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231222s2003 xx ||||| 00| ||eng c |
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|a pubmed25n0419.xml
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|a (NLM)12806774
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Bhatla, Satish Chander
|e verfasserin
|4 aut
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1 |
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|a Distribution of activated calmodulin in the chloronema tip cells of the moss Funaria hygrometrica
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|c 2003
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 07.08.2003
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|a Date Revised 30.09.2020
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|a published: Print
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|a Citation Status MEDLINE
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|a Auxin (indole-3-acetic acid) regulates caulonema differentiation as a result of gradual transitional events in the chloronema tip cells in moss protonema. This auxin action in the moss Funaria hygrometrica involves a rapid influx of calcium ions from the extracellular medium. This investigation demonstrates spatial and temporal changes in calmodulin (CaM) activation (formation of Ca(2+)-CaM complex) in the chloronema tip cells subjected to auxin treatment. Photomicroscopic localisation of the fluorescence (excitation at 365 nm and emission of 397 nm) from the tricomplex of Ca(2+)-CaM with trifluoperazine (TFP, a blocker of Ca(2+)-CaM action) shows a tip to base (tip high) gradient of Ca(2+)-CaM in the chloronema tip cells. Comparison of Ca(2+)-CaM-TFP fluorescence over time in the chloronema tip cells of wild type Funaria with the response in an auxin overproducer mutant (86.1) and an auxin deficient mutant (87.13) reveals the involvement of auxin in calmodulin activation as a rapid response prior to cell differentiation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a Calmodulin
|2 NLM
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| 650 |
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|a Fluorescent Dyes
|2 NLM
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| 650 |
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|a Indoleacetic Acids
|2 NLM
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| 650 |
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|a indoleacetic acid
|2 NLM
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| 650 |
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|a 6U1S09C61L
|2 NLM
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| 650 |
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|a Calcium
|2 NLM
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| 650 |
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|a SY7Q814VUP
|2 NLM
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| 700 |
1 |
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|a Haschke, Hans Peter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hartmann, Elmar
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 160(2003), 5 vom: 21. Mai, Seite 469-74
|w (DE-627)NLM098174622
|x 0176-1617
|7 nnns
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| 773 |
1 |
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|g volume:160
|g year:2003
|g number:5
|g day:21
|g month:05
|g pages:469-74
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|d 160
|j 2003
|e 5
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|h 469-74
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