Publications by authors named "M Prado-Alvarez"

Cephalopods have been considered enigmatic animals that have attracted the attention of scientists from different areas of expertise. However, there are still many questions to elucidate the way of life of these invertebrates. The aim of this study is to construct a reference transcriptome in Octopus vulgaris early life stages to enrich existing databases and provide a new dataset that can be reused by other researchers in the field.

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The ostreid herpes virus (OsHV-1), associated with massive mortalities in the bivalve Crassostrea gigas, was detected for the first time in the cephalopod Octopus vulgaris. Wild adult animals from a natural breeding area in Spain showed an overall prevalence of detection of 87.5% between 2010 and 2015 suggesting an environmental source of viral material uptake.

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European populations of the native flat oyster, Ostrea edulis, have been heavily depleted by two protozoan parasites, Marteila refringens and Bonamia ostreae, with mortalities of up to 90% reported in naïve populations. However, in studies carried out over a 10-year period, researching the parasite-host relationship of B. ostreae and O.

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Article Synopsis
  • Bonamia ostreae is a parasite causing high mortality in flat oysters (Ostrea edulis) since the 1970s, while Pacific oysters (Crassostrea gigas) show resistance to the disease.
  • This study examined the effects of mucus from both oyster species on B. ostreae, revealing that mucus increased parasite mortality and esterase activity.
  • Mucus from O. edulis contained immune-related proteins that may help combat the parasite, whereas C. gigas had different antioxidant and stress-related proteins, indicating species-specific immune adaptations.
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Common octopus, Octopus vulgaris, is an economically important cephalopod species. However, its rearing under captivity is currently challenged by massive mortalities previous to their juvenile stage due to nutritional and environmental factors. Dissecting the genetic basis and regulatory mechanism behind this mortality requires genomic background knowledge.

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