TY - JOUR
T1 - Comparative Transcriptome Profiling in a Segregating Peach Population with Contrasting Juiciness Phenotypes
AU - Del Pozo, Talía
AU - Miranda, Simón
AU - Latorre, Mauricio
AU - Olivares, Felipe
AU - Pavez, Leonardo
AU - Gutiérrez, Ricardo
AU - Maldonado, Jonathan
AU - Hinrichsen, Patricio
AU - Defilippi, Bruno G.
AU - Orellana, Ariel
AU - González, Mauricio
N1 - Funding Information:
*E-mail: [email protected]. Phone: (+56)229781440. INTA, Universidad de Chile, Avenida Macul 5524, Casilla 138-11, Santiago, Chile. ORCID Bruno G. Defilippi: 0000-0003-3352-7792 Mauricio Gonzaĺ ez: 0000-0002-1592-9758 Funding This study was supported by Funding Agency Grant CONICYT-Fondecyt 11160899, Redes REDI170422, and PEP I-2018033 to T.d.P., Fondecyt 11150679 to M.L., Basal Program AFB 170004 to A.O., and FONDAP 15090007 to M.G. and A.O. Notes The authors declare no competing financial interest.
PY - 2019/2/6
Y1 - 2019/2/6
N2 -
Cold storage of fruit is one of the methods most commonly employed to extend the postharvest lifespan of peaches (Prunus persica (L.) Batsch). However, fruit quality in this species is affected negatively by mealiness, a physiological disorder triggered by chilling injury after long periods of exposure to low temperatures during storage and manifested mainly as a lack of juiciness, which ultimately modifies the organoleptic properties of peach fruit. The aim of this study was to identify molecular components and metabolic processes underlying mealiness in susceptible and nonsusceptible segregants. Transcriptome and qRT-PCR profiling were applied to individuals with contrasting juiciness phenotypes in a segregating F
2
population. Our results suggest that mealiness is a multiscale phenomenon, because juicy and mealy fruit display distinctive reprogramming processes affecting translational machinery and lipid, sugar, and oxidative metabolism. The candidate genes identified may be useful tools for further crop improvement.
AB -
Cold storage of fruit is one of the methods most commonly employed to extend the postharvest lifespan of peaches (Prunus persica (L.) Batsch). However, fruit quality in this species is affected negatively by mealiness, a physiological disorder triggered by chilling injury after long periods of exposure to low temperatures during storage and manifested mainly as a lack of juiciness, which ultimately modifies the organoleptic properties of peach fruit. The aim of this study was to identify molecular components and metabolic processes underlying mealiness in susceptible and nonsusceptible segregants. Transcriptome and qRT-PCR profiling were applied to individuals with contrasting juiciness phenotypes in a segregating F
2
population. Our results suggest that mealiness is a multiscale phenomenon, because juicy and mealy fruit display distinctive reprogramming processes affecting translational machinery and lipid, sugar, and oxidative metabolism. The candidate genes identified may be useful tools for further crop improvement.
KW - cold storage
KW - gene expression
KW - mealiness
KW - Prunus persica
KW - transcriptome
UR - http://www.scopus.com/inward/record.url?scp=85061126200&partnerID=8YFLogxK
U2 - 10.1021/acs.jafc.8b05177
DO - 10.1021/acs.jafc.8b05177
M3 - Article
C2 - 30632375
AN - SCOPUS:85061126200
SN - 0021-8561
VL - 67
SP - 1598
EP - 1607
JO - Journal of Agricultural and Food Chemistry
JF - Journal of Agricultural and Food Chemistry
IS - 5
ER -