Expression of miR159 Is Altered in Tomato Plants Undergoing Drought Stress
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Otros documentos de la autoría: López-Galiano, María José; García-Robles, Inmaculada; González-Hernández, Ana I.; Camañes, Gemma; Vicedo, Begonya; Real, María Dolores; Rausell, Carolina
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Título
Expression of miR159 Is Altered in Tomato Plants Undergoing Drought StressAutoría
Fecha de publicación
2019Editor
MDPIISSN
2223-7747; 2223-7747Cita bibliográfica
LÓPEZ-GALIANO, María José, et al. Expression of miR159 Is Altered in Tomato Plants Undergoing Drought Stress. Plants, 2019, vol. 8, no 7, p. 201.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.mdpi.com/2223-7747/8/7/201Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
In a scenario of global climate change, water scarcity is a major threat for agriculture, severely
limiting crop yields. Therefore, alternatives are urgently needed for improving plant adaptation
to drought stress. ... [+]
In a scenario of global climate change, water scarcity is a major threat for agriculture, severely
limiting crop yields. Therefore, alternatives are urgently needed for improving plant adaptation
to drought stress. Among them, gene expression reprogramming by microRNAs (miRNAs) might
offer a biotechnologically sound strategy. Drought-responsive miRNAs have been reported in many
plant species, and some of them are known to participate in complex regulatory networks via
their regulation of transcription factors involved in water stress signaling. We explored the role
of miR159 in the response of Solanum lycopersicum Mill. plants to drought stress by analyzing the
expression of sly-miR159 and its target SlMYB transcription factor genes in tomato plants of cv.
Ailsa Craig grown in deprived water conditions or in response to mechanical damage caused by
the Colorado potato beetle, a devastating insect pest of Solanaceae plants. Results showed that
sly-miR159 regulatory function in the tomato plants response to distinct stresses might be mediated
by differential stress-specific MYB transcription factor targeting. sly-miR159 targeting of SlMYB33
transcription factor transcript correlated with accumulation of the osmoprotective compounds proline
and putrescine, which promote drought tolerance. This highlights the potential role of sly-miR159 in
tomato plants’ adaptation to water deficit conditions. [-]
Publicado en
Plants 2019, 8(7), 201Proyecto de investigación
AGL2013-49023-C3-1,2,3-R; AGL2017-85987-C3-1,2-RDerechos de acceso
Licencia CC-BY
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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