Considerable congruence, enlightening conflict: molecular analysis largely supports morphology-based hypotheses on Cecidomyiidae (Diptera) phylogeny

Sikora, Tomáš; Jaschhof, Mathias; Mantič, Michal; Kaspřák, David; Ševčı́k, Jan

doi:10.1093/zoolinnean/zly029

Cited by 22 publications

(21 citation statements)

References 33 publications

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“…Nucleotide sequences for co1 , cad , ef1a , and 28 s were retrieved from GenBank for each of the five species included in the species phylogeny ( supplementary table S7 , Supplementary Material online ). Bibio marci (Diptera: Bibionidae) was included as an outgroup to the Cecidomyiidae family, consistent with phylogenies previously generated for the family ( Sikora et al 2019 ). Each gene was aligned individually using the default settings on the MAFFT v. 7 webserver ( Katoh et al 2019 ).…”

Section: Methodsmentioning

confidence: 80%

Horizontal Transfer of Microbial Toxin Genes to Gall Midge Genomes

Verster

Tarnopol

Akalu

et al. 2021

Genome Biology and Evolution

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A growing body of evidence has underscored the role of horizontal gene transfer (HGT) in animal evolution. Previously, we discovered the horizontal transfer of the gene encoding the eukaryotic genotoxin cytolethal distending toxin B (cdtB) from the pea aphid Acyrthosiphon pisum secondary endosymbiont (APSE) phages to drosophilid and aphid nuclear genomes. Here, we report cdtB in the nuclear genome of the gall-forming ‘swede midge’ Contarinia nasturtii (Diptera: Cecidomyiidae) via HGT. We searched all available gall midge genome sequences for evidence of APSE-to-insect HGT events and found five toxin genes (aip56, cdtB, lysozyme, rhs, and sltxB) transferred horizontally to cecidomyiid nuclear genomes. Surprisingly, phylogenetic analyses of HGT candidates indicated APSE phages were often not the ancestral donor lineage of the toxin gene to cecidomyiids. We used a phylogenetic signal statistic to test a transfer-by-proximity hypothesis for animal HGT, which suggested that microbe-to-insect HGT was more likely between taxa that share environments than those from different environments. Many of the toxins we found in midge genomes target eukaryotic cells, and catalytic residues important for toxin function are conserved in insect copies. This class of horizontally transferred, eukaryotic cell-targeting genes is potentially important in insect adaptation.

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Section: Methodsmentioning

confidence: 80%

Horizontal Transfer of Microbial Toxin Genes to Gall Midge Genomes

Verster

Tarnopol

Akalu

et al. 2021

Genome Biology and Evolution

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“…The family belongs to the Sciaroidea within the infraorder Bibionomorpha [5,6] and the monophyly is recognized without controversy [7,8]. The phylogenetic analyses of Sikora et al [9] and Dorchin et al [10] corroborate the classification of the main branches of Cecidomyiidae outlined in Gagné and Jaschhof [1]. stereomicroscope to obtain immature instars (larva and pupa).…”

Section: Introductionmentioning

confidence: 85%

Cladistic analysis of the genus Bruggmanniella Tavares (Diptera, Cecicomyiidae, Asphondyliini) with evolutionary inferences on the gall inducer-host plant association and description of a new Brazilian species

2020

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In this study, we present a phylogenetic analysis of the genus Bruggmanniella Tavares based on morphological features. Cladistic analyses were conducted using 57 characters from 26 species. All species of Bruggmanniella except for B. byrsonimae were selected as ingroup and the genera Asphondylia Loew, Bruggmannia Tavares, Illiciomyia Tokuda, Parazalepidota Maia, Pseudasphondylia Monzen, Schizomyia Kieffer, and Lopesia Rü bsaamen as outgroup. We used characters from larvae, pupae, adults, and galls. The results of this study supported Bruggmanniella as the sister group of Pseudasphondylia. Bruggmanniella actinodaphnes Tokuda and Yukawa and B. cinnamomi Tokuda and Yukawa have been moved to genus Pseudasphondylia (Pseudasphondylia actinodaphnes (Tokuda and Yukawa) comb. nov. and Pseudasphondylia cinnamomi (Tokuda and Yukawa) comb. nov.). The new genus Odontokeros gen. nov. has been erected for the single species Odontokeros brevipes (Lin, Yang & Tokuda) comb. nov. In addition, we described a new Brazilian species, Bruggmanniella miconia Garcia, Lamas and Urso-Guimarães sp. nov. Identification keys to the New World species of Bruggmanniella are presented.

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“…This study is an integral part of a long-term project aimed at molecular phylogenetic reconstruction of the infraorder Bibionomorpha and its particular families (see [ 1 , 36 , 37 ]). We present here the first comprehensive molecular phylogeny of the entire family Keroplatidae, based on a broad taxon and gene sampling.…”

Section: Introductionmentioning

confidence: 99%

Hidden in Plain Sight: Comprehensive Molecular Phylogeny of Keroplatidae and Lygistorrhinidae (Diptera) Reveals Parallel Evolution and Leads to a Revised Family Classification

Mantič

Sikora

Burdíková

et al. 2020

Insects

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We provide the first molecular phylogeny of Keroplatidae and Lygistorrhinidae, families of fungus gnats (Diptera: Bibionomorpha: Sciaroidea). Phylogenies reconstructed by Maximum Likelihood and Bayesian methods, based on four nuclear and four mitochondrial gene markers (5106 base pairs) sequenced for 75 genera and 105 species, show Keroplatidae as monophyletic only with the family Lygistorrhinidae included, herewith treated as the subfamily Lygistorrhininae stat. nov. The subfamily Arachnocampinae is retained in the family, although lowering its overall support. An early branching clade, comprising species of Platyura Meigen, 1803 and Paleoplatyura melanderi Fisher, 1941, forms subfamily Platyurinae Loew, 1850 stat. nov. The subfamilies Sciarokeroplatinae and Macrocerinae grouped together with three genera considered here as Keroplatidae incertae sedis. Subfamily Lygistorrhininae forms a sister clade to subfamily Keroplatinae, both retained monophyletic with high support. The traditional division of the subfamily Keroplatinae into the tribes Orfeliini and Keroplatini appears as outdated, resting largely on adaptive characters prone to parallel evolution. We find support for an alternative tribe corresponding to the Cloeophoromyia–Asindulum genus group, but a tribal reclassification of the Keroplatinae is left for future studies. The genus Heteropterna Skuse, 1888 is considered as identical with Ctenoceridion Matile, 1972 syn. nov.

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Considerable congruence, enlightening conflict: molecular analysis largely supports morphology-based hypotheses on Cecidomyiidae (Diptera) phylogeny

Cited by 22 publications

References 33 publications

Horizontal Transfer of Microbial Toxin Genes to Gall Midge Genomes

Horizontal Transfer of Microbial Toxin Genes to Gall Midge Genomes

Cladistic analysis of the genus Bruggmanniella Tavares (Diptera, Cecicomyiidae, Asphondyliini) with evolutionary inferences on the gall inducer-host plant association and description of a new Brazilian species

Hidden in Plain Sight: Comprehensive Molecular Phylogeny of Keroplatidae and Lygistorrhinidae (Diptera) Reveals Parallel Evolution and Leads to a Revised Family Classification

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