Claudia Esmeralda Hernández-Pacheco , Norma Almaraz-Abarca , Marlon Rojas-López , Rene Torres-Ricario , José Antonio Ávila-Reyes , Laura Silvia González-Valdez , Eli Amanda Delgado-Alvarado , Oswaldo Moreno-Anguiano , José Natividad Uribe-Soto
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引用次数: 1
Abstract
Background
Diverse plants respond differently to similar saline conditions. The aim of the current study was to determine the variation in the foliar contents of phenolic compounds, carotenoids, and proline, and the variation of the activities of catalase (CAT) and superoxide dismutase (SOD) of the edible and medicinal Physalis ixocarpa throughout three different times of exposure (24, 42, and 57 d) to three salinity levels (0, 90, and 120 mM NaCl). The specific effects of salt concentration and time of exposure were also assessed.
Results
Proline increase was the only clearly salt-related response, evidencing its significant protective role in salinized P. ixocarpa under either short, medium, or chronic exposure. One phenolic acid, which increased up to 26.26 times its concentration (compared to control, under high salinity at the longest treatment) out of the eight compounds forming the phenolic profile of the species, and CAT and SOD, under 90 and 120 mM NaCl, respectively, and short and medium exposure, also made important contributions. Salt concentration mainly affected total phenolics, tannins, phenolic acids (PA), proline, and SOD, whereas exposure time mainly affected flavonoids, carotenoids, and CAT.
Conclusions
The participation of the different protection mechanisms of P. ixocarpa against salinity is dynamic and complementary, and it is differentially modulated by the salt concentration and the time of exposure. Proline is the main mechanism for the species. The accurate chronic registration of the responses is needed to determine its adaptation potential to salt stress. The results have agronomic and food quality implications.
How to cite: Hernández-Pacheco CE, Almaraz-Abarca N, Marlon Rojas-López M, et al. Salinity generates varying chemical and biochemical responses in Physalis ixocarpa (Solanaceae) during different times of exposure. Electron J Biotechnol 2022;59. https://doi.org/10.1016/j.ejbt.2022.06.002
不同的植物对相似的盐水条件有不同的反应。本研究的目的是测定食用和药用硬浆叶面酚类化合物、类胡萝卜素和脯氨酸含量的变化,以及过氧化氢酶(CAT)和超氧化物歧化酶(SOD)活性在3个不同时间(24、42和57 d)在3个盐度水平(0、90和120 mM NaCl)下的变化。还评估了盐浓度和暴露时间的具体影响。结果脯氨酸的增加是唯一明显与盐相关的反应,证明了脯氨酸在短、中、慢性盐渍化下都具有显著的保护作用。形成该物种酚谱的8种化合物中,有一种酚酸(在长时间高盐度处理下,与对照相比)的浓度增加了26.26倍,CAT和SOD分别在90和120 mM NaCl和短、中暴露条件下也有重要贡献。盐浓度主要影响总酚类、单宁、酚酸、脯氨酸和SOD,而暴露时间主要影响黄酮类、类胡萝卜素和CAT。结论不同的盐胁迫保护机制的参与是动态的、互补的,受盐浓度和暴露时间的差异调节。脯氨酸是该物种的主要机制。为了确定其对盐胁迫的适应潜力,需要对其反应进行准确的慢性记录。研究结果对农艺和食品质量具有启示意义。引用方式:Hernández-Pacheco CE, Almaraz-Abarca N, Marlon Rojas-López M,等。盐度在不同时间的盐胁迫下,会产生不同的化学和生化反应。中国生物医学工程学报(英文版);2011;https://doi.org/10.1016/j.ejbt.2022.06.002
期刊介绍:
Electronic Journal of Biotechnology is an international scientific electronic journal, which publishes papers from all areas related to Biotechnology. It covers from molecular biology and the chemistry of biological processes to aquatic and earth environmental aspects, computational applications, policy and ethical issues directly related to Biotechnology.
The journal provides an effective way to publish research and review articles and short communications, video material, animation sequences and 3D are also accepted to support and enhance articles. The articles will be examined by a scientific committee and anonymous evaluators and published every two months in HTML and PDF formats (January 15th , March 15th, May 15th, July 15th, September 15th, November 15th).
The following areas are covered in the Journal:
• Animal Biotechnology
• Biofilms
• Bioinformatics
• Biomedicine
• Biopolicies of International Cooperation
• Biosafety
• Biotechnology Industry
• Biotechnology of Human Disorders
• Chemical Engineering
• Environmental Biotechnology
• Food Biotechnology
• Marine Biotechnology
• Microbial Biotechnology
• Molecular Biology and Genetics
•Nanobiotechnology
• Omics
• Plant Biotechnology
• Process Biotechnology
• Process Chemistry and Technology
• Tissue Engineering