Thailand is known to be a part of what is called the Indo-Burma biodiversity hotspot, hosting a vast array of organisms across its diverse ecosystems. This is reflected by the increasing number of new species described over time, especially fungi. However, a very few fungal species from the specialized spider-parasitic genus have ever been reported from this region. A survey of invertebrate-pathogenic fungi in Thailand over several decades has led to the discovery of a number of fungal specimens with affinities to this genus. Integration of morphological traits into multi-locus phylogenetic analysis uncovered four new species: , , , and . All these appear to be exclusively linked with torrubiella-like sexual morphs with the presence of granulomanus-like asexual morph in and . A remarkably high host specificity of these new species towards their spider hosts was revealed, and for the first time, evidence is presented for manipulation of host behavior in .

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7481265PMC
http://dx.doi.org/10.3897/mycokeys.72.55088DOI Listing

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Disentangling the Taxonomy, Systematics, and Life History of the Spider-Parasitic Fungus (Cordycipitaceae, Hypocreales).

J Fungi (Basel)

April 2023

Laboratory of Molecular and Computational Biology of Fungi, Department of Microbiology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil.

(Cordycipitaceae, Hypocreales) is frequently observed growing on spiders, but little is known about their host range. One of the greatest challenges in describing these interactions is identifying the host, since the fungus often rapidly consumes the parasitised spiders and destroys important diagnostic taxonomic traits. Additionally, the global diversity of remains unclear, as does the natural history and phylogenetic relationships of most of the species.

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Article Synopsis
  • * The research describes eight new species of this genus and documents three previously known species from Thailand, alongside a multi-gene phylogeny that highlights the differences among these species.
  • * The study also identifies the spider hosts infected by these fungi, including a notable first mention of an ant-mimicking spider genus in association with the fungus.
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Thailand is known to be a part of what is called the Indo-Burma biodiversity hotspot, hosting a vast array of organisms across its diverse ecosystems. This is reflected by the increasing number of new species described over time, especially fungi. However, a very few fungal species from the specialized spider-parasitic genus have ever been reported from this region.

View Article and Find Full Text PDF

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