AI Article Synopsis
- - Members of the Ophiostomatales fungi are important for their roles with bark beetles and their contribution to blue stain in timber, making their taxonomy complex due to converging evolution and diverse morphological traits
- - The study applied Illumina sequencing and phylogenetic analysis to the mitochondrial genomes of three species, revealing that while gene content is conserved, their genome sizes differ significantly because of varying intron numbers
- - Findings suggest that mitochondrial genomes can effectively clarify evolutionary relationships within the Ophiostomatales and support existing taxonomic classifications, especially regarding the separation of certain genera
Article Abstract
Introduction: Many members of the Ophiostomatales are of economic importance as they are bark-beetle associates and causative agents for blue stain on timber and in some instances contribute towards tree mortality. The taxonomy of these fungi has been challenging due to the convergent evolution of many traits associated with insect dispersal and a limited number of morphological characters that happen to be highly pleomorphic. This study examines the mitochondrial genomes for three members of [ (also known as ), (also known as ), and sp. WIN(M)1376)].
Methods: Illumina sequencing combined with gene and intron annotations and phylogenetic analysis were performed.
Results: Sequence analysis showed that gene content and gene synteny are conserved but mitochondrial genome sizes were variable: at 63,821 bp, sp. WIN(M)1376 at 81,823 bp and at 104,547 bp. The variation in size is due to the number of introns and intron-associated open reading frames. Phylogenetic analysis of currently available mitochondrial genomes for members of the Ophiostomatales supports currently accepted generic arrangements within this order and specifically supports the separation of members with Leptographium-like conidiophores into two genera, with grouping with and aligning with .
Discussion: Mitochondrial genomes are promising sequences for resolving evolutionary relationships within the Ophiostomatales.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10448965 | PMC |
| http://dx.doi.org/10.3389/fmicb.2023.1240407 | DOI Listing |
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