Protein Information

Name Mn superoxide dismutase
Synonyms IPO B; Indophenoloxidase B; MNSOD; Manganese superoxide dismutase; Manganese containing superoxide dismutase; Mangano superoxide dismutase; Mn superoxide dismutase; Mn SOD…

Compound Information

Name ethephon
CAS

Reference List

PubMed Abstract RScore(About this table)
10628864 Lee HS, Kim KY, You SH, Kwon SY, Kwak SS: Molecular characterization and expression of a cDNA encoding copper/zinc superoxide dismutase from cultured cells of cassava (Manihot esculenta Crantz). Mol Gen Genet. 1999 Dec;262(4-5):807-14.

The gene was induced by abscisic acid, ethephon, NaCl, sucrose, and methyl viologen.
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8219064 Miao Z, Gaynor JJ: Molecular cloning, characterization and expression of Mn-superoxide dismutase from the rubber tree (Hevea brasiliensis). Plant Mol Biol. 1993 Oct;23(2):267-77.

In addition, transcripts of MnSOD could be induced 3- to 5-fold in response to sucrose, ethephon and Murashige-Skoog salts.
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1912497 Perl-Treves R, Galun E: The tomato Cu,Zn superoxide dismutase genes are developmentally regulated and respond to light and stress. Plant Mol Biol. 1991 Oct;17(4):745-60.

The expression of both genes was enhanced by spraying tomato plants with ethephon--a compound that releases ethylene.
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19035660 Rai RK, Singh P, Shrivastava AK, Suman A: Modulation of low-temperature-induced biochemical changes in bud and root band zones of sugar cane sets by potassium, zinc, and Ethrel for improving sprouting. J Agric Food Chem. 2008 Dec 24;56(24):11976-82.


However, treatments led to a significant decline in indoleacetic acid, total phenols, and superoxide dismutase activity, which rendered the in situ toxicity buildup in sets at low temperatures.
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7766901 Balandin T, van der Does C, Albert JM, Bol JF, Linthorst HJ: Structure and induction pattern of a novel proteinase inhibitor class II gene of tobacco. Plant Mol Biol. 1995 Mar;27(6):1197-204.

The tobacco PI-II gene is not expressed in leaves of healthy plants, but is locally induced in leaves subjected to different types of stress (TMV infection, wounding, UV irradiation) and upon ethephon treatment.
A far-upstream region in the PI-II promoter, containing various direct and indirect repeats, shares considerable sequence similarity to a similar region in the stress-inducible Cu/Zn-superoxide dismutase gene of N. plumbaginifolia.
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8878695 Kernodle SP, Scandalios JG: A comparison of the structure and function of the highly homologous maize antioxidant Cu/Zn superoxide dismutase genes, Sod4 and Sod4A. Genetics. 1996 Sep;144(1):317-28.

RNA isolated from stem tissue of ethephon-treated seedlings shows an increase in the Sod4 but not the Sod4A transcript while there is no change in transcripts of either gene in leaves or roots.
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18273621 Kim YS, Kim HS, Lee YH, Kim MS, Oh HW, Hahn KW, Joung H, Jeon JH: Elevated H (2) O (2) production via overexpression of a chloroplastic Cu/ZnSOD gene of lily (Lilium oriental hybrid 'Marco Polo') triggers ethylene synthesis in transgenic potato. Plant Cell Rep. 2008 Jun;27(6):973-83. Epub 2008 Feb 14.


Transgenic potato plants (SS2 and SS4) that overexpressed a chloroplastic copper/zinc superoxide dismutase lily gene were utilized as an H (2) O (2)-inducible system in order to study the role of H (2) O (2) as a signaling molecule in the biosynthesis of ethylene.
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