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==Notable administrations==
==Notable administrations==
Rotenone was implemented in 2010 to kill an [[invasive species|invasive]] goldfish population present in [[Mann Lake]], with the intention of not disrupting the lake's [[trout]] population. Rotenone successfully achieved these aims, killing nearly 200,000 goldfish, and only three trout.<ref>{{cite news|last=Monroe|first=Bill|title=Mann Lake Gets a Second Round of Rotenone for Cutthroat Restoration|url=http://www.oregonlive.com/sports/oregonian/bill_monroe/index.ssf/2010/12/mann_lake_gets_a_second_round.html|work=The Oregonian|publisher=Oregon Live LLC|date=December 3, 2010|accessdate=December 20, 2012|archiveurl=http://www.webcitation.org/6DG6HWJJV|archivedate=December 28, 2012}}</ref>
Rotenone was implemented in 2010 to kill an [[invasive species|invasive]] [[goldfish]] population present in [[Mann Lake]], with the intention of not disrupting the lake's [[trout]] population. Rotenone successfully achieved these aims, killing nearly 200,000 goldfish, and only three trout.<ref>{{cite news|last=Monroe|first=Bill|title=Mann Lake Gets a Second Round of Rotenone for Cutthroat Restoration|url=http://www.oregonlive.com/sports/oregonian/bill_monroe/index.ssf/2010/12/mann_lake_gets_a_second_round.html|work=The Oregonian|publisher=Oregon Live LLC|date=December 3, 2010|accessdate=December 20, 2012|archiveurl=http://www.webcitation.org/6DG6HWJJV|archivedate=December 28, 2012}}</ref>


==See also==
==See also==

Revision as of 02:20, 9 April 2014

Rotenone
Skeletal formula
Space-filling model
Names
IUPAC names
(2R,6aS,12aS)-1,2,6,6a,12,12a-
hexahydro-2-isopropenyl-8,9-
dimethoxychromeno[3,4-b]
furo(2,3-h)chromen-6-one
Other names
Tubatoxin, Paraderil
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.001.365 Edit this at Wikidata
KEGG
MeSH Rotenone
UNII
  • InChI=1/C23H22O6/c1-11(2)16-8-14-15(28-16)6-5-12-22(24)21-13-7-18(25-3)19(26-4)9-17(13)27-10-20(21)29-23(12)14/h5-7,9,16,20-21H,1,8,10H2,2-4H3/t16-,20-,21+/m1/s1
  • CC(=C)[C@H]1CC2=C(O1)C=CC3=C2O[C@@H]4COC5=CC(=C(C=C5[C@@H]4C3=O)OC)OC
Properties
C23H22O6
Molar mass 394.41
Appearance Colorless to red
Density 1.27 g/cm3 @ 20 °C
Melting point 165−166 °C
Boiling point 210−220 °C at 0.5 mmHg
Solubility Soluble in ether and acetone, slightly soluble in ethanol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Rotenone is an odourless, colourless, crystalline ketonic chemical compound used as a broad-spectrum insecticide, piscicide, and pesticide. It occurs naturally in the seeds and stems of several plants, such as the jicama vine plant; and the roots of several members of Fabaceae.

Discovery

The earliest record of the now known rotenone-containing plants used for killing leaf-eating caterpillars was in 1848. And for centuries the same plants were used to poison fish.[1] The active chemical component was first isolated by a French botanist Emmanuel Geoffroy in 1895 and called it nicouline, from a specimen of Robinia nicou, now called Lonchocarpus nicou, while traveling in French Guiana.[2] He wrote about this research in his thesis, published posthumously in 1895 after his death from a parasitic disease.[3] In 1902, a Japanese chemist, Nagai isolated a pure crystalline compound from Derris elliptica which he called rotenone, after the Japanese name of the plant roten. By 1930, nicouline and rotenone were established to be chemically the same.[4]

Uses

Rotenone is used as a pesticide, insecticide, and as a nonselective piscicide (fish killer).[5]

It is commercialized as cubé, tuba, or derris, in single preparation or in synergistic combination with other insecticides.[6] In the United States and Canada, all uses of rotenone except as a piscicide are being phased out.[7][8]

Rotenone has historically been used by indigenous peoples to catch fish. Typically, rotenone-containing plants in the Fabaceae family of legumes are crushed and introduced into a body of water, and as rotenone interferes with cellular respiration, the affected fish rise to the surface in an attempt to gulp air, where they are more easily caught.

Small-scale sampling with rotenone is used by fish researchers studying the biodiversity of marine fishes to collect cryptic, or hidden, fishes, which represent an important component of shoreline fish communities. Rotenone is the most effective tool available because only small quantities are necessary. It has only minor and transient environmental side effects.[9]

Rotenone is also used in powdered form to treat scabies and head lice on humans, and parasitic mites on chickens, livestock, and pet animals.

Rotenone has been used as an organic[10] pesticide dust for gardens. Unselective in action, it kills potato beetles, cucumber beetles, flea beetles, cabbage worms, raspberry beetles, and asparagus beetles, as well as most other arthropods. It rapidly biodegrades under warm conditions, so harmful residues are minimal. A light dusting on the leaves of plants will control insects for several days.

Mode of action

Rotenone works by interfering with the electron transport chain in mitochondria. To be specific, it inhibits the transfer of electrons from iron-sulfur centers in complex I to ubiquinone. This interferes with NADH during the creation of usable cellular energy (ATP).[6] Complex I is unable to pass off its electron to CoQ, creating a back-up of electrons within the intermembrane space. Cellular oxygen is reduced to the radical, creating a Reactive Oxygen Species, which can damage DNA and other components of the mitochondria. [11]

Presence in plants

Rotenone is produced by extraction from the roots and stems of several tropical and subtropical plant species, especially those belonging to the genera Lonchocarpus and Derris.

Some of the plants containing rotenone:

Toxicity

Rotenone is classified by the World Health Organization as moderately hazardous.[16] It is mildly toxic to humans and other mammals, but extremely toxic to insects and aquatic life, including fish. This higher toxicity in fish and insects is because the lipophilic rotenone is easily taken up through the gills or trachea, but not as easily through the skin or the gastrointestinal tract. Rotenone is toxic to erythrocytes in vitro.[17]

The lowest lethal dose for a child is 143 mg/kg. Human deaths from rotenone poisoning are rare because its irritating action causes vomiting.[18] Deliberate ingestion of rotenone can be fatal.[19]

The compound decomposes when exposed to sunlight and usually has an activity of six days in the environment.[20] It oxidises to rotenolone, which is about an order of magnitude less toxic than rotenone. In water, the rate of decomposition depends upon several factors, including temperature, pH, water hardness and sunlight. The half-life in natural waters ranges from half a day at 24°C to 3.5 days at 0°C.[21]

Parkinson's disease

In 2000, injecting rotenone into rats was reported to cause the development of symptoms similar to those of Parkinson's disease (PD). Rotenone was continuously applied over a period of five weeks, mixed with DMSO and PEG to enhance tissue penetration, and injected into the jugular vein.[22] The study does not directly suggest rotenone exposure is responsible for PD in humans, but is consistent with the belief that chronic exposure to environmental toxins increases the likelihood of the disease.[23]

In addition, studies with primary cultures of rat neurons and microglia have shown low doses of rotenone (below 10 nM) induce oxidative damage and death of dopaminergic neurons,[24] and it is these neurons in the substantia nigra that die in Parkinson's disease. Another study has also described toxic action of rotenone at low concentrations (5 nM) in dopaminergic neurons from acute rat brain slices.[25] This toxicity was exacerbated by an additional cell stressor - elevated intracellular calcium concentration - adding support to the 'multiple hit hypothesis' of dopaminergic neuron death.

The neurotoxin MPTP had been known earlier to cause PD-like symptoms (in humans and other primates, though not in rats) by interfering with complex I in the electron transport chain and killing dopaminergic neurons in the substantia nigra. However, further studies involving MPTP have failed to show development of Lewy bodies, a key component to PD pathology. Therefore, the mechanism behind MPTP as it relates to Parkinson's disease is not fully understood.[26] Because of these developments, rotenone was investigated as a possible Parkinson-causing agent. Both MPTP and rotenone are lipophilic and can cross the blood–brain barrier.

In 2010, a study was published detailing the progression of Parkinson's-like symptoms in mice following chronic intragastric ingestion of low doses of rotenone. The concentrations in the central nervous system were below detectable limits, yet still induced PD pathology.[27]

In 2011, a US National Institutes of Health study showed a link between rotenone use and Parkinson's disease in farm workers.[28]

Notable administrations

Rotenone was implemented in 2010 to kill an invasive goldfish population present in Mann Lake, with the intention of not disrupting the lake's trout population. Rotenone successfully achieved these aims, killing nearly 200,000 goldfish, and only three trout.[29]

See also

References

  1. ^ Metcalf RL. (1948). The Mode of Action of Organic Insecticides. National Research Council, Washington DC.
  2. ^ Ambrose, Anthony M. (1936). "Toxicological study of Derris". Industrial & Engineering Chemistry. 28 (7): 815–821. doi:10.1021/ie50319a017. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  3. ^ "Useful tropical plants". ASNOM. 2008-01-02. Retrieved 2008-03-16.
  4. ^ La Forge, F. B.; Haller, H. L.; Smith, L. E. (1933). "The Determination of the structure of rotenone". Chemical Reviews. 18 (2): 181–213. doi:10.1021/cr60042a001. {{cite journal}}: More than one of |author= and |last1= specified (help)
  5. ^ Peter Fimrite (2007-10-02). "Lake poisoning seems to have worked to kill invasive pike". San Francisco Chronicle.
  6. ^ a b Hayes WJ. (1991). Handbook on Pesticides, Volume 1. Academic Press. ISBN 0123341612.
  7. ^ Reregistration Eligibility Decision for Rotenone, EPA 738-R-07-005, March 2007, United States Environmental Protection Agency
  8. ^ Re-evaluation Note: Rotenone (REV2008-01, 29 January 2008), Consumer Product Safety, Health Canada
  9. ^ Robertson, D. Ross; Smith-Vaniz, William F. (2008). "Rotenone: An Essential but Demonized Tool for Assessing Marine Fish Diversity". BioScience. 58 (2): 165. doi:10.1641/B580211.
  10. ^ "Effects of Rotenone, a commonly-used organic pesticide on mitochondrial complex 1 function and altered immune responses". University of Massachusetts Center for Agriculture. Retrieved 2014-02-10.
  11. ^ Mehta, Suresh. "Neuroprotective role of mitochondrial uncoupling protein 2 in cerebral stroke". Journal of Cerebral Blood Flow and Metabolism. Retrieved 4/2/14. {{cite web}}: Check date values in: |accessdate= (help)
  12. ^ a b Fang N, Casida J (1999). "Cubé resin insecticide: identification and biological activity of 29 rotenoid constituents". J Agric Food Chem. 47 (5): 2130–6. doi:10.1021/jf981188x. PMID 10552508.
  13. ^ Coates Palgrave, Keith (2002). Trees of Southern Africa. Struik. ISBN 0-86977-081-0.
  14. ^ Nellis, David N. (1994). Seashore plants of South Florida and the Caribbean. Pineapple Press. 160 p.
  15. ^ Barton D, Meth-Cohn O. (1999). Comprehensive Natural Products Chemistry. Pergamon. ISBN 0080912834.
  16. ^ IPCS, International Programme on Chemical Safety; United Nations Environment Programme; International Labour Organization; World Health Organization. (2007). The WHO Recommended Classification of Pesticides by Hazard. World Health Organization. ISBN 92-4-154663-8. Retrieved 2007-12-02.{{cite book}}: CS1 maint: multiple names: authors list (link)
  17. ^ Lupescu, Adrian; Jilani, Kashif; Zbidah, Mohanad; Lang, Florian (October 2012). "Induction of apoptotic erythrocyte death by rotenone". Toxicology. 300 (3): 132–7. doi:10.1016/j.tox.2012.06.007. PMID 22727881.
  18. ^ "Rotenone". Pesticides News. 54: 20–21. 2001.
  19. ^ Wood DM, Alsahaf H, Streete P, Dargan PI, Jones AL (June 2005). "Fatality after deliberate ingestion of the pesticide rotenone: a case report". Critical Care. 9 (3): R280–4. doi:10.1186/cc3528. PMC 1175899. PMID 15987402.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: unflagged free DOI (link)
  20. ^ Vitax Safety Data Sheet for Derris dust, revised October 1998
  21. ^ "Rotenone. A Brief Review of its Chemistry, Environmental Fate, and the Toxicity of Rotenone Formulations" (PDF). {{cite journal}}: Cite journal requires |journal= (help); line feed character in |title= at position 71 (help)
  22. ^ Caboni P, Sherer T, Zhang N, Taylor G, Na H, Greenamyre J, Casida J (2004). "Rotenone, deguelin, their metabolites, and the rat model of Parkinson's disease". Chem Res Toxicol. 17 (11): 1540–8. doi:10.1021/tx049867r. PMID 15540952.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  23. ^ Summary of the article by Dr. Greenamyre on pesticides and Parkinson's Disease at ninds.nih.gov
  24. ^ Gao HM, Liu B, Hong JS (July 2003). "Critical role for microglial NADPH oxidase in rotenone-induced degeneration of dopaminergic neurons". The Journal of Neuroscience. 23 (15): 6181–7. PMID 12867501.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  25. ^ Freestone PS, Chung KK, Guatteo E, Mercuri NB, Nicholson LF, Lipski J (November 2009). "Acute action of rotenone on nigral dopaminergic neurons--involvement of reactive oxygen species and disruption of Ca2+ homeostasis". The European Journal of Neuroscience. 30 (10): 1849–59. doi:10.1111/j.1460-9568.2009.06990.x. PMID 19912331.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  26. ^ Neurotransmitters and Disorders of the Basal Ganglia -- Basic Neurochemistry -- NCBI Bookshelf, American Society for Neurochemistry
  27. ^ Pan-Montojo, Francisco; Anichtchik, Oleg; Dening, Yanina; Knels, Lilla; Pursche, Stefan; Jung, Roland; Jackson, Sandra; Gille, Gabriele; Spillantini, Maria Grazia (2010). Kleinschnitz, Christoph (ed.). "Progression of Parkinson's Disease Pathology Is Reproduced by Intragastric Administration of Rotenone in Mice". PLoS ONE. 5 (1): e8762. doi:10.1371/journal.pone.0008762. PMC 2808242. PMID 20098733. {{cite journal}}: Invalid |display-authors=9 (help)CS1 maint: unflagged free DOI (link)
  28. ^ Tanner, Caroline M. (2011). "Rotenone, Paraquat and Parkinson's Disease". Environmental Health Perspectives. 119 (6): 866–72. doi:10.1289/ehp.1002839. ISSN 0091-6765. PMC 3114824. PMID 21269927. Retrieved 2011-02-14. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  29. ^ Monroe, Bill (December 3, 2010). "Mann Lake Gets a Second Round of Rotenone for Cutthroat Restoration". The Oregonian. Oregon Live LLC. Archived from the original on December 28, 2012. Retrieved December 20, 2012.
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