Phylogenomics of the catfish family Pimelodidae with focus on the genus Pimelodus support the recognition of Sorubiminae and Pimelodinae (Teleostei, Siluriformes)

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-06-08 DOI:10.1111/zsc.12671

Gabriel S. C. Silva, Marcelo S. Rocha, B. F. Melo, Lais Reia, F. F. Roxo, M. Sabaj, Claudio Oliveira

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引用次数: 0

Abstract

Pimelodidae is a family of large‐sized catfishes consisting of 116 valid species divided into 30 genera distributed in the Neotropical region. Despite recent advancements in understanding the pimelodid phylogeny, several internal relationships have remained unclear and have received limited support from various phylogenetic analyses. We provide a new genomic dataset comprising 55 species representing 25 genera of Pimelodidae and related siluriform families Aspredinidae, Auchenipteridae, Cetopsidae, Doradidae, Diplomystidae, Heptapteridae, Loricariidae, and Pseudopimelodidae. Our phylogenetic analyses support the monophyly of Pimelodidae, as well as the existence of four major lineages: the Steindachneridion clade, the Leiarius + Phractocephalus clade, and two major subclades herein classified as Sorubiminae and Pimelodinae. Our topology resolves Phractocephalus sister to Leiarius differing from previous phylogenies. In Sorubiminae, Zungaro is sister to two large clades: one with Sorubim, Sorubimichthys, and Pseudoplatystoma, and the other with Hemisorubim, Platysilurus, Platystomatichthys, Brachyplatystoma, and Hypophthalmus. In Pimelodinae, we found the Pimelodus ornatus clade, the calophysines, and the clade with Exallodontus, Propimelodus, and Pimelodus altissimus closer to the Pimelodus group. Parapimelodus, Duopalatinus, Iheringichthys, and Bergiaria are included within the Pimelodus group. The Pimelodus group contains four main components: (1) Duopalatinus peruanus, (2) the trans‐Andean Pimelodus grosskopfii; (3) Pimelodus maculatus clade with species from the Brazilian Shield in southeastern Brazil; and (4) Pimelodus blochii clade composed by species from the Amazon, Orinoco, Paraná‐Paraguay, Parnaíba, São Francisco and coastal drainages of the Guiana Shield. The P. maculatus clade is composed by phenotypically diverse species, and the P. blochii clade houses species morphologically similar that appear nested within the widely distributed P. blochii.

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鲶科鲦鱼属的系统发生组学支持对鲦鱼科（Sorubiminae）和鲦鱼属（Pimelodinae）（远洋鱼类，丝形目）的确认

鲦鱼科（Pimelodidae）是一个大型鲶科，共有 116 个有效物种，分为 30 个属，分布于新热带地区。尽管近来对鲦鱼科系统发育的了解有所进展，但一些内部关系仍不清楚，各种系统发育分析对其支持有限。我们提供了一个新的基因组数据集，其中包括 55 个物种，代表了笙科 25 属以及相关的硅形科 Aspredinidae、Auchenipteridae、Cetopsidae、Doradidae、Diplomystidae、Heptapteridae、Loricariidae 和 Pseudopimelodidae。我们的系统发育分析支持鲦鱼科的单系性，以及四个主要支系的存在：Steindachneridion支系、Leiarius + Phractocephalus支系，以及两个主要亚支系，分别归入Sorubiminae和Pimelodinae。我们的拓扑结构将 Phractocephalus 与 Leiarius 分为姊妹，这与以前的系统发生不同。在 Sorubiminae 中，Zungaro 是两个大支系的姐妹支系：一个支系包括 Sorubim、Sorubimichthys 和 Pseudoplatystoma，另一个支系包括 Hemisorubim、Platysilurus、Platystomatichthys、Brachyplatystoma 和 Hypophthalmus。在 Pimelodinae 中，我们发现 Pimelodus ornatus 支系、犊鼻支系以及 Exallodontus、Propimelodus 和 Pimelodus altissimus 支系更接近 Pimelodus 群。Parapimelodus、Duopalatinus、Iheringichthys 和 Bergiaria 属于 Pimelodus 类。Pimelodus 类包括四个主要部分：(1) Duopalatinus peruanus；(2) 跨安第斯山脉的 Pimelodus grosskopfii；(3) Pimelodus maculatus 支系，包括巴西东南部巴西地盾的物种；(4) Pimelodus blochii 支系，由亚马逊河、奥里诺科河、巴拉那河-巴拉圭河、帕尔奈巴河、圣弗朗西斯科河和圭亚那地盾沿海流域的物种组成。P. maculatus 支系由表型各异的物种组成，P. blochii 支系包含形态相似的物种，这些物种似乎嵌套在分布广泛的 P. blochii 中。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464