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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1111/jpy.12207
|2 doi
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|a pubmed24n0861.xml
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|a (DE-627)NLM258531789
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|a (NLM)26988458
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Kuwano, Kazuyoshi
|e verfasserin
|4 aut
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| 245 |
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|a Growth and cell cycle of Ulva compressa (Ulvophyceae) under LED illumination
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 26.07.2016
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|a Date Revised 18.03.2016
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2014 Phycological Society of America.
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|a The cell-cycle progression of Ulva compressa is diurnally gated at the G1 phase in accordance with light-dark cycles. The present study was designed to examine the spectral sensitivity of the G1 gating system. When blue, red, and green light-emitting diodes (LEDs) were used for illumination either alone or in combination, the cells divided under all illumination conditions, suggesting that all colors of light were able to open the G1 gate. Although blue light was most effective to open the G1 gate, red light alone or green light alone was also able to open the G1 gate even at irradiance levels lower than the light compensation point of each color. Occurrence of a period of no cell division in the course of a day suggested that the G1 gating system normally functioned as under ordinary illumination by cool-white fluorescent lamps. The rise of the proportion of blue light to green light resulted in increased growth rate. On the other hand, the growth rates did not vary regardless of the proportion of blue light to red light. These results indicate that the difference in growth rate due to light color resulted from the difference in photosynthetic efficiency of the colors of light. However, the growth rates significantly decreased under conditions without blue light. This result suggests that blue light mediates cell elongation and because the spectral sensitivity of the cell elongation regulating system was different from that of the G1 gating system, distinct photoreceptors are likely to mediate the two systems
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a G1 gate
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4 |
|a Ulva
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4 |
|a cell cycle
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| 650 |
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|a cell division
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| 650 |
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4 |
|a cell elongation
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| 650 |
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4 |
|a diurnal rhythm
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| 700 |
1 |
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|a Abe, Naoko
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nishi, Yukari
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Seno, Hiromi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nishihara, Gregory N
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Iima, Masafumi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zachleder, Vilém
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 50(2014), 4 vom: 18. Aug., Seite 744-52
|w (DE-627)NLM098182994
|x 1529-8817
|7 nnns
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| 773 |
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|g volume:50
|g year:2014
|g number:4
|g day:18
|g month:08
|g pages:744-52
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|u http://dx.doi.org/10.1111/jpy.12207
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