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Conserved Arabidops...
Conserved Arabidopsis ECHIDNA protein mediates trans-Golgi-network trafficking and cell elongation
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- Gendre, Delphine (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology
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- Oh, Jaesung (författare)
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences
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- Boutté, Yohann (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology
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- Best, Jacob G (författare)
- University of British Columbia, Vancouver
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- Samuels, Lacey (författare)
- University of British Columbia, Vancouver
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- Nilsson, Robert (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology
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- Uemura, Tomohiro (författare)
- University of Tokyo
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- Marchant, Alan (författare)
- University of Southampton
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- Bennett, Malcolm J (författare)
- University of Notttingham
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- Grebe, Markus, 1967- (författare)
- Umeå universitet,Umeå Plant Science Centre (UPSC),Swedish University of Agricultural Sciences
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- Bhalerao, Rishikesh P. (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology
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(creator_code:org_t)
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- 2011-04-21
- 2011
- Engelska.
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Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : Proceedings of the National Academy of Sciences. - 0027-8424 .- 1091-6490. ; 108:19, s. 8048-8053
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://res.slu.se/i...
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Abstract
Ämnesord
Stäng
- Multiple steps of plant growth and development rely on rapid cell elongation during which secretory and endocytic trafficking via the trans-Golgi network (TGN) plays a central role. Here, we identify the ECHIDNA (ECH) protein from Arabidopsis thaliana as a TGN-localized component crucial for TGN function. ECH partially complements loss of budding yeast TVP23 function and a Populus ECH complements the Arabidopsis ech mutant, suggesting functional conservation of the genes. Compared with wild-type, the Arabidopsis ech mutant exhibits severely perturbed cell elongation as well as defects in TGN structure and function, manifested by the reduced association between Golgi bodies and TGN as well as mislocalization of several TGN-localized proteins including vacuolar H(+)-ATPase subunit a1 (VHA-a1). Strikingly, ech is defective in secretory trafficking, whereas endocytosis appears unaffected in the mutant. Some aspects of the ech mutant phenotype can be phenocopied by treatment with a specific inhibitor of vacuolar H(+)-ATPases, concanamycin A, indicating that mislocalization of VHA-a1 may account for part of the defects in ech. Hence, ECH is an evolutionarily conserved component of the TGN with a central role in TGN structure and function.
Ämnesord
- NATURVETENSKAP -- Biologi -- Botanik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Botany (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Skogsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Forest Science (hsv//eng)
Nyckelord
- secretory pathway
- dwarf mutant
- vacuolar defect
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Gendre, Delphine
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Oh, Jaesung
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Boutté, Yohann
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Best, Jacob G
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Samuels, Lacey
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Nilsson, Robert
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visa fler...
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Uemura, Tomohiro
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Marchant, Alan
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Bennett, Malcolm ...
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Grebe, Markus, 1 ...
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Bhalerao, Rishik ...
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visa färre...
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