Leaf fungal microbiomes can be fundamental drivers of host plant success, as they contain pathogens that devastate crop plants and taxa that enhance nutrient uptake, discourage herbivory, and antagonize pathogens. VanWallwendael et al. measured leaf fungal diversity with amplicon sequencing across an entire growing season in a diversity panel of switchgrass (Panicum virgatum). They also sampled a replicated subset of genotypes across three additional sites to compare the importance of time, space, ecology, and genetics. The authors found a strong successional pattern in the microbiome shaped both by host genetics and environmental factors. Fungal pathogens were central to microbial covariance networks, and genotypes susceptible to pathogens differed in their expression of three cysteine-rich receptor-like kinases, suggesting that host immune genes are a principal means of controlling the entire leaf microbiome. The image shows a cross-section of a switchgrass leaf infected with rust fungus (Puccinia novopanici).
Image Credit: Raiza J Castillo Argaez
Consensus Views
The EICAT+ framework enables classification of positive impacts of alien taxa on native biodiversity
PLOS Biology: published August 16, 2022 | https://doi.org/10.1371/journal.pbio.3001729
Designing and implementing a research integrity promotion plan: Recommendations for research funders
PLOS Biology: published August 19, 2022 | https://doi.org/10.1371/journal.pbio.3001773
Perspective
Urgent need for a non-discriminatory and non-stigmatizing nomenclature for monkeypox virus
PLOS Biology: published August 23, 2022 | https://doi.org/10.1371/journal.pbio.3001769
Primers
The changing influence of host genetics on the leaf fungal microbiome throughout plant development
PLOS Biology: published August 12, 2022 | https://doi.org/10.1371/journal.pbio.3001748
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Research Articles
Kelp carbon sink potential decreases with warming due to accelerating decomposition
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Analysis of differences and commonalities in wildlife hunting across the Africa-Europe South-North gradient
PLOS Biology: published August 30, 2022 | https://doi.org/10.1371/journal.pbio.3001707
Host genotype controls ecological change in the leaf fungal microbiome
PLOS Biology: published August 11, 2022 | https://doi.org/10.1371/journal.pbio.3001681
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Human electromagnetic and haemodynamic networks systematically converge in unimodal cortex and diverge in transmodal cortex
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Comprehensive analysis of locomotion dynamics in the protochordate Ciona intestinalis reveals how neuromodulators flexibly shape its behavioral repertoire
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The antimicrobial peptide cathelicidin drives development of experimental autoimmune encephalomyelitis in mice by affecting Th17 differentiation
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Individuality and ethnicity eclipse a short-term dietary intervention in shaping microbiomes and viromes
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Single-cell multiomics analyses of spindle-transferred human embryos suggest a mostly normal embryonic development
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Shoot-to-root translocated GmNN1/FT2a triggers nodulation and regulates soybean nitrogen nutrition
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Type 2 diabetes disrupts circadian orchestration of lipid metabolism and membrane fluidity in human pancreatic islets
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Macrophages take up VLDL-sized emulsion particles through caveolae-mediated endocytosis and excrete part of the internalized triglycerides as fatty acids
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Phage endolysins are adapted to specific hosts and are evolutionarily dynamic
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Short Reports
Sleep loss leads to the withdrawal of human helping across individuals, groups, and large-scale societies
PLOS Biology: published August 23, 2022 | https://doi.org/10.1371/journal.pbio.3001733
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Ancestral SARS-CoV-2, but not Omicron, replicates less efficiently in primary pediatric nasal epithelial cells
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Methods and Resources
Multivariate phenotype analysis enables genome-wide inference of mammalian gene function
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Network modeling of dynamic brain interactions predicts emergence of neural information that supports human cognitive behavior
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Update Article
Niclosamide-loaded nanoparticles disrupt Candida biofilms and protect mice from mucosal candidiasis
PLOS Biology: published August 17, 2022 | https://doi.org/10.1371/journal.pbio.3001762