Effects of N<sup>+</sup> ion implantation on antioxidase activities and β-carotene production in <italic style="font-style: italic">Blakeslea trispora</italic>

ZHANG Ning; YU Long

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Effects of N⁺ ion implantation on antioxidase activities and β-carotene production in Blakeslea trispora

更新时间：2023-03-30

- Effects of N⁺ ion implantation on antioxidase activities and β-carotene production in Blakeslea trispora
- Journal of Radiation Research and Radiation Processing Vol. 26, Issue 2, Pages: 89-92(2008)
- 作者机构：
  
  1.南京工业大学制药与生命科学学院　南京　210009
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ZHANG Ning, YU Long. Effects of N⁺ ion implantation on antioxidase activities and β-carotene production in Blakeslea trispora. [J]. Journal of Radiation Research and Radiation Processing 26(2):89-92(2008)
DOI：

ZHANG Ning, YU Long. Effects of N⁺ ion implantation on antioxidase activities and β-carotene production in Blakeslea trispora. [J]. Journal of Radiation Research and Radiation Processing 26(2):89-92(2008) DOI：

摘要

本文研究了N,+,离子注入对三孢布拉氏霉菌（,Blakeslea trispora, (−)）细胞内过氧化氢酶（Catalase, CAT）、过氧化物酶（Peroxidase, POD）、超氧化物歧化酶（Superoxide dismutase, SOD）活力的影响，以及对菌体清除超氧阴离子自由基O,2,–•,、羟基自由基·OH能力和菌体总抗氧化能力（Total Antioxidative capacity, T-AOC）的影响。结果表明，,B.trispora, (−) 经N,+,离子注入后CAT酶的活性均低于对照水平，POD和SOD酶的活性以及清除O,2,–•,和·OH的能力随着注入剂量的增加呈现先减后增的变化趋势，而菌体总抗氧化能力在N,+,注量为6.0×10,15, cm,-2,处降到最低，随后逐渐增加，在N,+,注量为1.2×10,16, cm,-2,处增至最大后逐渐下降。由此推测，离子注入,B.trispora,(−)所诱导的总抗氧化能力的变化是导致,B.trispora, (−)注量-存活率曲线呈现“马鞍型”变化趋势的原因之一。

Abstract

Blakeslea trispora,(−) was used as experimental model, and the effects of N,+, ions implantation on the activities of their catalase (CAT), peroxidase (POD), total antioxidase (T-AOC), superoxide dismutase (SOD) and the function of scavenging free-radicals (O,2,–•, and ·OH ) were investigated. The results show that CAT activities are lower than that of control groups. With the increasing of N,+, ion implantation POD, SOD activities and the function of scavenging O,2,–•, and ·OH decrease at the beginning, and increase lately. At the dose of 6.0×10,15, cm,-2, T-AOC activity is the lowest and at the dose of 1.2×10,15, cm,-2, its activity becomes the highest. It can be considered that the changes of T-AOC, POD, SOD CAT activities and cell scavenging O,2,–•, and ·OH activities have some relationship with the "saddle shape" survival rate curve in the ion implantation breeding.

关键词

三孢布拉氏霉菌氮离子注入抗氧化酶βb-胡萝卜素

Keywords

Blakeslea trisporaN+ ion implantationAntioxidaseβ-carotene

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School of Nuclear Technology and Chemistry and Biology, Hubei University of Science and Technology

Hubei Engineering Research Center for Fragrant Plants, Hubei University of Science and Technology

Key laboratory of ion beam bioengineering, Institute of plasma physics, the Chinese academy of sciences

Shanghai Institute of Plant Physiology, Chinese Academy of Sciences

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Effects of N+ ion implantation on antioxidase activities and β-carotene production in Blakeslea trispora

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Abstract

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Effects of N⁺ ion implantation on antioxidase activities and β-carotene production in Blakeslea trispora