Experimental study of transgenerational effects, pH and predation risk on byssus production in a swiftly spreading invasive fouling Asian mussel, Musculista senhousia (Benson)

Zhao, Liqiang; Liang, Jian; Liang, Junping; Liu, Baozhan; Deng, Yuewen; Sun, Xin; Li, Hui; Lu, Yitong; Yang, Feng

doi:10.1016/j.envpol.2020.114111

Cited by 10 publications

(2 citation statements)

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“…To evaluate the impact of heatwaves on mussel byssus production, 15 mussels were randomly selected from each experimental system, and the number of byssal threads secreted by each mussel was counted with a stereomicroscope, and the diameter and length of corresponding byssal threads were then measured using an electronic caliper. Since the byssal thread is approximately cylindrical, its volume was calculated from its length and diameter (Zhao et al, 2020;Xu et al, 2023b). The ultrastructure of byssal threads and adhesive plaque was observed under electron microscope.…”

Section: Byssus Quantitative and Qualitative Analysismentioning

confidence: 99%

“…Biological invasion represents one of the most urgent ecological threats to global biodiversity (Bellard et al, 2017). Especially, the swiftly spreading invasive mytilid mussels have caused serious fouling issues in intertidal ecosystems worldwide, affecting the local biodiversity, fishery productivity and ecosystem functioning (Amini et al, 2017;Zhao et al, 2020). Charru mussels, Mytella strigata, native to the Atlantic coast of South America from Venezuela to Argentina, represent one of the most typically invasive fouling mytilid species (Sanpanich and Wells, 2019).…”

Section: Introductionmentioning

confidence: 99%

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Heatwaves hinder mussel invasion by weakening byssus production

Xu,

Yang,

Liu

et al. 2023

Front. Mar. Sci.

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Heatwaves and bioinvasion are among the most pressing ecological issues worldwide. The highly invasive South American mussels (Mytella strigata) can construct extremely dense byssal mats in intertidal habitats they invade, causing serious threats to local biodiversity and ecosystems. Yet, little is known about whether intensifying heatwaves might facilitate their invasions. Here, we investigated how the byssus production of M. strigata responds to heatwaves scenarios that have frequently occurred in recent years in the South China Sea. Compared with those grown at ambient temperature, mussels exposed to simulation heatwaves secreted significantly lowered number, length, and diameter of byssal threads, and exhibited significant impairments in the adhesion of byssus. Differential expressions of key genes involved in byssus production (e.g., foot protein gene, cell apoptosis gene, extracellular matrix-receptor interaction gene, and neuroactive ligand-receptor interaction gene) offered deeper insights into heatwaves-induced physiological changes in byssal gland. These results can provide an improved understanding of responses of mussel byssus production to intensifying heatwaves and take a major leap forward in examining the dispersal of highly invasive species in a rapidly warming ocean.

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Section: Byssus Quantitative and Qualitative Analysismentioning

confidence: 99%