The mouse Mid1 gene: Implications for the pathogenesis of Opitz syndrome and the evolution of the mammalian pseudoautosomal region

Laura Dal Zotto, Nandita A. Quaderi, Rosemary Elliott, Patricia A. Lingerfelter, Laura Carrel, Valentina Valsecchi, Eugenio Montini, Chao Huang Yen, Verne Chapman, Iveta Kalcheva, Giulia Arrigo, Orsetta Zuffardi, Sushma Thomas, Huntington F. Willard, Andrea Ballabio, Christine M. Disteche, Elena I. Rugarli

Research output: Contribution to journalArticle

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Abstract

We have recently reported isolation of the gene responsible for X-linked Opitz G/BBB syndrome, a defect of midline development. MID1 is located on the distal short arm of the human X chromosome (Xp22.3) and encodes a novel member of the B box family of zinc finger proteins. We have now cloned the murine homolog of MID1 and performed preliminary expression studies during development. Mid1 expression in undifferentiated cells in the central nervous, gastrointestinal and urogenital systems suggests that abnormal cell proliferation may underlie the defect in midline development characteristic of Opitz syndrome. We have also found that Mid1 is located within the mouse pseudoautosomal region (PAR) in Mus musculus, while it seems to be X-specific in Mus spretus. Therefore, Mid1 is likely to be a recent acquisition of the M. musculus PAR. Genetic and FISH analyses also demonstrated a high frequency of unequal crossovers in the murine PAR, creating spontaneous deletion/duplication events involving Mid1. These data provide evidence for the first time that genetic instability of the PAR may affect functionally important genes. In addition, we show that MID1 is the first example of a gene subject to X-inactivation in man while escaping it in mouse. These data contribute to a better understanding of the molecular content and evolution of the rodent PAR.

Original languageEnglish (US)
Pages (from-to)489-499
Number of pages11
JournalHuman Molecular Genetics
Volume7
Issue number3
DOIs
StatePublished - Mar 1 1998

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Genes
Chromosomes, Human, X
Urogenital System
X Chromosome Inactivation
X-Linked Genes
Molecular Evolution
Zinc Fingers
Rodentia
Central Nervous System
Cell Proliferation
Pseudoautosomal Regions
X-Linked Opitz GBBB Syndrome
Proteins
Hypertelorism with esophageal abnormality and hypospadias

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Genetics
  • Genetics(clinical)

Cite this

Dal Zotto, Laura ; Quaderi, Nandita A. ; Elliott, Rosemary ; Lingerfelter, Patricia A. ; Carrel, Laura ; Valsecchi, Valentina ; Montini, Eugenio ; Yen, Chao Huang ; Chapman, Verne ; Kalcheva, Iveta ; Arrigo, Giulia ; Zuffardi, Orsetta ; Thomas, Sushma ; Willard, Huntington F. ; Ballabio, Andrea ; Disteche, Christine M. ; Rugarli, Elena I. / The mouse Mid1 gene : Implications for the pathogenesis of Opitz syndrome and the evolution of the mammalian pseudoautosomal region. In: Human Molecular Genetics. 1998 ; Vol. 7, No. 3. pp. 489-499.
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abstract = "We have recently reported isolation of the gene responsible for X-linked Opitz G/BBB syndrome, a defect of midline development. MID1 is located on the distal short arm of the human X chromosome (Xp22.3) and encodes a novel member of the B box family of zinc finger proteins. We have now cloned the murine homolog of MID1 and performed preliminary expression studies during development. Mid1 expression in undifferentiated cells in the central nervous, gastrointestinal and urogenital systems suggests that abnormal cell proliferation may underlie the defect in midline development characteristic of Opitz syndrome. We have also found that Mid1 is located within the mouse pseudoautosomal region (PAR) in Mus musculus, while it seems to be X-specific in Mus spretus. Therefore, Mid1 is likely to be a recent acquisition of the M. musculus PAR. Genetic and FISH analyses also demonstrated a high frequency of unequal crossovers in the murine PAR, creating spontaneous deletion/duplication events involving Mid1. These data provide evidence for the first time that genetic instability of the PAR may affect functionally important genes. In addition, we show that MID1 is the first example of a gene subject to X-inactivation in man while escaping it in mouse. These data contribute to a better understanding of the molecular content and evolution of the rodent PAR.",
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Dal Zotto, L, Quaderi, NA, Elliott, R, Lingerfelter, PA, Carrel, L, Valsecchi, V, Montini, E, Yen, CH, Chapman, V, Kalcheva, I, Arrigo, G, Zuffardi, O, Thomas, S, Willard, HF, Ballabio, A, Disteche, CM & Rugarli, EI 1998, 'The mouse Mid1 gene: Implications for the pathogenesis of Opitz syndrome and the evolution of the mammalian pseudoautosomal region', Human Molecular Genetics, vol. 7, no. 3, pp. 489-499. https://doi.org/10.1093/hmg/7.3.489

The mouse Mid1 gene : Implications for the pathogenesis of Opitz syndrome and the evolution of the mammalian pseudoautosomal region. / Dal Zotto, Laura; Quaderi, Nandita A.; Elliott, Rosemary; Lingerfelter, Patricia A.; Carrel, Laura; Valsecchi, Valentina; Montini, Eugenio; Yen, Chao Huang; Chapman, Verne; Kalcheva, Iveta; Arrigo, Giulia; Zuffardi, Orsetta; Thomas, Sushma; Willard, Huntington F.; Ballabio, Andrea; Disteche, Christine M.; Rugarli, Elena I.

In: Human Molecular Genetics, Vol. 7, No. 3, 01.03.1998, p. 489-499.

Research output: Contribution to journalArticle

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T1 - The mouse Mid1 gene

T2 - Implications for the pathogenesis of Opitz syndrome and the evolution of the mammalian pseudoautosomal region

AU - Dal Zotto, Laura

AU - Quaderi, Nandita A.

AU - Elliott, Rosemary

AU - Lingerfelter, Patricia A.

AU - Carrel, Laura

AU - Valsecchi, Valentina

AU - Montini, Eugenio

AU - Yen, Chao Huang

AU - Chapman, Verne

AU - Kalcheva, Iveta

AU - Arrigo, Giulia

AU - Zuffardi, Orsetta

AU - Thomas, Sushma

AU - Willard, Huntington F.

AU - Ballabio, Andrea

AU - Disteche, Christine M.

AU - Rugarli, Elena I.

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N2 - We have recently reported isolation of the gene responsible for X-linked Opitz G/BBB syndrome, a defect of midline development. MID1 is located on the distal short arm of the human X chromosome (Xp22.3) and encodes a novel member of the B box family of zinc finger proteins. We have now cloned the murine homolog of MID1 and performed preliminary expression studies during development. Mid1 expression in undifferentiated cells in the central nervous, gastrointestinal and urogenital systems suggests that abnormal cell proliferation may underlie the defect in midline development characteristic of Opitz syndrome. We have also found that Mid1 is located within the mouse pseudoautosomal region (PAR) in Mus musculus, while it seems to be X-specific in Mus spretus. Therefore, Mid1 is likely to be a recent acquisition of the M. musculus PAR. Genetic and FISH analyses also demonstrated a high frequency of unequal crossovers in the murine PAR, creating spontaneous deletion/duplication events involving Mid1. These data provide evidence for the first time that genetic instability of the PAR may affect functionally important genes. In addition, we show that MID1 is the first example of a gene subject to X-inactivation in man while escaping it in mouse. These data contribute to a better understanding of the molecular content and evolution of the rodent PAR.

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