Page last updated: 2024-11-13

systemin

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

systemin: amino acid sequence given in first source; a mobile 18 amino acid polypeptide, induces proteinase inhibitor synthesis; from Lycopersicon esculentum (tomato) [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID25078152
MeSH IDM0199192

Synonyms (3)

Synonym
systemin
DTXSID00160097
J-006971

Research Excerpts

Overview

Systemin (Sys) is an 18-aa plant peptide hormone involved in the regulation of plant's defensive response. Systemins are a class of systemic wound polypeptide hormones that play a central role in mediating defenses against pest attacks and other woundings.

ExcerptReferenceRelevance
"Systemin is a plant peptide hormone promoting the systemic response to herbivory in tomato."( Plant-to-plant communication triggered by systemin primes anti-herbivore resistance in tomato.
Avitabile, C; Cascone, P; Coppola, M; Corrado, G; Di Lelio, I; Esposito, F; Guerrieri, E; Madonna, V; Pennacchio, F; Rao, R; Romanelli, A; Vitiello, A, 2017
)
1.44
"Systemin (Sys) is an 18-aa plant peptide hormone involved in the regulation of plant's defensive response. "( Capillary electrophoresis study of systemin peptides spreading in tomato plant.
Backtrog, E; Dobkowski, M; Mucha, P; Rekowski, P; Ruczynski, J, 2019
)
2.23
"Systemin is a bioactive plant peptide of 18 amino acids that contributes to the induction of local and systemic defense responses in tomato (Solanum lycopersicum) through JA biosynthesis."( Modulation of steroidal glycoalkaloid biosynthesis in tomato (Solanum lycopersicum) by jasmonic acid.
Casarrubias-Castillo, K; Délano-Frier, JP; Martínez-Gallardo, N; Montero-Vargas, JM; Ordaz-Ortiz, JJ; Winkler, R, 2018
)
1.2
"Systemin is a small peptide with important functions in plant wound response signaling. "( The Systemin Signaling Cascade As Derived from Time Course Analyses of the Systemin-responsive Phosphoproteome.
Haj Ahmad, F; Schaller, A; Schulze, WX; Stintzi, A; Wu, XN, 2019
)
2.51
"Systemin is an important group of plant peptide hormones participating in the regulation of plant defensive responses. "( Combination of dynamic pH junction with capillary electrophoresis-mass spectrometry for the determination of systemins in plant samples.
Bai, Y; Chang, C; Du, F; Liu, H; Tan, Z, 2014
)
2.06
"Systemin is a plant signal peptide hormone involved in the responses to wounding and insect damage in the Solanaceae family. "( Prosystemin overexpression induces transcriptional modifications of defense-related and receptor-like kinase genes and reduces the susceptibility to Cucumber mosaic virus and its satellite RNAs in transgenic tomato plants.
Bubici, G; Carluccio, AV; Cillo, F; Stavolone, L, 2017
)
2.52
"Systemin is a wound signaling peptide from tomato that is important for plant defenses against herbivory. "( Tissue-type specific systemin perception and the elusive systemin receptor.
Hind, SR; Malinowski, R; Stratmann, JW; Yalamanchili, R, 2010
)
2.12
"Systemins are a class of systemic wound polypeptide hormones that play a central role in mediating defenses against pest attacks and other woundings. "( Quantitative detection of trace systemins in Solanaceous plants by immunoaffinity purification combined with liquid chromatography/electrospray quadrupole time-of-flight mass spectrometry.
Bai, Y; Du, F; Liu, H, 2010
)
2.09
"Systemin is a peptide hormone firstly identified in plant."( G-quadruplex DNA aptamers generated for systemin.
Bing, T; Chang, T; Liu, X; Mei, H; Shangguan, D; Yang, X, 2011
)
1.36
"Systemin is a wound-signaling peptide that mediates defenses of tomato plants against herbivorous insects. "( Tomato MAPKs LeMPK1, LeMPK2, and LeMPK3 function in the systemin-mediated defense response against herbivorous insects.
Howe, GA; Jayanty, S; Kandoth, PK; Lincoln, DE; Miller, W; Pancholi, SS; Ranf, S; Stratmann, JW; Walla, MD, 2007
)
2.03
"Systemin is an important mediator of wound-induced defense gene activation in tomato plants, and it elicits a rapid alkalinization of the growth medium of cultured Lycopersicon peruvianum cells. "( Modulation of plasma membrane H+-ATPase activity differentially activates wound and pathogen defense responses in tomato plants.
Oecking, C; Schaller, A, 1999
)
1.75

Effects

Systemin has been shown by autoradiography to be phloemmobile and, by antisense technology, to be an essential component of the wound-inducible, systemic signal transduction system. Systemin is found in other Solanaceae species but not in tobacco.

ExcerptReferenceRelevance
"Prosystemin orthologues have been found in other Solanaceae species but not in tobacco, where are present hydroxyproline-rich peptides functionally but not structurally related to tomato systemin."( The expression of tomato prosystemin gene in tobacco plants highly affects host proteomic repertoire.
Arena, S; Corrado, G; D'Ambrosio, C; Marra, M; Rao, R; Rocco, M; Scaloni, A; Sellaroli, S; Tortiglione, C, 2008
)
1.15
"Systemin has been shown by autoradiography to be phloemmobile and, by antisense technology, to be an essential component of the wound-inducible, systemic signal transduction system leading to the transcriptional activation of the defensive genes."( Systemin--a polypeptide defense signal in plants.
Ryan, CA; Schaller, A, 1996
)
2.46

Dosage Studied

ExcerptRelevanceReference
" Specific VIGS of only MPK1 or MPK2 resulted in the same reduction of defense gene expression as cosilencing of MPK1 and MPK2, indicating that gene dosage effects may be important for MPK signaling."( Tomato MAPKs LeMPK1, LeMPK2, and LeMPK3 function in the systemin-mediated defense response against herbivorous insects.
Howe, GA; Jayanty, S; Kandoth, PK; Lincoln, DE; Miller, W; Pancholi, SS; Ranf, S; Stratmann, JW; Walla, MD, 2007
)
0.59
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (105)

TimeframeStudies, This Drug (%)All Drugs %
pre-19900 (0.00)18.7374
1990's28 (26.67)18.2507
2000's52 (49.52)29.6817
2010's22 (20.95)24.3611
2020's3 (2.86)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 46.27

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be strong demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index46.27 (24.57)
Research Supply Index4.68 (2.92)
Research Growth Index4.50 (4.65)
Search Engine Demand Index69.83 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (46.27)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Reviews31 (28.97%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other76 (71.03%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]