Candidate Genes and QTLs for Fruit Ripening and Softening in Melon

Overview

Journal Theor Appl Genet

Publisher Springer

Specialty Genetics

Date 2007 Dec 21

PMID 18094954

Citations 35

Authors

Eduard Moreno

Javier M Obando

Noelia Dos-Santos

J Pablo Fernandez-Trujillo

Antonio J Monforte

Jordi Garcia-Mas

Affiliations

Soon will be listed here.

Abstract

Different factors affect the quality of melon fruit and among them long shelf life is critical from the consumer's point of view. In melon, cultivars showing both climacteric and non-climacteric ripening types are found. In this study we have investigated climacteric ripening and fruit softening using a collection of near-isogenic lines (NILs) derived from the non-climacteric melon parental lines PI 161375 (SC) and "Piel de Sapo" (PS). Surprisingly, we found that QTL eth3.5 in NIL SC3-5b induced a climacteric-ripening phenotype with increased respiration and ethylene levels. Data suggest that the non-climacteric phenotypes from PI 161375 and "Piel de Sapo" may be the result of mutations in different genes. Several QTLs for fruit flesh firmness were also detected. Candidate genes putatively involved in ethylene regulation, biosynthesis and perception and cell wall degradation were mapped and some colocations with QTLs were observed. These results may provide additional data towards understanding of non-climacteric ripening in melon.

Citing Articles

Genetic regulation of volatile production in two melon introgression line collections with contrasting ripening behavior.

Mayobre C, Santo Domingo M, Ozkan E, Fernandez-Borbolla A, Ruiz-Lasierra J, Garcia-Mas J Hortic Res. 2024; 11(3):uhae020.

PMID: 38469382 PMC: 10925849. DOI: 10.1093/hr/uhae020.

Genetic Mapping and QTL Analysis of Fruit Traits in Melon ( L.).

Zhao H, Zhang T, Meng X, Song J, Zhang C, Gao P Curr Issues Mol Biol. 2023; 45(4):3419-3433.

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Primary mapping of quantitative trait loci regulating multivariate horticultural phenotypes of watermelon ( L.).

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PMID: 36714694 PMC: 9877429. DOI: 10.3389/fpls.2022.1034952.

Thorough Characterization of , a QTL Involved in Melon Fruit Climacteric Behavior and Aroma Volatile Composition.

Dos-Santos N, Bueso M, Diaz A, Moreno E, Garcia-Mas J, Monforte A Foods. 2023; 12(2).

PMID: 36673468 PMC: 9858179. DOI: 10.3390/foods12020376.

Natural variation of respiration-related traits in plants.

Bulut M, Alseekh S, Fernie A Plant Physiol. 2022; 191(4):2120-2132.

PMID: 36546766 PMC: 10069898. DOI: 10.1093/plphys/kiac593.

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