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独居蜜蜂四节隧蜂(膜翅目,蜜蜂科)的基因组。

The genome of the solitary bee Tetrapedia diversipes (Hymenoptera, Apidae).

作者信息

Santos Priscila K F, de Souza Araujo Natalia, Françoso Elaine, Werren John H, Kapheim Karen M, Arias Maria Cristina

机构信息

Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, 277, CEP 05508-090, São Paulo, SP, Brazil.

Department of Biology, Utah State University, 5305 Old Main Hill, Logan, UT 84322, USA.

出版信息

G3 (Bethesda). 2025 Feb 5;15(2). doi: 10.1093/g3journal/jkae264.

Abstract

Tetrapedia diversipes is a Neotropical solitary bee commonly found in trap-nests, known for its morphological adaptations for floral oil collection and prepupal diapause during the cold and dry season. Here, we present the genome assembly of T. diversipes (332 Mbp), comprising 2,575 scaffolds, with 15,028 predicted protein-coding genes. Repetitive elements constitute 38.68% of the genome, notably Class II transposable elements. An investigation into lateral gene transfers identified a low frequency (0.037%) of nuclear copies of mitochondrial DNA and 18 candidate regions from bacterial origins. Furthermore, the annotation of 3 scaffolds reveals the presence of the Wolbachia endosymbiont genome, confirming the infection by 2 strains in T. diversipes populations. This genome contributes valuable insights into Neotropical bee genomics, offering a resource for comparative studies and enhancing our understanding of the molecular basis of solitary bee adaptations and interactions.

摘要

四节蜂(Tetrapedia diversipes)是一种新热带地区的独居蜜蜂,常见于诱捕巢中,以其在寒冷干燥季节收集花蜜的形态适应性和预蛹滞育而闻名。在此,我们展示了四节蜂的基因组组装(332兆碱基对),由2575个支架组成,预测有15028个蛋白质编码基因。重复元件占基因组的38.68%,特别是II类转座元件。对横向基因转移的研究发现线粒体DNA的核拷贝频率较低(0.037%),以及18个来自细菌起源的候选区域。此外,对3个支架的注释揭示了沃尔巴克氏体共生菌基因组的存在,证实了四节蜂种群中被2种菌株感染。该基因组为新热带地区蜜蜂基因组学提供了有价值的见解,为比较研究提供了资源,并增进了我们对独居蜜蜂适应性和相互作用分子基础的理解。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/426d/11797046/8dbb2e2f9b2e/jkae264f1.jpg

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