• 제목/요약/키워드: Spinner mouse

검색결과 3건 처리시간 0.017초

The Mouse Mutations Circling and Spinner are Allelic

  • Kyoung in Cho;Lee, Eun-Ju;Kim, Myoung-Ok;Kim, Sung-Hyun;Pakr, Jun-Hong;Jung, Boo-Kyung;Kim, Hee-Chul;Sol ha Hwang;Suh, Jun-Gyo
    • 한국동물번식학회:학술대회논문집
    • /
    • 한국동물번식학회 2003년도 학술발표대회 발표논문초록집
    • /
    • pp.90-90
    • /
    • 2003
  • Circling mice were recorded to display profound deafness and a head-tossing and bidirectional circling behavior, showing an autosomal recessive mode of inheritance. In addition, the histological examination of inner ears revealed that the region around organ of Corti, spiral ganglion neurons and outer hair cells showed definite abnormality. On the other hand, a genetic linkage map was constructed in an intraspecific backcross between cir and C57BL/6J mice. The cir gene was mapped to a region between D9Mitl16/D9Mit15 and D9Mit38 on the mouse chromosome 9. Estimated distances between cir and D9Mitl16, and between cir and D9Mit38 are 0.70 $\pm$ 0.40 and 0.23 $\pm$ 0.23 cM, respectively. The markers in order was defined as follows: centromere-D9Mit182- D9Mit51/ D9Mit79/ D9Mit310- D9Mit212/ D9Mit184- D9Mit116/ D9Mit15- cir- D9Mit38- D9Mit20- D9Mit243- D9Mit16- D9Mit55/ D9Mit125- D9Mit281 Based on genetic mapping, we constructed for a YAC contig across cir region. They covered the entire region or cir and cir gene was located on between the lactotransferrin (ltf) and the macrotubule-associated protein (map4). It is known that sr gene is localized in 64cM of mouse chromosome 9. The two mouse were found to be allelic by complementation test. Recently the spinner mouse has been mapped to our cir region, and tmie gene were elucidated. And further study will be needed in circling mouse to prove tmie gene mutaiton.

  • PDF

Evidance that Two Mouse Deafness Mutation, Cir and Sr, are Allelic

  • Cho, Kyung-In;Lee, Eun-Ju;Kim, Myoung-Ok;Kim, Sung-Hyun;Park, Jun-Hong;Park, Jung-Ok;Ryoo, Zae-Young
    • 한국동물번식학회:학술대회논문집
    • /
    • 한국동물번식학회 2002년도 춘계학술발표대회 발표논문초록집
    • /
    • pp.68-68
    • /
    • 2002
  • Positional cloning of hereditary deafness genes is a direct approach to identify molecules and mechanisms underlying auditory function. Nowadays many deafness genes are newly identified by finding the locus for the causative genes. Mutations at many different loci in humans and mice are known to cause hearing impairment. Mouse mutants exhibiting deafness may be useful in identifying some of genes involved. (omitted)

  • PDF

A 40 Kb Genomic Deletion Including tmie (Transmembrane Inner Ear Protein) Gene Causes Deafness, Circling and Head Tossing in Circling Mice

  • Kyoung In Cho;Jeong Woong Lee;Eun Ju Lee;Sol Ha Hwang;Myoung Ok Kim;Sung Hyun Kim;Jun Hong Park;Boo Kyoung Jung;Hee Chul Kim
    • 한국동물번식학회:학술대회논문집
    • /
    • 한국동물번식학회 2004년도 춘계학술발표대회
    • /
    • pp.226-226
    • /
    • 2004
  • Circling (cir) mouse is a spontaneous mutant in the inner ear that was first reported in Korea. The mutation is transmitted by an autosomal recessive gene with 100 %- penetrance.. Homozygous mice are characterized by head-tossing, bi-directional circling behavior and deafness. Histologicalexamination of the inner ear reveals abnormalities of the region around the organ of Corti, spiral ganglion neurons, and outer hair cells. (omitted)

  • PDF