GeneSet Information

Tier II GS129188 • spermatogenesis defect 1 (Spmd1 Published QTL Chr 4)

DESCRIPTION:

QTL associated with spermatogenesis defect 1. The confidence interval is Chr4:94736033-28006254 bp,+strand

LABEL:

QTL-Spmd1-Mouse-Chr 4

SCORE TYPE:

Binary

DATE ADDED:

2012-04-02

DATE UPDATED:

2020-05-06

SPECIES:

URI:

http://www.informatics.jax.org/searches/accession_report.cgi?id=MGI:3654115

AUTHORS:

Bolor H, Wakasugi N, Zhao WD, Ishikawa A

TITLE:

Detection of quantitative trait loci causing abnormal spermatogenesis and reduced testis weight in the small testis (Smt) mutant mouse.

JOURNAL:

Experimental animals / Japanese Association for Laboratory Animal Science Apr 2006, Vol 55, pp. 97-108

ABSTRACT:

The small testis (Smt) mutant mouse is characterized by a small testis of one third to one half the size of a normal testis, and its spermatogenesis is mostly arrested at early stages of meiosis, although a small number of spermatocytes at the late prophase of meiosis and a few spermatids can sometimes be seen. We performed quantitative trait locus (QTL) analysis of these spermatogenic traits and testis weight using 221 F2 males obtained from a cross between Smt and MOM (Mus musculus molossinus) mice. At the genome-wide 5% level, we detected two QTLs affecting meiosis on chromosomes 4 and 13, and two QTLs for paired testis weight as a percentage of body weight on chromosomes 4 and X. In addition, we found several QTLs for degenerated germ cells and multinuclear giant cells on chromosomes 4, 7 and 13. Interestingly, for cell degeneration, the QTL on chromosome 13 interacted epistatically with the QTL on chromosome 4. These results reveal polygenic participation in the abnormal spermatogenesis and small testis size in the Smt mutant. PUBMED: 16651692
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Annotation Information

No sequence read archive data associated with this GeneSet.


Chromosomes, Human, Pair 4 (D002894)
Giant Cells (D015726)
Spermatocytes (D013090)
Mice (D051379)
Chromosomes (D002875)
Quantitative Trait Loci (D040641)
Spermatogenesis (D013091)
Chromosomes, Human, Pair 13 (D002882)
Spermatids (D013087)
Cells (D002477)
Prophase (D011418)
Germ Cells (D005854)
Body Weight (D001835)
Testis (D013737)
Meiosis (D008540)
Confidence Intervals (D016001)
testis (MA:0000411)
small testis (MP:0001147)
decreased testis weight (MP:0004852)
abnormal spermatogenesis (MP:0001156)
prophase (GO:0051324)
cell (GO:0005623)
meiosis (GO:0007126)
spermatogenesis (GO:0007283)
chromosome (GO:0005694)
QTL map (EDAM_data:1860)

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Supported by NIH R01 AA18776 jointly funded by NIAAA and NIDA, and JAX Center for Precision Genetics NIH U54 OD 020351