Plant gene responses to frequency-specific sound signals
Identifieur interne : 000374 ( Main/Exploration ); précédent : 000373; suivant : 000375Plant gene responses to frequency-specific sound signals
Auteurs : Mi-Jeong Jeong [Corée du Sud] ; Chang-Ki Shim [Corée du Sud] ; Jin-Ohk Lee [Corée du Sud] ; Hawk-Bin Kwon [Corée du Sud] ; Yang-Han Kim [Corée du Sud] ; Seong-Kon Lee [Corée du Sud] ; Myeong-Ok Byun [Corée du Sud] ; Soo-Chul Park [Corée du Sud]Source :
- Molecular Breeding [ 1380-3743 ] ; 2008-02-01.
Descripteurs français
- Wicri :
- topic : Riz.
English descriptors
Abstract
Abstract: We identified a set of sound-responsive genes in plants using a sound-treated subtractive library and demonstrated sound regulation through mRNA expression analyses. Under both light and dark conditions, sound up-regulated expression of rbcS and ald. These are also light-responsive genes and these results suggest that sound could represent an alternative to light as a gene regulator. Ald mRNA expression increased significantly with treatment at 125 and 250 Hz, whereas levels decreased significantly with treatment at 50 Hz, indicating a frequency-specific response. To investigate whether the ald promoter responds to sound, we generated transgenic rice plants harboring a chimeric gene comprising a fusion of the ald promoter and GUS reporter. In three independent transgenic lines treated with 50 or 250 Hz for 4 h, GUS mRNA expression was up-regulated at 250 Hz, but down-regulated at 50 Hz. Thus, the sound-responsive mRNA expression pattern observed for the ald promoter correlated closely with that of ald, suggesting that the 1,506 bp ald promoter is sound-responsive. Therefore, we propose that in transgenic plants, specific frequencies of sound treatment could be used to regulate the expression of any gene fused to the ald promoter.
Url:
DOI: 10.1007/s11032-007-9122-x
Affiliations:
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and demonstrated sound regulation through mRNA expression analyses. Under both light and dark conditions, sound up-regulated expression of rbcS and ald. These are also light-responsive genes and these results suggest that sound could represent an alternative to light as a gene regulator. Ald mRNA expression increased significantly with treatment at 125 and 250 Hz, whereas levels decreased significantly with treatment at 50 Hz, indicating a frequency-specific response. To investigate whether the ald promoter responds to sound, we generated transgenic rice plants harboring a chimeric gene comprising a fusion of the ald promoter and GUS reporter. In three independent transgenic lines treated with 50 or 250 Hz for 4 h, GUS mRNA expression was up-regulated at 250 Hz, but down-regulated at 50 Hz. Thus, the sound-responsive mRNA expression pattern observed for the ald promoter correlated closely with that of ald, suggesting that the 1,506 bp ald promoter is sound-responsive. Therefore, we propose that in transgenic plants, specific frequencies of sound treatment could be used to regulate the expression of any gene fused to the ald promoter.</div></front></TEI><affiliations><list><country><li>Corée du Sud</li></country></list><tree><country name="Corée du Sud"><noRegion><name sortKey="Jeong, Mi Jeong" sort="Jeong, Mi Jeong" uniqKey="Jeong M" first="Mi-Jeong" last="Jeong">Mi-Jeong Jeong</name></noRegion><name sortKey="Byun, Myeong Ok" sort="Byun, Myeong Ok" uniqKey="Byun M" first="Myeong-Ok" last="Byun">Myeong-Ok Byun</name><name sortKey="Jeong, Mi Jeong" sort="Jeong, Mi Jeong" uniqKey="Jeong M" first="Mi-Jeong" last="Jeong">Mi-Jeong Jeong</name><name sortKey="Kim, Yang Han" sort="Kim, Yang Han" uniqKey="Kim Y" first="Yang-Han" last="Kim">Yang-Han Kim</name><name sortKey="Kwon, Hawk Bin" sort="Kwon, Hawk Bin" uniqKey="Kwon H" first="Hawk-Bin" last="Kwon">Hawk-Bin Kwon</name><name sortKey="Lee, Jin Ohk" sort="Lee, Jin Ohk" uniqKey="Lee J" first="Jin-Ohk" last="Lee">Jin-Ohk Lee</name><name sortKey="Lee, Seong Kon" sort="Lee, Seong Kon" uniqKey="Lee S" first="Seong-Kon" last="Lee">Seong-Kon Lee</name><name sortKey="Park, Soo Chul" sort="Park, Soo Chul" uniqKey="Park S" first="Soo-Chul" last="Park">Soo-Chul Park</name><name sortKey="Shim, Chang Ki" sort="Shim, Chang Ki" uniqKey="Shim C" first="Chang-Ki" last="Shim">Chang-Ki Shim</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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