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| Open AccessA fungal sesquiterpene biosynthesis gene cluster critical for mutualist-pathogen transition in Colletotrichum tofieldiae
Plant-associated fungi range from pathogens to mutualists. Here the authors identify a gene cluster in a Colletotrichum tofieldiae strain that is required to allow the fungus to transition from a mutualist to a pathogen depending on the nutritional status of the host.
- Kei Hiruma
- , Seishiro Aoki
- & Yusuke Saijo
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Article
| Open AccessAcidification suppresses the natural capacity of soil microbiome to fight pathogenic Fusarium infections
We have limited knowledge on how soil conditions affect microbiota and plant health. Here, the authors find that soil acidification impacts bacterial communities and reduces the capacity of soils to combat fungal pathogens such as Fusarium.
- Xiaogang Li
- , Dele Chen
- & Manuel Delgado-Baquerizo
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Article
| Open AccessA protein kinase coordinates cycles of autophagy and glutaminolysis in invasive hyphae of the fungus Magnaporthe oryzae within rice cells
The blast fungus Magnaporthe oryzae produces invasive hyphae in living rice cells during early infection. Here, the authors show that a fungal protein kinase promotes this biotrophic growth phase by coordinating cycles of autophagy and glutaminolysis in invasive hyphae.
- Gang Li
- , Ziwen Gong
- & Richard A. Wilson
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| Open AccessThe genome and lifestage-specific transcriptomes of a plant-parasitic nematode and its host reveal susceptibility genes involved in trans-kingdom synthesis of vitamin B5
Plant-parasitic nematodes are a threat to crop production. Combining bioinformatics, genetic and biochemical approaches, the authors show that the plant pathogen beet cyst nematode possesses an incomplete vitamin B5 synthesis pathway, of potential prokaryotic origin, complemented by its plant host.
- Shahid Siddique
- , Zoran S. Radakovic
- & Sebastian Eves-van den Akker
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| Open AccessNitrogen represses haustoria formation through abscisic acid in the parasitic plant Phtheirospermum japonicum
Parasitic plants obtain nutrients from their hosts. Here the authors show that nitrogen sufficiency suppresses parasitism in the root parasite Phtheirospermum japonicum by increasing levels of the phytohormone ABA suggesting that the degree of parasitism is regulated by nutrient availability.
- Anna Kokla
- , Martina Leso
- & Charles W. Melnyk
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Article
| Open AccessConserved nematode signalling molecules elicit plant defenses and pathogen resistance
Plants are able to induce defense responses following recognition of certain pathogen derived molecules at the cell surface. Here, Manosalvaet al. show that plants respond to ascarosides, a conserved class of nematode pheromones, providing the first example of plant recognition of an animal-derived signalling molecule.
- Patricia Manosalva
- , Murli Manohar
- & Daniel F. Klessig