References of "Boutaffala, Layla"
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See detailNew pro-death function of NIK downstream of TNFR1
Boutaffala, Layla ULg

Doctoral thesis (2013)

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See detailThe ARG9 Gene Encodes the Plastid-Resident N-Acetyl Ornithine Aminotransferase in the Green Alga Chlamydomonas reinhardtii
Remacle, Claire ULg; Cline, Sara; Boutaffala, Layla ULg et al

in Eukaryotic Cell (2009), 8(9), 1460-1463

Here we report the characterization of the Chlamydomonas reinhardtii gene ARG9, encoding the plastid resident N-acetyl ornithine aminotransferase, which is involved in arginine synthesis. Integration of ... [more ▼]

Here we report the characterization of the Chlamydomonas reinhardtii gene ARG9, encoding the plastid resident N-acetyl ornithine aminotransferase, which is involved in arginine synthesis. Integration of an engineered ARG9 cassette in the plastid chromosome of the nuclear arg9 mutant restores arginine prototrophy. This suggests that ARG9 could be used as a new selectable marker for plastid transformation. [less ▲]

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See detailIn Chlamydomonas, the Loss of Nd5 Subunit Prevents the Assembly of Whole Mitochondrial Complex I and Leads to the Formation of a Low Abundant 700 Kda Subcomplex
Cardol, Pierre ULg; Boutaffala, Layla ULg; Memmi, S. et al

in Biochimica et Biophysica Acta-Bioenergetics (2008), 1777

In the green alga Chlamydomonas reinhardtii, a mutant deprived of complex I enzyme activity presents a 1T deletion in the mitochondrial nd5 gene. The loss of the ND5 subunit prevents the assembly of the ... [more ▼]

In the green alga Chlamydomonas reinhardtii, a mutant deprived of complex I enzyme activity presents a 1T deletion in the mitochondrial nd5 gene. The loss of the ND5 subunit prevents the assembly of the 950 kDa whole complex I. Instead, a low abundant 700 kDa subcomplex, loosely associated to the inner mitochondrial membrane, is assembled. The resolution of the subcomplex by SDS-PAGE gave rise to 19 individual spots, sixteen having been identified by mass spectrometry analysis. Eleven, mainly associated to the hydrophilic part of the complex, are homologs to subunits of the bovine enzyme whereas five (including gamma-type carbonic anhydrase subunits) are specific to green plants or to plants and fungi. None of the subunits typical of the beta membrane domain of complex I enzyme has been identified in the mutant. This allows us to propose that the truncated enzyme misses the membrane distal domain of complex I but retains the proximal domain associated to the matrix arm of the enzyme. A complex I topology model is presented in the light of our results. Finally, a supercomplex most probably corresponding to complex I-complex III association, was identified in mutant mitochondria, indicating that the missing part of the enzyme is not required for the formation of the supercomplex. [less ▲]

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