The zebrafish is an emerging model for highly sophisticated medium-throughput experiments such as genetic and chemical screens. However, studies of entire protein families within this context are often hampered by poor genetic resources such as clone libraries. Here we describe a complete collection of 76 full-length open reading frame clones for the zebrafish rab protein family. While the mouse genome contains 60 rab genes and the human genome 63, we find that 18 zebrafish rab genes have 2, and in the case of rab38, 3 paralogues. In contrast, we were unable to identify zebrafish orthologues of the mammalian Rab2b, Rab17 or Rab29. We make this resource available through the Addgene repository to facilitate cell biologic approaches using this model.
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http://dx.doi.org/10.1080/21592799.2017.1301151 | DOI Listing |
Cell Rep
November 2024
Laboratory of Cellular and Developmental Signaling, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, USA. Electronic address:
The Rab11-Rab8 cascade mediated by the Rab8 guanine nucleotide exchange factor (GEF), Rabin8, orchestrates multiple membrane transport processes, but Rab membrane loading and exchange dynamics are unclear. Here, we use advanced fluorescence imaging approaches to characterize Rab11, Rab8, and Rabin8 protein dynamics. Using fluorescence ablation and recovery studies (FRAP), we show that Rab8 ciliary trafficking requires Rab11 and Rabin8.
View Article and Find Full Text PDFAngiogenesis
November 2024
Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO, 63110, USA.
Neural Regen Res
June 2025
Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui Province, China.
JOURNAL/nrgr/04.03/01300535-202506000-00031/figure1/v/2024-08-05T133530Z/r/image-tiff Rab5 is a GTPase protein that is involved in intracellular membrane trafficking. It functions by binding to various effector proteins and regulating cellular responses, including the formation of transport vesicles and their fusion with the cellular membrane.
View Article and Find Full Text PDFbioRxiv
April 2024
Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO 63110.
Dynein cytoplasmic 1 light intermediate chain 1 (LIC1, ) is a core subunit of the dynein motor complex. The LIC1 subunit also interacts with various cargo adaptors to regulate Rab-mediated endosomal recycling and lysosomal degradation. Defects in this gene are predicted to alter dynein motor function, Rab binding capabilities, and cytoplasmic cargo trafficking.
View Article and Find Full Text PDFExp Neurol
April 2024
Hefei National Research Center for Physical Sciences at the Microscale, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China. Electronic address:
Effective axon regeneration within the central nervous system (CNS) is pivotal for achieving functional recovery following spinal cord injury (SCI). Numerous extrinsic and intrinsic factors exert influences on the axon regeneration. While prior studies have demonstrated crucial involvement of specific members the Rab protein family in axon regeneration in the peripheral nervous system (PNS), the precise function of Rab11 in CNS axon regeneration in vivo remains elusive.
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