Effects of in vitro metamorphosis on survival, growth, and reproductive success of freshwater mussels

Douda, Karel; Haag, Wendell R.; Escobar-Calderón, Felipe; Vodáková, Barbora; Reichard, Martin; Chen, Xiubao; McGregor, Monte A.; Yang, Jian; Lopes‐Lima, Manuel

doi:10.1016/j.biocon.2021.108964

Cited by 8 publications

(3 citation statements)

References 32 publications

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“…Such methods have been shown to be successful to the extent that when glochidia were reared in vitro, no differences were observed when compared to those cultured using traditional in vivo methods. Furthermore, the young raised through in vitro methods were able to successfully produce progeny capable of infecting a fish host (Douda et al., 2021). These methods have been successful for a variety of mussel species; however, others remain difficult to raise in vitro (Lima et al., 2012).…”

Section: Discussionmentioning

confidence: 99%

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Novel Aquareovirus isolated from channel catfish (Ictalurus punctatus) used in mussel restoration efforts in Wisconsin

Leis,

Katona,

Dziki

et al. 2024

Journal of Fish Diseases

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Channel catfish (Ictalurus punctatus) are a food fish extensively reared in aquaculture facilities throughout the world and are also among the most abundant wild catfish species in North America, making them a popular target of anglers. Furthermore, channel catfish are important members of aquatic ecosystems; for example, they serve as a glochidial host for the endangered winged mapleleaf mussel (Quadrula fragosa), making them critical for conserving this species through hatchery‐based restoration efforts. During a routine health inspection, a novel aquareovirus was isolated from channel catfish used in mussel propagation efforts at a fish hatchery in Wisconsin. This virus was isolated on brown bullhead cells (ATCC CCL‐59) and identified through metagenomic sequencing as a novel member of the family Spinareoviridae, genus Aquareovirus. The virus genome consists of 11 segments, as is typical of the aquareoviruses, with phylogenetic relationships based on RNA‐dependent RNA polymerase and major outer capsid protein amino acid sequences showing it to be most closely related to golden shiner virus (aquareovirus C) and aquareovirus C/American grass carp reovirus (aquareovirus G) respectively. The potential of the new virus, which we name genictpun virus 1 (GNIPV‐1), to cause disease in channel catfish or other species remains unknown.

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Section: Discussionmentioning

confidence: 99%

“…subfamily Gammarhabdovirinae to infect a host other than a finfish(Goldberg et al, 2023) Goldberg et al (2023). hypothesized that transfer of viruses could occur during the glochidial stage where larval mussels are actively feeding on fish tissue/blood.…”

mentioning

confidence: 99%

Novel Aquareovirus isolated from channel catfish (Ictalurus punctatus) used in mussel restoration efforts in Wisconsin

Leis,

Katona,

Dziki

et al. 2024

Journal of Fish Diseases

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“…Increasing speed and potentially high‐capacity production of juveniles for extended periods in captivity, or the use of successive exclusively captive‐bred generations could select for traits that are adaptive to captive breeding larval conditions but non‐adaptive to the hosts and their behavior in the wild. These factors highlight the critical need for data to verify whether cultured mussels thrive and reproduce in the long term (Douda et al, 2021 ). Such verification is an integral part of conservation breeding activities in other taxa (e.g., Davis et al, 2020 ) but is not yet commonly performed on mussels.…”

Section: Theme: Population Dynamicsmentioning

confidence: 99%

Freshwater mussel conservation: A global horizon scan of emerging threats and opportunities

Aldridge

Ollard

Bespalaya

et al. 2022

Global Change Biology

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We identified 14 emerging and poorly understood threats and opportunities for addressing the global conservation of freshwater mussels over the next decade. A panel of 17 researchers and stakeholders from six continents submitted a total of 56 topics that were ranked and prioritized using a consensus-building Delphi technique. Our 14 priority topics fell into five broad themes (autecology, population dynamics, global stressors, global diversity, and ecosystem services) and included understanding diets How to cite this article:

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Hatcheries maintain high genetic variation but show shifts in genetic structure of progenies of five endangered riffleshell species (Epioblasma) (Bivalvia: Unionidae) of the eastern United States

Jones,

Ortiz,

Lane

et al. 2024

Aquatic Conservation

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We assessed genetic variation at mitochondrial DNA (mtDNA) and nuclear DNA microsatellites for progeny (i.e., juveniles produced at a hatchery) of five endangered Epioblasma species reared at three hatcheries in the eastern United States. The progeny of Epioblasma aureola, Epioblasma brevidens, Epioblasma obliquata and Epioblasma triquetra showed no loss of mtDNA haplotype diversity relative to broodstock (i.e., wild collected gravid females used to produce juveniles) and wildstock (i.e., individuals sampled in the wild to assess baseline genetic diversity), while progeny of Epioblasma capsaeformis showed no loss relative to broodstock but an ~50% loss relative to wildstock. At DNA microsatellites, mean expected heterozygosities (He) were maintained in wildstock, broodstock and progeny, with the lowest values observed in E. aureola and E. triquetra. Among progeny, values of He and allelic richness (A) at times exceeded those observed in the wildstock and broodstock. Hence, no loss of genetic variation at DNA microsatellites was observed in progeny among species. We documented multiple paternity in progeny of E. aureola, E. capsaeformis and E. obliquata and in part attribute their high He and A to fertilization of broodstock females by multiple males in the wild. We observed significant divergence in FST and D values between progeny to wildstock and progeny to broodstock. Most pairwise comparisons for E. brevidens and E. capsaeformis were significantly diverged, and for E. obliquata, divergence was low but also significantly different, and only for E. aureola was it low and nonsignificant. Our results showed that population genetic structure can develop quickly between progeny and their progenitors in the first generation (F1) of offspring produced from a set of parents and that genetic diversity at mtDNA and nuclear DNA microsatellites was generally maintained in progeny of endangered Epioblasma species reared at three mussel hatcheries utilizing current propagation practices.

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Effects of in vitro metamorphosis on survival, growth, and reproductive success of freshwater mussels

Cited by 8 publications

References 32 publications

Novel Aquareovirus isolated from channel catfish (Ictalurus punctatus) used in mussel restoration efforts in Wisconsin

Novel Aquareovirus isolated from channel catfish (Ictalurus punctatus) used in mussel restoration efforts in Wisconsin

Freshwater mussel conservation: A global horizon scan of emerging threats and opportunities

Hatcheries maintain high genetic variation but show shifts in genetic structure of progenies of five endangered riffleshell species (Epioblasma) (Bivalvia: Unionidae) of the eastern United States

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