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- La sistemina és una fitohormona polipèptida fitoreguladora que alliberen les plantes de la família solanàcia quan són atacades per herbívors o sofreixen un dany mecànic. La principal funció de les sistemines és la de coordinar la resposta de defensa contra els insectes herbívors però també afecta el desenvolupament de les plantes. La sistemina indueix la producció d'inhibidors de la proteasa, altres pèptids activen la defensina i modifiquen el creixement de les arrels. També s'ha comprovat que afecten altres respostes de les plantes com és l'estrès per salinitat i la radiació ultraviolada. El precursor de la sistemina és la prosistemina. S'ha estudiat l'ús de la sistemina en la creació de plantes transgèniques que siguin resistents als insectes. (ca)
- Systemin is a plant peptide hormone involved in the wound response in the family Solanaceae. It was the first plant hormone that was proven to be a peptide having been isolated from tomato leaves in 1991 by a group led by . Since then, other peptides with similar functions have been identified in tomato and outside of the Solanaceae. Hydroxyproline-rich glycopeptides were found in tobacco in 2001 and AtPeps (Arabidopsis thaliana s) were found in Arabidopsis thaliana in 2006. Their precursors are found both in the cytoplasm and cell walls of plant cells, upon insect damage, the precursors are processed to produce one or more mature peptides. The receptor for systemin was first thought to be the same as the brassinolide receptor but this is now uncertain. The signal transduction processes that occur after the peptides bind are similar to the cytokine-mediated inflammatory immune response in animals. Early experiments showed that systemin travelled around the plant after insects had damaged the plant, activating systemic acquired resistance, now it is thought that it increases the production of jasmonic acid causing the same result. The main function of systemins is to coordinate defensive responses against insect herbivores but they also affect plant development. Systemin induces the production of protease inhibitors which protect against insect herbivores, other peptides activate defensins and modify root growth. They have also been shown to affect plants' responses to salt stress and UV radiation. AtPEPs have been shown to affect resistance against oomycetes and may allow A. thaliana to distinguish between different pathogens. In Nicotiana attenuata, some of the peptides have stopped being involved in defensive roles and instead affect flower morphology. (en)
- 시스테민(Systemin)은 폴리펩타이드성 식물호르몬으로 식물에 지속적으로 존재하지 않는 방어물질 생산 신호를 만들어 동반세포에서 자스몬산(지방산유도체)의 생합성을 개시한다. (ko)
- Systeminer är hormoner som tillhör den växande klassen av . (sv)
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- 39706 (xsd:nonNegativeInteger)
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- Structural formula of tomato systemin (en)
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| dbp:chromosome
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| dbp:entrezchromosome
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| dbp:entrezgene
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- 543883 (xsd:integer)
- 543989 (xsd:integer)
- 836613 (xsd:integer)
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| dbp:genlocEnd
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| dbp:genlocStart
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| dbp:interpro
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| dbp:name
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- Systemin (en)
- Elicitor peptide 1 (en)
- Hydroxyproline-rich systemin (en)
- Prosystemin (en)
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| dbp:organism
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- Arabidopsis thaliana (en)
- S. lycopersicum (en)
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| dbp:pfam
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| dbp:refseqmrna
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- AY292201 (en)
- M84800 (en)
- NM_125888 (en)
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| dbp:refseqprotein
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- AAA34182 (en)
- AAQ19087 (en)
- NP_569001 (en)
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| dbp:symbol
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- HypSys (en)
- PROPEP1 (en)
- Prosystemin (en)
- systemin (en)
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| dbp:taxid
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- 3702 (xsd:integer)
- 4081 (xsd:integer)
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| dbp:uniprot
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- P27058 (en)
- Q7XAD0 (en)
- Q9LV87 (en)
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- 시스테민(Systemin)은 폴리펩타이드성 식물호르몬으로 식물에 지속적으로 존재하지 않는 방어물질 생산 신호를 만들어 동반세포에서 자스몬산(지방산유도체)의 생합성을 개시한다. (ko)
- Systeminer är hormoner som tillhör den växande klassen av . (sv)
- La sistemina és una fitohormona polipèptida fitoreguladora que alliberen les plantes de la família solanàcia quan són atacades per herbívors o sofreixen un dany mecànic. La principal funció de les sistemines és la de coordinar la resposta de defensa contra els insectes herbívors però també afecta el desenvolupament de les plantes. La sistemina indueix la producció d'inhibidors de la proteasa, altres pèptids activen la defensina i modifiquen el creixement de les arrels. També s'ha comprovat que afecten altres respostes de les plantes com és l'estrès per salinitat i la radiació ultraviolada. (ca)
- Systemin is a plant peptide hormone involved in the wound response in the family Solanaceae. It was the first plant hormone that was proven to be a peptide having been isolated from tomato leaves in 1991 by a group led by . Since then, other peptides with similar functions have been identified in tomato and outside of the Solanaceae. Hydroxyproline-rich glycopeptides were found in tobacco in 2001 and AtPeps (Arabidopsis thaliana s) were found in Arabidopsis thaliana in 2006. Their precursors are found both in the cytoplasm and cell walls of plant cells, upon insect damage, the precursors are processed to produce one or more mature peptides. The receptor for systemin was first thought to be the same as the brassinolide receptor but this is now uncertain. The signal transduction processes th (en)
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| rdfs:label
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- Sistemina (ca)
- 시스테민 (ko)
- Systemin (en)
- Systemin (sv)
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