Man

Paulina Schmitt Rivera

Adjoint Professor

PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

Valparaiso, Chile

Líneas de Investigación


Microbiology and Immunology - Cellular Biology - Innate Immunity - Host-pathogen interactions

Educación

  •  Microbiologie et Parasitologie, University of Montpellier. Francia, 2010
  •  Marine Biology, UNIVERSIDAD DE VALPARAISO. Chile, 2002

Experiencia Académica

  •   Assistant Professor Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

    Faculty of Sciences

    Valparaiso, Chile

    2014 - 2020

  •   Postdoctoral Research Associate Full Time

    UNIVERSITY OF SOUTHERN CALIFORNIA

    OF MEDICINE

    Los Angeles, Estados Unidos

    2010 - 2012

  •   Postdoctoral Research Associate Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

    Faculty of Sciences

    Valparaiso, Chile

    2012 - 2014

  •   Profesor adjunto Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

    Ciencias

    Valparaiso, Chile

    2020 - A la fecha

Experiencia Profesional

  •   ASSISTANT PROFESSOR Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

    VALPARAISO, Chile

    2014 - A la fecha

Formación de Capital Humano


Teaching experience at Pontificia Universidad Católica de Valparaíso:

Undergraduate Courses
BIO 122 Cell Biology for the Biochemical Engineering program
BIO 1224 Research Unit 1 for the Bachelor's degree in Biology program
BIO 208 Immunology for the Biology and Natural Sciences program
BIO 505 Immunology for the Biochemistry program
BIO 1133 Molecular Biology for the Bachelor of Science program
BIO 336 Cellular Physiology for the Biochemistry program
BIO 131 Cell Biology for the Kinesiology program
BIO 328 Cell Biology for the Medical Technology program
BIO 1113 Cellular and Molecular Biology for the Medical Technology program

Graduate Courses
Participation in courses taught at the Master's Program in Microbiological Sciences, Institute of Biology:
BIO 700 Molecular Bases of Immune Response in Marine Invertebrates
BIO 760 Advanced Microbiological Sciences
BIO 761 Methods in Microbiological Sciences
BIO 703 Immunology in Pathogen-Host Interaction
BIO 1005 Antimicrobial Peptides

Participation in courses taught at the Doctorate Program in Aquaculture, cooperative program UCh/UCN/PUCV:
DAC 903 Molecular Biology of Pathogens and Immunity in Aquaculture
DAC 932 Computational Tools for Molecular Biology

Supervision of thesis and seminars:

Graduate:
1. March 2025: Effect of Biofloc Technology Farming on the Intestinal Bacterial Microbiota Composition and Immune Gene Expression in the Freshwater Shrimp Cryphiops caementarius.” Student: Elisa Torres Lagos. Doctorate in Biology and Applied Ecology, UCN (co-supervision).
2. January 2025: "Characterization of the antibacterial and immunomodulatory activity of antimicrobial effectors from the scallop Argopecten purpuratus and the effect of their administration on the survival of larvae exposed to the pathogen Vibrio bivalvicida." Student: Jormil Revilla. Doctorate in Aquaculture, cooperative program UCh/UCN/PUCV (co-supervision).
3. 2024: “Reasignación energética en ostiones juveniles frente a estresores múltiples asociados a surgencia: balance entre crecimiento y respuesta estrés-inmune”. Student: Antonia Jorquera. Master in Microbiological Sciences. Pontifical Catholic University of Valparaíso
4. 2024: “Caracterización de determinantes de virulencia de la bacteria patógena de ostiones Vibrio bivalvicida”. Student: Max Santelices. Master in Microbiological Sciences. Pontifical Catholic University of Valparaíso
5. 2024: "Characterization of probiotic bacterial strains associated with larvae of the scallop Argopecten purpuratus with a phenotype resistant to Vibrio bivalvicida." Student: Katherine Muñoz. Doctorate in Biotechnology, cooperative program PUCV/UTFSM.
6. 2023. “Expresión de genes inmunes en larvas del ostión Argopecten purpuratus como biomarcadores de susceptibilidad al patógeno Vibrio bivalvicida VPAP30”. Student: Eduardo Jeria. Master in Microbiological Sciences. Pontifical Catholic University of Valparaíso
7. 2020-present: "Characterization of bioactive peptides with antimicrobial activity derived from microalgae with potential for aquaculture." Student: Pabla Ugalde. Doctorate in Aquaculture, cooperative program UCh/UCN/PUCV (co-supervision).
8. 2022: "Analysis of the de novo transcriptome of hemocytes from the scallop Argopecten purpuratus and identification of novel antimicrobial peptides." Student: Felipe Stambuk. Master's in Microbiological Sciences. Pontifical Catholic University of Valparaíso.
9. 2022: "Identification of genes associated with the immune response throughout larval and post-larval development of the scallop Argopecten purpuratus and the effect of a diet rich in polyunsaturated fatty acids on their expression in response to the pathogenic bacterium Vibrio splendidus." Student: Isis Rojas. Doctorate in Aquaculture, cooperative program UCh/UCN/PUCV (co-supervision).
10. 2021: "Immune response effectors and their impact on the composition of bacterial microbiota in Argopecten purpuratus." Student: Roxana González. Doctorate in Aquaculture, cooperative program UCh/UCN/PUCV.
11. 2017: "Detection of pathogens responsible for infectious ocular keratitis in humans using multiple qPCR with fluorescent probes." Student: Helen Gutiérrez. Master's in Microbiological Sciences. Pontifical Catholic University of Valparaíso (co-supervision).
12. 2016: "Respiratory burst and its modulatory function on the expression of antimicrobial effectors in hemocytes of Argopecten purpuratus induced by pathogen-associated molecular patterns." Student: Daniel Oyanedel. Master's in Microbiological Sciences. Pontifical Catholic University of Valparaíso.
13. 2016: "Evaluation of the biological activity of synthetic peptides obtained from the microalgae Tetraselmis suecica." Student: Genezareth Wong. Master's in Microbiological Sciences. Pontifical Catholic University of Valparaíso (co-supervision).

Undergraduate:
1. 2022-2023: "Lipopolysaccharide-binding protein (LBP) as a biomarker of resistance to the pathogen Vibrio bivalvicida in larvae of the Pacific scallop Argopecten purpuratus." Student: Camila Montesinos. Biochemistry program. Pontifical Catholic University of Valparaíso.
2. 2022-2023: "Potential genetic manipulation of Vibrio bacteria." Student: Ambar Perez. Biochemistry program. Pontifical Catholic University of Valparaíso.
3. 2021: "Production and purification of the bactericidal protein with increased bacterial permeability ApLBP/BPI1 from the Pacific scallop Argopecten purpuratus in Pichia pastoris." Student: Camila Muñoz. Biochemistry program. Pontifical Catholic University of Valparaíso.
4. 2020: "Functional characterization of the C-type lectin receptor (ApCLR) expressed in hemocytes of the scallop Argopecten purpuratus." Student: Valentina Muñoz. Biochemistry program. Pontifical Catholic University of Valparaíso.
5. 2020: "Cloning and molecular characterization of two isoforms of interleukin-17 from the scallop Argopecten purpuratus." Student: Yurubi Borregales. Biochemistry program. Pontifical Catholic University of Valparaíso.
6. 2018-2019: "Establishment of molecular surface markers on hemocytes of the scallop Argopecten purpuratus: Toll-like receptors and Mannose receptors." Student: Varinia Morales. Marine Biology program. University of Valparaíso.
7. 2016-2017: "Immunity-microbiota interaction in the scallop Argopecten purpuratus: identification of immune response biomarkers." Student: Katherine Muñoz. Biochemistry program. Pontifical Catholic University of Valparaíso.
8. 2016-2017: "Identification and molecular characterization of a lysozyme G in the scallop Argopecten purpuratus (Lamark, 1819) and its potential role as an immune response biomarker." Student: Daniel González. Marine Biology program. University of Valparaíso.
9. 2015: "Standardization of a primary culture method for hemocytes of the Northern scallop Argopecten purpuratus for in vitro immune response evaluation." Student: Bárbara González. Biology Pedagogy program. Pontifical Catholic University of Valparaíso.
10. 2015: "Expression and purification of recombinant Interleukin-1? protein from rainbow trout Oncorhynchus mykiss produced in Escherichia coli." Student: Roberto Cisternas. Biology Pedagogy program. Pontifical Catholic University of Valparaíso.


Premios y Distinciones

  •   Beca Presidente de La Republica/BECAS CHILE

    UNIVERSITE MONTPELLIER II

    Chile, 2006

    Scholarship to perform PhD studies at the Laboratory of Ecology of Coastal Marine Systems, CNRSUMR5119, University of Montpellier 2, Ifremer, University of Montpellier 1, and IRD, Place Eugène Bataillon, F-34095 Montpellier, France from 2006 to 2010.

  •   EGIDE- French Government postdoctoral mobility grant.

    EMBAJADA DE FRANCIA EN CHILE

    Francia, 2013

    Internship at Immune Response, Aquaculture, Environment Laboratory. Lagoon Ecosystem Research Unit. University of Montpellier 2, France.

  •   Carl Storm International Diversity (CSID) Fellowship

    Gordon Research Association

    Estados Unidos, 2013

    Fellowship for the 2013 Antimicrobial Peptides Gordon Research Conference.

  •   SIBAGHE-University of Montpellier 2 Fellowship grant.

    UNIVERSITE DES SCIENCES ET TECHNIQUES DU LANGUEDOC, MONTPELLIER II

    Francia, 2010

    Internship at Institute of Medical Microbiology, Immunology, and Parasitology, University of Bonn, Germany.

  •   Premio a la Docencia Distinguida

    PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

    Chile, 2016

    Premio a la docencia distinguida en pregrado de la PUCV

  •   Premio a la docencia distinguida

    PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

    Chile, 2021

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Article (52)

Exogenous indole attenuates key virulence traits and pathogenicity of Vibrio bivalvicida in scallop larvae and juveniles
Host-derived antimicrobial peptides enhance survival in<i> Vibrio</i>-infected scallop larvae through dual antibacterial and immunomodulatory actions
Novel antibacterial peptides from enzymatic hydrolysates of the microalga Chlamydomonas reinhardtii with activity against salmonid pathogens
Occurrence of virulence factors in the Vibrio community associated with Pacific Oysters from farming sites in northern Chile
Pengonadins: A penaeid shrimp-specific antimicrobial peptide family related to anti-lipopolysaccharide factors
Sex-Biased Gene Expression of RNAi Pathway Components in the Sea Lice Caligus rogercresseyi
A novel LPS binding /bactericidal permeability-increasing protein (LBP/ BPI) from the scallop Argopecten purpuratus plays an essential role in host resistance to Vibrio infection
Biofloc culture system shapes the structure and function of environmental and intestinal bacterial communities in the river prawn Cryphiops caementarius
Mitigation of Vibrio-Induced Metabolic Perturbations in Argopecten purpuratus Scallop Larvae via Probiotic Pretreatment
Scallop larvae resistant to a pathogenic Vibrio harbor host-associated bacteria with probiotic potential
Unveiling novel scallop-derived antimicrobial peptides targeting host-associated vibrios for sustainable pathogen control in aquaculture
A Diet Rich in HUFAs Enhances the Energetic and Immune Response Capacities of Larvae of the Scallop Argopecten purpuratus
Antimicrobial Spectrum of Activity and Mechanism of Action of Linear Alpha-Helical Peptides Inspired by Shrimp Anti-Lipopolysaccharide Factors
Crassostrea gigas oysters from a non-intensive farming area naturally harbor potentially pathogenic vibrio strains
Evidence of the Autophagic Process during the Fish Immune Response of Skeletal Muscle Cells against Piscirickettsia salmonis
Resistance of Argopecten purpuratus scallop larvae to vibriosis is associated with the front-loading of immune genes and enhanced antimicrobial response
RNA interference-mediated silencing of retinoid X receptor causes reproductive failure in the sea lice Caligus rogercresseyi
Silencing of the Vasa gene by RNA Interference Affects Embryonic Development and Reproductive Output in the Sea Louse Caligus rogercresseyi
A g-type lysozyme from the scallop Argopecten purpuratus participates in the immune response and in the stability of the hemolymph microbiota
Analysis and gonadal localization of Speedy A mRNA transcript, a novel gene associated with early germline cells in the scallop, Argopecten purpuratus
Molecular characterization and cellular localization of a transmembrane C-type lectin receptor in hemocytes from the scallop Argopecten purpuratus
The gill microbiota of Argopecten purpuratus scallop is dominated by symbiotic Campylobacterota and upwelling intensification differentially affects their abundance
Big defensin from the scallop Argopecten purpuratus ApBD1 is an antimicrobial peptide which entraps bacteria through nanonets formation
Expression of immune-related genes during early development of the scallop Argopecten purpuratus after Vibrio splendidus challenge
Induction of foxp3 during the Crosstalk between Antigen Presenting Like-Cells MHCII(+)CD83(+) and Splenocytes CD4(+)IgM(-) in Rainbow Trout
Interferon Gamma Induces the Increase of Cell-Surface Markers (CD80/86, CD83 and MHC-II) in Splenocytes From Atlantic Salmon
Metabolic Cost of the Immune Response During Early Ontogeny of the Scallop Argopecten purpuratus
Functional Insights From the Evolutionary Diversification of Big Defensins
Host Defense Effectors Expressed by Hemocytes Shape the Bacterial Microbiota From the Scallop Hemolymph
Molecular characterization and expression patterns of two LPS binding/bactericidal permeability-increasing proteins (LBP/BPIs) from the scallop Argopecten purpuratus
De novo assembly, characterization of tissue-specific transcriptomes and identification of immune related genes from the scallop Argopecten purpuratus
Identification of Antimicrobial Peptides from the Microalgae Tetraselmis suecica (Kylin) Butcher and Bactericidal Activity Improvement
Litopenaeus vannamei stylicins are constitutively produced by hemocytes and intestinal cells and are differentially modulated upon infections
Reproduction Immunity Trade-Off in a Mollusk: Hemocyte Energy Metabolism Underlies Cellular and Molecular Immune Responses
The immune response of the scallop Argopecten purpuratus is associated with changes in the host microbiota structure and diversity
Massive Gene Expansion and Sequence Diversification Is Associated with Diverse Tissue Distribution, Regulation and Antimicrobial Properties of Anti-Lipopolysaccharide Factors in Shrimp
Insights into the diversity of NOD-like receptors: Identification and expression analysis of NLRC3, NLRC5 and NLRX1 in rainbow trout
Molecular characterization and protein localization of the antimicrobial peptide big defensin from the scallop Argopecten purpuratus after Vibrio splendidus challenge
An intimate link between antimicrobial peptide sequence diversity and binding to essential components of bacterial membranes
Antimicrobial peptides in marine invertebrate health and disease
Insight into the messenger role of reactive oxygen intermediates in immunostimulated hemocytes from the scallop Argopecten purpuratus
Molecular characterization of an inhibitor of NF-kappa B in the scallop Argopecten purpuratus: First insights into its role on antimicrobial peptide regulation in a mollusk
Immunomodulatory effect of cathelicidins in response to a beta-glucan in intestinal epithelial cells from rainbow trout
Phenotypical parameters as a tool to evaluate the immunostimulatory effects of laminarin in Oncorhynchus mykiss
The new insights into the oyster antimicrobial defense: Cellular, molecular and genetic view
Antimicrobial Histones and DNA Traps in Invertebrate Immunity EVIDENCES IN CRASSOSTREA GIGAS
Expression, tissue localization and synergy of antimicrobial peptides and proteins in the immune response of the oyster Crassostrea gigas
Insight into Invertebrate Defensin Mechanism of Action: OYSTER DEFENSINS INHIBIT PEPTIDOGLYCAN BIOSYNTHESIS BY BINDING TO LIPID II
Molecular diversity of antimicrobial effectors in the oyster Crassostrea gigas
Oyster hemocytes express a proline-rich peptide displaying synergistic antimicrobial activity with a defensin
Characterization and functional recovery of a novel antimicrobial peptide (CECdir-CECret) from inclusion bodies after expression in Escherichia coli
Gill tissues of the mussel Mytilus edulis chilensis: A new source for antimicrobial peptides

Abstract (1)

Immunostimulatory effect of beta-glucans in rainbow trout (Oncorhynchus mykiss)

BookSection (2)

Scallop Immunology
Proteínas e peptídeos antimicrobianos de moluscos bivalves

Proyecto (11)

Oyster Cultivation under Environmental Anomalies: Strategies for Adaptation and Future Endurance” (OCEAN SAFE)
Vulnerability of a cultured bivalve mollusk to desalination brine under climate-driven multiple stressors: evaluating stress priming as a mitigation strategy
Ecologie de la santé en milieu marin côtier exploité pour l’aquaculture » (Ecohealth4Sea)
Potenciando el asentamiento larval en Argopecten purpuratus mediante determinantes ambientales específicos: un enfoque desde la microbiología, neurobiología y biotecnología acuícola
Strengthening a collaborative network for the production of recombinant proteins in microalgae to optimize the cultivation of marine organisms of aquaculture interest
Uncovering the effect of biofloc rearing technology on the intestinal bacteriome functional profile and its association with the bioenergetic and immune capacities of the river shrimp Chryphiops caementarius
Unraveling scallop immunity - pathogen interplay by dual transcriptomics: Identification of molecular markers associated with resistance in larvae and virulence in a pathogenic Vibrio
Understanding the crosstalk between differentially activated M1 macrophages and NK cells to improve specific innate immune responses against bacterial or viral pathogens in aquaculture salmonids
Unveiling immunity trade-offs at critical developmental stages in scallops: role of dietary PUFAs and its potential use in aquaculture
Early warning biomarkers to assess scallop immune status: expanding the holobiont concept in marine bivalves.
Immunomodulation of intestinal innate immune parameters by host defense peptides in the rainbow trout, Oncorhynchus mykiss, following β-glucan oral administration

Review (1)

Resistance to antimicrobial peptides in vibrios
19
Katherina Brokordt

Académico/Profesor Asociado

Acuicultura

Universidad Católica del Norte

Coquimbo, Chile

13
Fanny Guzman

Investigador Senior

Núcleo de Biotecnología Curauma

Pontificia Universidad Católica de Valparaiso

Valparaiso, Chile

1
Antonio Brante

Academico

Ecologia

UNIVERSIDAD CATÓLICA DE LA SANTÍSIMA CONCEPCIÓN

Concepción, Chile

2
Sergio Marshall

PROFESSOR

BIOLOGY INSTITUTE

PONTIFICIA UNIVERSIDAD CATÓLICA DE VALPARAÍSO

Valparaíso, Chile

3
María Rojas

Profesor adjunto

PONTIFICIA UNIVERSIDAD CATÓLICA DE VALPARAÍSO

Valparaíso, Chile

1
Mauricio Diaz

Investigador

empresa Neobiotec S.A.

Viña del Mar, Chile

1
Jurij Wacyk

Profesor Asociado

Produccion Animal

UNIVERSIDAD DE CHILE, FAC. CS AGRONÓMICAS

Stgo, Chile

2
Carmen Imarai

Profesor Titular

Biología

UNIVERSIDAD DE SANTIAGO DE CHILE

Santiago, Chile

2
Constanza Cárdenas

Associate Researcher

Nucleo Biotecnologia Curauma

PONTIFICIA UNIVERSIDAD CATÓLICA DE VALPARAÍSO

Valparaíso, Chile

2
Carolina Yáñez

Profesor Titular

Instituto de Biología

Pontificia Universidad Católica de Valparaíso

Valparaíso , Chile

2
DONALD BROWN

PROFESOR TITULAR

FACULTAD DE CIENCIAS

UNIVERSIDAD DE VALPARAÍSO

Valparaíso, Chile

6
Rodolfo Farlora

Full time professor

Instituto de Biología

Universidad de Valparaíso

Valparaiso, Chile

1
LINA CORTES

Investigadora Postdoctoral

Facultad de Medicina

Universidad del Desarrollo

Santiago, Chile

68
Paulina Schmitt

Adjoint Professor

PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

Valparaiso, Chile

9
rodrigo rojas

Académico

Acuicultura

Universidad Católica del Norte

COQUIMBO, Chile

5
Claudio Alvarez

Profesor Asistente y responsable de Laboratorio

Acuicultura

Universidad Católica del Norte

Coquimbo, Chile

2
Erwin de la Fuente

PROFESOR ASOCIADO

CIENCIAS BIOMÉDICAS

UNIVERSIDAD CATOLICA DEL NORTE

Coquimbo, Chile

1
Teodoro Coba

Investigador Titular indefinido

BIOTEC

CORPORACION CENTRO DE ESTUDIOS AVANZADOS EN ZONAS ARIDAS

La Serena, Chile

1
Jurij Wacyk

Profesor Asistente

Producción Animal

Universidad de Chile

Santiago , Chile

1
Claudio Alvarez

Investigador Titular

Laboratorio FIGEMA

Centro de Estudios Avanzados en Zonas Aridas

Coquimbo, Chile

1
Paula Santana

Profesora Asistente e Investigadora

Facultad de Ingeniería

Universidad Autónoma de Chile

Santiago, Chile

2
CARLOS MENDEZ

investigador principal

acuicultura

universidad catolica del norte

coquimbo, Chile

1
Nicolas Ojeda

Investigador Post-Doctoral

Instituto de Biología

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile

13
LUIS MERCADO

Profesor Titular

Instituto de Biología

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile

1
Derie Fuentes

Director

Center For Systems Biotechnology

Universidad Andrés Bello

Santiago, Chile

9
Roxana González

Investigadora Postdoctoral

Acuicultura

Universidad Católica del Norte

Coquimbo, Chile

3
Claudia Cárcamo

Investigador

Centro Tecnologico de innovacion acuicola

Coquimbo, Chile

1
Jorn Bethke

CTO

AQUIT

Viña del mar, Chile

1
Jormil Revilla

Investigador Postdoctoral

Universidad de Atacama

Caldera, Chile

1
Fabian Cuadros

Profesor

Facultad de Ciencias

Pontificia Universidad Católica de Valparaíso

Valparaíso, Chile

1
Tanya Román

Estudiante de Postgrado

Nucleo de Biotecnología de Curauma

PUCV

Valparaíso, Chile