Transcriptome Profiles of Contrasting Potato (Solanum tuberosum L.) Genotypes under Water Stress

Vista sencilla de ítem
dc.contributor.authorBarra, Macarena
dc.contributor.authorMeneses, Claudio
dc.contributor.authorRiquelme, Stephanie
dc.contributor.authorPinto, Manuel
dc.contributor.authorLagüe, Martin
dc.contributor.authorDavidson, Charlotte
dc.contributor.authorH. Tai, Helen
dc.date.accessioned2021-09-08T14:24:15Z
dc.date.available2021-09-08T14:24:15Z
dc.date.issued2019-12
dc.descriptionIndexación: Scopuses
dc.description.abstractThe potato is susceptible to water stress at all stages of development. We examined four clones of tetraploid potato, Cardinal, Desirée, Clone 37 FB, and Mije, from the germplasm bank of the National Institute of Agricultural Research (INIA) in Chile. Water stress was applied by suspending irrigation at the beginning of tuberization. Stomatal conductance, and tuber and plant fresh and dry weight were used to categorize water stress tolerance. Cardinal had a high susceptibility to water stress. Desirée was less susceptible than Cardinal and had some characteristics of tolerance. Mije had moderate tolerance and Clone 37 FB had high tolerance. Differential gene expression in leaves from plants with and without water stress were examined using transcriptome sequencing. Water stress-susceptible Cardinal had the fewest differentially expressed genes at 101, compared to Desirée at 1867, Clone 37 FB at 1179, and Mije at 1010. Water stress tolerance was associated with upregulation of the expression of transcription factor genes and genes involved in osmolyte and polyamine biosynthesis. Increased expression of genes encoding late embryogenesis abundant (LEA) and dehydrin proteins along with decreased expression of genes involved in nitrate assimilation and amino acid metabolism were found for clones showing water stress tolerance. The results also show that a water deficit was associated with reduced biotic stress responses. Additionally, heat shock protein genes were differentially expressed in all clones except for highly susceptible Cardinal. Together, the gene expression study demonstrates variation in the molecular pathways and biological processes in response to water stress contributing to tolerance and susceptibility. © 2019 by the authors.es
dc.description.urihttps://www.mdpi.com/2073-4395/9/12/848
dc.identifier.citationAgronomy Volume 9, Issue 124 December 2019 Article number 848es
dc.identifier.doi10.3390/agronomy9120848
dc.identifier.issn2073-4395
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/20170
dc.language.isoenes
dc.publisherMDPI AGes
dc.rights.licenseAtribución 4.0 Internacional (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.es
dc.subjectPotatoes
dc.subjectRNAseqes
dc.subjectTolerancees
dc.subjectWater stresses
dc.titleTranscriptome Profiles of Contrasting Potato (Solanum tuberosum L.) Genotypes under Water Stresses
dc.typeArtículoes
Archivos
Bloque original
Mostrando 1 - 1 de 1
Miniatura
Nombre:
agronomy-09-00848-v2.pdf
Tamaño:
3.18 MB
Formato:
Adobe Portable Document Format
Descripción:
TEXTO COMPLETO EN INGLES
Descargar
Bloque de licencias
Mostrando 1 - 1 de 1
No hay miniatura disponible
Nombre:
license.txt
Tamaño:
1.71 KB
Formato:
Item-specific license agreed upon to submission
Descripción:
Descargar
Colecciones
Fac.CV - Artículos de Revista