In memoriam: a eulogy for Daniel González-Acuña, 1963-2020

Muñoz-Léal, Sebastián; Silva-De-La-Fuente, María Carolina; Barros-Battesti, Darci Moraes; Guglielmone, Alberto A.; Venzal, José M.; Nava, Stefano; Sepúlveda, Marı́a S.; Tkach, Vasyl V.; Kinsella, Michael; Fuentes‐Castillo, Danny; Llanos-Soto, Sebastián; Grandón-Ojeda, Alexandra; Celis, José Enrique; Espejo, Winfred; Jara-Carrasco, Solange; Azat, Claudio; Martins, Thiago F.; Labruna, Marcelo Bahia; Briceño, Cristóbal; Figueroa, Ricardo Antonio; Corales-Stappung, Soraya; Moreno, Lucila

doi:10.1590/s1984-29612021005

Cited by 3 publications

(2 citation statements)

References 1 publication

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“…DM-A is grateful for Grant ANID/BASAL FB210006. This paper is dedicated to the memory of Daniel González-Acuña, who made significant contributions to the study of parasites and the conservation of wildlife in Chile [ 77 ].…”

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confidence: 99%

Wild deer (Pudu puda) from Chile harbor a novel ecotype of Anaplasma phagocytophilum

et al. 2023

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Background Deer species play an important role in the enzootic cycles of several Anaplasma species. While in the Northern Hemisphere ticks of genus Ixodes are well recognized vectors of these intracellular bacteria, less is known regarding the biological cycles of Anaplasma spp. in South America. Methods Using PCR protocols and Sanger sequencing, we assessed the presence of Anaplasma spp. in blood and ticks collected on a native deer species (Pudupuda) from southern Chile. Results Based on phylogenetic analyses of the 16S rRNA, gltA and groEL genes and calculation of average sequence divergence for groEL, our results bring to light a novel genovariant of Anaplasmaphagocytophilum (named strain “Patagonia”). The strain represents a novel ecotype within the A. phagocytophilum species complex and was detected in both P.puda and their ticks. Using a larger matrix, denser taxon sampling and outgroup, our maximum-likelihood- and Bayesian-inferred phylogenies for groEL provide an accurate picture of the topology of A. phagocytophilum ecotypes and their evolutionary relationships. Conclusions This is the first report of an ecotype of A. phagocytophilum in South America. Our results provide novel insight into the genetic diversity and ecology of this complex of bacterial lineages. Further studies should elucidate the enzootic cycle of A. phagocytophilum strain “Patagonia” and assess its pathogenic potential for pudues, domestic animals and humans in the region. Graphical Abstract

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Section: Acknowledgementsmentioning

confidence: 99%

Wild deer (Pudu puda) from Chile harbor a novel ecotype of Anaplasma phagocytophilum

et al. 2023

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“…The authors thank the anonymous reviewers for their careful reading of our manuscript; their many insightful comments and suggestions improved the quality of the manuscript. The authors also thank Dr. Daniel González-Acuña, who participated in the sample collection (Muñoz-Leal et al 2021).…”

Section: Acknowledgmentsmentioning

confidence: 99%

Assessing the influence of Humboldt penguin (Spheniscus humboldti) by excrements on the levels of trace and rare earth elements in the soil

Celis¹,

Espejo

Padilha³

et al. 2022

Lat. Am. J. Aquat. Res.

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Rare earth elements (REE) and some transition metals (e.g. Nb) are a group of chemicals that have recently been widely used in industrial processes due to the increasing demand for new technologies. As a result, these chemicals are increasingly being released into the environment, which could mean that these pollutants could modify marine and terrestrial ecosystems. Seabirds, such as penguins, can biotransport pollutants and nutrients from the sea to land through excreta. However, there is no information about the role of the Humboldt penguin (Spheniscus humboldti) in bio-transporting emerging contaminants such as REE. This study aimed to assess any possible contribution of Humboldt penguins to the geochemical composition of some terrestrial areas. Excreta samples were collected from Chañaral Island, one of the most important sites in Chile for the conservation of Humboldt penguins. The results showed that this species tends to contribute to soil enrichment with REE (Ce, La, Nd, and Pr) and Nb through excreta, as well as with carbon. More studies are needed to see the potential impacts on the soil.

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An annotated catalogue of bird lice (Insecta: Phthiraptera) from Chile

GonzáLez-Acun

Palma

2021

Zootaxa

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The species and subspecies of chewing lice (Insecta: Phthiraptera: Amblycera, Ischnocera) parasitic on Chilean birds are listed and annotated, based on records published until October 2021 and from our examination of collections. The current scientific name, its taxonomic history, data on type material, type host, other hosts, geographic distribution within Chile and elsewhere, Chilean literature references and other significant references are given for each species or subspecies of lice. A total of four families, 76 genera, and 245 species and subspecies of lice are listed, including 17 species recorded as genus only, and 31 new records of species. A host-louse list—including a total of 155 bird species (146 native and nine introduced by human agency) belonging to 19 orders, 43 families and 107 genera—is also given.

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In memoriam: a eulogy for Daniel González-Acuña, 1963-2020

Cited by 3 publications

References 1 publication

Wild deer (Pudu puda) from Chile harbor a novel ecotype of Anaplasma phagocytophilum

Wild deer (Pudu puda) from Chile harbor a novel ecotype of Anaplasma phagocytophilum

Assessing the influence of Humboldt penguin (Spheniscus humboldti) by excrements on the levels of trace and rare earth elements in the soil

An annotated catalogue of bird lice (Insecta: Phthiraptera) from Chile

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