ROOT ULTRAVIOLET B-SENSITIVE1/WEAK AUXIN RESPONSE3 Is Essential for Polar Auxin Transport in Arabidopsis. Yu, H., Karampelias, M., Robert, S., Peer, W. A., Swarup, R., Ye, S., Ge, L., Cohen, J., Murphy, A., Friml, J., & Estelle, M. Plant Physiology, 162(2):965–976, May, 2013. ![ROOT ULTRAVIOLET B-SENSITIVE1/WEAK AUXIN RESPONSE3 Is Essential for Polar Auxin Transport in Arabidopsis [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Abstract The phytohormone auxin regulates virtually every aspect of plant development. To identify new genes involved in auxin activity, a genetic screen was performed for Arabidopsis (Arabidopsis thaliana) mutants with altered expression of the auxin-responsive reporter DR5rev:GFP. One of the mutants recovered in the screen, designated as weak auxin response3 (wxr3), exhibits much lower DR5rev:GFP expression when treated with the synthetic auxin 2,4-dichlorophenoxyacetic acid and displays severe defects in root development. The wxr3 mutant decreases polar auxin transport and results in a disruption of the asymmetric auxin distribution. The levels of the auxin transporters AUXIN1 and PIN-FORMED are dramatically reduced in the wxr3 root tip. Molecular analyses demonstrate that WXR3 is ROOT ULTRAVIOLET B-SENSITIVE1 (RUS1), a member of the conserved Domain of Unknown Function647 protein family found in diverse eukaryotic organisms. Our data suggest that RUS1/WXR3 plays an essential role in the regulation of polar auxin transport by maintaining the proper level of auxin transporters on the plasma membrane.
@article{yu_root_2013,
title = {{ROOT} {ULTRAVIOLET} {B}-{SENSITIVE1}/{WEAK} {AUXIN} {RESPONSE3} {Is} {Essential} for {Polar} {Auxin} {Transport} in {Arabidopsis}},
volume = {162},
issn = {1532-2548},
url = {https://academic.oup.com/plphys/article/162/2/965/6110776},
doi = {10/f3rt2n},
abstract = {Abstract
The phytohormone auxin regulates virtually every aspect of plant development. To identify new genes involved in auxin activity, a genetic screen was performed for Arabidopsis (Arabidopsis thaliana) mutants with altered expression of the auxin-responsive reporter DR5rev:GFP. One of the mutants recovered in the screen, designated as weak auxin response3 (wxr3), exhibits much lower DR5rev:GFP expression when treated with the synthetic auxin 2,4-dichlorophenoxyacetic acid and displays severe defects in root development. The wxr3 mutant decreases polar auxin transport and results in a disruption of the asymmetric auxin distribution. The levels of the auxin transporters AUXIN1 and PIN-FORMED are dramatically reduced in the wxr3 root tip. Molecular analyses demonstrate that WXR3 is ROOT ULTRAVIOLET B-SENSITIVE1 (RUS1), a member of the conserved Domain of Unknown Function647 protein family found in diverse eukaryotic organisms. Our data suggest that RUS1/WXR3 plays an essential role in the regulation of polar auxin transport by maintaining the proper level of auxin transporters on the plasma membrane.},
language = {en},
number = {2},
urldate = {2021-06-08},
journal = {Plant Physiology},
author = {Yu, Hong and Karampelias, Michael and Robert, Stephanie and Peer, Wendy Ann and Swarup, Ranjan and Ye, Songqing and Ge, Lei and Cohen, Jerry and Murphy, Angus and Friml, Jirí and Estelle, Mark},
month = may,
year = {2013},
pages = {965--976},
}
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One of the mutants recovered in the screen, designated as weak auxin response3 (wxr3), exhibits much lower DR5rev:GFP expression when treated with the synthetic auxin 2,4-dichlorophenoxyacetic acid and displays severe defects in root development. The wxr3 mutant decreases polar auxin transport and results in a disruption of the asymmetric auxin distribution. The levels of the auxin transporters AUXIN1 and PIN-FORMED are dramatically reduced in the wxr3 root tip. Molecular analyses demonstrate that WXR3 is ROOT ULTRAVIOLET B-SENSITIVE1 (RUS1), a member of the conserved Domain of Unknown Function647 protein family found in diverse eukaryotic organisms. Our data suggest that RUS1/WXR3 plays an essential role in the regulation of polar auxin transport by maintaining the proper level of auxin transporters on the plasma membrane.","language":"en","number":"2","urldate":"2021-06-08","journal":"Plant Physiology","author":[{"propositions":[],"lastnames":["Yu"],"firstnames":["Hong"],"suffixes":[]},{"propositions":[],"lastnames":["Karampelias"],"firstnames":["Michael"],"suffixes":[]},{"propositions":[],"lastnames":["Robert"],"firstnames":["Stephanie"],"suffixes":[]},{"propositions":[],"lastnames":["Peer"],"firstnames":["Wendy","Ann"],"suffixes":[]},{"propositions":[],"lastnames":["Swarup"],"firstnames":["Ranjan"],"suffixes":[]},{"propositions":[],"lastnames":["Ye"],"firstnames":["Songqing"],"suffixes":[]},{"propositions":[],"lastnames":["Ge"],"firstnames":["Lei"],"suffixes":[]},{"propositions":[],"lastnames":["Cohen"],"firstnames":["Jerry"],"suffixes":[]},{"propositions":[],"lastnames":["Murphy"],"firstnames":["Angus"],"suffixes":[]},{"propositions":[],"lastnames":["Friml"],"firstnames":["Jirí"],"suffixes":[]},{"propositions":[],"lastnames":["Estelle"],"firstnames":["Mark"],"suffixes":[]}],"month":"May","year":"2013","pages":"965–976","bibtex":"@article{yu_root_2013,\n\ttitle = {{ROOT} {ULTRAVIOLET} {B}-{SENSITIVE1}/{WEAK} {AUXIN} {RESPONSE3} {Is} {Essential} for {Polar} {Auxin} {Transport} in {Arabidopsis}},\n\tvolume = {162},\n\tissn = {1532-2548},\n\turl = {https://academic.oup.com/plphys/article/162/2/965/6110776},\n\tdoi = {10/f3rt2n},\n\tabstract = {Abstract\n The phytohormone auxin regulates virtually every aspect of plant development. To identify new genes involved in auxin activity, a genetic screen was performed for Arabidopsis (Arabidopsis thaliana) mutants with altered expression of the auxin-responsive reporter DR5rev:GFP. One of the mutants recovered in the screen, designated as weak auxin response3 (wxr3), exhibits much lower DR5rev:GFP expression when treated with the synthetic auxin 2,4-dichlorophenoxyacetic acid and displays severe defects in root development. The wxr3 mutant decreases polar auxin transport and results in a disruption of the asymmetric auxin distribution. The levels of the auxin transporters AUXIN1 and PIN-FORMED are dramatically reduced in the wxr3 root tip. Molecular analyses demonstrate that WXR3 is ROOT ULTRAVIOLET B-SENSITIVE1 (RUS1), a member of the conserved Domain of Unknown Function647 protein family found in diverse eukaryotic organisms. 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