Identification and characterization of a novel miR159 target not related to MYB in tomato
被引:44
作者:
Buxdorf, Kobi
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Agr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, IsraelAgr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, Israel
Buxdorf, Kobi
[1
]
Hendelman, Anat
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Agr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, IsraelAgr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, Israel
Hendelman, Anat
[1
]
Stav, Ran
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Agr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, IsraelAgr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, Israel
Stav, Ran
[1
]
Lapidot, Moshe
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Agr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, IsraelAgr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, Israel
Lapidot, Moshe
[1
]
Ori, Naomi
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机构:
Hebrew Univ Jerusalem, Fac Agr Food & Environm, Robert H Smith Inst Plant Sci & Genet Agr, IL-76100 Rehovot, IsraelAgr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, Israel
Ori, Naomi
[2
]
Arazi, Tzahi
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Agr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, IsraelAgr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, Israel
Arazi, Tzahi
[1
]
机构:
[1] Agr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, Israel
[2] Hebrew Univ Jerusalem, Fac Agr Food & Environm, Robert H Smith Inst Plant Sci & Genet Agr, IL-76100 Rehovot, Israel
Flower;
Development;
Leaf;
MiRNA;
MiR159;
Tomato;
ARABIDOPSIS-THALIANA;
EARLY SPOROGENESIS;
PATTERN-FORMATION;
SEED-GERMINATION;
PLANT MICRORNAS;
ALEURONE CELLS;
SMALL RNAS;
GENE;
EXPRESSION;
PROTEIN;
D O I:
10.1007/s00425-010-1231-9
中图分类号:
Q94 [植物学];
学科分类号:
071001 ;
摘要:
MicroRNA 159 (miR159) is a highly conserved miRNA with roles in flowering under short days, anther development and seed germination via repression of GAMYB-like genes. In tomato, the function of miR159 (Sl-miR159) is currently unknown and target transcripts have not been experimentally validated. Here, we identified and characterized a new miR159 target gene (SGN-U567133) in Solanum lycopersicum (tomato) that is not related to MYB. SGN-U567133 is predominantly expressed in flowers and encodes a nuclear-localized protein that contains a unique NOZZLE-like domain at its N terminus. In tomato, SGN-U567133 represents a small gene family and orthologs have been identified in other plant species, all containing a conserved miR159 target site in their coding sequence. Accordingly, 5'-RACE cleavage assay supported miRNA-mediated cleavage of SGN-U567133 transcripts in vivo. Moreover, the SGN-U567133 transcript accumulated in P19-HA-expressing tomato leaves in which miRNA-mediated cleavage is inhibited. In addition, transgenic tomato plants expressing a miR159-resistant form of SGN-U567133 accumulated higher levels of the SGN-U567133 transcript and exhibited defects in leaf and flower development. Together, our results suggest that SGN-U567133 represents a novel class of miR159 targets in plants and raise the possibility that its post-transcriptional regulation by Sl-miR159 is essential for normal tomato development.
机构:
AIST, Computat Biol Res Ctr, Tokyo, JapanUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Horton, Paul
;
Park, Keun-Joon
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机构:
AIST, Computat Biol Res Ctr, Tokyo, Japan
Korea Ctr Dis Control & Prevent, Ctr Genome Sci, Natl Inst Hlth, Seoul 122701, South KoreaUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Park, Keun-Joon
;
Obayashi, Takeshi
论文数: 0引用数: 0
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机构:
Univ Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, JapanUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Obayashi, Takeshi
;
Fujita, Naoya
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
AIST, Computat Biol Res Ctr, Tokyo, JapanUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Fujita, Naoya
;
Harada, Hajime
论文数: 0引用数: 0
h-index: 0
机构:
AIST, Computat Biol Res Ctr, Tokyo, JapanUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Harada, Hajime
;
Adams-Collier, C. J.
论文数: 0引用数: 0
h-index: 0
机构:
Collier Technol, Everett, WA USAUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Adams-Collier, C. J.
;
Nakai, Kenta
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, JapanUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
机构:
AIST, Computat Biol Res Ctr, Tokyo, JapanUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Horton, Paul
;
Park, Keun-Joon
论文数: 0引用数: 0
h-index: 0
机构:
AIST, Computat Biol Res Ctr, Tokyo, Japan
Korea Ctr Dis Control & Prevent, Ctr Genome Sci, Natl Inst Hlth, Seoul 122701, South KoreaUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Park, Keun-Joon
;
Obayashi, Takeshi
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, JapanUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Obayashi, Takeshi
;
Fujita, Naoya
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
AIST, Computat Biol Res Ctr, Tokyo, JapanUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Fujita, Naoya
;
Harada, Hajime
论文数: 0引用数: 0
h-index: 0
机构:
AIST, Computat Biol Res Ctr, Tokyo, JapanUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Harada, Hajime
;
Adams-Collier, C. J.
论文数: 0引用数: 0
h-index: 0
机构:
Collier Technol, Everett, WA USAUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan
Adams-Collier, C. J.
;
Nakai, Kenta
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, JapanUniv Tokyo, Inst Med Sci, Ctr Human Genome, Tokyo, Japan