DESCRIPTION:

QTL associated with molar crown diameter QTL 1. This interval was obtained by using a fixed interval width of 25 Mbp around the peak marker (85045485)

LABEL:

QTL-Mcdq1-Mouse-Chr 13

SCORE TYPE:

Binary

DATE ADDED:

2012-04-02

DATE UPDATED:

2024-04-25

SPECIES:

URI:

http://www.informatics.jax.org/searches/accession_report.cgi?id=MGI:3706141

AUTHORS:

Shimizu T, Oikawa H, Han J, Kurose E, Maeda T

TITLE:

Genetic analysis of crown size in the first molars using SMXA recombinant inbred mouse strains.

JOURNAL:

Journal of dental research Jan 2004, Vol 83, pp. 45-9

ABSTRACT:

Tooth crown size may be determined by both genetic and environmental factors. The aim of this study was to identify quantitative trait loci (QTLs) affecting dental crown size and determine whether there is genetic independence between upper and lower teeth, using SMXA recombinant inbred strains of mice. Mesiodistal and buccolingual crown diameters (MD and BL, respectively) of the upper and lower first molars (M(1) and M(1), respectively) were measured. For each trait, mean values of substrains showed a continuous spectrum of distribution. Genome-wide scan detected QTLs exceeding suggestive threshold levels for MD of M(1) (chromosomes 7, 13, and 17), BL of M(1) (chromosomes 8 and 13), MD of M(1) (chromosomes 7 and 13), and BL of M(1) (chromosomes 3 and 15). These findings suggest that tooth crown size is controlled by multiple genes, and that there is some independence of genetic control between M(1) and M(1). PUBMED: 14691112
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