Orb-weaving spider Araneus ventricosus genome elucidates the spidroin gene catalogue

Nobuaki Kono, Hiroyuki Nakamura, Rintaro Ohtoshi, Daniel A.Pedrazzoli Moran, Asaka Shinohara, Yuki Yoshida, Masayuki Fujiwara, Masaru Mori, Masaru Tomita, Kazuharu Arakawa

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Members of the family Araneidae are common orb-weaving spiders, and they produce several types of silks throughout their behaviors and lives, from reproduction to foraging. Egg sac, prey capture thread, or dragline silk possesses characteristic mechanical properties, and its variability makes it a highly attractive material for ecological, evolutional, and industrial fields. However, the complete set of constituents of silks produced by a single species is still unclear, and novel spidroin genes as well as other proteins are still being found. Here, we present the first genome in genus Araneus together with the full set of spidroin genes with unamplified long reads and confirmed with transcriptome of the silk glands and proteome analysis of the dragline silk. The catalogue includes the first full length sequence of a paralog of major ampullate spidroin MaSp3, and several spider silk-constituting elements designated SpiCE. Family-wide phylogenomic analysis of Araneidae suggests the relatively recent acquisition of these genes, and multiple-omics analyses demonstrate that these proteins are critical components in the abdominal spidroin gland and dragline silk, contributing to the outstanding mechanical properties of silk in this group of species.

Original languageEnglish
Article number8380
JournalScientific reports
Volume9
Issue number1
DOIs
Publication statusPublished - 2019 Dec 1

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Spiders
Silk
Genome
Genes
Proteome
Transcriptome
Reproduction
Ovum
Proteins

ASJC Scopus subject areas

  • General

Cite this

Orb-weaving spider Araneus ventricosus genome elucidates the spidroin gene catalogue. / Kono, Nobuaki; Nakamura, Hiroyuki; Ohtoshi, Rintaro; Moran, Daniel A.Pedrazzoli; Shinohara, Asaka; Yoshida, Yuki; Fujiwara, Masayuki; Mori, Masaru; Tomita, Masaru; Arakawa, Kazuharu.

In: Scientific reports, Vol. 9, No. 1, 8380, 01.12.2019.

Research output: Contribution to journalArticle

Kono, N, Nakamura, H, Ohtoshi, R, Moran, DAP, Shinohara, A, Yoshida, Y, Fujiwara, M, Mori, M, Tomita, M & Arakawa, K 2019, 'Orb-weaving spider Araneus ventricosus genome elucidates the spidroin gene catalogue', Scientific reports, vol. 9, no. 1, 8380. https://doi.org/10.1038/s41598-019-44775-2
Kono N, Nakamura H, Ohtoshi R, Moran DAP, Shinohara A, Yoshida Y et al. Orb-weaving spider Araneus ventricosus genome elucidates the spidroin gene catalogue. Scientific reports. 2019 Dec 1;9(1). 8380. https://doi.org/10.1038/s41598-019-44775-2
Kono, Nobuaki ; Nakamura, Hiroyuki ; Ohtoshi, Rintaro ; Moran, Daniel A.Pedrazzoli ; Shinohara, Asaka ; Yoshida, Yuki ; Fujiwara, Masayuki ; Mori, Masaru ; Tomita, Masaru ; Arakawa, Kazuharu. / Orb-weaving spider Araneus ventricosus genome elucidates the spidroin gene catalogue. In: Scientific reports. 2019 ; Vol. 9, No. 1.
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