ArticleThe ISME journal2019
Asexual reproduction and growth rate: independent and plastic life history traits in Neurospora crassa.
Article in The ISME journal, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Convergent evolution links molybdenum insertase domains with organism-specific sequences.Communications biology · 2024Article
- Modeling the consequences of the dikaryotic life cycle of mushroom-forming fungi on genomic conflict.eLife · 2022Article
- Gene by Environment Interactions reveal new regulatory aspects of signaling network plasticity.PLoS genetics · 2022Article
- A Nuclei-Based Conceptual Model of (Eco)evolutionary Dynamics in Fungal Heterokaryons.Frontiers in microbiology · 2022Article
- Asexual reproduction and vegetative growth ofEcology and evolution · 2021Article
- MarkedG3 (Bethesda, Md.) · 2020Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Trade-offs among traits influencing fitness are predicted by life history theory because resources allocated to one function are unavailable to another. Here we examine the relationship between two such traits, asexual reproduction and growth rate, in the filamentous fungus Neurospora crassa, where shared genetic and physiological factors and a source-sink energetic relationship between growth and reproduction may constrain the evolution of these traits. To test growth-reproduction relationships in this species, we independently selected on mycelial growth rate or asexual spore production in a heterogeneous lab-derived population and evaluated the response of the non-selected traits. Combined with phenotypes for the 20 wild strains used to produce the heterogeneous population and the genome-wide genotypes of 468 strains, these data show that growth and reproduction are highly plastic in N. crassa and do not trade off either among wild strains or after laboratory selection in two environments. Rather, we find no predictable growth-reproduction relationship in the environments tested, indicating an effective absence of genetic constraint between these traits. Our results suggest that growth rate and asexual reproduction may not respond predictably to environmental change and suggest that reliance on a single trait as a proxy for fitness in fungal studies may be inadvisable.
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