Lampshade Web Spider Ectatosticta Davidi Chromosome-level Genome Assembly Provides Evidence for Its Phylogenetic Position

Overview

Journal Commun Biol

Specialty Biology

Date 2023 Jul 18

PMID 37463957

Authors

Zheng Fan

Lu-Yu Wang

Lin Xiao

Bing Tan

Bin Luo

Tian-Yu Ren

Ning Liu

Zhi-Sheng Zhang

Ming Bai

Affiliations

Soon will be listed here.

Abstract

The spider of Ectatosticta davidi, belonging to the lamp-shade web spider family, Hypochilidae, which is closely related to Hypochilidae and Filistatidae and recovered as sister of the rest Araneomorphs spiders. Here we show the final assembled genome of E. davidi with 2.16 Gb in 15 chromosomes. Then we confirm the evolutionary position of Hypochilidae. Moreover, we find that the GMC gene family exhibit high conservation throughout the evolution of true spiders. We also find that the MaSp genes of E. davidi may represent an early stage of MaSp and MiSp genes in other true spiders, while CrSp shares a common origin with AgSp and PySp but differ from MaSp. Altogether, this study contributes to addressing the limited availability of genomic sequences from Hypochilidae spiders, and provides a valuable resource for investigating the genomic evolution of spiders.

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