Monica Saldarriaga

• PhD
• Universidad Bernardo O'Higgins

[This corrects the article DOI: 10.1371/journal.pone.0298896.].

Dermasopticemia bacteriana en rana

This report presents a case of dermatosepticemia in ten wild leopard frogs (Rana pipiens complex) captured in Mexico, where the presence of Aeromonas hydrophila was confirmed. This polyphasic study included macroscopic, microbiological, histological, and molecular analyses. Externally, the specimens exhibited erythema, hemorrhage, and erosions on v...

Background: Micrurus mipartitus is a coral snake of public health concern in Colombia. Its venom is mainly composed of three-finger toxins (3FTxs), Mipartoxin-1 being the most abundant protein partially responsible for its lethal effect. In this work, we present the production of Mipartoxin-1 in a recombinant form and evaluate its immunogenic poten...

We present the draft genome sequences of six Flavobacterium psychrophilum isolates recovered from diseased coho salmon (Oncorhynchus kisutch) cultured by two farms in Chile. This study provides the first detailed insights into the genomic characteristics of this fish pathogen recovered from a host with limited information and cultured in Chile.

Strain T-12 T , an orange, Gram-stain-negative, non-motile, rod-shaped strain, was isolated in November 2013 from water samples collected from an Atlantic salmon ( Salmo salar ) fry culturing system at a fish farm in Chile. Phylogenetic analysis based on 16S rRNA sequences (1394 bp) revealed that strain T-12 T belonged to the genus Flavobacterium ,...

Kunitz-type peptide expression has been described in the venom of snakes of the Viperidae, Elapidae and Colubridae families. This work aimed to identify these peptides in the venom gland transcriptome of the coral snake Micrurus mipartitus. Transcriptomic analysis revealed a high diversity of venom-associated Kunitz serine protease inhibitor protei...

Starch residue analysis was carried out on stone tools recovered from the bottom layer of the Anakena site on Rapa Nui (Easter Island). These deposits have been dated to AD 1000–1300 AD and so far, represent the earliest evidence of human settlement on this island. Twenty obsidian tools were analyzed. Analysis of 46 starch grains recovered from 20...

The phylogeny of the genus Pelecorhynchus Macquart (Diptera: Pelecorhynchidae) was analyzed using three genes, cytochrome oxidase I, 28S ribosomal DNA, and CAD5, with 112 morphological characteristics. A total of 59 specimens (13 outgroups and 46 ingroups) were included in the analysis. The monophyly of Pelecorhynchidae was recovered under all anal...

Strain PVT-9a T , a novel Gram-stain-negative, aerobic, non-spore-forming, motile-by-gliding and rod-shaped bacterium, was isolated from a skin lesion of Atlantic salmon ( Salmo salar L.) during a tenacibaculosis outbreak that occurred in 2016 at a Chilean fish farm. Phylogenetic analysis based on 16S rRNA gene sequencing confirmed that strain PVT-...

Iron uptake during infection is an essential pathogenicity factor of several bacteria, including Tenacibaculum dicentrarchi, an emerging pathogen for salmonid and red conger eel (Genypterus chilensis) farms in Chile. Iron-related protein families were recently found in eight T. dicentrarchi genomes, but biological studies have not yet confirmed fun...

Broussonetia papyrifera (L.) L.’ Hér. ex Vent. o morera de papel es la especie menos común y la más desconocida de la familia de las Moráceas en Chile. En tres parques de la capital, Santiago, existen algunos ejemplares cultivados como ornamentales. Se trata de una especie originaria del este y del sureste de Asia que fue dispersada por acción antr...

Here, we present the draft genome sequence of Tenacibaculum haliotis strain RA3-2T (i.e., KCTC 52419T and NBRC 112382T), isolated from Korean wild abalone (Haliotis discus hannai). As the only strain for this Tenacibaculum species worldwide, the information is of use for comparative genomic analyses delineating Tenacibaculum species.

Tenacibaculosis is an emerging disease that severely affects salmonid farming in Chile, producing high mortalities and causing great economic losses. This work describes a novel PCR assay for the specific detection of Tenacibaculum piscium, a species recently described and identified in tenacibaculosis outbreaks in Norway and Chile. The designed pr...

Myotis is the most diverse genus of bats in the world, with more than 30 species recognized in the Neotropics. However, many of these species represent cryptic complexes and are evidence of the existence of hidden diversity in several regions. Using an integrative approach based on molecular, morphological, and bioacoustic data, we performed a syst...

We present the draft genome sequence of Tenacibaculum ovolyticum isolate To-7Br, recovered from a gill of a farmed specimen of Atlantic salmon ( Salmo salar ) showing signs of tenacibaculosis. This study provides the first detailed insights into the genomic characteristics of T. ovolyticum isolated for the first time from fish farmed in Chile.

Tenacibaculum piscium, a Gram‐negative bacterium isolated from the skin ulcers of sea‐farmed fish, has only been described in Norway. In the present study, we examined 16 Chilean Tenacibaculum isolates recovered from different organs in moribund and dead Atlantic salmon (Salmo salar), Rainbow trout (Oncorhynchus mykiss), and Coho salmon (Oncorhynch...

Renibacterium salmoninarum, a Gram‐positive intracellular pathogen, is the causative agent of bacterial kidney disease (BKD), the impacts of which are high mortalities and economic losses for the salmon industry. This study provides novel analyses for the whole‐genome sequences of 50 R. salmoninarum isolates and the reference strain ATCC 33209 usin...

Tenacibaculum dicentrarchi is an emerging pathogen for salmonid cultures and red conger eel (Genypterus chilensis) in Chile, causing high economic losses not only in Chile but also to the global salmon industry. Infected fish show severe gross skin lesions that are sometimes accompanied by bone exposure. Despite pathogenicity demonstrated by Koch's...

Background: Scorpions are widely known for the neurotoxic effects of their venoms, which contain peptides affecting ionic channels. Although Colombia is recognized for its scorpion diversity, only a few studies are available describing the venom content. Methods: In this descriptive study, we analyzed the MS/MS sequence, electrophoretic and chro...

Nowadays, spider venom research focuses on the neurotoxic activity of small peptides. In this study, we investigated high-molecular-mass compounds that have either enzymatic activity or housekeeping functions present in either the venom gland or venom of Pamphobeteus verdolaga. We used proteomic and transcriptomic-assisted approaches to recognize t...

Snow algae play crucial roles in cold ecosystems, however, many aspects related to their biology, adaptations and especially their diversity are not well known. To improve the identification of snow algae from colored snow, in the present study we used a polyphasic approach to describe a new Antarctic genus, Chlorominima with the species type Chlor...

The present study reports on the first isolation of Tenacibaculum maritimum in rainbow trout (Oncorhynchus mykiss) farmed in Chile. In March 2020, two cages raising rainbow trout (~250 g) in the Los Lagos Region suffered a disease outbreak. In total, 17,554 fish died (3.5%–4.8% accumulated mortality). Microbiological analysis of the diseased fish o...

The top-down suppression of pest insects by their natural enemies, such as insectivorous bats, represents an important ecosystem service in agricultural systems. Recognizing the importance of bats to suppress pest populations and further conserve their populations near agricultural systems could reduce damage to crops thereby potentially increasing...

The success and sustainability of Chilean aquaculture largely depends on the control of endemic and emerging pathogens, including several species of the genus Tenacibaculum. Tenacibaculum dicentrarchi and “Tenacibaculum finnmarkense” have been detected and confirmed in Chilean Atlantic salmon (Salmo salar). However, no outbreaks of tenacibaculosis...

Humans introduced paper mulberry (Broussonetia papyrifera) from Taiwan into the Pacific over 5000 years ago as a fiber source to make barkcloth textiles that were, and still are, important cultural artifacts throughout the Pacific. We have used B. papyrifera, a species closely associated to humans, as a proxy to understand the human settlement of t...

Pamphobeteus verdolaga is a recently described Theraphosidae spider from the Andean region of Colombia. Previous reports partially characterized its venom profile. In this study, we conducted a detailed analysis that includes reversed-phase high-performance liquid chromatography (rp-HPLC), calcium influx assays, tandem mass spectrometry analysis (t...

Paper mulberry, Broussonetia papyrifera (L.) L’Hér. ex Vent. (Moraceae), a dioecious species, was transported by humans from Taiwan to the islands of Remote Oceania. Its introduction and cultivation in Remote Oceania was intentional due to its cultural importance as a fiber source for barkcloth textiles. The aim of this study was to explore the gen...

Paper mulberry, Broussonetia papyrifera (L.) L'Hé r. ex Vent. (Moraceae), a dioecious species , was transported by humans from Taiwan to the islands of Remote Oceania. Its introduction and cultivation in Remote Oceania was intentional due to its cultural importance as a fiber source for barkcloth textiles. The aim of this study was to explore the g...

Piscirickettsia salmonisis the causative bacterial pathogen of piscirickettsiosis, a salmonid disease that causes notable mortalities in the worldwide aquaculture industry. Published research describes the phenotypic traits, virulence factors, pathogenicity and antibiotic‐resistance potential for various P. salmonisstrains. However, evolutionary an...

Background Acanthamoeba spp. are the causative agents of a severe keratitis occurring mainly in contact lens wearers. The genus comprises more than 24 species that are currently divided into 20 different genotypes (T1-T20) according to sequence variations in the 18S rRNA gene. The objective of this study was to identify the genotypes and sub-genoty...

Background: Life diversifies via adaptive radiation when natural selection drives the evolution of ecologically distinct species mediated by their access to novel niche space, or via non-adaptive radiation when new species diversify while retaining ancestral niches. However, while cases of adaptive radiation are widely documented, examples of non-...

Chemical communication plays a pivotal role in shaping sexual and ecological interactions among animals. In lizards, fundamental mechanisms of sexual selection such as female mate choice have rarely been shown to be influenced by quantitative phenotypic traits (e.g., ornaments), while chemical signals have been found to potentially influence multip...

The uplift and final connection of the Central American land bridge is considered the major event that allowed biotic exchange between vertebrate lineages of northern and southern origin in the New World. However, given the complex tectonics that shaped Middle America, there is still substantial controversy over details of this geographical reconne...

Specimens examined. Accession Numbers With Asterisks Are Sequences Obtained Of GeneBank. (DOCX)

Aim The evolution of key innovations promotes adaptive radiations by opening access to new ecological opportunity. The acquisition of viviparity (live‐bearing reproduction) has emerged as one such innovation explaining reptile proliferations into extreme climates. By evolving viviparity, females provide embryos with internally stable environments t...

Se emplearon análisis morfométricos tradicionales para cuantificar las diferencias en la variación morfológica entre Bothrops atrox y Bothrops asper, cuya posición taxonómica es controversial. Para ello se examinaron doce hembras y dieciséis machos B. atrox y diecinueve hembras y once machos B. asper. Se seleccionó un conjunto de cinco distancias e...

La especie Tityus fuhrmanni fue descrita en 1914 por Kraepelin para el municipio de Angelópolis, pero en la actualidad su rango de distribución se amplía a los municipios del Valle de Aburrá. El objetivo de este trabajo fue estudiar algunos aspectos biológicos y ecológicos (hábitat, microhábitat, desarrollo posembrionario) del escorpión Tityus fuhr...