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View article: Preserving the Biologically Coherent Generic Concept of <i>Phytophthora</i>, “Plant Destroyer”
Preserving the Biologically Coherent Generic Concept of <i>Phytophthora</i>, “Plant Destroyer” Open
Phytophthora is a long-established, well-known, and globally important genus of plant pathogens. Phylogenetic evidence has shown that the biologically distinct, obligate biotrophic downy mildews evolved from Phytophthora at least twice. Be…
View article: The virome of the panglobal, wide host-range plant pathogen <i>Phytophthora cinnamomi</i>: phylogeography and evolutionary insights
The virome of the panglobal, wide host-range plant pathogen <i>Phytophthora cinnamomi</i>: phylogeography and evolutionary insights Open
Phytophthora cinnamomi stands out as one of the most devastating plant pathogens worldwide, rapidly expanding its range and impacting a wide range of host species. In this study, we investigated the virome of P. cinnamomi across 222 isolat…
View article: Intraspecific Variation and Recent Loss of Ancient, Conserved Effector Genes in the Sudden Oak Death Pathogen <i>Phytophthora ramorum</i>
Intraspecific Variation and Recent Loss of Ancient, Conserved Effector Genes in the Sudden Oak Death Pathogen <i>Phytophthora ramorum</i> Open
Members of the Phytophthora genus are responsible for many important diseases in agricultural and natural ecosystems. Phytophthora ramorum causes devastating diseases of oak and tanoak stands in U.S. forests and larch in the United Kingdom…
View article: Hidden Phytophthora diversity unveiled in tree nurseries of the Czech Republic with traditional and metabarcoding techniques
Hidden Phytophthora diversity unveiled in tree nurseries of the Czech Republic with traditional and metabarcoding techniques Open
Phytophthora diversity was examined in eight forest and ornamental nurseries in the Czech Republic. A leaf baiting isolation technique and, in two nurseries, also Illumina DNA metabarcoding were used to reveal the diversity of Phytophthora…
View article: Response of Alnus glutinosa to Phytophthora bark infections at ambient and elevated CO2 levels
Response of Alnus glutinosa to Phytophthora bark infections at ambient and elevated CO2 levels Open
Introduction Mortality of the riparian alder population caused by Phytophthora pathogens has been studied for over 20 years throughout Europe, recently gaining more importance in the context of evident climate change. The main objective of…
View article: Phylogeography, origin and population structure of the self‐fertile emerging plant pathogen <i>Phytophthora pseudosyringae</i>
Phylogeography, origin and population structure of the self‐fertile emerging plant pathogen <i>Phytophthora pseudosyringae</i> Open
Phytophthora pseudosyringae is a self‐fertile pathogen of woody plants, particularly associated with tree species from the genera Fagus , Notholithocarpus , Nothofagus and Quercus , which is found across Europe and in parts of North Americ…
View article: Worldwide forest surveys reveal forty-three new species in <i> Phytophthora</i> major Clade 2 with fundamental implications for the evolution and biogeography of the genus and global plant biosecurity
Worldwide forest surveys reveal forty-three new species in <i> Phytophthora</i> major Clade 2 with fundamental implications for the evolution and biogeography of the genus and global plant biosecurity Open
During 25 surveys of global Phytophthora diversity, conducted between 1998 and 2020, 43 new species were detected in natural ecosystems and, occasionally, in nurseries and outplantings in Europe, Southeast and East Asia and the Americas. B…
View article: Climate acts as an environmental filter to plant pathogens
Climate acts as an environmental filter to plant pathogens Open
Climate shapes the distribution of plant-associated microbes such as mycorrhizal and endophytic fungi. However, the role of climate in plant pathogen community assembly is less understood. Here, we explored the role of climate in the assem…
View article: Alteration of the tree–soil microbial system triggers a feedback loop that boosts holm oak decline
Alteration of the tree–soil microbial system triggers a feedback loop that boosts holm oak decline Open
In anthropic savanna ecosystems from the Iberian Peninsula (i.e. dehesa), complex interactions between climate change, pathogen outbreaks and human land use are presumed to be behind the observed increase in holm oak decline. These environ…
View article: Hidden Phytophthora diversity unveiled in nurseries of the Czech Republic with metabarcoding
Hidden Phytophthora diversity unveiled in nurseries of the Czech Republic with metabarcoding Open
This a subset of 105 demultiplexed Illumina MiSeq raw sequencing samples run at the James Hutton Institute in March 2022, consisting of two 96-well plates labelled with the Illumina A and D multiplexing kits with, 96 and 9 samples respecti…
View article: Hidden Phytophthora diversity unveiled in nurseries of the Czech Republic with metabarcoding
Hidden Phytophthora diversity unveiled in nurseries of the Czech Republic with metabarcoding Open
This a subset of 105 demultiplexed Illumina MiSeq raw sequencing samples run at the James Hutton Institute in March 2022, consisting of two 96-well plates labelled with the Illumina A and D multiplexing kits with, 96 and 9 samples respecti…
View article: Extensive morphological and behavioural diversity among fourteen new and seven described species in <i> Phytophthora</i> Clade 10 and its evolutionary implications
Extensive morphological and behavioural diversity among fourteen new and seven described species in <i> Phytophthora</i> Clade 10 and its evolutionary implications Open
During extensive surveys of global Phytophthora diversity 14 new species detected in natural ecosystems in Chile, Indonesia, USA (Louisiana), Sweden, Ukraine and Vietnam were assigned to Phytophthora major Clade 10 based on a multigene phy…
View article: Metabolomic and Physiological Changes in Fagus sylvatica Seedlings Infected with Phytophthora plurivora and the A1 and A2 Mating Types of P. ×cambivora
Metabolomic and Physiological Changes in Fagus sylvatica Seedlings Infected with Phytophthora plurivora and the A1 and A2 Mating Types of P. ×cambivora Open
Phytophthora infections are followed by histological alterations, physiological and metabolomic adjustments in the host but very few studies contemplate these changes simultaneously. Fagus sylvatica seedlings were inoculated with A1 and A2…
View article: Germination and seed traits in common alder (<i>Alnus</i> spp.): the potential contribution of rear‐edge populations to ecological restoration success
Germination and seed traits in common alder (<i>Alnus</i> spp.): the potential contribution of rear‐edge populations to ecological restoration success Open
The degradation of riparian ecosystems occurring throughout the past decades has motivated efforts aimed at the restoration of these ecosystems. The success of active revegetation approaches to restoration requires appropriate selection of…
View article: The Destructive Tree Pathogen Phytophthora ramorum Originates from the Laurosilva Forests of East Asia
The Destructive Tree Pathogen Phytophthora ramorum Originates from the Laurosilva Forests of East Asia Open
As global plant trade expands, tree disease epidemics caused by pathogen introductions are increasing. Since ca 2000, the introduced oomycete Phytophthora ramorum has caused devastating epidemics in Europe and North America, spreading as f…
View article: Transgenerational Induction of Resistance to Phytophthora cinnamomi in Holm Oak
Transgenerational Induction of Resistance to Phytophthora cinnamomi in Holm Oak Open
The maternal environment of a tree species can influence the development and resistance of its offspring. Transgenerational induction of resistance is well known in plants but its occurrence in forest tree species has been less reported. Q…
View article: Decline of European Beech in Austria: Involvement of Phytophthora spp. and Contributing Biotic and Abiotic Factors
Decline of European Beech in Austria: Involvement of Phytophthora spp. and Contributing Biotic and Abiotic Factors Open
A severe decline and dieback of European beech (Fagus sylvatica L.) stands have been observed in Austria in recent decades. From 2008 to 2010, the distribution and diversity of Phytophthora species and pathogenic fungi and pests were surve…
View article: Patterns of Genetic Diversification in the Invasive Hybrid Plant Pathogen <i>Phytophthora</i> × <i>alni</i> and Its Parental Species <i>P. uniformis</i>
Patterns of Genetic Diversification in the Invasive Hybrid Plant Pathogen <i>Phytophthora</i> × <i>alni</i> and Its Parental Species <i>P. uniformis</i> Open
In pathogenic fungi and oomycetes, interspecific hybridization may lead to the formation of new species having a greater impact on natural ecosystems than the parental species. From the early 1990s, a severe alder (Alnus spp.) decline due …
View article: A Survey in Natural Forest Ecosystems of Vietnam Reveals High Diversity of both New and Described Phytophthora Taxa including P. ramorum
A Survey in Natural Forest Ecosystems of Vietnam Reveals High Diversity of both New and Described Phytophthora Taxa including P. ramorum Open
In 2016 and 2017, surveys of Phytophthora diversity were performed in 25 natural and semi-natural forest stands and 16 rivers in temperate and subtropical montane and tropical lowland regions of Vietnam. Using baiting assays from soil samp…
View article: From leaf to continent: The multi-scale distribution of an invasive cryptic pathogen complex on oak
From leaf to continent: The multi-scale distribution of an invasive cryptic pathogen complex on oak Open
The spatial distribution and niche differentiation of three closely related species (Erysiphe alphitoides, Erysiphe quercicola and Erysiphe hypophylla) causing oak powdery mildew was studied at scales ranging from the European continent, w…
View article: Isolation and Pathogenicity of Phytophthora Species from Poplar Plantations in Serbia
Isolation and Pathogenicity of Phytophthora Species from Poplar Plantations in Serbia Open
During a survey in three declining and three healthy poplar plantations in Serbia, six different Phytophthora species were obtained. Phytophthora plurivora was the most common, followed by P. pini, P. polonica, P. lacustris, P. cactorum, a…
View article: Invasive forest pathogens in Europe: Cross-country variation in public awareness but consistency in policy acceptability
Invasive forest pathogens in Europe: Cross-country variation in public awareness but consistency in policy acceptability Open
Political action can reduce introductions of diseases caused by invasive forest pathogens (IPs) and public support is important for effective prevention. The public's awareness of IP problems and the acceptability of policies aiming to com…
View article: Effects Of Co-Inoculations Of Alnus Incana With Phytophthora Alni Complex And P. Plurivora On Disease Development And Mortality
Effects Of Co-Inoculations Of Alnus Incana With Phytophthora Alni Complex And P. Plurivora On Disease Development And Mortality Open
The Phytophthora alni complex exhibits strong host specificity, damaging all European alder species. Under the same niches, co-infections of these Phytophthora spp. are expected to affect their pathogenic behavior and the disease developme…
View article: Early survival of <i>Quercus ilex</i> subspecies from different populations after infections and co‐infections by multiple <i>Phytophthora</i> species
Early survival of <i>Quercus ilex</i> subspecies from different populations after infections and co‐infections by multiple <i>Phytophthora</i> species Open
Forests in Europe are threatened by increased diversity of Phytophthora species, but effects on trees of simultaneous infections by Phytophthora and ecological consequences of their coexistence are unknown. This study explored variation in…