Involvement of Nitric Oxide in the Russian Wheat Aphid Resistance Response of Wheat

The involvement of nitric oxide (NO) in the Russian wheat aphid (RWA), Diuraphis noxia (Kurdjumov), resistance response of wheat (Triticum aestivum L.) was investigated. Resistant (cv. Tugela DN) and near isogenic susceptible (cv. Tugela) wheat plants grown under green-house conditions were used. Ru...

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Veröffentlicht in:Cereal research communications 2014-03, Vol.42 (1), p.119-125
Hauptverfasser: Moloi, M.J, A.J. Westhuizen
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description The involvement of nitric oxide (NO) in the Russian wheat aphid (RWA), Diuraphis noxia (Kurdjumov), resistance response of wheat (Triticum aestivum L.) was investigated. Resistant (cv. Tugela DN) and near isogenic susceptible (cv. Tugela) wheat plants grown under green-house conditions were used. Russian wheat aphid infestation induced an early accumulation of NO to a higher level in the resistant than susceptible plants. Nitric oxide accumulation corresponded with increased nitrate reductase (NR, EC 1.6.6.1) and nitrite reductase (NiR, EC 1.7.7.1) activities, suggesting a possible association with NO production. Inhibition studies confirmed the involvement of NR in NO production during the RWA resistance response. The use of a NO donor or NR inhibitor revealed that NO could act as another early signal for induction of the secondary defence enzymes, intercellular β-1,3-glucanase and peroxidase.
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Westhuizen</creatorcontrib><title>Involvement of Nitric Oxide in the Russian Wheat Aphid Resistance Response of Wheat</title><title>Cereal research communications</title><addtitle>CEREAL RESEARCH COMMUNICATIONS</addtitle><description>The involvement of nitric oxide (NO) in the Russian wheat aphid (RWA), Diuraphis noxia (Kurdjumov), resistance response of wheat (Triticum aestivum L.) was investigated. Resistant (cv. Tugela DN) and near isogenic susceptible (cv. Tugela) wheat plants grown under green-house conditions were used. Russian wheat aphid infestation induced an early accumulation of NO to a higher level in the resistant than susceptible plants. Nitric oxide accumulation corresponded with increased nitrate reductase (NR, EC 1.6.6.1) and nitrite reductase (NiR, EC 1.7.7.1) activities, suggesting a possible association with NO production. Inhibition studies confirmed the involvement of NR in NO production during the RWA resistance response. 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Westhuizen</creatorcontrib><collection>AGRIS</collection><collection>Springer Nature OA Free Journals</collection><collection>CrossRef</collection><jtitle>Cereal research communications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Moloi, M.J</au><au>A.J. Westhuizen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Involvement of Nitric Oxide in the Russian Wheat Aphid Resistance Response of Wheat</atitle><jtitle>Cereal research communications</jtitle><stitle>CEREAL RESEARCH COMMUNICATIONS</stitle><date>2014-03-01</date><risdate>2014</risdate><volume>42</volume><issue>1</issue><spage>119</spage><epage>125</epage><pages>119-125</pages><issn>0133-3720</issn><eissn>1788-9170</eissn><abstract>The involvement of nitric oxide (NO) in the Russian wheat aphid (RWA), Diuraphis noxia (Kurdjumov), resistance response of wheat (Triticum aestivum L.) was investigated. Resistant (cv. Tugela DN) and near isogenic susceptible (cv. Tugela) wheat plants grown under green-house conditions were used. Russian wheat aphid infestation induced an early accumulation of NO to a higher level in the resistant than susceptible plants. Nitric oxide accumulation corresponded with increased nitrate reductase (NR, EC 1.6.6.1) and nitrite reductase (NiR, EC 1.7.7.1) activities, suggesting a possible association with NO production. Inhibition studies confirmed the involvement of NR in NO production during the RWA resistance response. The use of a NO donor or NR inhibitor revealed that NO could act as another early signal for induction of the secondary defence enzymes, intercellular β-1,3-glucanase and peroxidase.</abstract><cop>Cham</cop><pub>Akadémiai KiadÃ</pub><doi>10.1556/CRC.2013.0044</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record>
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subjects Agriculture
Analysis
Aphididae
Corn
Diseases and pests
Diuraphis noxia
Enzymes
Life Sciences
nitrate reductase
Nitrates
Nitric oxide
nitrite reductase
Nitrites
Oxides
Pathology
peroxidase
Plant biochemistry
Plant Breeding/Biotechnology
Plant Genetics and Genomics
Plant Physiology
Proteins
Reactive oxygen species
Sodium
Triticum aestivum
Vascular plants
Wheat
β-1,3-glucanase
title Involvement of Nitric Oxide in the Russian Wheat Aphid Resistance Response of Wheat
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