The complete mitochondrial genome of the land snail<i>Cerion incanum</i>(Gastropoda: Stylommatophora) and the phylogenetic relationships of Cerionidae within Panpulmonata

González, Vanessa L.; Kayal, Ehsan; Halloran, Margaret E.; Shrestha, Yesha; Harasewych, M. G.

doi:10.1093/mollus/eyw017

Cited by 8 publications

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“…Gene order is identical to that of Cerion incanum (González et al. 2016 ) ( Figure 1 ), but differs from that of other presently known Panpulmonata. This is the second mitochondrial genome sequenced within the family Cerionidae and will contribute to the assessment of the phylogeography of this family throughout the islands of the tropical western Atlantic.…”

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confidence: 52%

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The complete mitochondrial genome of Cerion uva uva (Gastropoda: Panpulmonata: Stylommatophora: Cerionidae)

Harasewych

González

Windsor

et al. 2017

Mitochondrial DNA Part B

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We report the complete mitochondrial genome sequence of Cerion uva uva (Linnaeus 1758), the type species of the type genus of the family Cerionidae. The mitogenome is 15,043 bp in length, has a base composition of A (28.3%), T (34.4%), C (17.3%) and G (20.0%), and contains 13 protein-coding genes, 2 ribosomal RNA genes, as well as 22 transfer RNA genes. Gene order is the same as in Cerion incanum (Leidy 1851), but differs from those of all other Panpulmonata. This is the second mitochondrial genome sequenced within the family Cerionidae and will contribute to the assessment of the phylogeography of this family throughout the islands of the tropical western Atlantic.

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confidence: 52%

“…As in other pulmonates (Figure 1) (Gonz alez et al 2016), it contains 13 protein-coding genes, 2 ribosomal RNA genes, as well as 22 transfer RNA genes. Gene order is identical to that of Cerion incanum (Gonz alez et al 2016) (Figure 1), but differs from that of other presently known Panpulmonata.…”

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confidence: 88%

The complete mitochondrial genome of Cerion uva uva (Gastropoda: Panpulmonata: Stylommatophora: Cerionidae)

Harasewych

González

Windsor

et al. 2017

Mitochondrial DNA Part B

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“…From annotated, previously published sequences (accession numbers NC_001816, NC_021747 and NC_017872), we extracted the individual genes following the annotation in the NCBI RefSeq database. However, previous studies, which used the sequence of Ce.nemoralis in mitogenomic phylogenetic analyses, repeatedly resulted in a spuriously long branch for this species (Knudsen et al 2006, González et al 2016, Minton et al 2016, Groenenberg et al 2017). A closer examination of the mitogenome sequence and translation of its protein coding regions revealed a very low quality of the sequence (see also White et al 2011).…”

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confidence: 99%

The complete mitogenome of Helix pomatia and the basal phylogeny of Helicinae (Gastropoda, Stylommatophora, Helicidae)

Orábek¹,

Petrusek²,

Rovatsos³

2019

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A complete mitochondrial genome of the Roman snail Helixpomatia Linnaeus, 1758 has been sequenced. The length and gene order correspond to that of other available helicid mitogenomes. We used the mitogenome sequence to reappraise the relationships among the four presumed principal groups of the helicid subfamily Helicinae. The results support the idea that the subfamily is divided between two western Palaearctic diversification centres: Iberian Peninsula and western Maghreb in the west, and Anatolia, the Aegean and Caucasus in the east. One group, the tribe Helicini, diversified in the east and the remaining three currently recognised tribes in the west. However, the exact relationships among lineages of the non-Helicini tribes could not be resolved.

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“…In all phylogenetic reconstructions, Plagiodontes daedaleus was used as outgroup species, with Cerion incanum (Leidy, 1851) used as an additional outgroup for the mitochondrial DNA sequence data. Sequences of C. incanum were extracted from the complete mitochondrial genome for the species (; González et al, 2016).…”

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confidence: 99%

From morphology to molecules: a combined source approach to untangle the taxonomy ofClessinia(Gastropoda, Odontostomidae), endemic land snails from the Dry Chaco ecoregion

Cuezzo

Miranda

Vogler

et al. 2018

PeerJ

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BackgroundLand gastropods of the Dry Chaco merit special attention because they comprise a highly diverse but barely studied group. Clessinia Doering, 1875 are typical inhabitants of this ecoregion. The inclusion of their distribution areas into Spixia range, their shell shape similarities, and a former molecular study raised doubts on the monophyly of this genus. The present study review the species of Clessinia, under a morphological, geometric morphometrics, and molecular combined approach.MethodsAdults were collected, photographed, measured, and dissected for anatomical studies. Shell ultrastructure was studied with scanning electron microscope. Geometric morphometric analyses on shells were performed testing if they gave complementary information to anatomy. Two mitochondrial genes, and a nuclear region were studied. Phylogenetic reconstructions to explore the relationships of DNA sequences here obtained to those of Clessinia and Spixia species from GenBank were performed.ResultsSpecies description on shell, periostracal ornamentation and anatomy is provided. We raised former Clessinia cordovana striata to species rank, naming it as Clessinia tulumbensis sp. nov. The periostracum, consisting of hairs and lamellae, has taxonomic importance for species identification. Shell morphometric analyses, inner sculpture of penis and proportion of the epiphallus and penis, were useful tools to species identification. Nuclear markers do not exhibit enough genetic variation to determine species relationships. Based on the mitochondrial markers, genetic distances among Clessinia species were greater than 10%, and while C. cordovana, C. nattkemperi, and C. pagoda were recognized as distinct evolutionary genetic species, the distinction between C. stelzneri and C. tulumbensis sp. nov. was not evident. Clessinia and Spixia were paraphyletic in the molecular phylogenetic analyses. Species of Clessinia here treated have narrow distributional areas and are endemic to the Chaco Serrano subecoregion, restricted to small patches within the Dry Chaco. Clessinia and Spixia are synonymous, and the valid name of the taxon should be Clessinia Doering, 1875 which has priority over Spixia Pilsbry & Vanatta, 1894.DiscussionOur results support the composition of C. cordovana complex by three species, C. cordovana, C. stelzneri, and C. tulumbensis sp. nov. The low genetic divergence between C. stelzneri and C. tulumbensis sp. nov. suggests that they have evolved relatively recently. The former Spixia and Clessinia are externally distinguished because Clessinia has a detached aperture from the body whorl forming a cornet, periostracal microsculpture extended over dorsal portion of the peristome, five inner teeth on the shell aperture instead of three–four found in Spixia. Morphological similarities exists between both genera in shell shape, type of periostracum microsculpture, reproductive anatomy, besides the overlap in geographic ranges.

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The complete mitochondrial genome of the land snailCerion incanum(Gastropoda: Stylommatophora) and the phylogenetic relationships of Cerionidae within Panpulmonata

Cited by 8 publications

References 40 publications

The complete mitochondrial genome of Cerion uva uva (Gastropoda: Panpulmonata: Stylommatophora: Cerionidae)

The complete mitochondrial genome of Cerion uva uva (Gastropoda: Panpulmonata: Stylommatophora: Cerionidae)

The complete mitogenome of Helix pomatia and the basal phylogeny of Helicinae (Gastropoda, Stylommatophora, Helicidae)

From morphology to molecules: a combined source approach to untangle the taxonomy ofClessinia(Gastropoda, Odontostomidae), endemic land snails from the Dry Chaco ecoregion

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