Matches in SemOpenAlex for { <https://semopenalex.org/work/W2967684890> ?p ?o ?g. }
Showing items 1 to 62 of
62
with 100 items per page.
- W2967684890 abstract "The actin cytoskeleton is required for cell expansion and is implicated in cellular responses to the plant growth hormone auxin. However, the molecular and cellular mechanisms that coordinate auxin signaling, cytoskeletal remodeling, and cell expansion are poorly understood. Previous studies have examined actin cytoskeleton responses to long-term auxin treatment, but plants respond to auxin over short timeframes, and growth changes within minutes of exposure to the hormone. To correlate actin arrays with degree of cell expansion, we used quantitative imaging tools to establish a baseline of actin organization, as well as of individual filament behaviors in root epidermal cells under control conditions and after treatment with a known inhibitor of root growth, the auxin indole-3-acetic acid (IAA). We found that cell length was highly predictive of actin array in control roots, and that short-term IAA treatment stimulated denser, more longitudinal, and more parallel arrays by inducing filament unbundling within minutes. By demonstrating that actin filaments were more “organized” after a treatment that stopped elongation, we show there is no direct relationship between actin organization and cell expansion and refute the hypothesis that “more organized” actin universally correlates with more rapidly growing root cells. The plasma membrane-bound auxin transporter AUXIN RESISTANT 1 (AUX1) has previously been shown necessary for archetypal short-term root growth inhibition in the presence of IAA. Although AUX1 was not previously suspected of being upstream of cytoskeletal responses to IAA, we used aux1mutants to demonstrate that AUX1 is necessary for the full complement of actin rearrangements in response to auxin, and that cytoplasmic auxin in the form of the membrane permeable auxin 1‑naphthylacetic acid (NAA) is sufficient to stimulate a partial actin response. Together, these results are the first to quantitate actin cytoskeleton response to short-term auxin treatments and demonstrate that AUX1 is necessary for short-term actin remodeling." @default.
- W2967684890 created "2019-08-22" @default.
- W2967684890 creator A5049783891 @default.
- W2967684890 date "2019-08-12" @default.
- W2967684890 modified "2023-09-24" @default.
- W2967684890 title "Auxin-Induced Actin Cytoskeleton Rearrangements Require Auxin Resistant 1" @default.
- W2967684890 doi "https://doi.org/10.25394/pgs.8870840.v1" @default.
- W2967684890 hasPublicationYear "2019" @default.
- W2967684890 type Work @default.
- W2967684890 sameAs 2967684890 @default.
- W2967684890 citedByCount "0" @default.
- W2967684890 crossrefType "dissertation" @default.
- W2967684890 hasAuthorship W2967684890A5049783891 @default.
- W2967684890 hasConcept C104317684 @default.
- W2967684890 hasConcept C125705527 @default.
- W2967684890 hasConcept C142669718 @default.
- W2967684890 hasConcept C1491633281 @default.
- W2967684890 hasConcept C203253989 @default.
- W2967684890 hasConcept C207778908 @default.
- W2967684890 hasConcept C2993400109 @default.
- W2967684890 hasConcept C3620293 @default.
- W2967684890 hasConcept C55493867 @default.
- W2967684890 hasConcept C86803240 @default.
- W2967684890 hasConcept C95444343 @default.
- W2967684890 hasConceptScore W2967684890C104317684 @default.
- W2967684890 hasConceptScore W2967684890C125705527 @default.
- W2967684890 hasConceptScore W2967684890C142669718 @default.
- W2967684890 hasConceptScore W2967684890C1491633281 @default.
- W2967684890 hasConceptScore W2967684890C203253989 @default.
- W2967684890 hasConceptScore W2967684890C207778908 @default.
- W2967684890 hasConceptScore W2967684890C2993400109 @default.
- W2967684890 hasConceptScore W2967684890C3620293 @default.
- W2967684890 hasConceptScore W2967684890C55493867 @default.
- W2967684890 hasConceptScore W2967684890C86803240 @default.
- W2967684890 hasConceptScore W2967684890C95444343 @default.
- W2967684890 hasLocation W29676848901 @default.
- W2967684890 hasOpenAccess W2967684890 @default.
- W2967684890 hasPrimaryLocation W29676848901 @default.
- W2967684890 hasRelatedWork W1996469966 @default.
- W2967684890 hasRelatedWork W2036680758 @default.
- W2967684890 hasRelatedWork W2057253482 @default.
- W2967684890 hasRelatedWork W2063661525 @default.
- W2967684890 hasRelatedWork W2067048150 @default.
- W2967684890 hasRelatedWork W2086727829 @default.
- W2967684890 hasRelatedWork W2100123671 @default.
- W2967684890 hasRelatedWork W2120229127 @default.
- W2967684890 hasRelatedWork W2149461129 @default.
- W2967684890 hasRelatedWork W2156237625 @default.
- W2967684890 hasRelatedWork W2245428223 @default.
- W2967684890 hasRelatedWork W2316535511 @default.
- W2967684890 hasRelatedWork W2320533964 @default.
- W2967684890 hasRelatedWork W2377732553 @default.
- W2967684890 hasRelatedWork W2519679981 @default.
- W2967684890 hasRelatedWork W254470524 @default.
- W2967684890 hasRelatedWork W2944053279 @default.
- W2967684890 hasRelatedWork W2962249075 @default.
- W2967684890 hasRelatedWork W2990933324 @default.
- W2967684890 hasRelatedWork W3185500607 @default.
- W2967684890 isParatext "false" @default.
- W2967684890 isRetracted "false" @default.
- W2967684890 magId "2967684890" @default.
- W2967684890 workType "dissertation" @default.