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受黑腹秆蝇侵害的高粱中氧化酶的变化

Oxidative enzyme changes in sorghum infested by shoot fly.

作者信息

Padmaja P G, Shwetha B L, Swetha G, Patil J V

机构信息

Directorate of Sorghum Research, Rajendranagar, Hyderabad 500 030, India

Directorate of Sorghum Research, Rajendranagar, Hyderabad 500 030, India.

出版信息

J Insect Sci. 2014 Jan 1;14:193. doi: 10.1093/jisesa/ieu055. Print 2014.

DOI:10.1093/jisesa/ieu055
PMID:25480976
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5634055/
Abstract

This research investigated the role of oxidative enzymes in the defense response of sorghum, Sorghum bicolor (L.) Moench (Poales: Poaceae), to the sorghum shoot fly, Atherigona soccata Rondani (Diptera: Muscidae). Changes in polyphenol oxidase and peroxidase activity and total protein content were observed in resistant and susceptible sorghum genotypes in response to A. soccata feeding. Resistant plants exhibited higher levels of peroxidase and polyphenol oxidase activities and total protein content compared with susceptible plants. Peroxidase and polyphenol oxidase activities and total protein content in the infested resistant and susceptible genotypes were higher when compared with their control plants, respectively. These findings suggest that resistant genotypes may be able to tolerate shoot fly feeding by increasing their peroxidase and polyphenol oxidase activities. Among the enzymes examined, differences in isozyme profiles for peroxidase and polyphenol oxidase were detected between control and infested IS 18551, M35-1, 296B, SSV 84, and DJ 6514 plants. Differences in protein profiles were observed between A. soccata infested and their respective uninfested controls of all the genotypes. In conclusion, this study revealed that these defense enzymes and proteins might attribute to the resistance mechanisms in sorghum plants against A. soccata infestation.

摘要

本研究调查了氧化酶在高粱[Sorghum bicolor (L.) Moench,禾本目:禾本科]对高粱芒蝇[Atherigona soccata Rondani,双翅目:蝇科]防御反应中的作用。观察了抗性和感病高粱基因型在芒蝇取食后多酚氧化酶和过氧化物酶活性以及总蛋白含量的变化。与感病植株相比,抗性植株表现出更高水平的过氧化物酶和多酚氧化酶活性以及总蛋白含量。与各自的对照植株相比,受侵染的抗性和感病基因型中的过氧化物酶和多酚氧化酶活性以及总蛋白含量分别更高。这些发现表明,抗性基因型可能通过增加过氧化物酶和多酚氧化酶活性来耐受芒蝇的取食。在所检测的酶中,在对照植株与受侵染的IS 18551、M35 - 1、296B、SSV 84和DJ 6514植株之间检测到过氧化物酶和多酚氧化酶同工酶谱的差异。在所有基因型的芒蝇侵染植株与其各自未侵染的对照之间观察到蛋白质谱的差异。总之,本研究表明,这些防御酶和蛋白质可能是高粱植株抵抗芒蝇侵染的抗性机制的一部分。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/510b/5634055/7cad4e7bcd17/ieu055f4p.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/510b/5634055/0e83cf149f82/ieu055f1p.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/510b/5634055/07fb45e49a5e/ieu055f2p.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/510b/5634055/5fe0c8ef8e5d/ieu055f3p.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/510b/5634055/7cad4e7bcd17/ieu055f4p.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/510b/5634055/0e83cf149f82/ieu055f1p.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/510b/5634055/07fb45e49a5e/ieu055f2p.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/510b/5634055/5fe0c8ef8e5d/ieu055f3p.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/510b/5634055/7cad4e7bcd17/ieu055f4p.jpg

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