Characterization, expression and complex formation of the murine Fanconi anaemia gene product Fancg

Henri J. Van De Vrugt, Mireille Koomen, Mariska A D Berns, Yne De Vries, Martin A. Rooimans, Laura Van Der Weel, Eric Blom, Jan De Groot, Rik J. Schepers, Stacie Stone, Maureen Hoatlin, Ngan Ching Cheng, Hans Joenje, Fré Arwert

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Background: Fanconi anaemia (FA) is an autosomal recessive chromosomal instability disorder. Six distinct FA disease genes have been identified, the products of which function in an integrated pathway that is thought to support a nuclear caretaker function. Comparison of FA gene characteristics in different species may help to unravel the molecular function of the FA pathway. Results: We have cloned the murine homologue of the Fanconi anaemia complementation group G gene, FANCG/XRCC9. The murine Fancg protein shows an 83% similarity to the human protein sequence, and has a predicted molecular weight of 68.5 kDa. Expression of mouse Fancg in human FA-G lymphoblasts fully corrects their cross-linker hypersensitivity. At mRNA and protein levels we detected the co-expression of Fancg and Fanca in murine tissues. In addition, mouse Fancg and Fanca in proteins co-purify by immunoprecipitation. Upon transfection into Fanca-deficient mouse embryonic fibroblasts EGFP-Fancg chimeric protein was detectable in the nucleus. Conclusions: We identified a murine cDNA, Fancg, which cross-complements the cellular defect of human FA-G cells and thus represents a true homologue of human FANCG. Spleen, thymus and testis showed the highest Fancg expression levels. Although Fancg and Fanca are able to form a complex, this interaction is not required for Fancg to accumulate in the nuclear compartment.

Original languageEnglish (US)
Pages (from-to)333-342
Number of pages10
JournalGenes to Cells
Volume7
Issue number3
DOIs
StatePublished - 2002

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Fanconi Anemia
Genes
Proteins
Chromosome Disorders
Gastrin-Secreting Cells
Chromosomal Instability
Immunoprecipitation
Thymus Gland
Transfection
Testis
Hypersensitivity
Spleen
Complementary DNA
Fibroblasts
Molecular Weight
Messenger RNA

ASJC Scopus subject areas

  • Genetics
  • Cell Biology

Cite this

Van De Vrugt, H. J., Koomen, M., Berns, M. A. D., De Vries, Y., Rooimans, M. A., Van Der Weel, L., ... Arwert, F. (2002). Characterization, expression and complex formation of the murine Fanconi anaemia gene product Fancg. Genes to Cells, 7(3), 333-342. https://doi.org/10.1046/j.1365-2443.2002.00518.x

Characterization, expression and complex formation of the murine Fanconi anaemia gene product Fancg. / Van De Vrugt, Henri J.; Koomen, Mireille; Berns, Mariska A D; De Vries, Yne; Rooimans, Martin A.; Van Der Weel, Laura; Blom, Eric; De Groot, Jan; Schepers, Rik J.; Stone, Stacie; Hoatlin, Maureen; Cheng, Ngan Ching; Joenje, Hans; Arwert, Fré.

In: Genes to Cells, Vol. 7, No. 3, 2002, p. 333-342.

Research output: Contribution to journalArticle

Van De Vrugt, HJ, Koomen, M, Berns, MAD, De Vries, Y, Rooimans, MA, Van Der Weel, L, Blom, E, De Groot, J, Schepers, RJ, Stone, S, Hoatlin, M, Cheng, NC, Joenje, H & Arwert, F 2002, 'Characterization, expression and complex formation of the murine Fanconi anaemia gene product Fancg', Genes to Cells, vol. 7, no. 3, pp. 333-342. https://doi.org/10.1046/j.1365-2443.2002.00518.x
Van De Vrugt HJ, Koomen M, Berns MAD, De Vries Y, Rooimans MA, Van Der Weel L et al. Characterization, expression and complex formation of the murine Fanconi anaemia gene product Fancg. Genes to Cells. 2002;7(3):333-342. https://doi.org/10.1046/j.1365-2443.2002.00518.x
Van De Vrugt, Henri J. ; Koomen, Mireille ; Berns, Mariska A D ; De Vries, Yne ; Rooimans, Martin A. ; Van Der Weel, Laura ; Blom, Eric ; De Groot, Jan ; Schepers, Rik J. ; Stone, Stacie ; Hoatlin, Maureen ; Cheng, Ngan Ching ; Joenje, Hans ; Arwert, Fré. / Characterization, expression and complex formation of the murine Fanconi anaemia gene product Fancg. In: Genes to Cells. 2002 ; Vol. 7, No. 3. pp. 333-342.
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AU - Van De Vrugt, Henri J.

AU - Koomen, Mireille

AU - Berns, Mariska A D

AU - De Vries, Yne

AU - Rooimans, Martin A.

AU - Van Der Weel, Laura

AU - Blom, Eric

AU - De Groot, Jan

AU - Schepers, Rik J.

AU - Stone, Stacie

AU - Hoatlin, Maureen

AU - Cheng, Ngan Ching

AU - Joenje, Hans

AU - Arwert, Fré

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Y1 - 2002

N2 - Background: Fanconi anaemia (FA) is an autosomal recessive chromosomal instability disorder. Six distinct FA disease genes have been identified, the products of which function in an integrated pathway that is thought to support a nuclear caretaker function. Comparison of FA gene characteristics in different species may help to unravel the molecular function of the FA pathway. Results: We have cloned the murine homologue of the Fanconi anaemia complementation group G gene, FANCG/XRCC9. The murine Fancg protein shows an 83% similarity to the human protein sequence, and has a predicted molecular weight of 68.5 kDa. Expression of mouse Fancg in human FA-G lymphoblasts fully corrects their cross-linker hypersensitivity. At mRNA and protein levels we detected the co-expression of Fancg and Fanca in murine tissues. In addition, mouse Fancg and Fanca in proteins co-purify by immunoprecipitation. Upon transfection into Fanca-deficient mouse embryonic fibroblasts EGFP-Fancg chimeric protein was detectable in the nucleus. Conclusions: We identified a murine cDNA, Fancg, which cross-complements the cellular defect of human FA-G cells and thus represents a true homologue of human FANCG. Spleen, thymus and testis showed the highest Fancg expression levels. Although Fancg and Fanca are able to form a complex, this interaction is not required for Fancg to accumulate in the nuclear compartment.

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