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硝普钠（SNP）在不同康乃馨品种长瓶插寿命中所起作用的特性研究

Characterization of the role of sodium nitroprusside (SNP) involved in long vase life of different carnation cultivars.

作者信息

Naing Aung Htay, Lee Kyoungsun, Arun Muthukrishnan, Lim Ki Byung, Kim Chang Kil

机构信息

Department of Horticultural Science, Kyungpook National University, Daegu, 4165122, South Korea.

Department of Biotechnology and Genetic Engineering, School of Biotechnology, Bharathidasan University, Tiruchirappalli, Tamil Nadu, 620024, India.

出版信息

BMC Plant Biol. 2017 Sep 6;17(1):149. doi: 10.1186/s12870-017-1097-0.

DOI:10.1186/s12870-017-1097-0
PMID:28874121
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5586022/
Abstract

BACKGROUND

Sodium nitroprusside (SNP) has been previously shown to extend the vase life of various cut flowers; however, its positive effect on extending vase life of carnations has not been well documented. Moreover, the role of SNP in the mechanisms underlying determination of vase life of cut carnations has also not been well addressed.

RESULTS

SNP increased vase life of Tico Viola carnations along with their relative fresh weight (RFW). Among the treatments, the flowers treated with 10 mg L SNP had the longest vase life and maximum relative fresh weight (RFW). This was achieved through significant suppression of ethylene production via downregulation of ethylene biosynthesis and petal senescence-related genes, and through an increase in the scavenging mechanism of reactive oxygen species (ROS) by antioxidant activity during flower vase life. In addition, the positive efficacy of SNP could also be confirmed using 1-aminocyclopropane-1-carboxylic acid (ACC) and different cultivars, resulting in similar trends for both experiments.

CONCLUSION

Taken together, these results suggest that SNP plays a crucial role in multiple modes of action that are associated with the longevity of cut carnation flowers.

摘要

背景

先前已表明硝普钠（SNP）可延长多种切花的瓶插寿命；然而，其对延长康乃馨瓶插寿命的积极作用尚未得到充分记录。此外，SNP在切花康乃馨瓶插寿命决定机制中的作用也未得到很好的阐述。

结果

SNP延长了蒂科中提琴康乃馨的瓶插寿命及其相对鲜重（RFW）。在各处理中，用10毫克/升SNP处理的花朵瓶插寿命最长，相对鲜重最大。这是通过下调乙烯生物合成和花瓣衰老相关基因来显著抑制乙烯产生，并通过花瓶期内抗氧化活性增加活性氧（ROS）清除机制来实现的。此外，使用1-氨基环丙烷-1-羧酸（ACC）和不同品种也能证实SNP的积极效果，两个实验结果趋势相似。

结论

综上所述，这些结果表明SNP在与切花康乃馨寿命相关的多种作用模式中起着关键作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/ed9b8f4fda50/12870_2017_1097_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/db81f93692bd/12870_2017_1097_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/d6b5764ca4fd/12870_2017_1097_Fig2_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/8b04b807d2fe/12870_2017_1097_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/9ca4b787a827/12870_2017_1097_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/3e93fd46d927/12870_2017_1097_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/81a500914d34/12870_2017_1097_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/3103f79c6d17/12870_2017_1097_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/67f2e91355a8/12870_2017_1097_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/ed9b8f4fda50/12870_2017_1097_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/db81f93692bd/12870_2017_1097_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/d6b5764ca4fd/12870_2017_1097_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/126797537ca5/12870_2017_1097_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/8b04b807d2fe/12870_2017_1097_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/9ca4b787a827/12870_2017_1097_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/3e93fd46d927/12870_2017_1097_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/81a500914d34/12870_2017_1097_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/3103f79c6d17/12870_2017_1097_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/67f2e91355a8/12870_2017_1097_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bcab/5586022/ed9b8f4fda50/12870_2017_1097_Fig10_HTML.jpg

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