The Scaly-foot Snail genome and implications for the origins of biomineralised armour

Autor: Weipeng Zhang, Wai Chuen Wong, Hiromi Watanabe, Chong Chen, Jack C.H. Ip, Runsheng Li, Norio Miyamoto, Ting Xu, Jian-Wen Qiu, Yoshihiro Takaki, Kazuho Ikeo, Yi Lan, Jin Sun, Yanan Sun, Kazutoshi Yoshitake, Nobuyuki Fujii, Pei-Yuan Qian, Dass Bissessur, Julia D. Sigwart, Tomo-o Watsuji, Ken Takai
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Nature Communications, Vol 11, Iss 1, Pp 1-12 (2020)
Sun, J, Chen, C, Miyamoto, N, Li, R, Sigwart, J D, Xu, T, Sun, Y, Wong, W C, Ip, J C H, Zhang, W, Lan, Y, Bissessur, D, Watsuji, T O, Watanabe, H K, Takaki, Y, Ikeo, K, Fujii, N, Yoshitake, K, Qiu, J W, Takai, K & Qian, P Y 2020, ' The Scaly-foot Snail genome and implications for the origins of biomineralised armour ', Nature Communications, vol. 11, no. 1, 1657 . https://doi.org/10.1038/s41467-020-15522-3
Nature Communications
ISSN: 2041-1723
Popis: The Scaly-foot Snail, Chrysomallon squamiferum, presents a combination of biomineralised features, reminiscent of enigmatic early fossil taxa with complex shells and sclerites such as sachtids, but in a recently-diverged living species which even has iron-infused hard parts. Thus the Scaly-foot Snail is an ideal model to study the genomic mechanisms underlying the evolutionary diversification of biomineralised armour. Here, we present a high-quality whole-genome assembly and tissue-specific transcriptomic data, and show that scale and shell formation in the Scaly-foot Snail employ independent subsets of 25 highly-expressed transcription factors. Comparisons with other lophotrochozoan genomes imply that this biomineralisation toolkit is ancient, though expression patterns differ across major lineages. We suggest that the ability of lophotrochozoan lineages to generate a wide range of hard parts, exemplified by the remarkable morphological disparity in Mollusca, draws on a capacity for dynamic modification of the expression and positioning of toolkit elements across the genome.
The Scaly-foot Snail, Chrysomallon squamiferum, is a model for understanding the evolution of biomineralised armour. Here, the authors present a chromosome-level reference genome assembly and tissue-specific transcriptomic data for this enigmatic organism.
Databáze: OpenAIRE