Genetic and Physical Mapping of QTLs for Fruit Juice Browning and Fruit Acidity on Linkage Group 16 in Apple  

Takuya Morimoto1 , Koki Yonemushi2 , Hironori Ohnishi2 , Kiyoshi Banno3
1. Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
2. Graduate School of Agriculture, Shinshu University, Minami-minowa, Nagano 399-4598, Japan
3. Faculty of Agriculture, Shinshu University, Minami-minowa, Nagano 399-4598, Japan
Author    Correspondence author
Tree Genetics and Molecular Breeding, 2014, Vol. 4, No. 2   doi: 10.5376/tgmb.2014.04.0002
Received: 26 Nov., 2014    Accepted: 29 Dec., 2014    Published: 29 Dec., 2014
© 2014 BioPublisher Publishing Platform
This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Morimoto et al., 2014, Genetic and Physical Mapping of QTLs for Fruit Juice Browning and Fruit Acidity on Linkage Group 16 in Apple, Tree Genetics and Molecular Breeding, Vol.4, No.2 1-10 (doi: 10.5376/tgmb.2014.04.0002)

Abstract

Fruit juice browning and fruit acidity, which are important characteristics for the determination of marketability and processability of apple fruit, are becoming major targets for apple breeding. To identify the genetic basis of these two traits, quantitative trait locus (QTL) analysis was carried out using a 79 progenies of ‘Fuji’ × ‘Maypole’ F1 population. The maternal parent ‘Fuji’ was characterized by low acidity and high browning, whereas the paternal parent ‘Maypole’ showed opposite phenotypes—high acidity and low browning—resulting in an F1 population with a wide range of phenotypes. QTL analysis identified the major QTLs for both traits on the upper part of linkage group (LG) 16 of ‘Fuji’. The effects of these QTLs explained 57.5% and 49.7 % of observed variation in fruit juice browning and fruit acidity, respectively. These two QTLs co-segregated with each other, with the allele for high acidity associated with the allele for low browning and vice versa in this population. To physically map the QTL region, recombinant progeny were genotyped with newly designed DNA markers; both QTLs were delimited to a 514-kb region including 105 annotated genes on apple chromosome 16. Several candidate genes were predicted in this region and their associations with fruit juice browning and fruit acidity were considered

Keywords
DNA marker; Fruit quality; Genetic analysis; Malus×domestica; QTL analysis
[Full-Text PDF] [Full-Flipping PDF] [Full-Text HTML]
Tree Genetics and Molecular Breeding
• Volume 4
View Options
. PDF(416KB)
. FPDF
. HTML
. Online fPDF
Associated material
. Readers' comments
Other articles by authors
. Takuya Morimoto
. Koki Yonemushi
. Hironori Ohnishi
. Kiyoshi Banno
Related articles
. DNA marker
. Fruit quality
. Genetic analysis
. Malus×domestica
. QTL analysis
Tools
. Email to a friend
. Post a comment

ass fuck sexo anal Gruppen Pornos Blondine Pornos inzest porn hd
ankara escort
casumo
escort bodrum
erotik filmler
beykent spor salonu
free brazzers
istanbul escort