Normal germ line establishment in mice carrying a deletion of the Ifitm/Fragilis gene family cluster
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Normal germ line establishment in mice carrying a deletion of the Ifitm/Fragilis gene family cluster. / Lange, Ulrike C; Adams, David J; Lee, Caroline; Barton, Sheila; Schneider, Robert; Bradley, Allan; Surani, M Azim.
In: MOL CELL BIOL, Vol. 28, No. 15, 01.08.2008, p. 4688-96.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Normal germ line establishment in mice carrying a deletion of the Ifitm/Fragilis gene family cluster
AU - Lange, Ulrike C
AU - Adams, David J
AU - Lee, Caroline
AU - Barton, Sheila
AU - Schneider, Robert
AU - Bradley, Allan
AU - Surani, M Azim
PY - 2008/8/1
Y1 - 2008/8/1
N2 - The family of interferon-inducible transmembrane proteins (Ifitm) consists of five highly sequence-related cell surface proteins, which are implicated in diverse cellular processes. Ifitm genes are conserved, widely expressed, and characteristically found in genomic clusters, such as the 67-kb Ifitm family locus on mouse chromosome 7. Recently, Ifitm1 and Ifitm3 have been suggested to mediate migration of early primordial germ cells (PGCs), a process that is little understood. To investigate Ifitm function during germ cell development, we used targeted chromosome engineering to generate mutants which either lack the entire Ifitm locus or carry a disrupted Ifitm3 gene only. Here we show that the mutations have no detectable effects on development of the germ line or on the generation of live young. Hence, contrary to previous reports, Ifitm genes are not essential for PGC migration. The Ifitm family is a striking example of a conserved gene cluster which appears to be functionally redundant during development.
AB - The family of interferon-inducible transmembrane proteins (Ifitm) consists of five highly sequence-related cell surface proteins, which are implicated in diverse cellular processes. Ifitm genes are conserved, widely expressed, and characteristically found in genomic clusters, such as the 67-kb Ifitm family locus on mouse chromosome 7. Recently, Ifitm1 and Ifitm3 have been suggested to mediate migration of early primordial germ cells (PGCs), a process that is little understood. To investigate Ifitm function during germ cell development, we used targeted chromosome engineering to generate mutants which either lack the entire Ifitm locus or carry a disrupted Ifitm3 gene only. Here we show that the mutations have no detectable effects on development of the germ line or on the generation of live young. Hence, contrary to previous reports, Ifitm genes are not essential for PGC migration. The Ifitm family is a striking example of a conserved gene cluster which appears to be functionally redundant during development.
KW - Animals
KW - Cell Lineage
KW - Cell Movement
KW - Embryo, Mammalian
KW - Fertility
KW - Gene Deletion
KW - Gene Expression Regulation, Developmental
KW - Gene Targeting
KW - Germ Cells
KW - Gonads
KW - Green Fluorescent Proteins
KW - Homozygote
KW - Membrane Proteins
KW - Mice
KW - Multigene Family
U2 - 10.1128/MCB.00272-08
DO - 10.1128/MCB.00272-08
M3 - SCORING: Journal article
C2 - 18505827
VL - 28
SP - 4688
EP - 4696
JO - MOL CELL BIOL
JF - MOL CELL BIOL
SN - 0270-7306
IS - 15
ER -