Biologia da broca-do-livro Tricorynus herbarius (Gorham) (Coleoptera: Anobiidae) em duas dietas diferentes

Silva, Carolina R.; Anjos, Norivaldo dos; Serrão, José Éduardo

doi:10.1590/s1519-566x2004000600003

Cited by 3 publications

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References 4 publications

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“…Even literature cannot escape bostrichoids—a few species are able to thrive on the internal pages of books and are thought to be the original “bookworms” [ 175 ]. Tricorynus herbarius (Mexican book beetle) in particular is especially damaging, in one library it was responsible for damaging nearly 66% of the rare book collection [ 176 ]. Altogether, Bostrichoidea represents one of the most destructive lineages of insects, not only to food supplies, but also to human cultural artifacts and can become incredibly destructive pests of museum and herbarium collections, destroying historical documents, wood products and textiles [ 35 , 57 ].…”

Section: Beyond the Symbioses Of Drugstore And Cigarette Beetlesmentioning

confidence: 99%

Rediscovering a Forgotten System of Symbiosis: Historical Perspective and Future Potential

Martinson

2020

Genes

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While the majority of symbiosis research is focused on bacteria, microbial eukaryotes play important roles in the microbiota and as pathogens, especially the incredibly diverse Fungi kingdom. The recent emergence of widespread pathogens in wildlife (bats, amphibians, snakes) and multidrug-resistant opportunists in human populations (Candida auris) has highlighted the importance of better understanding animal–fungus interactions. Regardless of their prominence there are few animal–fungus symbiosis models, but modern technological advances are allowing researchers to utilize novel organisms and systems. Here, I review a forgotten system of animal–fungus interactions: the beetle–fungus symbioses of Drugstore and Cigarette beetles with their symbiont Symbiotaphrina. As pioneering systems for the study of mutualistic symbioses, they were heavily researched between 1920 and 1970, but have received only sporadic attention in the past 40 years. Several features make them unique research organisms, including (1) the symbiont is both extracellular and intracellular during the life cycle of the host, and (2) both beetle and fungus can be cultured in isolation. Specifically, fungal symbionts intracellularly infect cells in the larval and adult beetle gut, while accessory glands in adult females harbor extracellular fungi. In this way, research on the microbiota, pathogenesis/infection, and mutualism can be performed. Furthermore, these beetles are economically important stored-product pests found worldwide. In addition to providing a historical perspective of the research undertaken and an overview of beetle biology and their symbiosis with Symbiotaphrina, I performed two analyses on publicly available genomic data. First, in a preliminary comparative genomic analysis of the fungal symbionts, I found striking differences in the pathways for the biosynthesis of two B vitamins important for the host beetle, thiamine and biotin. Second, I estimated the most recent common ancestor for Drugstore and Cigarette beetles at 8.8–13.5 Mya using sequence divergence (CO1 gene). Together, these analyses demonstrate that modern methods and data (genomics, transcriptomes, etc.) have great potential to transform these beetle–fungus systems into model systems again.

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