Lista actualizada de los mamíferos vivientes de Chile

D’Elı́a, Guillermo; Canto, Jhoann; Ossa, Gonzalo; Verde-Arregoitia, Luis Darcy; Bostelmann, Enrique; Iriarte, Agustín; Amador, Luis Javier Aparicio; Quiroga-Carmona, Marcial; Hurtado, Natalí; Cadenillas, Richard; Valdez, Lourdes

doi:10.54830/bmnhn.v69.n2.2020.6

Cited by 12 publications

(5 citation statements)

References 53 publications

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“…Our finding highlights the value of conducting surveys in inaccessible, poorly explored regions of South America, and suggests that the Andean Altiplano is a region where increased survey work can yield important biodiversity information and surprising new discoveries for native small mammals (Storz et al 2020(Storz et al , 2023Rengifo et al 2022). With our new record of Punomys, the number of living mammal species and genera in Chile now stands at 170 and 88, respectively (D'Elía et al 2020;Rodríguez-San Pedro et al 2022Quiroga-Carmona et al 2023). Recent additions to the Chilean mastofauna have been based on descriptions of new species (e.g., Abrothrix manni and Dromiciops bozinovici and D. mondaca; D' Elía et al 2015Elía et al , 2016a, as well as range extensions for previously described species (e.g., Eumops perotis, Histiotus laephotis, Notiomys edwardsii, Nyctinomops aurispinosus, Oligoryzomys flavescens; Ossa et al 2015;D'Elía et al 2016b;Rodríguez-San Pedro et al 2022Quiroga-Carmona et al 2023).…”

Section: Discussionmentioning

confidence: 65%

Section: Discussionmentioning

confidence: 98%

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Elevational range extension of the Puna Mouse, Punomys (Cricetidae), with the first record of the genus from Chile

Quiroga-Carmona

Storz

D’Elı́a

2023

Journal of Mammalogy

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We report an elevational record for the Andean sigmodontine Puna Mouse Punomys, which is also the first record of the genus in Chile. The record is based on a mummified specimen that we discovered at an elevation of 5,461 m (17,917 feet) in the caldera of Volcán Acamarachi, Región de Antofagasta, Chile. Results of a morphological assessment suggest that the specimen can be provisionally referred to the species P. lemminus. This new record also extends the known geographic distribution of the genus by 700 km to the south and brings the known Chilean mammal richness to a total of 170 living species and 88 genera. This finding highlights the need for increased survey efforts in more remote, high-elevation regions and demonstrates that there is still much to be learned about the mammal fauna of the Andean Altiplano.

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Section: Discussionmentioning

confidence: 65%

Section: Discussionmentioning

confidence: 98%

Elevational range extension of the Puna Mouse, Punomys (Cricetidae), with the first record of the genus from Chile

Quiroga-Carmona

Storz

D’Elı́a

2023

Journal of Mammalogy

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“…Nevertheless, both species have documented hantavirus infections in Chile (Lobos et al., 2005 ). The rodent species names and taxonomic standing that we included are according to the ITIS and may not represent recent advances in Chilean rodent taxonomy (D'Elía et al., 2020 ). A comprehensive dataset geographic ranges would improve our understanding of hantavirus transmission dynamics.…”

Section: Discussionmentioning

confidence: 99%

Estimating pathogen‐spillover risk using host–ectoparasite interactions

Brennan,

Paulson,

Escobar

2024

Ecology and Evolution

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Pathogen spillover corresponds to the transmission of a pathogen or parasite from an original host species to a novel host species, preluding disease emergence. Understanding the interacting factors that lead to pathogen transmission in a zoonotic cycle could help identify novel hosts of pathogens and the patterns that lead to disease emergence. We hypothesize that ecological and biogeographic factors drive host encounters, infection susceptibility, and cross‐species spillover transmission. Using a rodent–ectoparasite system in the Neotropics, with shared ectoparasite associations as a proxy for ecological interaction between rodent species, we assessed relationships between rodents using geographic range, phylogenetic relatedness, and ectoparasite associations to determine the roles of generalist and specialist hosts in the transmission cycle of hantavirus. A total of 50 rodent species were ranked on their centrality in a network model based on ectoparasites sharing. Geographic proximity and phylogenetic relatedness were predictors for rodents to share ectoparasite species and were associated with shorter network path distance between rodents through shared ectoparasites. The rodent–ectoparasite network model successfully predicted independent data of seven known hantavirus hosts. The model predicted five novel rodent species as potential, unrecognized hantavirus hosts in South America. Findings suggest that ectoparasite data, geographic range, and phylogenetic relatedness of wildlife species could help predict novel hosts susceptible to infection and possible transmission of zoonotic pathogens. Hantavirus is a high‐consequence zoonotic pathogen with documented animal‐to‐animal, animal‐to‐human, and human‐to‐human transmission. Predictions of new rodent hosts can guide active epidemiological surveillance in specific areas and wildlife species to mitigate hantavirus spillover transmission risk from rodents to humans. This study supports the idea that ectoparasite relationships among rodents are a proxy of host species interactions and can inform transmission cycles of diverse pathogens circulating in wildlife disease systems, including wildlife viruses with epidemic potential, such as hantavirus.

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“…In Chile, there are 73 species of rodents, including native and exotic species that inhabit different ecosystems, and most belong to the Cricetidae family [ 10 ]. However, despite being considered the richest order of mammals in Chile [ 10 ], studies on their parasites have mostly focused on helminth and arthropod fauna [ 11 , 12 ], with few studies on their protozoa [ 8 , 13 , 14 ], including Trypanosoma cruzi [ 15 ]. Thus, to the best of our knowledge, Sarcocystis muris is the only report of a sarcocystid species parasitizing introduced rodents, Rattus sp.…”

Section: Introductionmentioning

confidence: 99%

Survey and Molecular Characterization of Sarcocystidae protozoa in Wild Cricetid Rodents from Central and Southern Chile

Oyarzún‐Ruiz

Thomas

Santodomingo

et al. 2023

Animals

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In Chile, studies of parasites from the family Sarcocystidae (Apicomplexa) have mostly been related to domestic animals. We aimed to assess the presence of Sarcocystidae taxa in cricetid rodents from Central and Southern Chile. We studied 207 rodents, encompassing six species, from 13 localities. We isolated DNA from tissue samples, amplified the Sarcocystidae 18S rRNA gene with polymerase chain reaction, and performed phylogenetic analyses using maximum likelihood and Bayesian inferences. In addition, we examined blood smears and performed histological studies in organs from Sarcocystidae DNA-positive animals. Three specimens were DNA-positive and three genotypes were retrieved and named: Sarcocystis sp. P61, related to Sarcocystis strixi, was detected in two Abrothrix olivacea. Toxoplasmatinae gen. sp. P99 was retrieved from those same two specimens, and was related to Toxoplasma and other genera, although it branched independently. Besnoitia sp. R34 was detected in one Abrothrix hirta, and was clustered with congeneric species associated with rodents. No protozoa were found during microscopic studies; thus, it was not possible to confirm parasitic interactions rather than accidental encounters. However, the close relatedness of the retrieved genotypes to parasites of rodents supports the hypothesis of host–parasite associations. All three genotypes are suggested as potential new taxa, including a putative new genus.

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Lista actualizada de los mamíferos vivientes de Chile

Cited by 12 publications

References 53 publications

Elevational range extension of the Puna Mouse, Punomys (Cricetidae), with the first record of the genus from Chile

Elevational range extension of the Puna Mouse, Punomys (Cricetidae), with the first record of the genus from Chile

Estimating pathogen‐spillover risk using host–ectoparasite interactions

Survey and Molecular Characterization of Sarcocystidae protozoa in Wild Cricetid Rodents from Central and Southern Chile

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