Mutations in the FTSJ1 gene coding for a novel S-adenosylmethionine-binding protein cause nonsyndromic X-linked mental retardation
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Mutations in the FTSJ1 gene coding for a novel S-adenosylmethionine-binding protein cause nonsyndromic X-linked mental retardation. / Freude, Kristine; Hoffmann, Kirsten; Jensen, Lars-Riff; Delatycki, Martin B; des Portes, Vincent; Moser, Bettina; Hamel, Ben; van Bokhoven, Hans; Moraine, Claude; Fryns, Jean-Pierre; Chelly, Jamel; Gécz, Jozef; Lenzner, Steffen; Kalscheuer, Vera M; Ropers, Hans-Hilger; Freude, Karla Kristine.
In: American Journal of Human Genetics, Vol. 75, No. 2, 08.2004, p. 305-9.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Mutations in the FTSJ1 gene coding for a novel S-adenosylmethionine-binding protein cause nonsyndromic X-linked mental retardation
AU - Freude, Kristine
AU - Hoffmann, Kirsten
AU - Jensen, Lars-Riff
AU - Delatycki, Martin B
AU - des Portes, Vincent
AU - Moser, Bettina
AU - Hamel, Ben
AU - van Bokhoven, Hans
AU - Moraine, Claude
AU - Fryns, Jean-Pierre
AU - Chelly, Jamel
AU - Gécz, Jozef
AU - Lenzner, Steffen
AU - Kalscheuer, Vera M
AU - Ropers, Hans-Hilger
AU - Freude, Karla Kristine
PY - 2004/8
Y1 - 2004/8
N2 - Nonsyndromic X-linked mental retardation (NSXLMR) is a very heterogeneous condition, and most of the underlying gene defects are still unknown. Recently, we have shown that approximately 30% of these genes cluster on the proximal Xp, which prompted us to perform systematic mutation screening in brain-expressed genes from this region. Here, we report on a novel NSXLMR gene, FTSJ1, which harbors mutations in three unrelated families--one with a splicing defect, one with a nonsense mutation, and one with a deletion of one nucleotide. In two families, subsequent expression studies showed complete absence or significant reduction of mutant FTSJ1 transcripts. FTSJ1 protein is a homolog of Escherichia coli RNA methyltransferase FtsJ/RrmJ and may play a role in the regulation of translation. Further studies aim to elucidate the function of human FTSJ1 and its role during brain development.
AB - Nonsyndromic X-linked mental retardation (NSXLMR) is a very heterogeneous condition, and most of the underlying gene defects are still unknown. Recently, we have shown that approximately 30% of these genes cluster on the proximal Xp, which prompted us to perform systematic mutation screening in brain-expressed genes from this region. Here, we report on a novel NSXLMR gene, FTSJ1, which harbors mutations in three unrelated families--one with a splicing defect, one with a nonsense mutation, and one with a deletion of one nucleotide. In two families, subsequent expression studies showed complete absence or significant reduction of mutant FTSJ1 transcripts. FTSJ1 protein is a homolog of Escherichia coli RNA methyltransferase FtsJ/RrmJ and may play a role in the regulation of translation. Further studies aim to elucidate the function of human FTSJ1 and its role during brain development.
KW - Adult
KW - Blotting, Northern
KW - Child, Preschool
KW - Chromosomes, Human, X
KW - Female
KW - Humans
KW - Infant
KW - Male
KW - Mental Retardation, X-Linked
KW - Methyltransferases
KW - Molecular Sequence Data
KW - Nuclear Proteins
KW - Pedigree
KW - Sequence Analysis, DNA
U2 - 10.1086/422507
DO - 10.1086/422507
M3 - Journal article
C2 - 15162322
VL - 75
SP - 305
EP - 309
JO - American Journal of Human Genetics
JF - American Journal of Human Genetics
SN - 0002-9297
IS - 2
ER -
ID: 138433984