Results 51 to 60 of about 3,048 (164)

Two Decades of the Immersiporthe knoxdaviesiana (Cryphonectriaceae) Canker Outbreak Driven by Clonal Pathogen Lineages

Plant Pathology, Volume 75, Issue 5, September‐October 2026.
A single clonal lineage has driven Cape beech canker for nearly two decades. However, the fungus was also found in healthy trees, suggesting that this emerging disease may have a more complex origin than a simple pathogen introduction. ABSTRACT Immersiporthe knoxdaviesiana (Cryphonectriaceae) causes an aggressive canker disease on native Myrsine ...
Nam Q. Pham, Hiroyuki Suzuki, Seonju Marincowitz, Francois Roets, Trudy Paap, Natalie Kapsosideris, Brenda D. Wingfield, Michael J. Wingfield   +7 more
wiley   +1 more source

Verticillium albo‐atrum partitivirus 1 Is a Highly Prevalent and Stably Maintained Cryptic Virus of Hop‐Associated Verticillium nonalfalfae

Plant Pathology, Volume 75, Issue 5, September‐October 2026.
Verticillium albo‐atrum partitivirus 1 (VaaPV1) infects Verticillium nonalfalfae isolates from hop. Comparative analyses of virus‐infected and isogenic virus‐free isolates revealed no effect on fungal growth or virulence, indicating a latent (cryptic) infection. ABSTRACT The soilborne plant‐pathogenic fungus Verticillium nonalfalfae causes Verticillium
Vanja Miljanić, Jernej Jakše, Sebastjan Radišek, Ester Stajič, Nataša Štajner   +4 more
wiley   +1 more source

Viral Transmission Between Heterobasidion parviporum Strains in Wood Billets and Decaying Stumps

Forest Pathology, Volume 56, Issue 4, August 2026.
ABSTRACT The combined use of Heterobasidion partitiviruses HetPV13‐an1 and HetPV15‐pa1 is considered a promising biocontrol approach against Heterobasidion root and butt rot. Both viruses mediate debilitating effects in many Heterobasidion isolates and are transmitted efficiently in laboratory conditions.
Muhammad Kashif, Eeva J. Vainio, Tuula Piri, Jarkko Hantula   +3 more
wiley   +1 more source

Transgenic American Chestnuts Do Not Inhibit Germination of Native Seeds or Colonization of Mycorrhizal Fungi

Frontiers in Plant Science, 2018
The American chestnut (Castanea dentata) was once an integral part of eastern United States deciduous forests, with many environmental, economic, and social values. This ended with the introduction of an invasive fungal pathogen that wiped out over three
Andrew E. Newhouse, Allison D. Oakes, Hannah C. Pilkey, Hannah E. Roden, Thomas R. Horton, William A. Powell   +5 more
doaj   +1 more source

The tree‐parasitic fungus Cryphonectria carpinicola discovered on European chestnut and European hornbeam in Azerbaijan

EPPO Bulletin, Volume 56, Issue 2, Page 370-375, August 2026.
Abstract The ascomycetous fungus Cryphonectria carpinicola is typically found in its asexual form on the European hornbeam, and its sexual state has only recently been discovered in deadwood of different Carpinus species in Japan. Recently, this fungus has been added to the EPPO Alert List due to its increasing incidence in the EPPO region and a ...
Carolina Cornejo, Dilzara Aghayeva, Ludwig Beenken   +2 more
wiley   +1 more source

A Tannic Acid–Inducible and Hypoviral-Regulated Laccase3 Contributes to the Virulence of the Chestnut Blight Fungus Cryphonectria parasitica

Molecular Plant-Microbe Interactions, 2008
A new laccase gene (lac3) from the chestnut blight fungus Cryphonectria parasitica was induced by the presence of tannic acid, which is abundant in the bark of chestnut trees and is assumed to be one of the major barriers against pathogen infection ...
Hea-Jong Chung, Bo-Ra Kwon, Jung-Mi Kim, Seung-Moon Park, Jong-Kun Park, Byeong-Jin Cha, Moon-Sik Yang, Dae-Hyuk Kim   +7 more
doaj   +1 more source

The immunity paradox: how do plants survive without adaptive immunity?

The Plant Journal, Volume 127, Issue 3, August 2026.
SUMMARY Higher plants and mammals exist in similar microbial environments and face similar challenges from microbial pathogens. Both taxonomic groups encode proteins capable of recognizing and triggering responses to pathogens; however, their recognitional capacities differ substantially.
Peter Balint‐Kurti
wiley   +1 more source

Cyto-molecular characterization of rDNA and chromatin composition in the NOR-associated satellite in Chestnut (Castanea spp.)

Scientific Reports
The American chestnut (Castanea dentata, 2n = 2x = 24), once known as the “King of the Appalachian Forest”, was decimated by chestnut blight during the first half of the twentieth century by an invasive fungus (Cryphonectria parasitica).
Nurul Islam-Faridi, George L. Hodnett, Tetyana Zhebentyayeva, Laura L. Georgi, Paul H. Sisco, Frederick V. Hebard, C. Dana Nelson   +6 more
doaj   +1 more source

Notes on the ecological distribution of the myxomycete Arcyria globosa

MycoAsia - Journal of Modern Mycology
Prior to the virtual elimination of American chestnut (Castanea dentata) from the forests of eastern North America by the chestnut blight fungus, Arcyria globosa was commonly found on old chestnut burs that had fallen to the ground.
Steven L. Stephenson, Adam W. Rollins, Thida Win Ko Ko, Randy G. Darrah   +3 more
doaj   +1 more source

Temperature Alters Specificity in a Host–Parasite Interaction

Ecology and Evolution, Volume 16, Issue 7, July 2026.
The Red Queen Hypothesis predicts that host–parasite coevolution maintains genetic variation through strong genetic specificity, but this specificity may be sensitive to environmental conditions. Using Meloidogyne arenaria and its parasite Pasteuria penetrans, we tested host–parasite interactions across three temperatures and found specificity at two ...
Abbey Ramirez, Amanda Gibson
wiley   +1 more source