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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2008.12.020
|2 doi
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|a pubmed24n0621.xml
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|a (DE-627)NLM186233272
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|a (NLM)19195903
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Kawade, Kensuke
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Transcriptional control of two ribosome-inactivating protein genes expressed in spinach (Spinacia oleracea) embryos
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| 264 |
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|c 2009
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| 336 |
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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 21.10.2009
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a GENBANK: AB435546, AB435547
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|a Citation Status MEDLINE
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|a SoRIP1 and SoRIP2 are ribosome-inactivating protein (RIP: EC 3.2.2.22) genes identified in spinach (Spinacia oleracea). They are differentially expressed in a development-dependent manner during spinach somatic embryogenesis. Here, we isolated genomic clones of SoRIP1 and SoRIP2. These two RIP genes have different genomic organization. Phylogenetic analysis of predicted amino acid sequences of RIPs in Caryophyllales plants revealed that they are divided into two major subfamilies, corresponding to SoRIP1 and SoRIP2. To gain further insight into the transcriptional control of SoRIP1 and SoRIP2, we obtained their 5'-flanking sequences by inverse PCR. Comparison of two 5'-flanking sequences revealed the characteristic cis elements in each region that confer differential transcriptional control. In the 5'-flanking region of SoRIP1, we found several motifs with functions related to embryonic development. The 5'-flanking region of SoRIP2 contains some defense-responsive motifs. Expression of SoRIP1 was detected in various tissues. In particular, SoRIP1 was highly expressed in the early immature fruits, and immunohistochemistry showed that SoRIP1 accumulated in the peripheral region of the immature embryo, with weaker expression in internal cells. During fruit development, the expression of SoRIP2 was low. However, the accumulation of SoRIP2 was conspicuous in the epidermis of the immature embryo. The expression of SoRIP2, but not SoRIP1, in leaves was induced by salicylic acid treatment. This differential transcriptional regulation of SoRIP1 and SoRIP2 suggests that the corresponding proteins may have different functions, one being related to embryonic development and the other to embryo defense
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|a Journal Article
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|a DNA, Plant
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Protein Isoforms
|2 NLM
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| 650 |
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|a Ribosome Inactivating Proteins
|2 NLM
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| 650 |
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|a EC 3.2.2.22
|2 NLM
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| 650 |
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|a Salicylic Acid
|2 NLM
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| 650 |
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7 |
|a O414PZ4LPZ
|2 NLM
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| 700 |
1 |
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|a Masuda, Kiyoshi
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 47(2009), 5 vom: 15. Mai, Seite 327-34
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:47
|g year:2009
|g number:5
|g day:15
|g month:05
|g pages:327-34
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2008.12.020
|3 Volltext
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|d 47
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|h 327-34
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