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The Genetic Basis of Tomato Aroma

DISAFA, Plant Genetics and Breeding, University of Turin, 10095 Grugliasco, Italy
Plant Breeding, Wageningen University & Research, P.O. Box 386, 6700 AJ Wageningen, The Netherlands
Authors to whom correspondence should be addressed.
Academic Editor: Mathilde Causse
Genes 2021, 12(2), 226;
Received: 13 January 2021 / Revised: 29 January 2021 / Accepted: 1 February 2021 / Published: 4 February 2021
(This article belongs to the Special Issue Tomato Genetics)
Tomato (Solanum lycopersicum L.) aroma is determined by the interaction of volatile compounds (VOCs) released by the tomato fruits with receptors in the nose, leading to a sensorial impression, such as “sweet”, “smoky”, or “fruity” aroma. Of the more than 400 VOCs released by tomato fruits, 21 have been reported as main contributors to the perceived tomato aroma. These VOCs can be grouped in five clusters, according to their biosynthetic origins. In the last decades, a vast array of scientific studies has investigated the genetic component of tomato aroma in modern tomato cultivars and their relatives. In this paper we aim to collect, compare, integrate and summarize the available literature on flavour-related QTLs in tomato. Three hundred and fifty nine (359) QTLs associated with tomato fruit VOCs were physically mapped on the genome and investigated for the presence of potential candidate genes. This review makes it possible to (i) pinpoint potential donors described in literature for specific traits, (ii) highlight important QTL regions by combining information from different populations, and (iii) pinpoint potential candidate genes. This overview aims to be a valuable resource for researchers aiming to elucidate the genetics underlying tomato flavour and for breeders who aim to improve tomato aroma. View Full-Text
Keywords: tomato; S. lycopersicum; aroma; volatiles; QTLs tomato; S. lycopersicum; aroma; volatiles; QTLs
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MDPI and ACS Style

Martina, M.; Tikunov, Y.; Portis, E.; Bovy, A.G. The Genetic Basis of Tomato Aroma. Genes 2021, 12, 226.

AMA Style

Martina M, Tikunov Y, Portis E, Bovy AG. The Genetic Basis of Tomato Aroma. Genes. 2021; 12(2):226.

Chicago/Turabian Style

Martina, Matteo, Yury Tikunov, Ezio Portis, and Arnaud G. Bovy. 2021. "The Genetic Basis of Tomato Aroma" Genes 12, no. 2: 226.

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