Dataset of the complete mitogenomes of Galaxea (Scleractinia: Euphyllidae)

IF 1 Q3 MULTIDISCIPLINARY SCIENCES

Data in Brief Pub Date : 2024-10-22 DOI:10.1016/j.dib.2024.111060

Zhangwang Lu , Liwei Li , Zhiying Lu, Chengchong Fu, Jun Wang, Yan Wang

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Abstract

Galaxea is a genus of colonial stony corals that are widely distributed in the Indian and Pacific Oceans. According to the differences of microbasic p-mastigophore (MpM) nematocysts and mitochondrial haplotype, four types (type S, type H, type M and type S+) were identified in this genus. There is significant genetic differentiation among those types and they belong to distinct branches in the Maximum likelihood tree, therefore they conform to the primary species hypotheses (PSHs) and the whole Galaxea might be a species complex. Here we present the assembly and annotation of eleven mitogenomes of the four types and used the dataset to explore their phylogeny. The eleven Galaxea mitogenomes all contained the same 13 PCGs (protein-coding genes) and two rRNA genes as the published mitogenome of G. fascicularis (GenBank No NC_029696). However, the length of mitogenomes of distinct types varies because there are two characteristic indels in the mitogenomes, one is located at the intergenic region (IGR) of CYTB-ND2 and the other is located at the IGR of COX1-trnM. The phylogenetic analysis based on 13 PCGs showed that type S/M, type H and type S+ clustered into three separate clades. These mitogenomes will be valuable for better understanding the phylogeny, speciation, and differentiation of the Galaxea species complex.

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Galaxea （硬骨鱼纲：大戟科）完整的有丝分裂基因组数据集

石珊瑚属（Galaxea）是一种殖民地石珊瑚，广泛分布于印度洋和太平洋。根据微基 p-astigophore（MpM）线粒体和线粒体单倍型的差异，该属确定了四种类型（S 型、H 型、M 型和 S+ 型）。这些类型之间存在明显的遗传分化，在最大似然树中属于不同的分支，因此它们符合主要物种假说（PSHs），整个 Galaxea 可能是一个物种复合体。在此，我们对四种类型的11个有丝分裂基因组进行了组装和注释，并利用该数据集探讨了它们的系统发育。与已发表的G. fascicularis有丝分裂基因组（GenBank No NC_029696）一样，这11个Galaxea有丝分裂基因组均含有13个PCGs（蛋白质编码基因）和2个rRNA基因。但是，不同类型的有丝分裂基因组的长度不尽相同，因为有丝分裂基因组中有两个特征性的吲哚，一个位于 CYTB-ND2 的基因间区（IGR），另一个位于 COX1-trnM 的基因间区（IGR）。基于 13 个 PCG 的系统发育分析表明，S/M 型、H 型和 S+ 型聚成了三个独立的支系。这些有丝分裂基因组将对更好地了解 Galaxea 种群的系统发育、物种形成和分化具有重要价值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Data in Brief MULTIDISCIPLINARY SCIENCES-

CiteScore

3.10

自引率

0.00%

发文量

996

审稿时长

70 days

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