P. acerina, P. plurivora and P. pini) on the basis of the ITS1 gene region.…”

Section: Phytophthora Species Detected Within Australiamentioning

confidence: 99%

Distribution and diversity of Phytophthora across Australia

Burgess

White

McDougall

et al. 2017

Pac. Conserv. Biol.

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The introduction and subsequent impact of Phytophthora cinnamomi within native vegetation is one of the major conservation issues for biodiversity in Australia. Recently, many new Phytophthora species have been described from Australia's native ecosystems; however, their distribution, origin, and potential impact remain unknown. Historical bias in Phytophthora detection has been towards sites showing symptoms of disease, and traditional isolation methods show variable effectiveness of detecting different Phytophthora species. However, we now have at our disposal new techniques based on the sampling of environmental DNA and metabarcoding through the use of highthroughput sequencing. Here, we report on the diversity and distribution of Phytophthora in Australia using metabarcoding of 640 soil samples and we compare the diversity detected using this technique with that available in curated databases. Phytophthora was detected in 65% of sites, and phylogenetic analysis revealed 68 distinct Phytophthora phylotypes. Of these, 21 were identified as potentially unique taxa and 25 were new detections in natural areas and/or new introductions to Australia. There are 66 Phytophthora taxa listed in Australian databases, 43 of which were also detected in this metabarcoding study. This study revealed high Phytophthora richness within native vegetation and the additional records provide a valuable baseline resource for future studies. Many of the Phytophthora species now uncovered in Australia's native ecosystems are newly described and until more is known we need to be cautious with regard to the spread and conservation management of these new species in Australia's unique ecosystems.

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A combined mitochondrial and nuclear multilocus phylogeny of the genus Phytophthora

Cited by 168 publications

References 54 publications

Endemic and Emerging Pathogens Threatening Cork Oak Trees: Management Options for Conserving a Unique Forest Ecosystem

Endemic and Emerging Pathogens Threatening Cork Oak Trees: Management Options for Conserving a Unique Forest Ecosystem

A unique species in Phytophthora clade 10, Phytophthora intercalaris sp. nov., recovered from stream and irrigation water in the eastern USA

Distribution and diversity of Phytophthora across Australia

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