کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1940586 1050784 2006 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
The Arf-family protein, Arl8b, is involved in the spatial distribution of lysosomes
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی زیست شیمی
پیش نمایش صفحه اول مقاله
The Arf-family protein, Arl8b, is involved in the spatial distribution of lysosomes
چکیده انگلیسی

Lysosomes are late-endocytic organelles which primarily contribute to degradation and recycling of cellular material. From a previous proteomics study of purified rat liver lysosomal membranes we identified a protein from the Arf-family of small GTPases, Arl8b. Although proteins of the Arf-family have roles in a wide range of cellular functions, most notably roles in protein/vesicular trafficking, Arl8b represents the first from this protein family to be associated with a late-endocytic organelle. We demonstrate the co-localization of this protein with various lysosomal markers in different cell lines by confocal-immunofluorescence microscopy. We also show that GTP-restricted mutant Arl8b localizes to lysosomes and causes their redistribution to the periphery of the cell and into membrane projections. This indicates that Arl8b is involved in trafficking processes for lysosomes.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 344, Issue 4, 16 June 2006, Pages 1186–1191
نویسندگان
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