Foto_kbrc_2015.jpg_thumb90

Karina Beatriz Ruiz Carrasco

Profesora asociada

Universidad Arturo Prat

Iquique, Chile

Líneas de Investigación


Genetic diversity in plant traits related to abiotic stress responses and tolerance. Linking gene expression with physiology in order to unveil the mechanism. Research on morpho-physiological and molecular responses to environmental stresses.

Educación

  •  PhD in Cell Biology and Physiology, UNIVERSITA DEGLI STUDI DI BOLOGNA. Italia, 2004
  •  PhD in Fruit Tree, Forestry and Ornamental Agro-Ecosystems. , UNIVERSITA DEGLI STUDI DI BOLOGNA. Italia, 2012
  •  Bachelor in Biology, UNIVERSIDAD DE CONCEPCION. Chile, 1998

Experiencia Académica

  •   PhD Full Time

    Appalachian Fruit Research Station (AFRS) ARS – USDA, West Virginia

    Kearneysville, Estados Unidos

    2011 - 2011

  •   PhD student / Stage / student rotation Other

    TEXAS A&M UNIVERSITY

    Center For Semiarid Forest Resources

    College Station, Estados Unidos

    2005 - 2005

  •   Researcher PostDoc Other

    UNIVERSITA DEGLI STUDI DI BOLOGNA

    Bologna, Italia

    2015 - 2015

  •   Researcher PostDoc Other

    UNIVERSITA DEGLI STUDI DI BOLOGNA

    Bologna, Italia

    2016 - 2016

  •   Researcher PostDoc Other

    UNIVERSITA DEGLI STUDI DI BOLOGNA

    Bologna, Italia

    2017 - 2018

Experiencia Profesional

  •   Postdoc Full Time

    CEAZA

    La Serena, Chile

    2006 - 2008

  •   Post doc Full Time

    Universidad de Chile

    Santiago, Chile

    2012 - 2014

  •   Postdoc Part Time

    Universita' di Bologna

    Bologna, Italia

    2015 - 2018

  •   Profesora asociada Full Time

    Universidad Arturo Prat

    Iquique, Chile

    2018 - At present

Formación de Capital Humano


• Thesis title: “Las saponinas y sus aplicaciones en la industria farmacéutica. Caso de estudio: las saponinas de la quinoa y su uso en cosmetología”. Estudiante carrera Química y Farmacia: Netvett Millán (2025 – Folio 16537)
• Thesis title:: “Perfil de metabolitos secundarios y contenido de Ácido Salicílico en las respuestas de defensa directa en hojas de mandarino infestadas por arañita roja”. Estudiante carrera Química y Farmacia: Francis Aceituno (2025 – Folio 15359)
• Thesis title: “Efecto de las saponinas de Chenopodium quinoa sobre la expresión de genes relacionados con elicitores de inmunidad y tolerancia a salinidad en Arabidopsis thaliana”. Estudiante carrera Ingeniería en Biotecnología: Sebastián Sepúlveda - Villegas (2024 – Folio 15650)
• Thesis title: “Búsqueda de bacterias endófitas en semillas de Chenopodium quinoa para aplicación biotecnológica en tomate Micro tom bajo condiciones de estrés salino. Estudiante carrera Ingeniería en Biotecnología: Sam Fuentealba (2023 – Folio 14991)
• Thesis title: “Evaluación de subproductos (QS/QP) de Chenopodium quinoa (Willd) como bioestimulantes del crecimiento en Arabidopsis thaliana en condiciones de salinidad”. Estudiante carrera Ingeniería en Biotecnología: Sebastian Segovia Ulloa (2023 – Folio 13813)
• Thesis title: “Evaluación del efecto del escarificado de quinua en condiciones de salinidad en un cultivo hortícola: Lactuca sativa L.. Estudiante carrera Ingeniería en Agronomía: Andrea Arredondo (2023)
• Thesis title: “Expresión génica foliar en respuesta a altas concentraciones de Boro en dos variedades de Zea mays”. Estudiante carrera de Biotecnología – Programa especial de titulación: Gerzon Moreno Cuevas. FRNR, UNAP, Chile. 2021 - Folio 6569.
• Thesis title: “Efectos de distintas concentraciones de Boro y pH en el crecimiento de Zea mays, var. Capia Blanco, un maíz ancestral de Chile”. Estudiante carrera de Biotecnología: Mirko Ortíz Álvarez. FRNR, UNAP, Chile. 2021 – Folio 12342.
• Thesis title: Effetti della qualità della luce sull’espressione di geni coinvolti nell’assorbimento di nutrienti e sulla componente nutraceutica di Lactuca sativa L. Estudiante: Laura carotti. Dpto. BiGeA, Universidad de Bologna, Italia. 2018
• Thesis title: Crescita e contenuto di poliammine in due genotipi di quinoa (Chenopodium quinoa Willd.) sottoposti a stress salino. Estudiante: Miguel Angel Gambelli. Dpto. BiGeA, Universidad de Bologna, Italia. 2016
• Thesis title: "Contenido de daidzeína y genisteína en semillas de ecotipos de quinua (Chenopodium quinoa Wild)". Estudiante: Angélica Martínez Carvajal. Universidad de Valparaíso. Chile. 2008
• Thesis title:: “Primera evaluación de las respuestas agronómicas y fisiológicas de Amaranthus cruentus en la Región de Coquimbo, Chile”. Estudiante: Susana Lizardi Cesín. Universidad de La Serena. Chile. 2009.
• Training for lab experience addressed to undergraduate students (Sally Gutiérrez, Rocío Bustos Sepúlveda, Gonzalo Mena Acevedo, Natalia Gutiérrez, Valentina Canelo Laboratory of Functional Genomics - Universidad de Chile, Chile).


Difusión y Transferencia


CONGRESSES AND MEETINGS (last 5 years)

1. 120th Congress of the Italian Botanical Society and XI International Plant Science Conference, Gorizia, Italy. 3 to 6 September 2025. Arabidopsis thaliana salt stress mitigation by priming with a quinoa seed by-product: linking phytochemical composition to antioxidant defence and gene modulation. Ruiz KB, Lianza M, Segovia-Ulloa S, Sepúlveda-Villegas S, Salas F, Tejos R, Biondi S, Antognoni F. Poster section: Cell biology and specialized metabolites – Stresses 7.8.
2. 120th Congress of the Italian Botanical Society and XI International Plant Science Conference, Gorizia, Italy. 3 to 6 September 2025. Investigating quinoa’s plant growth-promoting bacteria and their ability to promote salinity tolerance in Arabidopsis thaliana. Lingua G, Bona E, Novello G, Gamalero E, Tejos R, Sepúlveda – Villegas S, Araya-Araya M, Antognoni F, Biondi S, Ruiz KB. Poster section: Cell biology and specialized metabolites – Stresses 7.8.
3. XVI Reunión Anual Sociedad Chilena de Biología Vegetal, Talcahuano, Concepción 2023. Sepúlveda Villegas S, Icarte T, Segovia S, Tejos R, Ruiz KB. “Effect of quinoa byproducts on root cell division and expression of growth and salt stress related genes in Arabidopsis thaliana”. Libro de Resúmenes (https://biologiavegetal.cl/ ) Poster 41, pp 59
4. XVI Reunión Anual Sociedad Chilena de Biología Vegetal, Talcahuano, Concepción 2023. Aceituno Bruna F, Ruiz KB, Rioja T. “Biochemical characterization of the direct defense response in mandarin leaves W. murcott (Citrus reticulata L.) infested by Panonychus citri”.. Libro de Resúmenes (https://biologiavegetal.cl/ ) Poster 44, pp 62
5. XVI Reunión Anual Sociedad Chilena de Biología Vegetal, Talcahuano, Concepción 2023. Villalobos Pérez M, González MF, Ruiz KB. “The bioherbicidal effect of Chenopodium quinoa (Willd.) saponins-enriched by-products on Portulaca spp.: an experimental approach”. Libro de Resúmenes (https://biologiavegetal.cl/ ) Poster 69, pp 87
6. XV Reunión Anual Sociedad Chilena de Biología Vegetal, Coquimbo 2023. “Bioprospection of plant growth and stress tolerance promoting bacteria from Chenopodium quinoa seeds”. Libro de Resúmenes (https://biologiavegetal.cl/ ) Poster 47, pp 81
7. XV Reunión Anual Sociedad Chilena de Biología Vegetal, Coquimbo 2023. “Exploring the potential use of quinoa (Chenopodium quinoa Willd.) seed by-products as biostimulants in Arabidopsis thaliana”. Libro de Resúmenes (https://biologiavegetal.cl/ ) Poster 20, pp 54
8. Evento de Clausura Coloquios 2020 Sociedad Chilena de Biología Vegetal Enero 2021. Conferencia en: Quinoa, desde los Andes a las estrellas y mas allá... 7 de Enero 9,45 a 10,30. Karina Ruiz via plataforma ZOOM.
9. VII Congreso Mundial de la Quinua. Iquique, Chile. 25-28 Marzo 2019. Metal uptake, ion content, and gene expression patterns in quinoa exposed to Cr(III) in the presence or absence of salt. Cicatelli A, Ruiz KB, Guarino F, Castiglione S, Biondi S. Presentación Oral.
10. European Geosciences Union (EGU) General Assembly 2017. Vienna, Austria 23-28 April 2017. Can quinoa, a salt-tolerant Andean crop species, be used for phytoremediation of chromium-polluted soil? Ruiz KB et al. Geophysical Research Abstracts Vol. 19, EGU2017-1069, 2017. Poster ID. X1.262.
11. 111th Congress of the Italian Botanical Society (3rd IPSC), University of Rome Tor Vergata, Rome, Italy, 21 - 23 September 2016. Transcriptional changes in quinoa seedlings exposed to high salinity: focus on growth, ion homeostasis, ABA, Polyamine, and stress-related genes. Ruiz KB et al. Poster ID.2.2
12. V Meeting EUCARPIA International Symposium on Protein Crops. Plant Protein for the future. Pontevedra, Spain. 4-7 May 2015. Screening of salt tolerance in Chilean landraces of Quinoa: agronomical, physiological, and nutritional parameters. Ruiz KB et al. Poster ID_57 pp 160.
13. Agriculture and Climate Change 2015. Adapting Crops to Increased Uncertainty. Amsterdam, Netherlands, 15-17 February 2015. Quinoa - a model crop for understanding salt tolerance mechanisms in halophytes (Poster ID_AGRI2015_0596). Biondi S, Ruiz KB et al. Sunday 15th February 2015: Poster Session I Abiotic Stress.
14. 65° Congreso de la Sociedad Agronómica de Chile, Santiago de Chile, Chile. 27-29 Octubre, 2014. “Cultivares chilenos de quinua: Aspectos que contribuyen a una excepcional tolerancia a condiciones de alta salinidad” (Presentación Oral). Ruiz KB et al.
15. 65° Congreso de la Sociedad Agronómica de Chile, Santiago de Chile, Chile. 27-29 October, 2014. “Respuestas al estrés salino en cultivares chilenos de quinua: caracterización “In Vitro” (Poster). Ruiz KB et al.

RESEARCH COLLABORATIONS
• Collaborator in: “Dynamic aspects of biodiversity management of Quinoa”. Financed by FP7-PEOPLE-IRSES-2008 - Marie Curie Action "International Research Staff Exchange Scheme". P.I. Bazile Didier. Tasks: dissecting salinity tolerance in quinoa by morphological, physiological and molecular analysis.
• Collaborator in:”Tolerance strategies of Quinoa plants under salt stress”. Financed by TWAS-ICGEB (project id: CRP.PB/CHI06-01). P.I. Andrés Zurita. Tasks: expression analysis of genes involved in salt stress tolerance and polyamine determination.
• Collaborator in:”Increases of blueberries hybrid varieties productivity under arid environments by selection of local soil substrates”. Financed by FIA-Chile (project id: fia-pi-c-2005-1-a-078). P.I. Angélica Salvatierra. Task: Highbush Blueberry var. O’Neal grown in soil containing high levels of manganese.

CITATION METRICS
• ORCID ID: 0000-0001-5425-3423
• ResearcherID: H-8165-2013
• Researcher ID H-index: 21 (excluding self-citation; updated 09/14/2025)

WRITTEN AND SPOKEN LANGUAGES
English: good in reading, writing and speaking (Level B1++; Certificated by Centro Interfacoltà di Linguistica Teorica e Applicata, CILTA, University of Bologna, Italy).
Italian: fluent in writing, reading and speaking.
Spanish: mother tongue
French: scholastic level


Premios y Distinciones

  •   Presidente de la República de Chile Fellowship

    MINISTERIO DE EDUCACION

    Chile, 1995

    Good academic record during the bachelor studies.

  •   Ministero Affari Esteri (MAE) fellowship

    ISTITUTO PER LA COOPERAZIONE UNIVERSITARIA

    Italia, 2002

    Fellowship for PhD students having an excellent exam and academic record in the Italian educational system (Oct. 2002 – Oct. 2004).

  •   MIUR Fellowship for PhD students

    ISTITUTO PER LA COOPERAZIONE UNIVERSITARIA

    Italia, 2009

    Beca de estudios ofrecida por Ministero della Istruzione, Università e della Ricerca, MIUR, para los candidatos con mejor puntaje en el examen de admisión al doctorado. Italy. Jan. 2009 – Dic. 2011


 

Article (29)

Fungal endophytes boost salt tolerance and seed quality in quinoa ecotypes along a latitudinal gradient
Priming with quinoa dehulling residues induces changes in gene expression, boosts antioxidant defense, and mitigates salt stress in Arabidopsis thaliana L
Red mite (Panonychus citri) attack amplifies citrus rootstock-driven responses in physiological and biochemical traits, VOC emission, and expression of defence-related genes in mandarin scions
The polyamine ?multiverse? and stress mitigation in crops: A case study with seed priming in quinoa
Effects of different boron concentrations and pH on growth Zea mays var. Capia blanco, an ancestral corn from Chile
Free and Conjugated Phenolic Profiles and Antioxidant Activity in Quinoa Seeds and Their Relationship with Genotype and Environment
Pulsed LED Light: Exploring the Balance between Energy Use and Nutraceutical Properties in Indoor-Grown Lettuce
Quinoa Phenotyping Methodologies: An International Consensus
The Importance of Non-Diffusional Factors in Determining Photosynthesis of Two Contrasting Quinoa Ecotypes (Chenopodium quinoa Willd.) Subjected to Salinity Conditions
The combined effect of Cr(III) and NaCl determines changes in metal uptake, nutrient content, and gene expression in quinoa (Chenopodium quinoa Willd.)
RNA-seq Analysis of Salt-Stressed Versus Non Salt-Stressed Transcriptomes of Chenopodium quinoa Landrace R49
Comparing salt-induced responses at the transcript level in a salares and coastal-lowlands landrace of quinoa (Chenopodium quinoa Willd)
Quinoa seed coats as an expanding and sustainable source of bioactive compounds: An investigation of genotypic diversity in saponin profiles
New Insight into Quinoa Seed Quality under Salinity: Changes in Proteomic and Amino Acid Profiles, Phenolic Content, and Antioxidant Activity of Protein Extracts
Oxidative stress and antioxidant responses to increasing concentrations of trivalent chromium in the Andean crop species Chenopodium quinoa Willd
Quinoa - a Model Crop for Understanding Salt-tolerance Mechanisms in Halophytes
Salares versus coastal ecotypes of quinoa: Salinity responses in Chilean landraces from contrasting habitats
Quinoa biodiversity and sustainability for food security under climate change. A review.
ABA may promote or delay peach fruit ripening through modulation of ripening- and hormone-related gene expression depending on the developmental stage
Early Methyl Jasmonate Application to Peach Delays Fruit/Seed Development by Altering the Expression of Multiple Hormone-Related Genes
PpeTAC1 promotes the horizontal growth of branches in peach trees and is a member of a functionally conserved gene family found in diverse plants species
Differential expression of allene oxide synthase (AOS), and jasmonate relationship with ethylene biosynthesis in seed and mesocarp of developing peach fruit
Ethylene and auxin biosynthesis and signaling are impaired by methyl jasmonate leading to a transient slowing down of ripening in peach fruit
Spermidine application to young developing peach fruits leads to a slowing down of ripening by impairing ripening-related ethylene and auxin metabolism and signaling
Beyond the ionic and osmotic response to salinity in Chenopodium quinoa: functional elements of successful halophytism
Variation in salinity tolerance of four lowland genotypes of quinoa (Chenopodium quinoa Willd.) as assessed by growth, physiological traits, and sodium transporter gene expression
Early jasmonate application interferes with peach fruit development and ripening as revealed by the time course of several differentially expressed seed and mesocarp genes.
Identification of two phenotypes of Arabidopsis thaliana under in vitro salt stress conditions
Polyamine metabolism and biosynthetic gene expression in Arabidopsis thaliana under salt stress

BookSection (6)

Genotype and Environment as Key Factors Controlling Seed Quality in Latin- American Crops
Genotype and Environment as Key Factors Controlling Seed Quality in Latin-American Crops
Assessment and adaptation of quinoa (Chenopodium quinoa Willd) to the agroclimatic conditions in Mali, West Africa: an example of South-North-South cooperation
Quinoa drought responses and adaptation
Tolerance to saline conditions
Toxicidad de manganeso en plantas de arándanos en la zona norte

ConferencePaper (1)

Effects of photoselective nets on phenolic composition in apple fruits

Proyecto (12)

Implementación de una cámara de crecimiento altamente eficiente para la obtención de germinados y microvegetales de alta calidad nutricional.
“Validación de un modelo agroinformático basado en sensores e imágenes para el uso de eficiente del agua en productos hortícolas; Caso lechuga en ubicaciones geográficas áridas y semiáridas”
Evaluación de hidrolizados químicos y enzimáticos de residuos del proceso de desaponificación de semillas de la quinua para la producción de fito-bioestimulantes
Reguladores del crecimiento en Chenopodium quinoa en condiciones de alta salinidad=> efectos en parámetros agronómicos, fisiológicos y moleculares.
LATINCROP initiative
HOW DOES QUINOA DEAL WITH SALT STRESS? EVALUATION OF ARCHITECTURAL TRAITS AND TRANSCRIPTION FACTORS RELATED TO STRESS TOLERANCE GENES THAT MAKE IT A SUCCESSFUL CROP IN A CHALLENGING ENVIRONMENT.
How does quinoa deal with salt stress? Evaluation of architectural traits and transcription factors related to stress tolerance genes that make it a successful crop in a challenging environment.
Dynamic aspects of biodiversity management of Quinoa.
Tolerance strategies of Quinoa plants under salt stress.
Reguladores del crecimiento en Chenopodium quinoa en condiciones de alta salinidad: efectos en parámetros agronómicos, fisiológicos y moleculares.
Reposición y actualización del equipo IRGA 6800 para reestablecer/recuperar la línea de investigación en la productividad vegetal en condiciones de aridez y en el contexto del cambio climático.
The potential use of quinoa seedhull powder, a rich source of saponins and bioactive compounds, as plant biostimulant

Review (1)

Quinoa biodiversity and sustainability for food security under climate change. A review
1
Andres Zurita

Investigador

Instituto de Investigaciones Agropecuarias - INIA

La Serena, Chile

1
Romulo Oses

INVESTIGADOR ASOCIADO

VICERRECTORIA DE INVESTIGACION Y POSTGRADO

UNIVERSIDAD DE ATACAMA

COPIAPO, Chile

1
Manuel Pinto

ACADÉMICO

INSTITUTO DE CIENCIAS AGRONOMICAS Y VETERINARIAS

Universidad de O'Higgins

San Fernando, Chile

1
Enrique Martinez

Professeur

Foyer de Charite

Lambesc, Francia

3
Herman Silva

Professor

Departamento de Produccion Agricola

Universidad de Chile

Santiago, Chile

1
Ursula Steinfort

Profesor asociado

Ciencias Vegetales

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Ian Acuña

Investigador Asistente

Instituto de Investigación Interdisciplinaria (I3)

Universidad de Talca

Talca, Chile

1
Adriana Covarrubias

Profesor Ad Honorem- Investigador Asociado

UNIVERSIDAD AUSTRAL DE CHILE

Valdivia, Chile

44
Karina Ruiz

Profesora asociada

Carrera Quimica y Farmacia

Universidad Arturo Prat

Iquique, Chile

1
JONATHAN MALDONADO

Postdoc CONICYT

Dpto. Genética Molecular y Microbiología

Pontificia Universidad Católica de Chile

Santiago, Chile